Quieting device for keytop leveling mechanisms

Details Quieting device for keytop leveling mechanisms Quieting device for keytop leveling mechanisms

1989-09-22

1992-05-26

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200345, 200301, H01H 1370, H01H 360

Patent

active

051170760

ABSTRACT:
Excess clearance provided between a multi-wide keytop and a rigid supporting housing layer is removed by provision of yieldable projections that extend upwardly beyond the housing layer and engage the movable leveling bar. The projections are formed integrally with an underlying dome sheet of elastomeric material and protrude through complementary openings formed through the housing layer.

REFERENCES:
patent: 4181826 (1980-01-01), Latasiewicz
patent: 4384796 (1983-05-01), Denley
patent: 4902862 (1990-02-01), Oelsch et al.

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