Winder having winder shaft extraction device

Details Winder having winder shaft extraction device Winder having winder shaft extraction device

1982-02-23

1984-02-14

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 586, 414669, B65H 1930, B65H 2522, B65H 3502

Patent

active

044311427

ABSTRACT:
A winder wherein, following completion of the winding operation, a roll receiver is moved from a standby position to a position under the completed sheet roll or rolls and the winding shaft used to wind the roll or rolls is then extracted to free the rolls for removal from the winder. Additionally, the winder is provided with a supply tension control for changing the tension in the web from that in the operation of unwinding the sheet from the web roll to a tension better suited for the winding operation, a winding torque adjuster which adjusts the winding torque by increasing the friction between the winding shaft and the winding core by regulating the air pressure within the hollow center of the winding shaft, and a winding core locking mechanism whereby the winding core is locked in place by spheres provided on the outer surface of a large number of core supporting collars fitted on the winding shaft.

REFERENCES:
patent: 2736507 (1956-02-01), Neese et al.
patent: 3416051 (1968-12-01), Pinto et al.
patent: 3481499 (1969-12-01), Pierson et al.
patent: 3690583 (1972-09-01), Herman
patent: 4022392 (1977-05-01), Thomas et al.

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