Keyswitch assembly for a multiple-width key

Details Keyswitch assembly for a multiple-width key Keyswitch assembly for a multiple-width key

1997-11-06

1998-10-20

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Electric switch details

Actuators

H01H 1370

Patent

active

058233253

ABSTRACT:
An improved multiple-width keyswitch having a balance lever is provided. The balance lever has a longitudinal portion and a pair of traverse portions which are respectively perpendicular to the longitudinal portion such that a substantial U-shape configuration is formed. The traverse portions are respectively inserted into a mounting lug of a substrate. The traverse portions of the balance lever are respectively sleeved with a tubular bushing. One end of the tubular bushing is biased against to the mounting lug such that the horizontal displacement of the keycap with respect to the substrate can be reduced or eliminated.

REFERENCES:
patent: 4475832 (1984-10-01), Wachs
patent: 4771146 (1988-09-01), Suzuki et al.
patent: 4830526 (1989-05-01), Hosono
patent: 5376765 (1994-12-01), Holmes et al.
patent: 5668358 (1997-09-01), Wolf et al.
patent: 5669723 (1997-09-01), Chang

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