Film spool with separate keeper

Details Film spool with separate keeper Film spool with separate keeper

1989-11-27

1990-12-04

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7528

Patent

active

049747886

ABSTRACT:
A spool for a strip of film or other web material has a core and an elongate slot through the core for receiving an end portion of the strip. A separate keeper for retaining the end portion in the slot includes a first portion that is snapped into the slot and holds the end portion firmly against one surface of the slot. The keeper has a second portion that is engageable with the strip outside the slot for holding the strip against an arcuate portion of the core. The keeper can be latched in either a first position in which the keeper is partially inserted into the slot during insertion of the end portion into the slot, or a second position in which the keeper is fully inserted into the slot.

REFERENCES:
patent: 2940232 (1960-06-01), Wallace et al.
patent: 3506212 (1970-04-01), Wenskus
patent: 3921927 (1975-11-01), Esashi et al.
patent: 4290562 (1981-09-01), Sasaki et al.
patent: 4341358 (1982-07-01), Shoji
patent: 4786007 (1988-11-01), Schoettle
patent: 4809923 (1989-03-01), Adriaensen et al.
patent: 4852821 (1989-08-01), Harris et al.

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