Expandable chuck

Details Expandable chuck Expandable chuck

1974-06-20

1976-08-03

Christian, Leonard D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

279 2A, B65H 7518

Patent

active

039724883

ABSTRACT:
An expandable chuck for rotatably supporting a longitudinal roll, such as a tissue supply roll for a folding machine, having a hollow cylindrical core. Pneumatically inflatable tube members are mounted on spaced wheel members, which are in turn mounted on a cylindrical sleeve rotatably mounted on a support shaft. The tube members are pneumatically interconnected and the chuck is fully controllable from either end for insertion in or removal from the core of a roll by valve and vent means adjacent each end of the chuck.

REFERENCES:
patent: 2289453 (1942-07-01), Randall
patent: 2583117 (1952-01-01), Piperoux et al.
patent: 2876961 (1959-03-01), Cole et al.
patent: 3458150 (1969-07-01), Cowan
patent: 3510082 (1970-05-01), Sexton et al.

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