Thrust cartridge filmstrip viewer

摘要

A filmstrip viewer is provided for viewing positive or negative images on filmstrips contained in so-called thrust film cartridges. The viewer has a film drive for advancing film from the thrust cartridge to a take-up spool for selectively advancing frame images into a frame viewing station for direct or projection viewing. Natural, or artificial illumination may be provided. Optional motorized or manual drives may be used to provide film advance and rewind functions. An interlocked loading door can prevent attempted removal of a cartridge prior to full rewinding of the filmstrip and, optionally, require a specific spool parking orientation prior to opening of the loading door.