Expanding roll core spindle

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

Patent

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Details

B65H 7524

Patent

active

051656205

ABSTRACT:
A pair of mount rings are mounted upon a tubular body of a roll core spindle in axially spaced relation and have a plurality of elongated spacing members disposed and secured between corresponding peripheral portions of the rings. A conical sleeve wedge is slidably mounted upon the tubular body between the mount rings and a plurality of shoes are mounted between the rings and spaced circumferentially thereabout outwardly of the conical wedge sleeve for movement between radial innermost and radial outermost limit positions, the shoes including grooved rollers journaled therefrom for rolling engagement with the conical wedge sleeve. The tubular body is provided with diametrically opposite radial slots through which an operator extending diametrically of the tubular body has its opposite ends slidingly received and opposite ends of the operator are anchored to the wedge sleeve and force generating structure disposed within the tubular body is operatively connected to the operator for the wedge sleeve and is operable to effect longitudinal shifting of the wedge sleeve along the tubular body.

REFERENCES:
patent: 533451 (1895-02-01), Farnsworth
patent: 1668990 (1928-05-01), Tromblay
patent: 1907896 (1933-05-01), Summey
patent: 1920203 (1933-08-01), Larsen
patent: 2241669 (1941-05-01), McConnell
patent: 3079102 (1963-02-01), Douglas
patent: 3552673 (1971-01-01), Evers
patent: 3675866 (1972-07-01), Lemke et al.
patent: 3823892 (1974-07-01), Glaser
patent: 4403938 (1983-09-01), Seach et al.
patent: 4643658 (1987-02-01), Gordon

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