Drive-out assembly for microfilm.

摘要

A drive-out assembly to thread a film wound on a reel or in a coil 2 includes an arm 7 to swing into the cartridge and engage the film with a drive-out roller 8 which drives the film in an unwinding direction to drive the free end over a stripper member 10 urged against the film. The drive for the drive-out roller 8 includes a first drive gear 20 which rotates a driven gear 23 through an intermediate gear 21 to drive a shaft 19 having a drive gear 23 to drive the drive-out roller 8 through other intermediate gears 24, 8 min .