GB431303A - Improvements in or relating to photographic roll film spools - Google Patents

Improvements in or relating to photographic roll film spools

Info

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
Application number
GB2817834A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2817834A priority Critical patent/GB431303A/en
Publication of GB431303A publication Critical patent/GB431303A/en
Expired legal-status Critical Current

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.
GB2817834A 1934-10-02 1934-10-02 Improvements in or relating to photographic roll film spools Expired GB431303A (en)

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)

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