Title:
LOCKING DEVICE FOR DISCONNECTOR
Document Type and Number:
Japanese Patent JP3385673
Kind Code:
B2
Abstract:
PURPOSE: To provide a locking device for disconnector with a simple structure which can safely perform the maintenance and inspection of a switch including a disconnector.
CONSTITUTION: A pushbutton switch 20 is pushed when a safe condition where a disconnector is opened and an earthing device is closed is established, whereby a coil 19 is excited, a piston 19a is pulled out from the hole 14b of a shutter 14, and a cylinder lock 9 is released to pull out a locking handle 7, whereby a locking plate 3 is rotated. The manual handle insert hole 25 of the disconnector is blocked by the locking plate 3 to lay the disconnector in the locked state. A clutch lever 17 is also rotated through the shutter 13 to release the connection of the operating shaft of the disconnector to a motor.
Inventors:
Izumi Taki
Kazuhiro Uchida
Kazuhiro Uchida
Application Number:
JP26445893A
Publication Date:
March 10, 2003
Filing Date:
October 22, 1993
Export Citation:
Assignee:
KABUSHIKI KAISHA MEIDENSHA
International Classes:
H01H31/04; (IPC1-7): H01H31/04
Domestic Patent References:
| JP6220211A | ||||
| JP467704A | ||||
| JP670139U | ||||
| JP2101427U | ||||
| JP562935U | ||||
| JP5843746U | ||||
| JP55100634U |
Attorney, Agent or Firm:
Fujiya Shiga (1 person outside)