H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/284, 306/46.
H01H 71/52 (2006.01) H01H 71/46 (2006.01) H01H 71/50 (2006.01) H01H 83/20 (2006.01)
Patent
CA 1253548
ABSTRACT OF THE DISCLOSURE: An operating mechanism for an electric multipole circuit-breaker having a molded insulating housing including a lower bottom wall, and an upper cover wall, comprises a pivotal manual operating handle comprising an extended base, located inside the housing between the mechanism and the upper cover wall; and two stationary parallel support plates extending in a longitudinal direction, and having upper edges forming a fixed guiding part cooperating with the extended base of the handle upon moving of the handle along a pivoting movement in the longitudinal direction. A toggle device includes a lower rod and an upper rod, both pivoting on a pivot pin, so as to constitute a knee of the toggle. A transverse switch bar is common to all the poles and is mechanically coupled with the lower rod of the toggle device. A pivotal trip lever is articulated to the upper rod of the toggle device; and a stored energy spring is fitted between the handle and the pivot pin of the toggle. The edges of fixed guiding part have an inclined surface which determines the trajectory of the pivoting movement of the handle, the handle having a fictitious pivoting axis located near the lower bottom wall of the housing.
464959
Batteux Pierre
Denis Robert
Gerin Merlin
Robic Robic & Associes/associates
LandOfFree
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