Film viewer

Claim 1

A film viewer comprising a housing front wall, a peripheral housing side wall extending about and rearwardly from said front wall, a housing rear wall swingably connected to and extending in closing relation with the rear of said side wall, a front viewing window in said housing front wall, a rear lamp in said housing carried by said rear wall and visually accessible through said viewing window, a generally flat film holder located in position between said window and lamp for illuminated presentation through said window, and rotary spools carried by said holder on opposite sides thereof for rotatably supporting coiled end portions of film extending through said holder, said holder and spools combining to define a film carrying cartridge removable and replaceable upon opening of said rear housing wall, whereby said spools are selectively wound and unwound for viewing a selected film portion, a pair of rotatable finger-actuable wheels mounted in said housing walls, and direct axial drive means on each of said wheels for direct axial interfitting engagement with respective spools and rotatable therewith, said wheels being at least partially exposed exteriorly of said housing walls for finger rotation to shift film in opposite directions in said holder, lens means on said window to facilitate viewing, said window and lens means being larger than said film holder, and a convergent light passageway extending between said lens means and holder, and internal guide walls within said housing side wall conformably engaging said cartridge to locate said spools in said direct axial interfitting engagement with said wheels.