(under the class definition) Subject matter including means to facilitate the insertion of a film strip in a motion picture device in a normal drive position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, for sound accompanied motion picture devices with plural sound transducers or transcription devices which are selected by threading different film paths.
203, for projectors with auxiliary light sources to illuminate the drive elements during the threading operation.
229+, for motion picture gates which are adjustable to an open position for film insertion or extraction.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length, 91+, for sheet material threading devices generally.
