Closing hesitation prevention for manually operated...

Details Closing hesitation prevention for manually operated... Closing hesitation prevention for manually operated...

H - Electricity

01

H

306/328, 306/74

H01H 71/52 (2006.01)

Patent

CA 1253552

ABSTRACT RAPID CLOSING MECHANISM OF A MINIATURE CIRCUIT BREAKER Rapid manual closing of a miniature circuit breaker with a pivoting operating handle (10) is brought about by the presence of a flexible strip (56) engaged by a protruber- ance (54) on the handle (10) in the course of the pivoting movement of the latter. The deformation of the flexible strip (56) imposes an increased effort to operate the han- dle and, once the deformed flexible strip (56) has been overrun, this increased effort is available for a rapid movement with contact spring (42) loading to closed pos- ition of the contacts (38, 40). A manual opening operation by pivoting the handle (10) in the opposite direction takes place normally, the flexible strip (56) withdrawing by sim- ple pivoting from the trajectory of the protruberance (54). Refer to figure 1.

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