Light-tight film reel

摘要

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.