Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOVABLE CONTACT OF CIRCUIT BREAKER AND METHOD OF MANUFACTURING FINGER CONSTITUTING THE MOVABLE CONTACT
Document Type and Number:
Japanese Patent JP2011204689
Kind Code:
A
Abstract:

To provide a movable contact of a circuit breaker, capable of minimizing the manufacturing cost thereof, and to provide a method of manufacturing a finger constituting the movable contact.

The movable contact includes: a cage angularly rotating with one side as a reference axis; a plurality of fingers provided at the cage, while including a path body that has a predetermined thickness and has one end of an inclined plane, a wire connection that is extended from one end of the path body with a level difference to have a predetermined area and has one surface of a horizontal plane, and an arc discharge portion that is extended from a side surface at another end of the path body with a predetermined length to induce the discharge of an arc; and contact terminals each of which is respectively coupled to each of the fingers to be brought into contact with or separated from a fixed contact according to angular rotation of the cage.


More Like This:
WO/2016/208968DC BREAKER
Inventors:
SO JE-KUWAN
Application Number:
JP2011132209A
Publication Date:
October 13, 2011
Filing Date:
June 14, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LS IND SYSTEMS CO LTD
International Classes:
H01H33/14; H01H33/20; H01H31/02; H01H73/02
Domestic Patent References:
JPS55166039U1980-11-29
JPH05101764A1993-04-23
JPS482385A
JPS376128B1
JPS6250282A1987-03-04
JP2003217428A2003-07-31
JPH02142U1990-01-05
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Yoryo Mihashi
Yuichi Morimoto



 
Previous Patent: MIXED CONDUCTIVE POWDER

Next Patent: LIGHTING APPARATUS