GB469560A - Improvements in or relating to cinematographic film spools - Google Patents
Improvements in or relating to cinematographic film spoolsInfo
- Publication number
- GB469560A GB469560A GB2533/36A GB253336A GB469560A GB 469560 A GB469560 A GB 469560A GB 2533/36 A GB2533/36 A GB 2533/36A GB 253336 A GB253336 A GB 253336A GB 469560 A GB469560 A GB 469560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spool
- openings
- spindle
- spindles
- relating
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
469,560. Kinematograph apparatus. 1. G. FARBENINDUSTRIE AKT.-GES. Jan. 27, 1936, No. 2533. Convention date, Feb. 21, 1935. [Class 97 (i)] A resilient obstruction member is provided in the spindle hole of a kinematograph film spool, and yields to permit mounting of the spool in correct lateral position, but prevents the possibility of mounting it in incorrect lateral position ; a plurality of such members may be provided to permit only the passage from one side of spindles having particular cross sections, and, from the other side, spindles of other cross sections. As shown, a resilient tongue c is secured to one side plate a of the spool to extend between spindle openings b. The openings b may be square or round ; the spindle for use with round openings may have a flattened side. The member c may be secured within a spool core.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE469560X | 1935-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB469560A true GB469560A (en) | 1937-07-27 |
Family
ID=6541031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2533/36A Expired GB469560A (en) | 1935-02-21 | 1936-01-27 | Improvements in or relating to cinematographic film spools |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB469560A (en) |
-
1936
- 1936-01-27 GB GB2533/36A patent/GB469560A/en not_active Expired
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