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Patent Searching and Data


Title:
OPENING-CLOSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/235276
Kind Code:
A1
Abstract:
This opening-closing device (50) comprises: a tank (1) having a first through-hole (12a) formed therein; a fixed contact (2) housed inside the tank (1); a mobile contact (3) capable of moving back-and-forth between a position that establishes contact with the fixed contact (2) and a position that is separate therefrom; and an operating rod (4) that can move back-and-forth in a parallel direction to the moving direction of the mobile contact (3), and that passes through the first through-hole (12a). In addition, this opening-closing device (50) comprises: a linking plate (5) linking the mobile contact (3) to the operating rod (4); a shield plate (6) provided more to the fixed contact (2) side than the linking plate (5), having formed therein a second through-hole (6a), through which the operating rod (4) passes, and a third through-hole (6b), through which the mobile contact (3) can pass; a first bearing (8) installed in the first through-hole (12a), for supporting the operating rod (4); and a second bearing (9) installed in the second through-hole (6a), for supporting the operating rod (4).

Inventors:
KISANUKI, Osamu (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/023248
Publication Date:
December 27, 2018
Filing Date:
June 23, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01H31/32
Foreign References:
JP4869043B22012-02-01
JP2003123598A2003-04-25
JPH0836934A1996-02-06
JP2015069955A2015-04-13
JP2006032334A2006-02-02
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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