GB539058A - Improvements relating to sprocket pads of cinematograph machines - Google Patents
Improvements relating to sprocket pads of cinematograph machinesInfo
- Publication number
- GB539058A GB539058A GB968140A GB968140A GB539058A GB 539058 A GB539058 A GB 539058A GB 968140 A GB968140 A GB 968140A GB 968140 A GB968140 A GB 968140A GB 539058 A GB539058 A GB 539058A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sprocket
- frame
- pads
- improvements relating
- spring
- 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
- G03B1/00—Film strip handling
- G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Advancing Webs (AREA)
Abstract
539,058. Kinematograph apparatus. BRITISH THOMSON-HOUSTON CO., Ltd., and DAVIES, B. R. June 3, 1940, No. 9681. [Class 97 (i)] A movable frame 3, carrying a pressure pad 3a pulled into engagement with a sprocket 1 by a spring 9, carries also a lifting lever 5 on one end of a rotatable sprindle 6 carrying, at its other end, an eccentric pin 7 movable in a fixed slot 8 and engageable with a notch 10 in which it may be retained by the spring 9 when the frame is raised. The frame 3 may be mounted on a pivot 4, the slot 8 being then arcuate, and a roller 3b may be carried by the frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB968140A GB539058A (en) | 1940-06-03 | 1940-06-03 | Improvements relating to sprocket pads of cinematograph machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB968140A GB539058A (en) | 1940-06-03 | 1940-06-03 | Improvements relating to sprocket pads of cinematograph machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB539058A true GB539058A (en) | 1941-08-26 |
Family
ID=9876710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB968140A Expired GB539058A (en) | 1940-06-03 | 1940-06-03 | Improvements relating to sprocket pads of cinematograph machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB539058A (en) |
-
1940
- 1940-06-03 GB GB968140A patent/GB539058A/en not_active Expired
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