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US3798697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor polisher
Assignee: Cooper Industries LLC
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Filing: 1972-05-19
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Granted: 1974-03-26
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Expires: 1992-05-19
Abstract
Abstract A floor polishing machine having a brush housing and a motor housing with wheels and a handle secured thereto, in which a bumper enshrouds the brush housing, a plastic tire is mounted on each wheel and projects outwardly therefrom and a bumper enshrouds the motor housing. Portions of the plastic tire are in horizontal alignment with both the brush housing bumper and the motor housing bumper. The motor housing seats in a well on the brush housing with the mating surfaces being inclined at approximately 40* to 50*. A generally annular tongue projects from the motor housing and engages a mating groove in the brush housing bumper to thereby trap a portion of the brush housing bumper between the two housings. Different sized motors can be mounted in the motor housing on different steps of a number of stepped motor mounting ribs projecting inwardly from the sides of the motor housing. The handle includes a pair of grips projecting from a switch housing with the top surfaces of the handle being generally continuous with the top surfaces of the switch housing and defining a generally arcuate surface against which an operator can push his body. There is a separate switch lever on each handle grip for controlling a separate switch within the handle grip for controlling a separate switch within the switch housing, each of which switches independently controls the motor. If desired, one of the switches can be wired to an accessory through a knockout wiring hole in the switch housing. Finally, the switch housing includes a nose projecting therefrom to protect the connection of the electrical cord to the machine.
Inventors
- 👤 D Lowder
- 👤 W Nise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:25
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4061; A47L11/4075; H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H2009/068
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
169 words
In a floor machine having a motor housing for a motor, a brush housing for a driven floor treating element such as a brush or the like and wheels, the improvement comprising: a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and the top of said brush housing; a tire for each of said wheels, said tire being of a resiliently compressible material and protruding beyond the outside edge of said wheel and beyond any protrusions therefrom; at least the lower portions of said tire lying in horizontal alignment with a portion of said brush housing bumper; a motor housing bumper enshrouding at least a portion of the sides of said motor housing and extending from a level horizontally aligned with at least the upper portions of said tire to generally the top of said motor housing, whereby when said floor machine contacts an object, the object hits either said brush housing bumper, one of said tires or said motor housing bumper.
Claim 2
Dependent Claim
169 words
In a floor machine having a motor housing for a motor, a brush housing for a driven floor treating element such as a brush or the like and wheels, the improvement comprising: a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and the top of said brush housing; a tire for each of said wheels, said tire being of a resiliently compressible material and protruding beyond the outside edge of said wheel and beyond any protrusions therefrom; at least the lower portions of said tire lying in horizontal alignment with a portion of said brush housing bumper; a motor housing bumper enshrouding at least a portion of the sides of said motor housing and extending from a level horizontally aligned with at least the upper portions of said tire to generally the top of said motor housing, whereby when said floor machine contacts an object, the object hits either said brush housing bumper, one of said tires or said motor housing bumper.
Claim 3
Dependent Claim
20 words
The machine of claim 1 in which said brush housing bumper enshrouds generally all exposed portions of said brush housing.
Claim 4
Dependent Claim
62 words
The floor machine of claim 2 in which said motor housing includes a rearwardly projecting chassis having a pair of said wheels secured thereto, one on either side thereof; said rear chassis including wheel wells therein in which said wheels are mounted; said tires projecting beyond the confines of said wheel wells to thereby act as a rear bumper for said chassis.
Claim 5
Dependent Claim
35 words
The floor machine of claim 1 in which portions of said brush housing bumper are captured between said brush housing and said motor housing to thereby aid in locking said brush housing bumper in place.
Claim 6
Dependent Claim
38 words
The floor machine of claim 4 in which said brush housing bumper includes a groove therein; said motor housing including a tongue projecting therefrom and matingly engaging said groove to thereby lock said brush housing bumper in place.
Claim 7
Dependent Claim
45 words
The floor machine of claim 5 in which said brush housing bumper includes a second groove therein, generally at the base thereof; said brush housing including a tongue projecting therefrom and engaging said second groove to thereby further lock said brush housing bumper in place.
Claim 8
Dependent Claim
97 words
In a floor machine having a motor housing for a motor and a brush housing for a motor-driven floor treating element such as a brush or the like, the improvement comprising: a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and top of said brush housing; said motor housing including a portion overlying said bumper, said overlying portion including a tongue projecting therefrom; said bumper including a grove receiving said tongue whereby said bumper is held in place at least partially by the interaction of said tongue and said groove.
Claim 9
Dependent Claim
97 words
In a floor machine having a motor housing for a motor and a brush housing for a motor-driven floor treating element such as a brush or the like, the improvement comprising: a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and top of said brush housing; said motor housing including a portion overlying said bumper, said overlying portion including a tongue projecting therefrom; said bumper including a grove receiving said tongue whereby said bumper is held in place at least partially by the interaction of said tongue and said groove.
Claim 10
Dependent Claim
51 words
The floor machine of claim 7 in which said brush housing comprises a generally annular ring and said motor housing comprises a generally dome-shaped member; said tongue projecting generally from the circumferential edge of said motor housing and being generally annular in configuration; said groove being similarly generally annular in configuration.
Claim 11
Dependent Claim
45 words
The floor machine of claim 8 in which said brush housing bumper includes a second annular groove therein positioned against said brush housing, generally at the bottom of said bumper; said brush housing including a tongue projecting therefrom into mating engagement with said second groove.
Claim 12
Dependent Claim
45 words
The floor machine of claim 7 in which said brush housing bumper includes a second annular groove therein positioned against said brush housing, generally at the bottom of said bumper; said brush housing including a tongue projecting therefrom into mating engagement with said second groove.
Claim 13
Dependent Claim
190 words
The floor machine of claim 7 comprising: said brush housing including a receiving well; said motor housing including insert means for mating insertion into said receiving well; said insert means and said receiving well including mating surfaces which are inclined at an angle with respect to the vertical and with respect to the horizontal whereby generally horizontal shock forces on said brush housing are transmitted to said motor housing at least in part through said mating surfaces; said brush housing including a generally annular ring extending outwardly from its juncture with said well, said ring surface deviating from said inclined surface of said insert means to thereby define a space between said ring surface and said insert means; said brush housing bumper extending into said space between said ring and said insert means, said tongue extending generally downwardly from the surface of said insert means into said space between said insert means and said ring and said groove being located in that portion of said bumper which lies in said space between said insert means and said ring whereby said brush housing bumper is lOcked in position in said space.
Claim 14
Dependent Claim
282 words
In a floor machine having a motor housing for a motor, a brush housing for a driven floor treating element such as a brush or the like and wheels, the improvement comprising: said brush housing including a receiving well; said motor housing including insert means for mating insertion into said receiving well; said insert means and said receiving well including mating surfaces which are inclined at an angle with respect to the vertical and with respect to the horizontal whereby generally horizontal shock forces on said brush housing are transmitted to said motor housing at least in part through said mating surfaces; a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and top of said brush housing; said motor housing including a portion overlying said bumper, said overlying portion including a tongue projecting therefrom; said bumper including a groove receiving said tongue whereby said bumper is held in place at least partially by the interaction of said tongue and said groove; a tire for each of said wheels, said tire being of a resiliently compressible material and protruding beyond the outside edge of said wheel and beyond any protrusions therefrom; at least the lower portions of said tire lying in horizontal alignment with a portion of said brush housing bumper; a motor housing bumper enshrouding at least a portion of the sides of said motor housing and extending from a level horizontally aligned with at least the upper portions of said tire to generally the top of said motor housing, whereby when said floor machine contacts an object, the object hits either said brush housing bumper, one of said tires or said motor housing bumper.
Claim 15
Dependent Claim
282 words
In a floor machine having a motor housing for a motor, a brush housing for a driven floor treating element such as a brush or the like and wheels, the improvement comprising: said brush housing including a receiving well; said motor housing including insert means for mating insertion into said receiving well; said insert means and said receiving well including mating surfaces which are inclined at an angle with respect to the vertical and with respect to the horizontal whereby generally horizontal shock forces on said brush housing are transmitted to said motor housing at least in part through said mating surfaces; a brush housing bumper of resiliently compressible material enshrouding at least a portion of the sides and top of said brush housing; said motor housing including a portion overlying said bumper, said overlying portion including a tongue projecting therefrom; said bumper including a groove receiving said tongue whereby said bumper is held in place at least partially by the interaction of said tongue and said groove; a tire for each of said wheels, said tire being of a resiliently compressible material and protruding beyond the outside edge of said wheel and beyond any protrusions therefrom; at least the lower portions of said tire lying in horizontal alignment with a portion of said brush housing bumper; a motor housing bumper enshrouding at least a portion of the sides of said motor housing and extending from a level horizontally aligned with at least the upper portions of said tire to generally the top of said motor housing, whereby when said floor machine contacts an object, the object hits either said brush housing bumper, one of said tires or said motor housing bumper.
Claim 16
Dependent Claim
57 words
The machine of claim 12 comprising: means defining a plurality of motor mounting platforms projecting inwardly from the sides of said motor housing; each of said platforms projecting inwardly to a different radius and each being positioned at a different level within said housing whereby different sized motors can be mounted on different ones of said platforms.
Claim 17
Dependent Claim
54 words
The floor machine of claim 13 in which said defining means comprises a plurality of motor mounting ribs projecting inwardly from the sides of said motor housing; each of said ribs including at least a first and a second step upon which motors of at least two different dimensions can be seated and secured.
Claim 18
Dependent Claim
82 words
The floor machine of claim 12 comprising: a handle operably connected to said motor housing; a switch housing at the upper end of said handle; a hand grip projecting laterally from either side of said switch housing, the top surface of each of said grips being generally continuous with the top surface of said switch housing and defining in conjunction therewith a generally continuous, generally arcuate surface against which an operator can nest his body to aid in propelling said floor machine.
Claim 19
Dependent Claim
51 words
The floor machine of claim 15 in which each of said hand grips includes a recess therein; a switch lever being mounted on each of said grips within said recess, said lever projecting out of said recess but being generally within said recess and flush with said grip surface when depressed.
Claim 20
Dependent Claim
79 words
The floor machine of claim 12 comprising: a handle operably connected to said motor housing; a switch housing at the top of said handle; two separate switches mounted in said switch housing; each of said switches being operably connected to said driven element for independently controlling said driven element; a separate actuating means operably connected to each of said switches whereby said driven element can be operated by activating either one or the other of said separate activating means.
Claim 21
Dependent Claim
75 words
The floor machine of claim 17 comprising: said switch housing including a nose projecting rearwardly therfrom; an electrical cord being operably connected to said switch housing at the bottom of said nose; said nose projecting beyond the point of connection of said cord with the bottom of saId nose whereby when said handle is accidentally dropped, said nose contacts the floor first, thereby preventing damage to the interconnection between said cord and said switch housing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |