Core holder for a winder

Details Core holder for a winder Core holder for a winder

1982-04-05

1984-11-20

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 684, B65H 1702

Patent

active

044834934

ABSTRACT:
In a machine for the centerless winding of webs (2), including support cylinders (3), a holder (4) for a core on which the web is to be wound, a motor-driven spindle (11) for the axial displacement of the core holder rotatably mounted on a shaft (5) displaceable in a guide (8), (9), and means for limiting the axial length of travel of the core holder, the improvement wherein said travel limiting means includes a control shaft (15) coupled with the drive motor (12) through a step-down gearing (14), (16), a slip coupling (18), (19), (20), trippers (23), (24), for limit switches (25), (26), associated with the drive motor, and a cam (21) in whose path an abutment (22) is disposed, the step-down gearing (14), (16), having such a ratio that no more than one full rotation of the control shaft (15) corresponds to the predetermined length of travel. Thereby even after resetting the winder to a web of different width there will still be the same limits on the axial length of travel of the core holder when replacing cores.

REFERENCES:
patent: 2672198 (1954-03-01), Jones et al.
patent: 2672299 (1954-03-01), Jones
patent: 2741440 (1956-04-01), Sutherland
patent: 3222005 (1965-12-01), Wendelken
patent: 3232547 (1966-02-01), Theide et al.
patent: 4366932 (1983-01-01), Focke

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