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Patent Searching and Data


Title:
CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2001/080269
Kind Code:
A1
Abstract:
A circuit breaker comprising a crossbar (7) supported rotatably on a base (1B) while holding a movable contactor (4) rotatably, in which the size can be reduced while limiting decrease of over travel with time. The flexural moduli Eb, Ec of the base (1B) and crossbar (7) at normal temperature and humidity satisfy following relations: Eb+Ec$m(G)17000 Mpa.. (1) 8000 MPa$m(F)Eb.. (2) 9000 MPa$m(F)Ec.. (3)

Inventors:
KATSUBE SHUNICHI (JP)
FUKUYA KAZUNORI (JP)
Application Number:
PCT/JP2001/001301
Publication Date:
October 25, 2001
Filing Date:
February 22, 2001
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
KATSUBE SHUNICHI (JP)
FUKUYA KAZUNORI (JP)
International Classes:
H01H71/02; H01H73/06; H01H9/00; (IPC1-7): H01H73/06
Foreign References:
JPH08171831A1996-07-02
JPH07404A1995-01-06
JP3016344B22000-03-06
JPH05202277A1993-08-10
JPH11288653A1999-10-19
JPH01286224A1989-11-17
JPH10294054A1998-11-04
JPH0668769A1994-03-11
Attorney, Agent or Firm:
Miyata, Kaneo c/o Mitsubishi Denki Kabushiki Kaisha 2-3 (Marunouchi 2-Chome Chiyoda-ku, Tokyo, JP)
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