GB506417A - Improvements in hand cameras for motion pictures - Google Patents

Improvements in hand cameras for motion pictures

Info

Publication number
GB506417A
GB506417A GB23317/37A GB2331737A GB506417A GB 506417 A GB506417 A GB 506417A GB 23317/37 A GB23317/37 A GB 23317/37A GB 2331737 A GB2331737 A GB 2331737A GB 506417 A GB506417 A GB 506417A
Authority
GB
United Kingdom
Prior art keywords
spring
pinion
teeth
barrel
motion pictures
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
GB23317/37A
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.)
EMEL Sarl ETS
Original Assignee
EMEL Sarl ETS
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 EMEL Sarl ETS filed Critical EMEL Sarl ETS
Publication of GB506417A publication Critical patent/GB506417A/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)
  • Accessories Of Cameras (AREA)

Abstract

506,417. Spring motors for kinematograph cameras. ETABLISSEMENTS EMEL SOC. A.R.L. Aug. 25, 1937. No. 23317. Void. Convention date, Sept. 12, 1936. [Class 10] [Also in Group XX] In a spring, motor for a kinematograph camera of the kind provided with a stop device for locking the spring barrel 2 at points before the spring is fully wound and fully unwound, the stop mechanism comprises two pinions 15, 16 having different numbers of teeth and respectively keyed to the winding shaft 3 and freely mounted on a shaft 17 secured to the barrel 2, the pinion 16 being formed with one long tooth a while the pinion 15 has one recess b between teeth shallower than the others.
GB23317/37A 1936-09-12 1937-08-25 Improvements in hand cameras for motion pictures Expired GB506417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506417X 1936-09-12

Publications (1)

Publication Number Publication Date
GB506417A true GB506417A (en) 1939-05-26

Family

ID=8909142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23317/37A Expired GB506417A (en) 1936-09-12 1937-08-25 Improvements in hand cameras for motion pictures

Country Status (1)

Country Link
GB (1) GB506417A (en)

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