Switching device

Details Switching device Switching device

1989-01-04

1990-08-21

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 5E, 200 50C, H01H 926

Patent

active

049508458

ABSTRACT:
A switching device is disclosed in which a depression switch and a rotation/depression switch are interconnected by means of a coupling mechanism. When one of the knobs is turned ON, the remaining knob is automatically turned OFF. The switching device includes a depression knob projecting from a plate and disposed depressingly manipulatable; the depression switch for performing a predetermined switching operation in response to depressing operation of the depression knob; a rotation/depression knob provided on the plate and disposed rotatable and depressingly operable; the rotation/depression switch for performing a predetermined switching operation in cooperation with rotation or depressing movement of the rotation/depression knob; and, a coupling mechanism provided between the depression switch and the rotation/depression switch. The coupling mechanism releases a contact of one of the switches in response to ON operation of remaining one of the switch.

REFERENCES:
patent: 4383147 (1983-05-01), Raab et al.
patent: 4517422 (1985-05-01), Black et al.
patent: 4659880 (1987-04-01), Kondo et al.

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