Title:
CONTACT SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/179208
Kind Code:
A1
Abstract:
This contact switching device 1 is provided with: a movable contactor 10a having a bottom surface 10e on which a movable contact 10b is provided; a crossbar 20 supporting the movable contactor 10a on an outer surface 23a of a support cylinder 22 and movable in the contact and separation direction of a fixed contact 100a and the movable contact 10b; a contact pressure spring 31 having an upper end 31a supported at a convex part 23e of the support cylinder 22; a spring seat 32a supporting a lower end 31b of the contact pressure spring 31; a spring seat assembly 30 integrated with said spring seat 32a and including a movable contactor support 33 that transmits the spring force of the contact pressure spring 31 to the bottom surface 10e of the movable contactor 10a; and a spacer 40 sandwiched between the bottom surface 33d of the movable contactor support 33 and the top surface 10d of the movable contactor 10a.
Inventors:
ASHIDA YU (JP)
IKARASHI KATSUTOSHI (JP)
TAKAHASHI KAZUKI (JP)
IKARASHI KATSUTOSHI (JP)
TAKAHASHI KAZUKI (JP)
Application Number:
PCT/JP2017/013230
Publication Date:
October 04, 2018
Filing Date:
March 30, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H50/54
Domestic Patent References:
| WO2014208098A1 | 2014-12-31 |
Foreign References:
| JP2008059906A | 2008-03-13 | |||
| JPS56112834U | 1981-08-31 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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