Expandable chuck for winding web material on a core

Details Expandable chuck for winding web material on a core Expandable chuck for winding web material on a core

1976-11-18

1978-03-21

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 682, B65H 7518

Patent

active

040798968

ABSTRACT:
An expandable chuck is attached to a rotating mandrel by means of a locking ring. The chuck includes arbor and shoe segments in camming relationship whereby relative movement is effective for increasing the effective diameter of the shoe segments. A core upon which a web material is to be wound is placed over the shoe segments which are then extended by rotation of an adjusting nut to secure the core to the shoe segments. For high torque applications a pair of chucks may be employed.

REFERENCES:
patent: 533451 (1895-02-01), Farnsworth
patent: 1016738 (1912-02-01), Curry
patent: 1525751 (1925-02-01), Lamotte
patent: 2113701 (1938-04-01), Mayer
patent: 2942892 (1960-06-01), Nelson
patent: 2952418 (1960-09-01), Rice
patent: 3881666 (1975-05-01), Greenhalgh

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