Push-pull actuator for key switches

Details Push-pull actuator for key switches Push-pull actuator for key switches

1988-11-16

1990-02-20

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Reciprocating actuator

2003182, 200334, H01H 1524

Patent

active

049028650

ABSTRACT:
The invention relates to a push-pull actuator for key switches with a mushroom knob (1) which is loaded by a restoring force and is supported longitudinally movable. This mushroom knob (1) is separated from the actuating plunger. This actuating plunger is spring-loaded in the switching direction and is locked in the operating position by rocker levers (13). The locking is cancelled by a relative motion between the mushroom knob (1) and the actuating plunger (6) by the sliding of inclined surfaces (23) at the edges of the rocker levers (13) so that the actuating plunger is moved into the off position by the spring (20). In the off position, the rocker levers (13) with the back sides (19) are brought into engagement with the end faces (18) of the rocker levers.

REFERENCES:
patent: 3567874 (1971-03-01), Strobel
patent: 3718793 (1973-02-01), Obszarny
patent: 4618747 (1986-10-01), Schaffeler

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