Title:
【発明の名称】回路遮断器
Document Type and Number:
Japanese Patent JP3095590
Kind Code:
B2
Abstract:
An operating mechanism for a circuit breaker including a frame, a spring shaft mounted on the frame and rotatable around a central axis thereof, a spring case having a notch in an outer periphery thereof and rotatable around the central axis, a rotating spring provided in the spring case and having a first end secured to the spring shaft and a second end secured to the spring case, a cam secured to the spring shaft and rotatable along with the spring shaft, and a catch rotatably mounted on the spring case. The catch is at an original position at the notch inside the outer periphery of the spring case by a spring. The operating mechanism further includes a charging device for rotating the spring case to charge the rotating spring and a control lever rotatably mounted on the frame and having an end portion engaged with the cam, the catch and the outer periphery of the spring case for performing closing and opening control of the charging device. The spring shaft is rotated by a driving force of the rotating spring for causing the control lever to perform the closing control of the charging device. The spring case is rotated by the charging device to charge the rotating spring for causing the control lever to perform the opening control of the charging device.
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Inventors:
Kazuhiro Matsuo
Makoto Taniguchi
Takayuki Miyazawa
Junji Fujiwara
Makoto Taniguchi
Takayuki Miyazawa
Junji Fujiwara
Application Number:
JP23705893A
Publication Date:
October 03, 2000
Filing Date:
September 24, 1993
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H01H5/10; H01H3/30; H01H33/40; H01H33/42; (IPC1-7): H01H33/40
Domestic Patent References:
| JP57194233U | ||||
| JP5034227B1 |
Attorney, Agent or Firm:
Hideaki Togawa