Light-tight film reel

Details Light-tight film reel Light-tight film reel

1987-01-06

1989-03-07

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 74, 242 741, B65H 7528

Patent

active

048099236

ABSTRACT:
A light-tight film reel which is positionable on a spindle having a driving connection for rotating said reel, comprising a cylindrical hub-core assembly which includes a central bore in the core for locating the reel on the spindle, at least one separate cavity isolated from the bore disposed between the bore and the periphery of the hub, at least one film threading axial slots in the hub periphery that communicates with the cavity and an axially displaceable film locking member fitting within the cavity.

REFERENCES:
patent: 1095723 (1914-05-01), Frisoli
patent: 1649470 (1926-11-01), Hayden
patent: 2107530 (1938-02-01), Goldberg
patent: 2946533 (1960-07-01), Johnston
patent: 3128959 (1964-04-01), Pelson
patent: 3220664 (1965-11-01), Whitnah
patent: 3715088 (1973-02-01), Rissberger
patent: 4213578 (1980-07-01), Katata

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