Pushbutton switch with disabling capability

Details Pushbutton switch with disabling capability Pushbutton switch with disabling capability

1996-10-29

1998-09-08

Walczak, David J.

Electricity: circuit makers and breakers

Switch activation inhibitor

200 4316, 200341, H01H 928

Patent

active

058032371

ABSTRACT:
The pushbutton switch of the present invention includes one or more normally open contact switches and a moveable base plate having a handle and moveable to either a disabled or an operational position by a force applied to the handle. One or more pushbuttons are included wherein each pushbutton is individually depressable to operate a respective one of said normally open contact switches to a closed condition when the moveable base plate is in the operational position. A cover plate having apertures corresponding to the pushbuttons and to the handle of the moveable base plate is included wherein the pushbuttons and the handle are accessible through the apertures. Two or more fasteners are used to slideably couple the moveable base plate to the cover plate. One or more detents are used to hold the moveable base plate in either the disabled or the operational position.

REFERENCES:
patent: 4134279 (1979-01-01), Ross et al.
patent: 4503582 (1985-03-01), Gurubatham
patent: 4718261 (1988-01-01), Kunz
patent: 4912599 (1990-03-01), Wittmer
patent: 5268545 (1993-12-01), Bruner
patent: 5329080 (1994-07-01), Pierce et al.
patent: 5590020 (1996-12-01), Sellers

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