H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/215
H01H 33/66 (2006.01)
Patent
CA 1108676
11SW-04339 ABSTRACT OF THE DISCLOSURE A vacuum-type circuit breaker comprises (a) a plurality of vacuum circuit interrupters, (b) a common operating member through which closing force is applied to he movable contacts rods of all the interrupters, (c) a wipe mechanism for each interrupter, and (d) a plurality of linkages, one for each interrupter, each being connected between the common operating member and the wipe mechanism for the associated interrupter. Each linkage comprises a plurality of pin joints connected mechanically in series between said common operating member and the associated wipe mechanism. Opening spring means effectively located at the movable contact rod end of each linkage that com- prises at least three of said series connected pin joints applies a bias to said latter linkage that acts upon all of the pin joints in said latter linkage to eliminate from the acted-upon pin joints such clearance as allows reversal of the associated movable contact rod immediately following contact-engagement near the end of a closing operation while closing force is still being applied to said associcated linkage through said common operating member.
329400
Company General Electric
Eckersley Raymond A.
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