Pushbutton switch with coil spring movable content wedgingly engageable with stationary housing contact

Claim 2

An electrical switch construction comprising a housing means having a generally cylindrical internal peripheral surface, a movable plunger means carried by said housing means, and a coiled compression spring means having a longitudinal axis and being carried by said housing means, said spring means being engageable with said plunger means, said spring means when in one operative position being in wedged relation radially outwardly of said axis thereof with said internal peripheral surface of said housing means to provide an electrical circuit through said spring means to said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit by being compressed along its said longitudinal axis.

Claim 3

An electrical switch construction as set forth in claim 1 wherein said housing means has a chamber therein, said spring means being disposed in said chamber.

Claim 4

An electrical switch construction as set forth in claim 2 wherein said spring means has opposed ends, one of said ends being disposed at one end of said chamber and the other end being movable relative to said housing means by said plunger means.

Claim 5

An electrical switch construction comprising a housing means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means when in one operative position being in wedged relation with said housing means to provide an electrical circuit through said spring means to said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means and spring means is moved out of its wedging relation to break said electrical circuit, said housing means having a chamber therein, said spring means being disposed in said chamber, said spring means having opposed ends, one of said ends being disposed at one end of said chamber and the other end being movable relative to said housing means by said plunger means, one of said other end of said spring means and said chamber having a substantially frusto-conical portion that provides said wedging relation therebetween when said spring means is in said one operative position thereof.

Claim 6

An electrical switch construction comprising a housing means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means when in one operative position being in wedged relation with said housing means to provide an electrical circuit through said spring means to said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means and spring means is moved out of its wedging relation to break said electrical circuit, said housing means having a chamber therein, said spring means being disposed in said chamber, said spring means having opposed ends, one of said ends being disposed at one end of said chamber and the other end being movable relative to said housing means by said plunger means, one of said other end of said spring means and said chamber having a substantially frusto-conical portion that provides said wedging relation therebetween when said spring means is in said one operative position thereof.

Claim 7

An electrical switch construction as set forth in claim 4 wherein said other end of said spring means has said frusto-conical portion, said chamber having a first cylindrical portion and a second cylindrical portion with a larger diameter than said first portion, said other end of said spring means being in said wedging relation when received in said first cylindrical portion and being out of said wedging relation when moved into said second cylindrical portion by said plunger means.

Claim 8

An electrical switch construction as set forth in claim 5 wherein said plunger means has a guide thereon received in said other end of said spring means to guide movement of said other end of said spring means between said cylindrical portions of said chamber.

Claim 9

An electrical switch construction as set forth in claim 1 wherein said spring means has opposed ends, one of said ends being fixed from moveMent relative to said housing means and the other end being movable relative to said housing means by said plunger means and providing said wedged and unwedged relation therewith.

Claim 10

An electrical switch construction as set forth in claim 7 wherein said housing means has an electrical insulative part carrying said one end of said spring means to electrically isolate said one end of said spring means from the remainder of said housing means.

Claim 11

An electrical switch construction comprising a housing means, a movable plunger means carried by said housing means, a compression spring means carried by said housing means and being engageable with said plunger means, said spring means when in one operative position being in wedged relation with said housing means to provide an electrical circuit through said spring means to said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit, said spring means having opposed ends, one of said ends being fixed from movement relative to said housing means and the other end being movable relative to said housing means by said plunger means and providing said wedged and unwedged relation therewith, said housing means having an electrical insulative part carrying said one end of said spring means to electrically isolate said one end of said spring means from the remainder of said housing means, and an electrical lead means being electrically connected to said one end of said spring means.

Claim 12

An electrical switch construction comprising a housing means, a movable plunger means carried by said housing means, a compression spring means carried by said housing means and being engageable with said plunger means, said spring means when in one operative position being in wedged relation with said housing means to provide an electrical circuit through said spring means to said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit, said spring means having opposed ends, one of said ends being fixed from movement relative to said housing means and the other end being movable relative to said housing means by said plunger means and providing said wedged and unwedged relation therewith, said housing means having an electrical insulative part carrying said one end of said spring means to electrically isolate said one end of said spring means from the remainder of said housing means, and an electrical lead means being electrically connected to said one end of said spring means.

Claim 13

An electrical switch construction as set forth in claim 9 wherein said plunger means is formed of electrically non-conductive material.

Claim 14

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconnected to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means and being provided with a generally cylindrical internal peripheral surface, a movable plunger means carried by said housing means, and a coiled compression spring means having a longitudinal axis and being carried by said housing means, said spring means being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation radially outwardly of said axis thereof with said internal peripheral surface of said housing means to complete said electrical circuit means through said spring means and said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means by being compressed along its said longitudinal axis.

Claim 15

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconnected to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means and being provided with a generally cylindrical internal peripheral surface, a movable plunger means carried by said housing means, and a coiled compression spring means having a longitudinal axis and being carried by said housing means, said spring means being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation radially outwardly of said axis thereof with said internal peripheral surface of said housing means to complete said electrical circuit means through said spring means and said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means by being compressed along its said longitudinal axis.

Claim 16

An electrical control system as set forth in claim 11 wherein said housing means has a chamber therein, said spring means being disposed in said chamber.

Claim 17

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconnected to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation with said housing means to complete said electrical circuit means through said spring means and said housing means at said wedGing engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means, said housing means having a chamber therein, said spring means being disposed in said chamber, said spring means having opposed ends, one of said ends being disposed at one end of said chamber and the other end being movable relative to said housing means by said plunger means.

Claim 18

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconnected to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation with said housing means to complete said electrical circuit means through said spring means and said housing means at said wedGing engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means, said housing means having a chamber therein, said spring means being disposed in said chamber, said spring means having opposed ends, one of said ends being disposed at one end of said chamber and the other end being movable relative to said housing means by said plunger means.

Claim 19

An electrical control system as set forth in claim 13 wherein one of said other end of said spring means and said chamber has a substantially frusto-conical portion that provides said wedging relation therebetween when said spring means is in said one operative position thereof.

Claim 20

An electrical control system as set forth in claim 14 wherein said other end of said spring means has said frusto-conical portion, said chamber having a first cylindrical portion and a second cylindrical portion with a larger diameter than said first portion, said other end of said spring means being in said wedging relation when received in said first cylindrical portion and being out of said wedging relation when moved into said second cylindrical portion by said plunger means.

Claim 21

An electrical control system as set forth in claim 15 wherein said plunger means has a guide thereon received in said other end of said spring means to guide movement of said other end of said spring means between said cylindrical portions of said chamber.

Claim 22

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconneced to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation with said housing means to complete said electrical circuit means through said spring means and said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means, said spring means having opposed ends, one of said ends being fixed from movement relative to said housing means and the other end being movable relative to said housing means by said plunger means and providing said wedged and unwedged relation therewith.

Claim 23

An electrical control system comprising an electrical power source, an electrical circuit means operatively interconneced to said power source, and an electrical switch construction disposed in said circuit means and having a housing means interconnected to one side of said circuit means, a movable plunger means carried by said housing means, and a compression spring means carried by said housing means and being engageable with said plunger means, said spring means being interconnected to the other side of said circuit means and when in one operative position being in wedged relation with said housing means to complete said electrical circuit means through said spring means and said housing means at said wedging engagement therebetween, said spring means and said housing means and said plunger means being so constructed and arranged that when said plunger means is moved to a certain position relative to said housing means said spring means is moved out of its wedging relation to break said electrical circuit means, said spring means having opposed ends, one of said ends being fixed from movement relative to said housing means and the other end being movable relative to said housing means by said plunger means and providing said wedged and unwedged relation therewith.

Claim 24

An electrical control system as set forth in claim 17 wherein said housing means has an electrical insulative part carrying said one end of said spring means to electrically isolate said one end of said spring means from the remainder of said housing means.

Claim 25

An electrical control system as set forth in claim 18 wherein an electrical lead means is electrically connected to said one end of said spring means and comprises said other side of said circuit means.

Claim 26

An electrical control system as set forth in claim 19 wherein said plunger means is formed of electrically non-conductive material.