Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1981-04-07
1983-07-26
Rimrodt, Louis
Winding, tensioning, or guiding
Coil holder or support
Spool or core
17 34, 242 464, 242128, 289 181, B65H 7530, A22C 1112
Patent
active
043949878
ABSTRACT:
Mechanism for rotating a spool adapted to receive a supply of filament, about the axis of the spool, comprising an electric motor which moves bodily axially toward and away from the spool to make and break the spool drive, respectively. According to the invention, the motor is mounted for limited rotation relative to its support, against the action of a spring, when the tension in the filament increases, thereby to make gradual the rise in tension of the filament. A limit switch is provided to limit this bodily rotation of the motor; and upon actuation of the limit switch, the motor is withdrawn from the spindle, thereby interrupting the spindle drive and releasing the torque that was applied by the filament to the motor, whereupon the motor is rotated by the spring back to a rest position.
REFERENCES:
patent: 1043788 (1912-11-01), Petersen
patent: 3036785 (1962-05-01), Rossi
patent: 3318623 (1967-05-01), Barroso
patent: 3377676 (1968-04-01), Furst
patent: 3700249 (1972-10-01), Allam
patent: 4003290 (1977-01-01), Haehnel et al.
patent: 4056243 (1977-11-01), Bilodeau
patent: 4188053 (1980-02-01), Pujol
patent: 4292879 (1981-10-01), Kokubun
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