GB303834A - Improvements in or relating to cinematographic apparatus - Google Patents

Improvements in or relating to cinematographic apparatus

Info

Publication number
GB303834A
GB303834A GB892/29A GB89229A GB303834A GB 303834 A GB303834 A GB 303834A GB 892/29 A GB892/29 A GB 892/29A GB 89229 A GB89229 A GB 89229A GB 303834 A GB303834 A GB 303834A
Authority
GB
United Kingdom
Prior art keywords
pulley
spring
winding
relating
arbor
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
GB892/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB303834A publication Critical patent/GB303834A/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
    • G03B1/00—Film strip handling
    • G03B1/02—Moving film strip by pull on end thereof
    • G03B1/04—Pull exerted by take-up spool
    • G03B1/12—Pull exerted by take-up spool rotated by motor, e.g. spring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

303,834. Bogopolsky, J. Jan. 10, 1928, [Convention date]. Kinematograph apparatus. - In winding devices for the spring motors of kinematograph cameras, comprising a pulley 2 mounted on the winding arbor 1, and connected thereto by a one-way clutch, the pulley and arbor being rotated to wind the spring by pulling a cord 3, and the pulley being returned to its original position, after winding, by means of a spring 5 connected at one end 7 to the pulley and at the other end 6 to the framework, the clutch comprises a ball ratchet 9.
GB892/29A 1928-01-10 1929-01-10 Improvements in or relating to cinematographic apparatus Expired GB303834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH303834X 1928-01-10

Publications (1)

Publication Number Publication Date
GB303834A true GB303834A (en) 1930-01-30

Family

ID=4491881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB892/29A Expired GB303834A (en) 1928-01-10 1929-01-10 Improvements in or relating to cinematographic apparatus

Country Status (1)

Country Link
GB (1) GB303834A (en)

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