Mechanical interlock for contactor banks

Details Mechanical interlock for contactor banks Mechanical interlock for contactor banks

1993-02-17

1994-11-29

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

335132, 335160, H01H 926

Patent

active

053692292

ABSTRACT:
The locking mechanism is inserted between two contactor banks and comprises two sliding pieces connected to a pair of tillable cams, which are biased towards an inoperative position by a spring. The cams are connected to the sliding pieces themselves by pivot emerging from each one of them. The pivot is located in a transversal throat of the sliding pieces themselves. When one of these pieces moves, the respective cam tilts and comes in between and blocks the other one, preventing the respective sliding piece associated to the latter from being able to move. Thus, the pulsator of the other contactor bank will not be able to be operated.

REFERENCES:
patent: 3210491 (1965-05-01), DiMarco
patent: 5164694 (1992-11-01), De Vault et al.

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