CIRCUIT BREAKING DEVICE

Japanese Patent JP3886735

B2

PROBLEM TO BE SOLVED: To provide a small, inexpensive circuit breaking device preventing the fusion loss of a terminal caused by arc discharge without using two relay switches and a control circuit of them.
SOLUTION: A load side terminal 12 connected to a load part, a power source side terminal 13 connected to a power source part, and a consumable electrode 14 connected to the power source side terminal 13 are fixed to a circuit body 2, a moving plug 3 is movably installed in the device body 2, and in a process of moving a current carrying part 41 of the moving plug 3 from a circuit opening position to a circuit closing position, the current carrying part 41 first comes in contact with the load side terminal 12, next comes in contact with the consumable electrode 14 in a state connected to the load side terminal 12, finally comes in contact with the power source side terminal 13 in a state connected to the load side terminal 12 and the consumable electrode 14 by shifting the arrangement of them. The consumable electrode 14 is composed of a consumable electrode with resistance 35 connected to the power source side terminal 13 through a resistance 39 and a through consumable electrode 36 directly connected to the power source side terminal not through the resistance.

Goro Nakamura
Norihiro Sato
Hidenori Yokoyama
Hiroshi Kobayashi

JP2001123373A

February 28, 2007

April 20, 2001

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Yazaki Corporation
TOYOTA JIDOSHA KABUSHIKI KAISHA

H01H27/00; H01H31/24; (IPC1-7): H01H27/00; H01H31/24

JP9023537A
JP39025702B1
JP3092333U
JP58008087B1
JP52076684A

Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu

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