Electricity: circuit makers and breakers – Solid contact – Membrane type
Patent
1997-08-18
1999-06-08
Luebke, Renee S.
Electricity: circuit makers and breakers
Solid contact
Membrane type
200513, 200406, H01H 1370
Patent
active
059098040
ABSTRACT:
A depression actuated switch which is suitable for achieving a reduction thickness and which does not easily malfunction even when an end depressing operation is performed thereon includes: a driving member 4 having a depressing portion 4a and a mounting portion 4b which are connected together by an elastic portion 4c that is elastically deformable during operation; a sheet-like flexible member 2 to the lower surface of which the mounting portion 4b of the driving member 4 is attached; a cushion member 3 which is positioned so as to surround the driving member 4, to the upper surface of which the sheet-like flexible member 2 is glued and which is more liable to be elastically deformed than the sheet-like flexible member 2; a click spring 5 which is arranged below the depressing portion 4a of the driving member 4 and which generates a tactile click feel when it flips over; and a membrane switch 6 arranged below this click spring 5 and which effects conduction between contacts by the click spring 5 which has flipped over.
REFERENCES:
patent: 4127752 (1978-11-01), Lowthorp
patent: 4933522 (1990-06-01), Celander
patent: 5149923 (1992-09-01), Demeo
patent: 5199557 (1993-04-01), Brandt et al.
patent: 5664667 (1997-09-01), Kenmochi
Alps Electric Co. ,Ltd.
Luebke Renee S.
LandOfFree
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