GB431303A - Improvements in or relating to photographic roll film spools - Google Patents
Improvements in or relating to photographic roll film spoolsInfo
- Publication number
- GB431303A GB431303A GB2817834A GB2817834A GB431303A GB 431303 A GB431303 A GB 431303A GB 2817834 A GB2817834 A GB 2817834A GB 2817834 A GB2817834 A GB 2817834A GB 431303 A GB431303 A GB 431303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slot
- edges
- tongues
- limbs
- tube
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/28—Locating light-sensitive material within camera
- G03B17/30—Locating spools or other rotatable holders of coiled film
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/26—Holders for containing light-sensitive material and adapted to be inserted within the camera
- G03B2217/261—Details of spools
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Fishing Rods (AREA)
Abstract
431,303. Photographic roll-film spools. SCHWARZ, P., 3, Diekerstrasse, Barmen, Wuppertal, Germany. Oct. 2, 1934, No. 28178. [Class 98 (i)] A spool made of sheet material and having guide walls of sheet material inserted into the tube of the spool for guiding the backing strip is characterized in that the guide walls engage the outlet slot of the tube. As shown, the U-shaped guide member d, d, f, is inserted through the outlet slot c of the tube a, tongues v being formed on the transverse edges of the slot c. The edges w of the limbs d are bent outwardly. In modifications the tongues v may be omitted and the free ends of the limbs d outwardly bent and circularly curved. The longitudinal edges of the slots band c and the transverse edges of the slot c may be bent inwardly, and tongues y may be provided at the edges of the slot b. Tongues may be provided at the ends of the portion f. The limbs d may be provided with bulges engaging the longitudinal edges of the slot c. The free ends of the limbs d may be bent outwardly round the edges of the slot b. The free ends of the guide member may engage the outlet slot and the portion f the inlet slot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2817834A GB431303A (en) | 1934-10-02 | 1934-10-02 | Improvements in or relating to photographic roll film spools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2817834A GB431303A (en) | 1934-10-02 | 1934-10-02 | Improvements in or relating to photographic roll film spools |
Publications (1)
Publication Number | Publication Date |
---|---|
GB431303A true GB431303A (en) | 1935-07-04 |
Family
ID=10271518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2817834A Expired GB431303A (en) | 1934-10-02 | 1934-10-02 | Improvements in or relating to photographic roll film spools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB431303A (en) |
-
1934
- 1934-10-02 GB GB2817834A patent/GB431303A/en not_active Expired
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