GB1354715A - Film advancing mechanism - Google Patents

Film advancing mechanism

Info

Publication number
GB1354715A
GB1354715A GB4557471A GB4557471A GB1354715A GB 1354715 A GB1354715 A GB 1354715A GB 4557471 A GB4557471 A GB 4557471A GB 4557471 A GB4557471 A GB 4557471A GB 1354715 A GB1354715 A GB 1354715A
Authority
GB
United Kingdom
Prior art keywords
film
guide
walls
wheel
force
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
GB4557471A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1354715A publication Critical patent/GB1354715A/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
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
    • 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)
  • Advancing Webs (AREA)
  • Projection-Type Copiers In General (AREA)
GB4557471A 1970-10-01 1971-09-30 Film advancing mechanism Expired GB1354715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7720670A 1970-10-01 1970-10-01

Publications (1)

Publication Number Publication Date
GB1354715A true GB1354715A (en) 1974-06-05

Family

ID=22136681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4557471A Expired GB1354715A (en) 1970-10-01 1971-09-30 Film advancing mechanism

Country Status (4)

Country Link
US (1) US3677455A (enExample)
DE (1) DE2148656A1 (enExample)
FR (1) FR2109885A5 (enExample)
GB (1) GB1354715A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767098A (en) * 1972-01-06 1973-10-23 Monarch Marking Systems Inc Printing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR36072E (fr) * 1928-11-02 1930-04-19 Thomson Houston Comp Francaise Perfectionnements aux systèmes d'entraînement des films
US1997409A (en) * 1931-03-05 1935-04-09 Rca Corp Automatic film threading motion picture machine
US3165250A (en) * 1962-01-31 1965-01-12 Eastman Kodak Co Film flex pulldown system
US3561655A (en) * 1968-05-18 1971-02-09 Sankyo Kogaku Kk Movie film feed control device

Also Published As

Publication number Publication date
US3677455A (en) 1972-07-18
FR2109885A5 (enExample) 1972-05-26
DE2148656A1 (de) 1972-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee