GB895570A - Improvements in and relating to transparency holders or slides - Google Patents

Improvements in and relating to transparency holders or slides

Info

Publication number
GB895570A
GB895570A GB4456960A GB4456960A GB895570A GB 895570 A GB895570 A GB 895570A GB 4456960 A GB4456960 A GB 4456960A GB 4456960 A GB4456960 A GB 4456960A GB 895570 A GB895570 A GB 895570A
Authority
GB
United Kingdom
Prior art keywords
transparency
frame
recess
edges
flanges
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
GB4456960A
Inventor
Walter Richard Skuse
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.)
Walter R Skuse & Partners Ltd
Original Assignee
Walter R Skuse & Partners Ltd
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 Walter R Skuse & Partners Ltd filed Critical Walter R Skuse & Partners Ltd
Priority to GB4456960A priority Critical patent/GB895570A/en
Publication of GB895570A publication Critical patent/GB895570A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Abstract

895,570. Transparency holders. SKUSE & PARTNERS Ltd., WALTER R. Dec. 29, 1960, No. 44569/60. Class 98(2). A transparency holder comprises a pair of centrally apertured frames of generally flat shape, one of the frames having a centrally. disposed recess: to receive the transparency, and the other frame having means for slidably guiding the first frame parallel to the second when the transparency is mounted between them. As shown, the rear or inner frame 2 has a rectangular recess 3 which receives the transparency 4. The front or outer frame 1 is formed with inturned flanges 6 along three edges thereof, so that the inner frame 2, with the transparency located in the recess therein, can be assembled with the front frame by sliding it into register under the flanges. The free edge of frame 1 not occupied by the flanges has an upturned lip 7 which can be depressed sufficiently to allow frame 2 to be slid over it, then springing back to exercise a retaining action. The lipped edge 7 has a recess 8 which coincides with one of two similar recesses on the edges of frame 2, to act as a tactile guide for correct insertion of the holder into a projector. In mounting the transparency between its glass cover-plates, the edges are secured together by strips of adhesive material which have guide lines to facilitate accurate locating of the transparency.
GB4456960A 1960-12-29 1960-12-29 Improvements in and relating to transparency holders or slides Expired GB895570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4456960A GB895570A (en) 1960-12-29 1960-12-29 Improvements in and relating to transparency holders or slides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4456960A GB895570A (en) 1960-12-29 1960-12-29 Improvements in and relating to transparency holders or slides

Publications (1)

Publication Number Publication Date
GB895570A true GB895570A (en) 1962-05-02

Family

ID=10433900

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4456960A Expired GB895570A (en) 1960-12-29 1960-12-29 Improvements in and relating to transparency holders or slides

Country Status (1)

Country Link
GB (1) GB895570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815431A1 (en) * 2000-10-16 2002-04-19 Jean Louis Crocy System for positioning photographic transparencies correctly for projecting uses marks or cut-away corners on transparency frames

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815431A1 (en) * 2000-10-16 2002-04-19 Jean Louis Crocy System for positioning photographic transparencies correctly for projecting uses marks or cut-away corners on transparency frames

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