GB1411426A - Strip drive mechanism - Google Patents
Strip drive mechanismInfo
- Publication number
- GB1411426A GB1411426A GB4629172A GB4629172A GB1411426A GB 1411426 A GB1411426 A GB 1411426A GB 4629172 A GB4629172 A GB 4629172A GB 4629172 A GB4629172 A GB 4629172A GB 1411426 A GB1411426 A GB 1411426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slider
- wheel
- film
- cam
- drive mechanism
- 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
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)
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
1411426 Cinamatography EASTMAN KODAK CO 6 Oct 1972 [6 Oct 1971] 46291/72 Heading G2E A film drive mechanism includes a drive wheel 5 coupled to a film take-up mechanism and a slider 13 which drives the wheel 5 with motion derived from face cam 3. The slider 13 moves leftwards (as viewed) by means of the cam 3 and rightwards urged by spring 9, the latter being the drive stroke to the wheel 5. Should the film be under such a tension that the wheel 5 will not turn further the slider 13 is prevented from moving rightwards by the engagement of the wheel 5 and pawl 12 until film tension is reduced. As shown the slider 13 may be guided by pin 10 in slot 11 and the slider may have a spring mounted cam rider 14.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19717137843 DE7137843U (en) | 1971-10-06 | 1971-10-06 | FILM REEL DRIVE OF A MOVEMENT CAMERA |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1411426A true GB1411426A (en) | 1975-10-22 |
Family
ID=6624315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4629172A Expired GB1411426A (en) | 1971-10-06 | 1972-10-06 | Strip drive mechanism |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE7137843U (en) |
FR (1) | FR2155488A5 (en) |
GB (1) | GB1411426A (en) |
HK (1) | HK25076A (en) |
-
1971
- 1971-10-06 DE DE19717137843 patent/DE7137843U/en not_active Expired
-
1972
- 1972-10-02 FR FR7234764A patent/FR2155488A5/fr not_active Expired
- 1972-10-06 GB GB4629172A patent/GB1411426A/en not_active Expired
-
1976
- 1976-04-29 HK HK25076A patent/HK25076A/en unknown
Also Published As
Publication number | Publication date |
---|---|
HK25076A (en) | 1976-05-07 |
DE7137843U (en) | 1972-06-15 |
FR2155488A5 (en) | 1973-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |