Slide bar interlock

Details Slide bar interlock Slide bar interlock

1997-12-29

1999-05-11

Luebke, Renee S.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

200 5B, 200 4316, H01H9/26

Patent

active

059029749

ABSTRACT:
A slide bar interlock for interlocking adjacent first and second circuit breakers having dissimilar actuating means and preventing the first and second circuit breakers from simultaneously being in a closed operating position. The slide bar interlock includes a housing and a slide bar received in the housing. The slide bar includes a first end which extends from the housing adjacent to the first circuit breaker and a second end which extends from the housing adjacent to the second circuit breaker. The slide bar is slidable between a first position where the first end of the slide bar blocks operation of a pivoting actuating handle of the first circuit breaker and a second position where the second end of the slide bar maintains a push-to-open button of the push button actuating means of the second circuit breaker in an actuated position. The second end of the slide bar includes a pin member which is received in a transverse aperture formed in the push-to-open button for maintaining the push-to-open button in the actuated position.

REFERENCES:
patent: 3267223 (1966-08-01), Larkin
patent: 4286242 (1981-08-01), Mrenna et al.
patent: 4517422 (1985-05-01), Black, III et al.
patent: 5130501 (1992-07-01), Maeda
Cutler Hammer, I.L. 29-858B, pp. 1-4 (Jun. 1997).
Westinghouse, I.L. 15532, pp. 1-2 (Nov. 1986).

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