Keystroke structure (1)

Details Keystroke structure (1) Keystroke structure (1)

2005-12-27

2005-12-27

Lee, K. Richard (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S0050EA, C200S01700A, C400S490000, C345S168000

Reexamination Certificate

active

06979792

ABSTRACT:
A keystroke structure (1) comprising a baseplate with insert holes are considerably spaced; the baseplate further comprises a membrane circuit board; an electrically conductive and round in shape resilient body is on the circuit board, a first key frame and a second key frame are on the rim of the resilient body; the first key frame and the second key frame comprise two protruding hinged arms at one end and two extending posts at the other end; the posts comprise a shaft lever respectively; the shaft levers can thread insert the holes on the hood frame; furthermore, the posts comprise a protruding tubes each where they are connected with the first key frame and the second key frame; the tubes comprise a through holes each which the hinged arms thread such that the first key frame and the second key frame can be connected in “Y” shape. A key cap is inserted on the first and the second key frame, while assembly, since the posts have only one end stretch out to the baseplate, the assembly is easier and faster, the structure is simpler to save manufacturing cost. The first and the second key frames are connected together to support each other, the supporting strength is stronger, the slide is smoother.

REFERENCES:
patent: 5268545 (1993-12-01), Bruner
patent: 5828015 (1998-10-01), Coulon
patent: 5924553 (1999-07-01), Yeh
patent: 5973281 (1999-10-01), Tsai
patent: 6088219 (2000-07-01), Yanniello et al.
patent: 6156985 (2000-12-01), Chiang
patent: 6340803 (2002-01-01), Li

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