Elongated key support mechanism

Details Elongated key support mechanism Elongated key support mechanism

1998-02-09

2000-06-06

Gellner, Michael L.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200341, H01H 1370

Patent

active

060721332

ABSTRACT:
An elongated key switch 1 includes a key top 2 and a guide support member 5 supporting the key top 2. The guide support member 5 includes connection members 3c, 4c formed in a thick plate or rod shape to provide them which high rigidity. The connection member 3c is provided with a press-down portion that directly presses down on a rubber spring to perform a switching operation. To insure that the connection member 3c is sufficiently rigid so that the switching operation can be performed, metal wire 3g having rigidity is press fitted in a lengthwise direction of the connection member 3c. Accordingly, even when a lengthwise end portion of the key top 2 is pressed down, the connection members 3c, 4c, particularly the connection member 3c that presses directly on the rubber spring, will not bend. As a result, switching operations can be accurately performed.

REFERENCES:
patent: 5630501 (1997-05-01), Tsay
patent: 5746308 (1998-05-01), Lin
patent: 5747758 (1998-05-01), Hochgesang et al.
patent: 5767464 (1998-06-01), Dyer et al.
patent: 5767468 (1998-06-01), Tsai
patent: 5819914 (1998-10-01), Yoneyama
patent: 5823325 (1998-10-01), Lin
patent: 5878872 (1999-03-01), Tsai
patent: 5898145 (1999-04-01), Su

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