Title:
SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP3488369
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable closing a circuit with a circuit closing drive means in a completed state of circuit opening operation between a fixed contact and a moving contact.
SOLUTION: Until circuit opening operation between a fixed contact 20 and a moving contact 21 is completed, an interlocking means 61 interlocking with a holding means 36 engages with a holding means 57 to obstruct the release of the holding operation of the holding means 57, and in a completed, state of circuit opening operation between the contacts 20, 21, the engagement of the interlocking means 61 with the holding means 57 is released, and the holding operation of the holding means 57 can be released with a circuit closing signal.
Inventors:
Kenichi Iwaki
Atsuya Nakajima
Atsuya Nakajima
Application Number:
JP30833397A
Publication Date:
January 19, 2004
Filing Date:
November 11, 1997
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H01H33/40; H01H33/42; (IPC1-7): H01H33/40; H01H33/42
Domestic Patent References:
| JP488638U | ||||
| JP6429740U |
Attorney, Agent or Firm:
Masuo Oiwa (3 outside)