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GB419809A - A device for winding cinematograph films - Google Patents

A device for winding cinematograph films

Info

Publication number
GB419809A
GB419809A GB500233A GB500233A GB419809A GB 419809 A GB419809 A GB 419809A GB 500233 A GB500233 A GB 500233A GB 500233 A GB500233 A GB 500233A GB 419809 A GB419809 A GB 419809A
Authority
GB
United Kingdom
Prior art keywords
roller
film
driven
winding
spool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB500233A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FREDERIC BALLENCY
Original Assignee
FREDERIC BALLENCY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FREDERIC BALLENCY filed Critical FREDERIC BALLENCY
Priority to GB500233A priority Critical patent/GB419809A/en
Publication of GB419809A publication Critical patent/GB419809A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Friction Gearing (AREA)
  • Storage Of Harvested Produce (AREA)

Abstract

419,809. Kinematograph apparatus. BALLENCY, F., 41, Rue Ferrari, Marseilles, France. Feb. 17, 1933, No. 5002. Void [Abridged as open to inspection under Sect. 91 of the Acts, Aug. 18, 1933]. [Class 97 (i).] A take-up spool A is driven by a roller D bearing on the wound film, and carried by an arm mounted on a pivot B and pulled by a spring C. The roller is driven through an adjustable friction gear E at a peripheral speed slightly exceeding the linear velocity of the film. The pay-out spool may be braked by a roller pressed continually on the film roll.
GB500233A 1933-02-17 1933-02-17 A device for winding cinematograph films Expired GB419809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB500233A GB419809A (en) 1933-02-17 1933-02-17 A device for winding cinematograph films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB500233A GB419809A (en) 1933-02-17 1933-02-17 A device for winding cinematograph films

Publications (1)

Publication Number Publication Date
GB419809A true GB419809A (en) 1934-11-19

Family

ID=9787864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB500233A Expired GB419809A (en) 1933-02-17 1933-02-17 A device for winding cinematograph films

Country Status (1)

Country Link
GB (1) GB419809A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657871A (en) * 1953-11-03 Film reel drive mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657871A (en) * 1953-11-03 Film reel drive mechanism

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