Key sheet

Details Key sheet Key sheet

2008-04-15

2008-04-15

Enad, Elvin (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S345000

Reexamination Certificate

active

11600848

ABSTRACT:
Provided is a stable key sheet in which, even if a key top is operated so as to be shifted sidewise, no excessive change, such as great tottering of the key top or overlapping of key tops each other, is caused. A key sheet including: a key top having a fixation protrusion protruding from a center of a bottom surface; and a base sheet to which the fixation protrusion is fixed, further includes a stopper plate having an opening through which the fixation protrusion of the key top is passed and whose edge faces a side of the fixation protrusion, in which, at a time of sidewise movement of the key top, the stopper plate abuts the key top to regulate the sidewise movement of the key top.

REFERENCES:
patent: 7034235 (2006-04-01), Hosaka
patent: 7138588 (2006-11-01), Soumi
patent: 7262379 (2007-08-01), Nishimura et al.
patent: 2006/0196759 (2006-09-01), Soumi
patent: 2007/0084710 (2007-04-01), Koyano et al.
patent: 2004-319396 (2004-11-01), None
patent: 2004-362891 (2004-12-01), None

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