Mid trip stop for circuit breaker

Details Mid trip stop for circuit breaker Mid trip stop for circuit breaker

1998-10-16

2000-02-29

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 35, 335167, 335176, H01H 900

Patent

active

060314389

ABSTRACT:
A mid-trip stop circuit breaker, having a handle, adapted for displacement about an axis of rotation between a first position and a second position, the handle being linked to a member whose position corresponds to a rotation position of the handle, a spring urging the handle toward the second position; a stop surface, displaceably supported in relation to the axis of rotation, the stop surface being selectively disposed along a path of the member at a middle position of a transition path from the first position to the second position, and being adapted to engage the member and counter a force of the spring, to retain the handle in the middle position of the transition path, such that a sufficient manual force applied to the handle when retained at the middle position of the transition path will displace the stop surface, allowing the handle to achieve the second position, while in an absence of the sufficient manual force and under influence of the spring alone, the stop surface impedes displacement of the handle and retains it in the middle of the transition path.

REFERENCES:
patent: 5296664 (1994-03-01), Crookston et al.
patent: 5731560 (1998-03-01), Nebon et al.
patent: 5774031 (1998-06-01), Linzenich et al.
patent: 5793270 (1998-08-01), Beck et al.

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