Lockable rotary handle operator for circuit breaker

Details Lockable rotary handle operator for circuit breaker Lockable rotary handle operator for circuit breaker

1991-07-12

1993-06-15

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200332, 200 43001, 200 43011, H01H 320

Patent

active

052190706

ABSTRACT:
A rotary handle operator for a circuit breaker with a linearly movable handle has a housing which is mounted over the circuit breaker handle. A slide carrying a rack engages the circuit breaker handle and is slidable within a chamber in the housing. The rack engages a pinion gear sector mounted on a rotatable shaft which extends through a cover on the housing. A rotating handle mounted on the shaft is rotated to linearly operate the circuit breaker handle or is positioned thereby when the circuit breaker trips. The handle may be locked in the off position by inserting the shackle of a lock through an aperture in a lever arm on the rotating handle to urge a pin on a spring biased locking piece within the handle lever into an aperture in the housing cover, or the shackles of several locks may engage a slot in a shroud surrounding the rotating handle to interfere with rotation of the handle out of the off position. An interlock for the door of a cabinet in which the circuit breaker may be mounted is incorporated into the rotary door operator.

REFERENCES:
patent: 2368083 (1945-01-01), Adam
patent: 3171908 (1965-03-01), Malota
Westinghouse Quick Selector Catalog, Electrical Components Division, Disconnect Switches Visi-Flex De-Ion Type, Sep. 1989, p. 88.
Westinghouse Quick Selector Catalog, Electrical Components Division, Handle Mechanisms Vari-Depth Type, Sep. 1989, p. 90.

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