Title:
PUSH SWITCH
Document Type and Number:
WIPO Patent Application WO/2018/142752
Kind Code:
A1
Abstract:
The push switch of the present application comprises: a movable contact point (20) which is formed from metal and which is deformable; and a case (30) having formed therein a recessed portion (31) in which the movable contact point (20) is put, and being formed by integrating a central fixed contact portion (50), a peripheral fixed contact portion (60), and a resin member (70) with one another. From the bottom surface of the recessed portion (31) of the case, surfaces of the central fixed contact portion (50) and the peripheral fixed contact portion (60) are exposed. The central fixed contact portion (50) is provided with a central contact point (51, 52). An extension portion (50c) is provided in the surrounding area of the central contact point (51, 52). At the rear surface side of the extension portion (50c) of the central fixed contact portion (50), through holes (81-84) are formed in the resin member (70).
Inventors:
KITAMURA NOBUAKI (JP)
SATO HIDETAKA (JP)
SAKAMOTO TAKAYA (JP)
SATO HIDETAKA (JP)
SAKAMOTO TAKAYA (JP)
Application Number:
PCT/JP2017/043525
Publication Date:
August 09, 2018
Filing Date:
December 04, 2017
Export Citation:
Assignee:
ALPS ELECTRIC CO LTD (JP)
International Classes:
H01H13/06; H01H9/04
Domestic Patent References:
| WO2016136225A1 | 2016-09-01 |
Foreign References:
| JP2003234040A | 2003-08-22 | |||
| JP2010212172A | 2010-09-24 | |||
| JPS5437323U | 1979-03-12 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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