Electric toaster control

Claim 2

An electric oven toaster construction having front and side walls comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a toast timer spaced from said oven thermostat and including an actuator for permitting or preventing operation of said timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said timer to control a toasting cycle; and e. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said timer, said primary manual setting mechanism having an off position for retaining said oven thermostat and said toast timer actuator in their off positions; said primary setting mechanism being movable in one direction from its off position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven toaster as an oven; said primary manual setting mechanism being movable in another direction from said off position for preventing said oven thermostat from controlling energization of said heating means and permitting said toast timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 3

An electric oven toaster construction as defined in claim 1 wherein said toast timer includes a toast time setting member spaced from the primary manual setting mechanism so that said priMary manual setting mechanism may be moved to any of its plurality of positions without changing the position of the toast time setting member.

Claim 4

An electric oven toaster construction as defined in claim 1 wherein said primary manual setting mechanism includes: a. a primary manual setting lever pivotally mounted on said oven toaster; and b. a spring loaded plunger for moving said lever to its off position for retaining said oven thermostat and said toast timer in their off positions.

Claim 5

An electric oven toaster construction as defined in claim 1 wherein said primary manual setting mechanism includes: a. a primary manual setting lever pivotally mounted on said oven toaster; b. a cam rotatably mounted on said oven toaster adjacent to said pivoted lever; c. means on said pivoted lever and said rotatable cam for causing corresponding rotatable movement of said cam as said lever is moved from one position to another position; d. a radially inwardly extending off notch formed on said cam member; and e. a detent lug resiliently urged into contact with said cam member for resiliently holding said lever and said cam member in an off position the detent in the off notch formed on said cam member.

Claim 6

An electric oven toaster construction as defined in claim 4 wherein a raised cam surface is formed on one side of said off notch for controlling operation of said electric heating means when said lever is moved in one direction from its off position for operating the oven toaster as an oven, and a raised cam surface is formed on the other side of said notch for controlling said electric heating means when said oven toaster is operated as an oven.

Claim 7

An electric oven toaster construction as defined in claim 4 wherein said primary manual setting mechanism further includes: a. a main switch having an on and an off position for controlling energization of said heating means; b. an intermediate lever pivotally mounted on said oven toaster for moving said switch to its on or off positions, said detent lug being mounted in said intermediate lever; and c. spring means connected to said intermediate lever for resiliently urging said intermediate lever toward said rotatable cam to maintain said detent lug in continuous contact with said rotatable cam.

Claim 8

An electric oven toaster construction as defined in claim 6 wherein said primary manual setting mechanism further includes: a. a switch actuating lever having a central portion and two outwardly extending portions, the central portion of said actuation lever being pivoted to said intermediate lever, one of said outwardly extending portions being connected to a switch actuating member and the other outwardly extending arm being positioned for engagement with a lug to permit movement of the switch to its on position only when the lug is in engagement with said other arm of said lever.

Claim 9

An electric oven toaster construction as defined in claim 7 wherein said oven toaster construction further includes: a. a door pivotally mounted on the oven toaster for opening and closing the cooking and toasting chamber; b. a carriage for holding food positioned within said cooking and toasting chamber and connected to said door so that it is moved partially out of the cooking and toasting chamber when the door is opened; and c. a carriage link connected to said food carriage and moved forwardly and rearwardly adjacent to said primary manual setting mechanism as the door is opened and closed, said detent lug being mounted on said carriage link and positioned adjacent to said switch actuating lever for holding one of the arms of said switch actuating lever when the door is in its closed position to thereby permit the primary manual setting mechanism to close the main switch, said lug being moved forwardly away from said switch actuating lever when the door is opened to thereby prevent said switch actuating lever from being pivoted by said primary manual setting lever to close the main switch.

Claim 10

An electric oven toaster construction as defined in claim 4 wherein said primary manual setting mechanism further includes: a. a latch lever pivotally mounted on said oven toaster for holding said primary manual setting lever downwardly in its toast position to hold the main switch closed, and also for holding the actuator of said timer for permitting operation of the timer for controlling the heating means when the oven toaster is being used as a toaster.

Claim 11

An electric oven toaster construction as defined in claim 9 wherein said primary manual setting means further includes: a. a solenoid operated latch lever for holding said primary manual setting latch lever in the toast position until the solenoid is operated by said timer to trip the solenoid latch lever and the primary manual setting latch lever to open the main switch.

Claim 12

An electric oven toaster construction as defined in claim 3 wherein said oven toaster construction further comprises: a. a side plate; b. a bracket fixed to said side plate; c. a primary manual setting mechanism mounting plate arranged generally parallel to said side plate and fixed to said bracket; d. a generally horizontal slot formed in said mounting plate and a generally vertical arcuate slot formed in said mounting plate; e. said primary manual setting lever being pivotally mounted in said generally horizontal slot; and f. a sleeve roller connected to said pivotally mounted lever and extending through said generally vertical slot for slidably guiding said lever as it is moved upwardly and downwardly in said generally vertical arcuate slot.

Claim 13

An electric oven toaster construction having two generally vertical side walls, a generally horizontal top wall and a front opening comprising: a. a door pivotally mounted to the lower portion of each of the side walls for selectively opening or closing the front opening of the oven toaster; b. a carriage operably connected to said door and mounted for forward and rearward movement as the door is opened and closed; c. a cooking and toasting chamber; d. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; e. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; f. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and g. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions; said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 14

An electric oven toaster construction having two generally vertical side walls, a generally horizontal top wall and a front opening comprising: a. a door pivotally mounted to the lower portion of each of the side walls for selectively opening or closing the front opening of the oven toaster; b. a carriage operably connected to said door and mounted for forward and rearward movement as the door is opened and closed; c. a cooking and toasting chamber; d. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; e. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; f. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and g. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions; said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 15

An electric oven toaster construcTion comprising: a. two side plates spaced from each other, one of said side plates including a lower outwardly extending portion for forming a bottom wall of a control chamber; b. a cooking and toasting chamber located between said side plates; c. two outside walls connected to each of said side plates, one of said outside walls being connected to said bottom wall for closing said control chamber; d. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; e. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; f. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and g. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions, said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 16

An electric oven toaster construcTion comprising: a. two side plates spaced from each other, one of said side plates including a lower outwardly extending portion for forming a bottom wall of a control chamber; b. a cooking and toasting chamber located between said side plates; c. two outside walls connected to each of said side plates, one of said outside walls being connected to said bottom wall for closing said control chamber; d. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; e. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; f. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and g. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions, said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 17

An electric oven toaster construction as defined in claim 13 wherein said heat-up cool-down bimetal toaster timer is connected to the bottom wall of said control chamber by a tab which is integrally formed with said bottom wall.

Claim 18

An electric oven toaster construction having front and side walls comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a toast timer including a toaster timer control actuator having an off position and an on position mounted on said oven toaster for controlling said heating means when said oven toaster is being used as a toaster; and e. a primary manual setting mechanism including a push button lever mounted at the side of said oven toaster and extending through the front wall of said oven toaster, said push button lever being mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said toaster timer control actuator; said primary manual setting mechanism having an off position for retaining said oven thermostat and said toaster timer control actuator in their off positions; said push button lever being movable upwardly from its off position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat, and to prevent the toaster timer control actuator from controlling energization of the heating means to thereby allow the oveN thermostat to control energization of the heating means for operating the oven; said push button being movable downwardly from said off position for preventing said oven thermostat from controlling energization of said heating means and permitting said toast timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 19

An electric oven toaster construction having front and side walls comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a toast timer including a toaster timer control actuator having an off position and an on position mounted on said oven toaster for controlling said heating means when said oven toaster is being used as a toaster; and e. a primary manual setting mechanism including a push button lever mounted at the side of said oven toaster and extending through the front wall of said oven toaster, said push button lever being mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said toaster timer control actuator; said primary manual setting mechanism having an off position for retaining said oven thermostat and said toaster timer control actuator in their off positions; said push button lever being movable upwardly from its off position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat, and to prevent the toaster timer control actuator from controlling energization of the heating means to thereby allow the oveN thermostat to control energization of the heating means for operating the oven; said push button being movable downwardly from said off position for preventing said oven thermostat from controlling energization of said heating means and permitting said toast timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 20

An electric oven toaster construction having a side plate comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an aperture formed in said side plate; d. an oven thermostat connected to said side plate in the vicinity of said aperture, said oven thermostat including a bimetal temperature sensing blade positioned over said aperture for sensing the temperature within said cooking chamber; e. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and f. a primary manual setting mechanism including a push button lever mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster and said heat-up cool-down bimetal timer in their off positions; said primary setting mechanism being movable in one direction from its off position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 21

An electric oven toaster construction having a side plate comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an aperture formed in said side plate; d. an oven thermostat connected to said side plate in the vicinity of said aperture, said oven thermostat including a bimetal temperature sensing blade positioned over said aperture for sensing the temperature within said cooking chamber; e. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; and f. a primary manual setting mechanism including a push button lever mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster and said heat-up cool-down bimetal timer in their off positions; said primary setting mechanism being movable in one direction from its off position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle.

Claim 22

An electric oven toaster construction as defined in claim 12 wherein said oven toaster further comprises: a. a primary manual setting lever for moving said primary manual setting mechanism to permit the heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle; b. a latch for holding said primary setting lever in its toast position; c. a solenoid and a solenoid lever arranged to release said latch upon energization of said solenoid to move the primary manual setting lever to its off position; and d. said heat-up cool-down bimetal timer including a pair of switch contacts connected to said solenoid and arranged to supply current to said solenoid, said switch contacts being closed by said heat-up cool-down bimetal timer at the end of a cool-down cycle of said bimetal timer to energize said solenoid at the end of said cool-down cycle to thereby trip the latch and move the primary manual setting lever to the off position to open the main switch.

Claim 23

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. an aperture provided in one of the walls of said oven chamber; d. an oven thermostat positioned outside of said oven chamber in the vicinity of said aperture, said thermostat including a control lever having an off position and a plurality of temperature setting positions for controlling energization of said heating means when said oven toaster is being used as an oven; and e. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat, said primary manual setting mechanism including a push button lever positioned below said thermostat pivotally mounted at the side of said oven toaster and extending forwardly for operation at the front of said oven toaster, the control lever of said thermostat being operatively connected to said push button lever so that said push button lever may be operated from the front of said oven toaster for controlling the temperature setting of said thermostat.

Claim 24

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. an aperture provided in one of the walls of said oven chamber; d. an oven thermostat positioned outside of said oven chamber in the vicinity of said aperture, said thermostat including a control lever having an off position and a plurality of temperature setting positions for controlling energization of said heating means when said oven toaster is being used as an oven; and e. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat, said primary manual setting mechanism including a push button lever positioned below said thermostat pivotally mounted at the side of said oven toaster and extending forwardly for operation at the front of said oven toaster, the control lever of said thermostat being operatively connected to said push button lever so that said push button lever may be operated from the front of said oven toaster for controlling the temperature setting of said thermostat.

Claim 25

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes, said heating means including a sheathed electric resistance wire heater; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having a generally circular aperture formed therein for receiving an end portion of said sheathed electric resistance wire heater; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture for said sheathed electric resistance wire heater; e. an enlarged aperture formed in said sheet metal side plate in the vicinity of said circular aperture; and f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said enlarged opening in order to sense the temperature within said oven.

Claim 26

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes, said heating means including a sheathed electric resistance wire heater; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having a generally circular aperture formed therein for receiving an end portion of said sheathed electric resistance wire heater; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture for said sheathed electric resistance wire heater; e. an enlarged aperture formed in said sheet metal side plate in the vicinity of said circular aperture; and f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said enlarged opening in order to sense the temperature within said oven.

Claim 27

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture, said bracket including a flexible portion; e. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said opening in order to sense the temperature within said oven; f. two switch blades separated by ceramic insulators, said ceramic insulators being fixed to the flexible portion of said bracket; g. a rotatable thermostat cam pivotally mounted on the flexible portion of said bracket; and h. manually adjustable means for adjusting the relative positions of said cam for moving said switch blades closer to or further away from said bimetal in order to set the desired temperature within said cooking chamber.

Claim 28

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture, said bracket including a flexible portion; e. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said opening in order to sense the temperature within said oven; f. two switch blades separated by ceramic insulators, said ceramic insulators being fixed to the flexible portion of said bracket; g. a rotatable thermostat cam pivotally mounted on the flexible portion of said bracket; and h. manually adjustable means for adjusting the relative positions of said cam for moving said switch blades closer to or further away from said bimetal in order to set the desired temperature within said cooking chamber.

Claim 29

An oven toaster construction as defined in claim 20 wherein said control mechanism further includes: a. a primary manually setting lever pivotally mounted adjacent to the side plate of said oven toaster below and behind said bimetal, said lever extending forwardly in front of said toasting chamber; b. a push button connected to said lever for manually moving said lever about said pivotal mounting; and c. a link lever having tow ends, one of the ends of said link lever being pivoted to said thermostat cam and the other end of said link lever being pivoted to a central portion of said primary manual setting lever whereby upward movement of said push button causes upward movement of said primary manual setting lever and said link lever to rotate said cam to thereby adjust the relative position of said switch blades with respect to said bimetal.

Claim 30

An electric oven thermostat construction as defined in claim 20 wherein an adjusting screw is connected to said bracket, said adjusting screw extending outwardly from said bracket toward said cam and the end of said adjusting screw being in engagement with a surface of said cam for cooperatinG with said cam to move the switch blades toward or away from said bimetal.

Claim 31

An electric oven toaster thermostat construction as defined in claim 21 wherein said cam surface includes a rather pronounced depression, a gently curved portion which extends from one side of said depression and a steep cam surface which extends upwardly from the other side of said depression so that when said adjusting screw is on said steep cam surface the switch blades are moved so far away from the bimetal that the bimetal cannot actuate the switch blades; when said adjusting screw is in the depression of said cam surface, said switch blades are moved to their closest position respect to the bimetal and the oven is in its lowest temperature setting, and when the adjusting screw is on the gently curved cam surface the oven toaster is in one of the higher temperature settings.

Claim 32

An electric oven toaster comprising: a. an oven and toasting chamber having a plurality of walls; b. electric heating means positioned in said chamber for supplying heat to said chamber for cooking and toasting purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a toast timer spaced from said oven thermostat and including an actuator for permitting or preventing operation of said timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said timer to control a toasting cycle; e. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture, said bracket including a flexible portion; f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said aperture in order to sense the temperature within said oven; g. two switch blades separated by ceramic insulators, said ceramic insulators being fixed to the flexible portion of said bracket; h. a rotatable thermostat control cam pivotally mounted on the flexible portion of said bracket; i. manually adjustable means for adjusting the relative position of said cam for moving said switch blades closer to or further away from said bimetal in order to set the desired temperature within said coking chamber; j. an adjusting screw connected to said bracket, said adjusting screw extending outwardly from said bracket toward said thermostat control cam and the end of said adjusting screw being in engagement with a surface of said cam for cooperating with said cam to move the switch blades toward or away from said bimetal; and k. said cam surface including a rather pronounced depression, a gently curved portion which extends from one side of said depression and a steep cam surface which extends upwardly from the other side of said depression so that when said adjusting screw is on said steep cam surface the switch blades are moved so far away from the bimetal that the bimetal cannot actuate the switch blades and the oven toaster is in its toast position, when said adjusting screw is in the depression of said cam surface, said switch blades are moved to their closest position respect to the bimetal and the oven is in its lowest temperature setting, and when the adjusting screw is on the gently curved cam surface the oven toaster is in one of the higher temperature settings.

Claim 33

An electric oven toaster comprising: a. an oven and toasting chamber having a plurality of walls; b. electric heating means positioned in said chamber for supplying heat to said chamber for cooking and toasting purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a toast timer spaced from said oven thermostat and including an actuator for permitting or preventing operation of said timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said timer to control a toasting cycle; e. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture, said bracket including a flexible portion; f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said aperture in order to sense the temperature within said oven; g. two switch blades separated by ceramic insulators, said ceramic insulators being fixed to the flexible portion of said bracket; h. a rotatable thermostat control cam pivotally mounted on the flexible portion of said bracket; i. manually adjustable means for adjusting the relative position of said cam for moving said switch blades closer to or further away from said bimetal in order to set the desired temperature within said coking chamber; j. an adjusting screw connected to said bracket, said adjusting screw extending outwardly from said bracket toward said thermostat control cam and the end of said adjusting screw being in engagement with a surface of said cam for cooperating with said cam to move the switch blades toward or away from said bimetal; and k. said cam surface including a rather pronounced depression, a gently curved portion which extends from one side of said depression and a steep cam surface which extends upwardly from the other side of said depression so that when said adjusting screw is on said steep cam surface the switch blades are moved so far away from the bimetal that the bimetal cannot actuate the switch blades and the oven toaster is in its toast position, when said adjusting screw is in the depression of said cam surface, said switch blades are moved to their closest position respect to the bimetal and the oven is in its lowest temperature setting, and when the adjusting screw is on the gently curved cam surface the oven toaster is in one of the higher temperature settings.

Claim 34

An electric oven toaster comprising: a. an oven chamber; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a thermostat including a bimetal for sensing the temperature within said oven chamber for controlling energization of said heating means; d. a heat pipe connected to said bimetal; and e. an electric resistance wire positioned around said heat pipe for conducting electric current to said resistance wire To heat said heat pipe and said bimetal to anticipate an increase in temperature within said oven.

Claim 35

An electric oven toaster comprising: a. an oven chamber; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a thermostat including a bimetal for sensing the temperature within said oven chamber for controlling energization of said heating means; d. a heat pipe connected to said bimetal; and e. an electric resistance wire positioned around said heat pipe for conducting electric current to said resistance wire To heat said heat pipe and said bimetal to anticipate an increase in temperature within said oven.

Claim 36

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a thermostat including a bimetal positioned adjacent to said aperture for sensing the temperature within said oven chamber for controlling energization of said heating means; e. a heat pipe connected to said bimetal; and f. an electric resistance wire positioned around said heat pipe for conducting electric current to said resistance wire to heat said heat pipe and said bimetal to anticipate an increase in temperature within said oven.

Claim 37

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having an aperture formed therein; d. a thermostat including a bimetal positioned adjacent to said aperture for sensing the temperature within said oven chamber for controlling energization of said heating means; e. a heat pipe connected to said bimetal; and f. an electric resistance wire positioned around said heat pipe for conducting electric current to said resistance wire to heat said heat pipe and said bimetal to anticipate an increase in temperature within said oven.

Claim 38

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes, said heating means including a sheathed electric resistance wire heater; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having a generally circular aperture formed therein for receiving an end portion of said sheathed electric resistance wire heater; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture for said sheathed electric resistance wire heater; e. an enlarged aperture formed in said sheet metal side plate in the vicinity of said circular aperture; f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said enlarged opening in order to sense the temperature within said oven; g. a heat pipe including a piece of aluminum for conducting heat to said bimetal; and h. means for connecting said bimetal and said aluminum heat pipe to said arm of said bracket.

Claim 39

An electric oven toaster comprising: a. an oven chamber having a plurality of walls; b. electric heating means positioned in said oven chamber for supplying heat to said chamber for cooking purposes, said heating means including a sheathed electric resistance wire heater; c. a sheet metal side plate forming one of the walls of said cooking and toasting chamber, said sheet metal side plate having a generally circular aperture formed therein for receiving an end portion of said sheathed electric resistance wire heater; d. a thermostat including a bracket secured to said sheet metal side plate in the vicinity of the aperture for said sheathed electric resistance wire heater; e. an enlarged aperture formed in said sheet metal side plate in the vicinity of said circular aperture; f. said thermostat including a bimetal having two ends, one of the ends of said bimetal being fixed to said bracket, said bimetal extending in front of said enlarged opening in order to sense the temperature within said oven; g. a heat pipe including a piece of aluminum for conducting heat to said bimetal; and h. means for connecting said bimetal and said aluminum heat pipe to said arm of said bracket.

Claim 40

An electric oven thermostat construction as defined in claim 27 wherein a sheet of insulating material is wrapped around said aluminum heat pipe, an electric resistance wire is wrapped around the insulating material and the electric resistance wire is connected to said sheathed electrical heater for conducting electric current to said resistance wire to heat said heat pipe and said bimetal to anticipate an increase in temperature within said oven.

Claim 41

An electric oven toaster construction comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a heat-up cool-down bimetal toaster timer including a resistance heater positioned around a bimetal for heating said bimetal; and e. a function switch including two switch contacts and a shunt resistor positioned in a circuit to said bimetal heater for supplying a limited amount of current to said bimetal heater for heating said bimetal when the oven thermostat is moved to one of its on oven positions.

Claim 42

An electric oven toaster construction comprising: a. a cooking and toasting chamber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a heat-up cool-down bimetal toaster timer including a resistance heater positioned around a bimetal for heating said bimetal; and e. a function switch including two switch contacts and a shunt resistor positioned in a circuit to said bimetal heater for supplying a limited amount of current to said bimetal heater for heating said bimetal when the oven thermostat is moved to one of its on oven positions.

Claim 43

An electric oven toaster construction as defined in claim 29 wherein said oven toaster further comprises: a. a primary manual setting mechanism including a lever pivoted to said oven toaster for moving said primary manual setting mechanism to an off position, a toast position, or an oven position; and b. said primary manual setting lever being movable to open said function switch when the primary manual setting mechanism is moved to its toast position.

Claim 44

An electric oven toaster construction comprising: a. a cooking and toasting chaMber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; e. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions; said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle; f. said heat-up cool-down bimetal timer including a resistance heater positioned around a bimetal for heating said bimetal; and g. a function switch and a shunt resistor positioned in a circuit to said bimetal heater for supplying a limited amount of current to said bimetal heater for heating said bimetal when the primary manual setting mechanism is moved to its oven position.

Claim 45

An electric oven toaster construction comprising: a. a cooking and toasting chaMber; b. electric heating means positioned in said oven toaster for supplying heat to said chamber for cooking and toasting purposes; c. an oven thermostat having an off position and a plurality of on positions mounted on said oven toaster for controlling energization of said heating means when said oven toaster is being used as an oven; d. a heat-up cool-down bimetal timer including an actuator for permitting or preventing operation of said heat-up cool-down bimetal timer for controlling said heating means when said oven toaster is being used as a toaster, said actuator being movable to an off position for preventing operation of said heat-up cool-down bimetal timer to control a toasting cycle; e. a primary manual setting mechanism mounted for movement to any one of a plurality of positions to control operation of said oven thermostat and said heat-up cool-down bimetal timer, said primary manual setting mechanism having an off position for retaining said oven toaster thermostat and said heat-up cool-down bimetal timer actuator in their off positions; said primary setting mechanism being movable in one direction from its off position to an oven position for moving said oven thermostat to any one of a plurality of positions for varying the temperature setting of said oven thermostat and to prevent the heat-up cool-down timer from controlling energization of the heating means to thereby allow the oven thermostat to control energization of the heating means for operating the oven; said primary manual setting mechanism being movable in another direction from said off position to a toast position for preventing said oven thermostat from controlling energization of said heating means and permitting said heat-up cool-down bimetal timer to stop the flow of electric current to said heating means at the end of a toasting cycle; f. said heat-up cool-down bimetal timer including a resistance heater positioned around a bimetal for heating said bimetal; and g. a function switch and a shunt resistor positioned in a circuit to said bimetal heater for supplying a limited amount of current to said bimetal heater for heating said bimetal when the primary manual setting mechanism is moved to its oven position.