Chuck for winding cores

Details Chuck for winding cores Chuck for winding cores

1988-09-06

1989-09-19

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 57, B65H 1804, B65H 1810

Patent

active

048673897

ABSTRACT:
A longitudinally movable chuck for winding cores onto which web-like material, such as paper etc., is wound is longitudinally movable by means of a motorized drive. The chuck includes a clamping core which grips into the winding core. The end face of the winding core is supported against a stop of the clamping core. The clamping core is longitudinally movable on a central part of the chuck. Between the central part and the clamping core a compression spring is located for exerting an axially acting clamping force on the winding core. The central part is provided with a switch which is actuable by the longitudinally shifted clamping core. The switch acts on the motorized drive to achieve a relatively precisely adjustable clamping force.

REFERENCES:
patent: 3381912 (1968-05-01), Huck
patent: 3881666 (1975-05-01), Greenhalgh
patent: 4358066 (1982-11-01), Deutsch et al.
patent: 4483493 (1984-11-01), Schonmeier
patent: 4697756 (1987-10-01), Kofler
patent: 4715553 (1987-12-01), Hatakeyama et al.

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