CA1025832A - Dual friction clutch for motion-picture projectors - Google Patents

Dual friction clutch for motion-picture projectors

Info

Publication number
CA1025832A
CA1025832A CA234,944A CA234944A CA1025832A CA 1025832 A CA1025832 A CA 1025832A CA 234944 A CA234944 A CA 234944A CA 1025832 A CA1025832 A CA 1025832A
Authority
CA
Canada
Prior art keywords
motion
friction clutch
picture projectors
dual friction
dual
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
CA234,944A
Other languages
English (en)
French (fr)
Inventor
Roberto Bencini
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
Application granted granted Critical
Publication of CA1025832A publication Critical patent/CA1025832A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/08—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially
    • F16D11/10—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially with clutching members movable only axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/08—Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Operated Clutches (AREA)
CA234,944A 1974-09-25 1975-09-08 Dual friction clutch for motion-picture projectors Expired CA1025832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27672/74A IT1022282B (it) 1974-09-25 1974-09-25 Frizione multipla per cineproiettori

Publications (1)

Publication Number Publication Date
CA1025832A true CA1025832A (en) 1978-02-07

Family

ID=11222102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,944A Expired CA1025832A (en) 1974-09-25 1975-09-08 Dual friction clutch for motion-picture projectors

Country Status (8)

Country Link
US (1) US4076109A (cs)
AT (1) AT347245B (cs)
CA (1) CA1025832A (cs)
CH (1) CH589864A5 (cs)
DE (1) DE2540970A1 (cs)
FR (1) FR2286408A1 (cs)
GB (1) GB1517798A (cs)
IT (1) IT1022282B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221284A (en) * 1978-04-03 1980-09-09 Hoffco Inc. Clutch and brake assembly for implement drive
FR2567224B1 (fr) * 1984-07-03 1986-12-05 Renault Dispositif d'embrayages pour vehicules automobiles
DE102008051544B4 (de) * 2008-10-14 2012-12-27 Continental Automotive Gmbh Spindeltrieb mit Verdrehsicherung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935454A (en) * 1927-04-08 1933-11-14 Raymond P Lansing Internal combustion engine
US2092447A (en) * 1933-05-09 1937-09-07 Fleischel Gaston Transmission control mechanism
US2521427A (en) * 1945-12-21 1950-09-05 Victor Animatograph Corp Spindle
US2675835A (en) * 1948-10-07 1954-04-20 Elmer C Kiekhaefer Transmission clutch for chain saws
US2709349A (en) * 1953-09-25 1955-05-31 John J Kuehn Locking device for power drive couplings
US2913885A (en) * 1957-02-15 1959-11-24 Debrie Andre Victor Le Clement Friction drive for photographic or cinematographic films and the like

Also Published As

Publication number Publication date
ATA717575A (de) 1978-04-15
CH589864A5 (cs) 1977-07-15
GB1517798A (en) 1978-07-12
AT347245B (de) 1978-12-11
US4076109A (en) 1978-02-28
FR2286408A1 (fr) 1976-04-23
IT1022282B (it) 1978-03-20
AU8470675A (en) 1977-03-17
DE2540970A1 (de) 1976-04-08
FR2286408B1 (cs) 1982-04-09

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