Apparatus for forming a reserve winding on a yarn spool

Details Apparatus for forming a reserve winding on a yarn spool Apparatus for forming a reserve winding on a yarn spool

1974-06-26

1976-08-17

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 18DD, 242 19, B65H 5402

Patent

active

039749720

ABSTRACT:
A thread-control tool has a notch for receiving a yarn stretch and holding it between the jaws of a cutter having a fixed blade and a movable blade on one arm of a bell crank. When a full spool is removed, the supply yarn stretch is seized by a thread-holding notch in the tool, the thread is severed, and the supply stretch severed end is fed to a suction port to be held and tensioned while the full spool is exchanged for an empty spool core. The thread-control tool then seizes the thread stretch adjacent to the suction port and carries the thread to one end of the empty spool. A wedging element on the tool wedges apart the spool end and its end-supporting plate to form a slot and to insert a portion of the supply stretch into the slot. As the wedge is moved out of the slot, the slot closes and the thread is clamped. The thread beyond the clamped portion is severed, and the cut off end portion is carried away through the suction port. Rotation of the spool core effects a few reserve turns until the thread is inserted in the traversing thread guide.

REFERENCES:
patent: 2481031 (1949-09-01), McDermott
patent: 2706089 (1955-04-01), Griset, Jr.
patent: 2870971 (1959-01-01), Keith
patent: 3030039 (1962-04-01), Roberts
patent: 3224692 (1965-12-01), Nugent
patent: 3374961 (1968-03-01), Otsuka et al.
patent: 3672582 (1972-06-01), Allam et al.
patent: 3690576 (1972-09-01), Schroeder
patent: 3791126 (1974-01-01), Kose et al.
patent: 3801030 (1974-04-01), Kobatake et al.
patent: 3816990 (1974-06-01), Hoffman et al.

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