Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-02-27
1979-03-13
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 72R, B65H 1702
Patent
active
041438299
ABSTRACT:
Apparatus for releasably securing or chucking a workpiece such as a roll of web material includes a rotatable member having a slot defined therein, with a rigid member or chuck blade pivotally mounted in the slot. Rotation of the workpiece in relation to the spindle pivots the rigid member and extends it so that the workpiece is wedged across the spindle and the rigid member.
REFERENCES:
patent: 3018977 (1962-01-01), Skallguist
patent: 3263938 (1966-08-01), Dalglish
patent: 3606187 (1971-09-01), Hahn
patent: 3910520 (1975-10-01), Musser
Martin Automatic Inc.
McCarthy Edward J.
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