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:
May. 22, 2012
Filed:
Aug. 09, 2011
Katsuhiko Kato, Tokyo, JP;
Hideto Taneyama, Tokyo, JP;
Hitoshi Uchiyama, Tokyo, JP;
Shin-Etsu Polymer Co., Ltd., Tokyo, JP;
Abstract
A member for a push button switch that has a small thickness, high durability, and excellent click feeling and can be manufactured at low cost. The member for the push button switch includes one or more key tops, a metal sheet including at least holes that correspond to positions of the key tops, and an elastic sheet that is provided on the metal sheet so as to be positioned on the same side as or opposite side to the key tops. The elastic sheet is fitted into the holes and comes in contact with the key tops at positions of the holes. The elastic sheet includes a urethane film or polycarbonate, and a silicone rubber, which are laminated in a thickness direction of the metal sheet.