Title: Circuit breaker
Application Number: 85103171 Application Date: 1985.04.23
Publication Number: 1006174 Publication Date: 1986.12.24
Approval Pub. Date: Granted Pub. Date: 1989.02.22
International Classifi-cation: H01H73/48,H01H73/50
Applicant(s) Name: Mitsubishi Denki K.K. Address:
Inventor(s) Name:
Attorney & Agent: LI XIANGMIN
Abstract:
     Circuit breaker is comprised of a pair of seperated point contacts (at least one movable); a handling mechanism including a movable contact arm on which a movable point contact being mounted; a locking lever ratatably mounted on said movable contact arm; a socket lever linkage mechanism with one end being connected to an operating handle and the another end being directly connected to said movable arm and locking lever. Said movable contact arm has a locking plane, it cooperates with the locking terminal of the locking lever to hook the other end of said socket lever releaseably and also has a braking plane for preventing the other end of said socket lever from sliding out of a specific point, if the contacts being welded together at that point said lever linkage machanism will being partially damaged. As to operate the handling mechanism quickly and smoothly a roller can be mounted on the other end of the second lever.
Time: 9
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