Expandable internal chuck

Winding – tensioning – or guiding – Coil holder or support – Spool or core

Patent

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Details

242 72R, 279 6, B65H 7524

Patent

active

041067207

ABSTRACT:
A expandable internal chuck for holding an item is disclosed and has an internal hub adopted to be mounted on a machine, a hub bearing having an axis at an acute oblique angle to the axis of the hub, a sleeve rotatably mounted on the hub bearing and having an internal journal positioned at an acute oblique angle to a sleeve exterior surface, the sleeve is rotatable on the hub bearing from a first position in which the sleeve exterior is concentric to the hub axis to a second position in which the sleeve exterior is at an acute oblique angle to the hub axis and in which the chuck is expanded; also disclosed is a detent and stop mechanism for aligning the sleeve with the hub.

REFERENCES:
patent: 1673444 (1928-06-01), Derry
patent: 1960227 (1934-05-01), Krissiep
patent: 2920894 (1960-01-01), Kreinick
patent: 3419227 (1968-12-01), Werkmeister et al.
patent: 3768749 (1973-10-01), Fredrickson

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