Invention Grant
- Patent Title: Member for push button switch and method of manufacturing the same
- Patent Title (中): 按钮开关及其制造方法
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Application No.: US11780188Application Date: 2007-07-19
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Publication No.: US08017216B2Publication Date: 2011-09-13
- Inventor: Katsuhiko Kato , Hideto Taneyama , Hitoshi Uchiyama
- Applicant: Katsuhiko Kato , Hideto Taneyama , Hitoshi Uchiyama
- Applicant Address: JP Tokyo
- Assignee: Shin-Etsu Polymer Co., Ltd.
- Current Assignee: Shin-Etsu Polymer Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cowan, Liebowitz & Latman, P.C.
- Agent Mark Montague, Esq.
- Priority: JP2006-210948 20060802
- Main IPC: B32B3/24
- IPC: B32B3/24 ; H01H13/702

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.
Public/Granted literature
- US20080032095A1 MEMBER FOR PUSH BUTTON SWITCH AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2008-02-07
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