Apparatus capable of being automatically uncoupled for the manua

Details Apparatus capable of being automatically uncoupled for the manua Apparatus capable of being automatically uncoupled for the manua

1975-06-11

1976-09-14

Geoghegan, Edgar W.

Machine element or mechanism

Alternate manual or power operators

251130, F16H 3500

Patent

active

039799700

ABSTRACT:
The shaft to be operated is connected to a gear and is operable by an electrical device. This apparatus comprises a handwheel provided with a gear and integral with a rod movable between a coupling position in which the two gears are engaged and an uncoupling position to which it is elastically biased. A first pivotal arm has an end connected to move with the rod. A second pivotal arm is movable between a first and second position for locking the first arm in positions corresponding respectivey to the uncoupled and coupled states of the apparatus. A system controlled by the electrical device shifts the second arm to its first and second position when the electrical device is put in action and out of action respectively.

REFERENCES:
patent: 2933937 (1960-04-01), Kron et al.
patent: 3217604 (1965-11-01), Knox

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