Stop motion device for motor driven device

Details Stop motion device for motor driven device Stop motion device for motor driven device

1976-09-15

1978-09-05

Griffin, Donald A.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 57, G03B 118, B65H 2504

Patent

active

041124499

ABSTRACT:
In a motor driven device having a switch for opening and closing an electric circuit for driving a motor, a stop motion device adapted to transmit the drive of the motor to produce an output comprises first transmission means displaceable between a closing position for closing the switch and an opening position for opening the switch and operatively associated with the motor, second transmission means operatively associated with the first transmission means to transmit the drive of the motor to the outside thereof, and means for biasing the first transmission means more toward the closing position when it is in said closing position. The first transmission means may thus be displaced to the opening position when an extraneous force suppressing the output during operation acts on the first transmission means more strongly than the biasing force of the bias means.

REFERENCES:
patent: 2570944 (1951-10-01), Hauser
patent: 3051405 (1962-08-01), Lyon

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