FR2287834A7 - Organes de transmission par friction pour appareils de projection cinematographiques - Google Patents

Organes de transmission par friction pour appareils de projection cinematographiques

Info

Publication number
FR2287834A7
FR2287834A7 FR7530493A FR7530493A FR2287834A7 FR 2287834 A7 FR2287834 A7 FR 2287834A7 FR 7530493 A FR7530493 A FR 7530493A FR 7530493 A FR7530493 A FR 7530493A FR 2287834 A7 FR2287834 A7 FR 2287834A7
Authority
FR
France
Prior art keywords
wheel
driving wheel
driven
domed
friction clutch
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
FR7530493A
Other languages
English (en)
Inventor
Herbert Tummel
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR2287834A7 publication Critical patent/FR2287834A7/fr
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
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/26—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution
    • F16H15/28—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution with external friction surface
    • 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)
  • Friction Gearing (AREA)
FR7530493A 1974-10-05 1975-10-06 Organes de transmission par friction pour appareils de projection cinematographiques Expired FR2287834A7 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7433537 1974-10-05

Publications (1)

Publication Number Publication Date
FR2287834A7 true FR2287834A7 (fr) 1976-05-07

Family

ID=6646900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530493A Expired FR2287834A7 (fr) 1974-10-05 1975-10-06 Organes de transmission par friction pour appareils de projection cinematographiques

Country Status (2)

Country Link
CH (1) CH579729A5 (fr)
FR (1) FR2287834A7 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107128483A (zh) * 2017-05-12 2017-09-05 四川建筑职业技术学院 一种动力冗余设计的四旋翼无人机及其传动变速结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107128483A (zh) * 2017-05-12 2017-09-05 四川建筑职业技术学院 一种动力冗余设计的四旋翼无人机及其传动变速结构

Also Published As

Publication number Publication date
CH579729A5 (fr) 1976-09-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse