Device for doffing a bobbin

Details Device for doffing a bobbin Device for doffing a bobbin

1983-06-27

1984-06-12

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 18A, 242 18DD, 242 464, B65H 5444

Patent

active

044536771

ABSTRACT:
The invention relates to a device for doffing a bobbin clamped to a bobbin holder mounted on a pivot lever fitted to a winding housing. The bobbin is held by expanding clamping tongs which are tensioned, and opened, by means of a spring via a ram which is connected via a driver pin to a slider/thrust member system which, in conjunction with a brake disc and brake shoe arrangement, effects braking of the bobbin, when it is pivoted from the winding position into the doffing position. This purely mechanical method is simpler and less costly than conventional doffing methods with the inherent risk of accidents, faults and waste.

REFERENCES:
patent: 2622810 (1952-12-01), Stream et al.
patent: 2663507 (1953-12-01), Soussloff
patent: 3495781 (1970-02-01), Graf et al.
patent: 3498551 (1970-03-01), Briner et al.
patent: 3722807 (1973-03-01), Swinehart
patent: 3779472 (1973-12-01), Boggs
patent: 3823885 (1974-07-01), De Schulthess
patent: 3841574 (1974-10-01), Lenk et al.
patent: 4007884 (1977-02-01), Schippers et al.
patent: 4036446 (1977-07-01), Schar
patent: 4103833 (1978-08-01), Hasegawa et al.

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