Key and input device containing the key

Details Key and input device containing the key Key and input device containing the key

2006-10-24

2006-10-24

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

Reexamination Certificate

active

07126071

ABSTRACT:
A key, which is pressed for constituting close circuit, includes a key cap, a movable arm and a bottom plate. A bottom of the key cap is joined to a bend part of the movable arm. A pivot part of the movable arm is movably joined to a pivot hole of the bottom plate. The bend part surrounds at least two adjacent lateral sides of the bottom of the key cap to constitute a support plane. When the key cap is pressed down at any one spot on the key cap, the pressing force is supported by the bend part and moves the key cap downward directly instead of inclining to the side of the pressed spot. The key provides simple structure for easy assembly and requires less precision for saving fabrication cost.

REFERENCES:
patent: 5668358 (1997-09-01), Wolf et al.
patent: 5823325 (1998-10-01), Lin
patent: 6100482 (2000-08-01), Koma et al.
patent: 6239391 (2001-05-01), Nishijima et al.
patent: 6509536 (2003-01-01), Sasaki
patent: 6615453 (2003-09-01), Lin
patent: 6713699 (2004-03-01), Yoneyama
patent: 6815627 (2004-11-01), Chen

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