The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 2004
Filed:
Feb. 08, 2000
Applicant:
Inventors:
Mitsumasa Kako, Tokai, JP;
Isao Mochizuki, Kaizu-gun, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 1/7965 ;
U.S. Cl.
CPC ...
H03K 1/7965 ;
Abstract
In a key switch device , a guide member constructed of a first and a second links and , which guides a vertical movement of a key top , is movably mounted on a rigid circuit board with a metal supporting member provided with a slidably supporting portion A which slidably supports a slidable shaft formed at a lower end of the second link and a metal supporting member provided with a rotatably supporting portion A which rotatably supports a rotatable shaft formed at a lower end of the first link . The supporting members are fixed on copper foil land patterns , respectively, by soldering.