Title:
KEY SWITCH DEVICE AND KEYBOARD
Document Type and Number:
WIPO Patent Application WO/2017/002572
Kind Code:
A1
Abstract:
Provided are the following: a moving member that is moved by a downward pressing operation; a support mechanism that movably supports the moving member; an electric connection member in which a plurality of contact point pairs between an upper electrode and a lower electrode are provided; and a disc spring that is disposed between the moving member and the electric connection member, and as a result of the disc spring being elastically deformed by the movement of the moving member, the disc spring presses the electric connection member. A plurality of contact point pairs are provided to one moving member, and when the disc spring is deformed by the movement of the moving member, the disc spring simultaneously presses the plurality of contact point pairs provided to the corresponding moving member.
Inventors:
TAGA DAISUKE (JP)
NAKAHARA MOMOSUKE (JP)
NAKAHARA MOMOSUKE (JP)
Application Number:
PCT/JP2016/067208
Publication Date:
January 05, 2017
Filing Date:
June 09, 2016
Export Citation:
Assignee:
FUJITSU COMPONENT LTD (JP)
International Classes:
H01H13/64; H01H13/14
Domestic Patent References:
| WO2001044917A1 | 2001-06-21 |
Foreign References:
| JP2014222644A | 2014-11-27 | |||
| JPH04259714A | 1992-09-16 | |||
| JP2001076584A | 2001-03-23 | |||
| JP2014220130A | 2014-11-20 | |||
| JP2007179921A | 2007-07-12 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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