Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1976-06-10
1978-03-21
Truhe, J. V.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200296, 248 273, 339128, H01H 902
Patent
active
040805220
ABSTRACT:
The snap-in arrangement includes a resilient locking flange and a resilient skirt located on the outer end of and extending from the opposite sides of a bushing which extends from a switch frame mounted on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed on the switch base. The locking flange, which terminates in a lip, is first inserted through a square or rectangular support panel mounting hole and is hooked over one edge of the hole. The lip abuts the front of the panel and cooperates with a ridge provided on the bushing body and adapted to abut the back of the panel to secure one side of the bushing on the panel. The switch assembly is thereafter rotated relative to the back of the panel so that the outer portion of the skirt can be squeezed through the mounting hole and the skirt thereafter returns toward an undeflected condition. The side of the bushing including the skirt is secured on the panel by the cooperation of a shoulder on the skirt adapted to bear against the front of the panel and a bearing surface provided on a resilient retainer member and adapted to bear against the back of the panel.
In one embodiment the retainer member is an integral extension of the skirt and in other embodiments the retainer member is formed integrally with the bushing body.
REFERENCES:
patent: 2892011 (1959-06-01), Glueckstein
patent: 3514743 (1970-05-01), Schantz
patent: 3530426 (1970-09-01), Snyder
patent: 3573716 (1971-04-01), Garver
patent: 3609268 (1971-09-01), Sanchez
patent: 3701870 (1972-10-01), Sorenson
patent: 3725626 (1973-04-01), Kruse
patent: 3790923 (1974-02-01), Mathe
patent: 3941965 (1976-03-01), Piber
Cutler-Hammer, Inc.
Tone D. A.
Truhe J. V.
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