Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INSULATION SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP2004047257
Kind Code:
A
Abstract:

To obtain an insulation switching device with a small change of switching speed capable of freely operating a combination and order of switching of a plurality of isolating switches or the like with a less insulation operation shaft, without any impact given to an operation mechanism during operation.

With the insulation switching device housing a plurality of isolating switches and grounding switches in the same receptacle, a cam, fixed to the insulation operation shaft, performs a switching drive of a movable contact. An arc and Archemedean curve part with a constant diameter from the cam shaft is in a part of a figure of a guide part of the cam, and the plurality of the isolating switches can be switched as the movable contact suspends against a continuous rotation of the insulation operation shaft, diminishing fluctuation of the switching speed.


Inventors:
OTSUKA TAKUYA
AOKI HIROHIDE
Application Number:
JP2002202577A
Publication Date:
February 12, 2004
Filing Date:
July 11, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02B13/02; H01H33/42; H02B13/075; (IPC1-7): H01H33/42; H02B13/02; H02B13/075
Attorney, Agent or Firm:
Michiteru Soga
Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Taizo Shiraishi