GB250183A - Improvements in or relating to means for storing and feeding long endless bands of flexible material - Google Patents
Improvements in or relating to means for storing and feeding long endless bands of flexible materialInfo
- Publication number
- GB250183A GB250183A GB3598/26A GB359826A GB250183A GB 250183 A GB250183 A GB 250183A GB 3598/26 A GB3598/26 A GB 3598/26A GB 359826 A GB359826 A GB 359826A GB 250183 A GB250183 A GB 250183A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band
- relating
- storing
- flexible material
- endless bands
- 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
- G03B21/321—Holders for films, e.g. reels, cassettes, spindles
- G03B21/323—Cassettes
- G03B21/325—Endless cassettes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
250,183. Rouiller, A. April 4, 1925, [Convention date]. Kinematograph apparatus. - A long flexible endless film or band is spirally coiled within a casing and has a loop portion extending between the outermost and innermost convolutions, means being provided for feeding the band. As shown, the band c has feed perforations and is fed by sprockets e, g through air-tight passages d, h into and out of a box having a cover b. Radial screw-threaded rods f are rotated by any suitable means i so that the bottoms of the threads have a circumferential velocity equal to the velocity imparted to the band by the sprocket.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR250183X | 1925-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB250183A true GB250183A (en) | 1926-07-22 |
Family
ID=8884012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3598/26A Expired GB250183A (en) | 1925-04-04 | 1926-02-08 | Improvements in or relating to means for storing and feeding long endless bands of flexible material |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB250183A (en) |
-
1926
- 1926-02-08 GB GB3598/26A patent/GB250183A/en not_active Expired
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