FP 25/30/50 DFilm Gate ComponentsIssue: 04/2011 293 2 11 Constant Speed SprocketsSprockets are designed to transport the film continuously. The teeth of the sprocketengage the perforations of the film. Both sprockets provide for equal loops before andafter the film gate.21345 21365 Feed sprocket / bottom or holdback sprocket Pad shoe with handle Ring nut with spring Film stripper Guide rollerÅ Hand wheel» The feed sprocket (left figure) pulls the film from the take-off friction or platter to thefilm gate.» The bottom sprocket (right figure) pulls the film out of the sound head and feeds itto the take-up friction or platter.» The pad shoe holds the film on the sprocket.» The film stripper prevents broken film from being wound up around the sprocket.» With the handle you can open the pad shoe to thread the film.
