CA934728A - Film reel support assembly for projectors - Google Patents

Film reel support assembly for projectors

Info

Publication number: CA934728A
Authority: CA; Canada
Prior art keywords: projectors; support assembly; reel support; film reel; film
Prior art date: 1970-04-13
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

CA109489A

Other languages

English (en)

Other versions

CA109489S (en

Inventor

E. Nupnau Arthur

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.)

1970-04-13

Filing date

1971-04-02

Publication date

1973-10-02

1971-04-02 Application filed by Bell and Howell Co filed Critical Bell and Howell Co

1973-10-02 Application granted granted Critical

1973-10-02 Publication of CA934728A publication Critical patent/CA934728A/en

Status 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
- G03B21/321—Holders for films, e.g. reels, cassettes, spindles
- G03B21/323—Cassettes

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Replacement Of Web Rolls (AREA)
Photographic Developing Apparatuses (AREA)
Basic Packing Technique (AREA)
Unwinding Webs (AREA)

CA109489A 1970-04-13 1971-04-02 Film reel support assembly for projectors Expired CA934728A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US2755170A	1970-04-13	1970-04-13

Publications (1)

Publication Number	Publication Date
CA934728A true CA934728A (en)	1973-10-02

Family

ID=21838377

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA109489A Expired CA934728A (en)	1970-04-13	1971-04-02	Film reel support assembly for projectors

Country Status (11)

Country	Link
US (1)	US3724775A (de)
AT (1)	AT305774B (de)
BE (1)	BE765502A (de)
BR (1)	BR7102145D0 (de)
CA (1)	CA934728A (de)
CH (1)	CH530651A (de)
DE (1)	DE2116775A1 (de)
ES (1)	ES194297Y (de)
FR (1)	FR2089403A5 (de)
GB (1)	GB1283017A (de)
NL (1)	NL7104903A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3992088A (en) *	1975-05-05	1976-11-16	Blanke William C	Blankette projector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3168993A (en) *	1962-04-25	1965-02-09	Cie D Applic Mechaniques A L E	Film selecting and projecting devices
US3383156A (en) *	1965-03-19	1968-05-14	Fried	Automatic film cartridge selecting and display unit

1970
- 1970-04-13 US US00027551A patent/US3724775A/en not_active Expired - Lifetime
1971
- 1971-04-02 CA CA109489A patent/CA934728A/en not_active Expired
- 1971-04-06 DE DE19712116775 patent/DE2116775A1/de active Pending
- 1971-04-08 FR FR7112499A patent/FR2089403A5/fr not_active Expired
- 1971-04-08 BE BE765502A patent/BE765502A/xx unknown
- 1971-04-09 AT AT305671A patent/AT305774B/de not_active IP Right Cessation
- 1971-04-12 ES ES1971194297U patent/ES194297Y/es not_active Expired
- 1971-04-12 BR BR2145/71A patent/BR7102145D0/pt unknown
- 1971-04-13 CH CH527871A patent/CH530651A/fr not_active IP Right Cessation
- 1971-04-13 NL NL7104903A patent/NL7104903A/xx unknown
- 1971-04-19 GB GB25991/71A patent/GB1283017A/en not_active Expired

Also Published As

Publication number	Publication date
AT305774B (de)	1973-03-12
NL7104903A (de)	1971-10-15
GB1283017A (en)	1972-07-26
US3724775A (en)	1973-04-03
ES194297Y (es)	1975-03-16
BE765502A (fr)	1971-08-30
BR7102145D0 (pt)	1973-04-26
DE2116775A1 (de)	1972-01-05
CH530651A (fr)	1972-11-15
FR2089403A5 (de)	1972-01-07
ES194297U (es)	1974-12-01

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