GB1568389A - Slot load motion picture projector - Google Patents

Slot load motion picture projector Download PDF

Info

Publication number
GB1568389A
GB1568389A GB5276476A GB5276476A GB1568389A GB 1568389 A GB1568389 A GB 1568389A GB 5276476 A GB5276476 A GB 5276476A GB 5276476 A GB5276476 A GB 5276476A GB 1568389 A GB1568389 A GB 1568389A
Authority
GB
United Kingdom
Prior art keywords
projector
actuator
film
sprocket
plate
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
GB5276476A
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.)
Bell and Howell Co
Original Assignee
Bell and Howell 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
Priority claimed from US05/641,495 external-priority patent/US4037949A/en
Priority claimed from US05/641,683 external-priority patent/US4087165A/en
Priority claimed from US05/641,682 external-priority patent/US4033680A/en
Application filed by Bell and Howell Co filed Critical Bell and Howell Co
Publication of GB1568389A publication Critical patent/GB1568389A/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
    • G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Projection-Type Copiers In General (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
GB5276476A 1975-12-17 1976-12-17 Slot load motion picture projector Expired GB1568389A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/641,495 US4037949A (en) 1975-12-17 1975-12-17 Slot load projector
US05/641,683 US4087165A (en) 1975-12-17 1975-12-17 Film tension absorbing system
US05/641,682 US4033680A (en) 1975-12-17 1975-12-17 Rapid film rewind mechanism

Publications (1)

Publication Number Publication Date
GB1568389A true GB1568389A (en) 1980-05-29

Family

ID=27417676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5276476A Expired GB1568389A (en) 1975-12-17 1976-12-17 Slot load motion picture projector

Country Status (6)

Country Link
JP (1) JPS5274336A (enrdf_load_stackoverflow)
BR (1) BR7608251A (enrdf_load_stackoverflow)
DE (2) DE2657318C2 (enrdf_load_stackoverflow)
FR (1) FR2420782A3 (enrdf_load_stackoverflow)
GB (1) GB1568389A (enrdf_load_stackoverflow)
MY (2) MY8400387A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119300A (en) * 1961-02-13 1964-01-28 Saginaw Insurance Agency Motion picture projector
US3737220A (en) * 1971-05-24 1973-06-05 Graflex Inc Slot-load projector
US3734602A (en) * 1972-04-17 1973-05-22 Grafler Inc Slot load projector
US3848981A (en) * 1973-06-14 1974-11-19 Kalart Victor Corp Self-threading motion picture projector

Also Published As

Publication number Publication date
BR7608251A (pt) 1977-11-29
DE2657318A1 (de) 1977-07-28
JPS6127730B2 (enrdf_load_stackoverflow) 1986-06-26
MY8400387A (en) 1984-12-31
MY8600457A (en) 1986-12-31
DE2660999C2 (de) 1986-10-16
JPS5274336A (en) 1977-06-22
FR2420782A3 (fr) 1979-10-19
DE2657318C2 (de) 1987-03-12

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee