Rotary switch

Details Rotary switch Rotary switch

1996-08-08

1998-08-18

Walczak, David J.

Electricity: circuit makers and breakers

Solid contact

Rotating actuator

200568, H01H 1920

Patent

active

057947660

ABSTRACT:
A rotary switch includes a contact forming member including a switch contact and a land contact and an elastic plate including a base portion mounted on the land contact and an abutment portion disposed above the switch contact. A rotor is disposed above the elastic plate for pivotal movement and includes depresser portions provided in the lower surface of the rotor for depressing the elastic plate. When the rotor is rotated, the depresser portions of the rotor cause the elastic plate to be depressed, so that the abutment portion is engaged with the switch contact.
The contact forming member may be constructed by forming the switch contact and the land contact on a circuit substrate.
The contact forming member may be constructed by a metal plate on which the switch contact is formed, a metal plate on which the land contact is formed, and a stationary member on which the metal plates are secured.

REFERENCES:
patent: 2876313 (1959-03-01), Dull et al.
patent: 2967215 (1961-01-01), Whiting
patent: 2970199 (1961-01-01), Dull et al.
patent: 3719788 (1973-03-01), Holland et al.
patent: 4625084 (1986-11-01), Fowler et al.
patent: 5315077 (1994-05-01), Simon et al.
patent: 5422448 (1995-06-01), Nakano et al.

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