Apparatus for holding cylindrical winding cores

Details Apparatus for holding cylindrical winding cores Apparatus for holding cylindrical winding cores

1976-07-13

1977-05-31

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

040264882

ABSTRACT:
Apparatus for holding cylindrical winding cores comprises a plurality of core holders and a plurality of friction collars are mounted alternately on a single hollow shaft under axial pressure, each of friction collars being allowed to be axially moved and constrained in rotation and each of said core holders having radial expansible means which are radially expanded by an air pressure supplied through the hollow shaft to come into pressure engagement with the inner surfaces of cylindrical winding cores disposed about core holders.

REFERENCES:
patent: 3010671 (1961-11-01), Brown
patent: 3053467 (1962-09-01), Gidge
patent: 3104074 (1963-09-01), Karr
patent: 3391878 (1968-07-01), Naccara

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