In the District Court of the United States, for the Eastern District of Pennsylvania, the United States of America, petitioner, vs. Motion Picture Patents Company, et al., defendants (1914)

Record Details:

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707,934: and accurately insure its feeding, which lastnamed devices respectively produce and take up slack in the film,and ail intermittently-acting device provided with teeth which engage 5 in holes in the film whereby it feeds the film across the exposure-opening. Q. The combination with devices which support tiie bulk of a flexible film and supply it for exposure and receive it after exposure, of 10 a positively -driven device entirely disconnected from the said film-supporting devices located between the film-supplying device and the exposure-window and which produces a loop of slack film, and an intermittently-act 15 ing device which engages with the film and feeds the slackened part of it across the exposure-window, and causes its period of rest to exceed it& period of movement. 7. Thecombination with devices adapted to 20 support the bulk of a flexible film and supplyit for exposure and receive it after exposure, of positively-driven toothed rotary devices located between and entirely disconnected from said supporting devices and at opposite sides 25 of the exposure-window, said toothed devices being adapted to carry and feed the flexible film fay the engagement of their teeth with oqually-spaced holes made in the edges of the £lm and to respectively produce and take up 30 slack in the film, and an intermittently-acting rotary feeding device also provided with teeth which engage with the holes in the film, whereby the film is intermittently fed across the exposure-opening. 35 8. The combination with two reels which support the bulk of a flexible film, one of which supplies it for exposure and the other receives it» after exposure,. of a positivelydriven device separate and distinct from the 40 .said reels and located between the supplyreel and the exposure-window and which produces a loopof slack film, and an intermittently acting device likewise positively driven which moves the film picture by pic 45 tu re into the optical axis at the exposure-window and causes each picture to remain mo: mentarily at rest in the optical axis. 0. The combination with two rotary reels which support tho bulk of a flexible film, (mc of which supplies tho film for exposure and 5c the other coils it up after exposure, of two rotary feeding mechanisms located between said reels and separate and distinct from them, one constructed to feed the film intermittently and cause it to move picture by picture across 55 the axis of the lens and to come to rest in said axis, the other constructed to feed the film continuously and uniformly and thus provide a constant supply of slack film and gearing positively connecting the said two feeding 6o mechanisms for maintaining a fixed relation between them. 1Q. The combination with two rotary reels adapted to support the bulk of a flexible film, one of which supplies the film for exposure 65 and the other receives it after exposure, of two toothed rotary feeding-rollers located between said film-supporting reels and separate and distinct therefrom and adapted to carry and feed the film by the engagementof their 70 teeth with equally-spaced holes in the edges of the film, actuating mechanism and connecting-gearing between said feeding-rollers which'positively actuates one of the feedingrollers so as to feed the film intermittently and 75 'cause its -interval of rest to exceed its interval of motion and which positively actuates also the other feeding roller continuously and thus provides a constant supply of slack film. 80 11. The combination with the main shaft provided with a broken gear mounted in eccentric bearings and a feed-drum whose shaft is provided with a broken gear which meshes with the first-named broken gear, of means 85 for. adjusting said bearings to regulate the contact between said gears. Signed at New York, in tho county and State of New York, this 25th day of May, 1890. WOODVILLE LATHAM. Witnesses: J. E. M. BQWEN, Alexis C. Smith.