GB336842A - - Google Patents

Info

Publication number
GB336842A
GB336842A GB35497/29A GB3549729A GB336842A GB 336842 A GB336842 A GB 336842A GB 35497/29 A GB35497/29 A GB 35497/29A GB 3549729 A GB3549729 A GB 3549729A GB 336842 A GB336842 A GB 336842A
Authority
GB
United Kingdom
Prior art keywords
jaw
sheet
edge
plate
hoh
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
GB35497/29A
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.)
JOACHIM HAHNE
Original Assignee
JOACHIM HAHNE
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 JOACHIM HAHNE filed Critical JOACHIM HAHNE
Publication of GB336842A publication Critical patent/GB336842A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G03B27/6214—Copy boards

Abstract

336,842. Hoh, R., Hoh, W., Keller, K. and Hahne, J. July 8, 1929, [Convention date]. Enlarging, copying, and reducing.-A holder for supporting the original or copy sheet comprises a slotted plate a as of metal, to which the sheet k is attached by clips having jaws d, h, the jaw d being passed through a slot adjacent to one edge of the sheet, so that the sheet may be held against the front of the plate by pressure of the jaw h on its edge, while the jaw d rests against the back of the plate. The slots bare oppositely inclined in adjacent rows. The jaw d of the clip has a cylindrical shank d<1> which rests in the slot through which the jaw has been passed, and allows rotation of the clip to bring the other jaw h over the edge of the sheet. The jaws are carried by arms m pivoted at g, and are forced together as by a spring f or by screw means. Preferably the jaw h is broader than the jaw d.
GB35497/29A 1929-07-08 1929-11-20 Expired GB336842A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE336842T 1929-07-08

Publications (1)

Publication Number Publication Date
GB336842A true GB336842A (en) 1930-10-23

Family

ID=31894973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35497/29A Expired GB336842A (en) 1929-07-08 1929-11-20

Country Status (1)

Country Link
GB (1) GB336842A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799205A (en) * 1955-07-22 1957-07-16 Chance Vought Aircraft Inc Copyboard adapter for flexible transparent drawings
GB2136596A (en) * 1983-03-16 1984-09-19 Lemare Smith And Simmons Limit Carrier sheet for holding sheet material
US4483612A (en) * 1982-04-23 1984-11-20 Gretag Aktiengesellschaft Device to position a copy master in a copying apparatus
US5258807A (en) * 1992-06-30 1993-11-02 Eastman Kodak Company Multiformat film clamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799205A (en) * 1955-07-22 1957-07-16 Chance Vought Aircraft Inc Copyboard adapter for flexible transparent drawings
US4483612A (en) * 1982-04-23 1984-11-20 Gretag Aktiengesellschaft Device to position a copy master in a copying apparatus
GB2136596A (en) * 1983-03-16 1984-09-19 Lemare Smith And Simmons Limit Carrier sheet for holding sheet material
US5258807A (en) * 1992-06-30 1993-11-02 Eastman Kodak Company Multiformat film clamp

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