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:
Apr. 30, 1996
Filed:
Oct. 27, 1994
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A key switch wherein a switching action is effected by movements of a keytop movably connected to a holder via a scissors-type support linkage which consists of first and second links connected pivotally about a common primary pivot shaft. The keytop, holder and first and second links include at least one special secondary pivot shaft each carried by a special support portion, and at least one special bearing portion each engaging the corresponding special secondary pivot shaft. The special support portion and/or the corresponding special bearing portion has/have an elastic portion which elastically yields to allow engagement of the special pivot shaft and the special bearing portion during assembling of the keytop, support linkage and holder.