External operating handle mechanism for mold cased circuit...

Details External operating handle mechanism for mold cased circuit... External operating handle mechanism for mold cased circuit...

2008-04-22

2008-04-22

Enad, Elvin (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S043010

Reexamination Certificate

active

11302330

ABSTRACT:
An external operating handle mechanism for a mold cased circuit breaker comprising: an external operating handle; a pinion gear coupled to the external operating handle to be rotatable in response to a rotation of the external operating handle; a movable member provided with a rack gear portion coupled to the pinion gear to be linearly movable according to the rotation of the pinion gear, and provided with a handle connecting portion connected to the handle of the mold cased circuit breaker to linearly move the handle of the mold cased circuit breaker; and a guide member for guiding the movable member to linearly move, by which it is easy to control a stroke required for a displacement of the handle of the mold cased circuit breaker and the displacement of the external operating handle according to the stroke, and it is possible to accurately and efficiently transfer power upon performing a reset operation. Accordingly, unreasonable force may not be applied to resin molding components related to the reset operation including a handle among switching mechanisms, and thus damage or deformation of these components and a unsuccessful or imperfect reset operation can be prevented.

REFERENCES:
patent: 5219070 (1993-06-01), Grunert et al.
patent: 5288958 (1994-02-01), Grunert et al.
patent: 6153845 (2000-11-01), Bollinger et al.
patent: 6194983 (2001-02-01), Bogdon et al.
patent: 6596952 (2003-07-01), Degrazia et al.

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