Pushbutton switch

Details Pushbutton switch Pushbutton switch

1982-03-22

1983-10-04

Shepperd, John W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200153J, 200241, H01H 1328, H01H 1360

Patent

active

044081065

ABSTRACT:
A pushbutton switch has a single spring for return of the button, and for the lost motion required to operate a movable contact element between two switch conditions. A staple shaped strut has its head portion loosely received in a recess of the button, and its leg portions cam the movable contact, against the force of the spring, to achieve a desired initial rocking and final sliding motion for the movable contact element relative to a fixed center contact.

REFERENCES:
patent: 2405679 (1946-08-01), Wahlstrom
patent: 2469337 (1949-05-01), Kohl
patent: 3491218 (1970-01-01), Robbins
patent: 3619528 (1971-11-01), Sorenson
patent: 4095070 (1978-06-01), Simpson
patent: 4170725 (1979-10-01), Farrell

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