Key-switch device corresponding to miniaturized...

Details Key-switch device corresponding to miniaturized... Key-switch device corresponding to miniaturized...

2005-06-21

2005-06-21

Luebke, Renee (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

Reexamination Certificate

active

06909062

ABSTRACT:
A key-switch device includes a key-top having retainers formed on the back surface of the key-top, first and second levers disposed under the key-top, each lever including a base-end part and a pair of arms opposing each other and extending from both ends of the base-end part, the first and second levers being connected together rotatably about the substantial center of the pair of arms as an intersecting point, a lever-holding plate capable of retaining each lower end of the first and second levers, and an actuator member attached to and spanned between both the base-end parts of the first and second levers. Further, the actuator member has a concave slide-retainer-receiving part with the open top, and the base-end part of the second lever is slidably retained in the slide-retainer-receiving part.

REFERENCES:
patent: 5278371 (1994-01-01), Watanabe et al.
patent: 5847337 (1998-12-01), Chen
patent: 6107584 (2000-08-01), Yoneyama

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