Push button switch

Details Push button switch Push button switch

1995-08-07

1996-07-02

Walczak, David J.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200447000, 200449000, H01H 342

Patent

active

055324444

ABSTRACT:
A push button switch, particularly a power supply switch, has contacts (4, 5) attached to a housing and a movable contact bridge (8) which is moved by means of a spring plunger (10'). A spring switching mechanism (26) transmits force between the spring plunger (10') and a manually-actuated switch actuator (22'). The switch actuator (22') is alternately latched and unlatched by a locking linkage (27, 28) which alternately holds the switch actuator in "switched-on" and "switched-off" positions when the switch actuator is repeatedly pushed. Additionally, a switching rocker (51) is provided between the switch actuator (22') and the spring plunger (10') to improve switching action. The switching rocker (51), at the beginning of "switching-on" and "switching-off" operations, forcibly carries the spring plunger (10') in its respective switching direction through a partial path of its contact stroke (H). Following this partial path the spring switching mechanism (26) moves the spring plunger (10') to its respective "switched-on" or "switched-off" position.

REFERENCES:
patent: 4086455 (1978-04-01), Takahashi
patent: 5047628 (1991-09-01), Schmidt et al.
patent: 5360954 (1994-11-01), Bruggemann et al.
patent: 5426274 (1995-06-01), Bruggemann et al.

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