Key switch assembly for a computer keyboard

Details Key switch assembly for a computer keyboard Key switch assembly for a computer keyboard

1997-08-25

1998-10-20

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Actuators

16370, 384425, H01H 312

Patent

active

058233245

ABSTRACT:
A key switch assembly includes a key cap support with first and second support levers. The first support lever has upper rods, lower rods and intermediate circular connecting portions. The circular connecting portions have circumferential edges which form first shoulders that interconnect front sides of the upper and lower rods, and second shoulders that interconnect back sides of the upper and lower rods. The lower rods and upper rods have concave first and second end faces that extend transversely along the circumferential edges. The second support lever has upper arms, lower arms and intermediate circular plates. The circular plates have peripheral edges which form third shoulders that interconnect back sides of the upper and lower arms, and fourth shoulders that interconnect front sides of the upper and lower arms. The upper and lower arms have concave third and fourth end faces that extend transversely along the peripheral edges of the circular plates. The first and second shoulders abut slidably against the third and fourth end faces, and the first and second end faces abut slidably against the third and fourth shoulders, thereby coupling rotatably the first and second support levers.

REFERENCES:
patent: 5278372 (1994-01-01), Takagi et al.
patent: 5457297 (1995-10-01), Chen
patent: 5512719 (1996-04-01), Okada et al.
patent: 5555971 (1996-09-01), Takada
patent: 5630501 (1997-05-01), Tsay

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