CA952887A - Film feed mechanism for moving the film in normal and reverse directions - Google Patents

Film feed mechanism for moving the film in normal and reverse directions

Info

Publication number
CA952887A
CA952887A CA129,531A CA129531A CA952887A CA 952887 A CA952887 A CA 952887A CA 129531 A CA129531 A CA 129531A CA 952887 A CA952887 A CA 952887A
Authority
CA
Canada
Prior art keywords
film
normal
moving
feed mechanism
reverse directions
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
CA129,531A
Other versions
CA129531S (en
Inventor
Hiroshi Yamada
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of CA952887A publication Critical patent/CA952887A/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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films
    • G03B21/113—Handling roll films
    • 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)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Projection-Type Copiers In General (AREA)
CA129,531A 1970-12-21 1971-12-07 Film feed mechanism for moving the film in normal and reverse directions Expired CA952887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11604870A JPS546891B1 (en) 1970-12-21 1970-12-21

Publications (1)

Publication Number Publication Date
CA952887A true CA952887A (en) 1974-08-13

Family

ID=14677403

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129,531A Expired CA952887A (en) 1970-12-21 1971-12-07 Film feed mechanism for moving the film in normal and reverse directions

Country Status (5)

Country Link
US (1) US3771745A (en)
JP (1) JPS546891B1 (en)
CA (1) CA952887A (en)
DE (1) DE2162624C3 (en)
GB (1) GB1373240A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702434A (en) * 1986-05-19 1987-10-27 Roger Brauer Tape cassette arrangement
US5823454A (en) * 1996-06-26 1998-10-20 Eastman Kodak Company Film transport apparatus
US9879737B2 (en) 2015-12-07 2018-01-30 International Business Machines Corporation Interlock braking system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705599A (en) * 1950-04-29 1955-04-05 Houston Fearless Corp Reel clutch
US3235197A (en) * 1961-06-06 1966-02-15 Western Union Telegraph Co Motor driven tape scanner and rewinder

Also Published As

Publication number Publication date
DE2162624C3 (en) 1979-04-05
US3771745A (en) 1973-11-13
DE2162624B2 (en) 1978-08-10
DE2162624A1 (en) 1972-06-29
JPS546891B1 (en) 1979-04-02
GB1373240A (en) 1974-11-06

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