Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1996-06-21
1997-09-23
Walczak, David J.
Electricity: circuit makers and breakers
Electric switch details
Actuators
200558, 200553, H01H 300
Patent
active
056694873
ABSTRACT:
A key top mounting structure for connecting a key top to an operating lever of, for example, a power window control switch of a vehicle. The key top mounting structure provides a precise switch operating mechanism which can be used in both a push-push type and a push-pull type switch, thereby reducing production costs by providing component parts common to a variety of key top shapes. The key top mounting structure according to the present invention is provided with an operating lever having an opening surrounded by an upper wall and a pivot shaft for attaching the operating member to a switch body, and a key top having an engaging protrusion and a frame member surrounding the engaging protrusion and spaced therefrom by a gap having a predetermined width. When the key top is mounted to the operating lever, the engaging protrusion is received in the opening and the frame member surrounds the upper wall of the operating lever, thereby securely holding the operating lever between the frame member and the engaging protrusion.
REFERENCES:
patent: 4230917 (1980-10-01), Osika
patent: 4440994 (1984-04-01), Nat
patent: 4767895 (1988-08-01), Parrish
patent: 5066842 (1991-11-01), Yamagata et al.
Alps Electric Co. ,Ltd.
Bever Patrick T.
Shoup Guy W.
Walczak David J.
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