Push button

Details Push button Push button

2007-10-15

2008-12-09

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S345000

Reexamination Certificate

active

07462796

ABSTRACT:
A push button of a computer keyboard includes a cap (10) and a key base (20) attached to cap. The cap includes a cover (12) and a post (14) extending from the cover along a first direction. The post includes a plurality of sidewalls (141) and at least one recessed guideway connected between the adjacent sidewalls. A through hole (28) is defined in the key base for receiving the post of the cap. At least one guide rib (243) is formed on the key base in the through hole. The at least one guide rib is resisted against the corresponding at least one guideway of the post of the cap along two tangent lines parallel to the first direction. The post of the cap is movable along the tangent lines.

REFERENCES:
patent: 5406277 (1995-04-01), Lee
patent: 5668358 (1997-09-01), Wolf et al.
patent: 5938009 (1999-08-01), Huang
patent: 6121564 (2000-09-01), Huang
patent: 6156986 (2000-12-01), Tsai
patent: 6171003 (2001-01-01), Lo
patent: 6184481 (2001-02-01), Chen
patent: 6969815 (2005-11-01), Lu
patent: 7102087 (2006-09-01), Chun et al.

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