Electricity: circuit makers and breakers – Solid contact – Push button operated
Patent
1989-01-17
1990-06-26
Recla, Henry J.
Electricity: circuit makers and breakers
Solid contact
Push button operated
200520, H01H 342
Patent
active
049374095
ABSTRACT:
A switch device including a casing, a depressible operating member at least partially mounted within the casing and being movable between a protruding position and a depressed position, a cam member movable between an inoperative and operative position in response to the depression of the operating member, the cam member including a cam groove having a loop-like shape, a return spring for urging the cam member toward the inoperative position, an elongated engaging member having one end mounted on the casing and the other end movably disposed in the cam groove, the other end being lockingly engageable in the cam groove to hold the cam member in both inoperative and operative positions, a cushioning member mounted within the casing, the cushioning member being made of a material having elasticity and a high coefficient of friction, and disposed to abuttingly engage the operating member when the operating member is returned from the depressed position to the protruding position, the cushioning member having a holder portion for frictionally engaging the engaging member to urge the other end of the engaging member into the cam groove, and a switch mounted within the casing for being opened and closed in response to the movement of the cam member.
REFERENCES:
patent: 4531026 (1985-07-01), Terajima et al.
patent: 4543459 (1985-09-01), Hayashida
patent: 4585914 (1986-04-01), Ohashi et al.
patent: 4670629 (1987-06-01), VanBenthuysen et al.
patent: 4785146 (1988-11-01), Dunki et al.
Barrett Glenn T.
Kabushiki Kaisha Tokai Rika Denki Seisakusho
Recla Henry J.
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