FR2312796A1 - Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule - Google Patents

Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule

Info

Publication number
FR2312796A1
FR2312796A1 FR7517505A FR7517505A FR2312796A1 FR 2312796 A1 FR2312796 A1 FR 2312796A1 FR 7517505 A FR7517505 A FR 7517505A FR 7517505 A FR7517505 A FR 7517505A FR 2312796 A1 FR2312796 A1 FR 2312796A1
Authority
FR
France
Prior art keywords
friction
drive
reel
friction surface
drive spindle
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.)
Granted
Application number
FR7517505A
Other languages
English (en)
French (fr)
Other versions
FR2312796B1 (enrdf_load_stackoverflow
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.)
BENCINI SpA
Original Assignee
BENCINI SpA
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 BENCINI SpA filed Critical BENCINI SpA
Priority to FR7517505A priority Critical patent/FR2312796A1/fr
Publication of FR2312796A1 publication Critical patent/FR2312796A1/fr
Application granted granted Critical
Publication of FR2312796B1 publication Critical patent/FR2312796B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
FR7517505A 1975-05-29 1975-05-29 Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule Granted FR2312796A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7517505A FR2312796A1 (fr) 1975-05-29 1975-05-29 Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517505A FR2312796A1 (fr) 1975-05-29 1975-05-29 Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule

Publications (2)

Publication Number Publication Date
FR2312796A1 true FR2312796A1 (fr) 1976-12-24
FR2312796B1 FR2312796B1 (enrdf_load_stackoverflow) 1982-04-02

Family

ID=9156079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517505A Granted FR2312796A1 (fr) 1975-05-29 1975-05-29 Dispositif d'entrainement a friction pour bobines cinematographiques utilisees particulierement dans les projecteurs sans rouleaux dentes d'entrainement de la pellicule

Country Status (1)

Country Link
FR (1) FR2312796A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2312796B1 (enrdf_load_stackoverflow) 1982-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse