Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1999-02-25
2000-08-01
Friedhofer, Michael
Electricity: circuit makers and breakers
Electric switch details
Actuators
341 22, 361680, H01H 1370
Patent
active
06096989&
ABSTRACT:
A switch formed with a repulsive spring between a key top and a lower contact wherein the switch is provided with a repulsive spring for separating the key top and the lower contact. The switch is horizontally shiftable by a driving board which extends from an adjacent switch and the repulsive spring is shifted by the driving board to allow the key top to fall by the weight of the key top.
REFERENCES:
patent: 5519569 (1996-05-01), Sellers
patent: 5635928 (1997-06-01), Takagi et al.
patent: 5850194 (1998-12-01), Lin
patent: 5874696 (1999-02-01), Hayashi et al.
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