GB1071402A - Transparency frame - Google Patents

Transparency frame

Info

Publication number
GB1071402A
GB1071402A GB2082964A GB2082964A GB1071402A GB 1071402 A GB1071402 A GB 1071402A GB 2082964 A GB2082964 A GB 2082964A GB 2082964 A GB2082964 A GB 2082964A GB 1071402 A GB1071402 A GB 1071402A
Authority
GB
United Kingdom
Prior art keywords
frame
transparency
halves
receiving slot
slot
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
GB2082964A
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.)
Geimuplast Peter Mundt KG
Original Assignee
Geimuplast Peter Mundt KG
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
Priority claimed from DEG37799A external-priority patent/DE1214898B/en
Application filed by Geimuplast Peter Mundt KG filed Critical Geimuplast Peter Mundt KG
Publication of GB1071402A publication Critical patent/GB1071402A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

1,71,402. Transparency mounts. GEIMUPLAST PETER MUNDT KOMM GES. May 20, 1964 [May 21, 1963; July 9, 1963], No.20829/64. Heading G2C. A unitary transparency frame of plastics material includes a receiving slot 4, the two halves of the frame being adapted to be spread apart near the receiving slot to facilitate the insertion of a transparency. The transparency is locked in position by means of a deformation in at least one half of the frame. In the embodiment of Fig. 3 a limiting cam 6 or (6') is provided in each frame half 5 or (5') to register with a corresponding groove (7') or 7 in the other half. The two halves of the frame are spread apart by applying oppositely directed forces on the side edges of the frame adjacent the slot 4 in order to separate the cams 6, (6'). Each frame half 5, (5') may be provided with two bores adjacent the slot 4 so that the halves may be spread apart by mandrels passing through these bores to engage the inside surface of the opposing frame half. These bores are arranged in the halves 5 (5') so that the mandrels act as guide pins for the transparency. In the embodiment of Figs. 12 and 13 (not shown) the boundary (35) of the receiving pocket (36) is continued into the receiving slot (34) by means of webs (37), (38). When pressure is applied as shown in Fig. 13 the webs provide a lever action so that the receiving slot is widened. The frame may be provided with two receiving slots at opposite ends thereof. In a further embodiment the transparency is locked in position by means of central dead-ended holes adjacent the receiving slot to which are applied punches in order to weld the two halves together or merely to deform the frame.
GB2082964A 1963-05-21 1964-05-20 Transparency frame Expired GB1071402A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG37799A DE1214898B (en) 1963-05-21 1963-05-21 One-piece slide frame
DEG0038133 1963-07-09

Publications (1)

Publication Number Publication Date
GB1071402A true GB1071402A (en) 1967-06-07

Family

ID=25978528

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2082964A Expired GB1071402A (en) 1963-05-21 1964-05-20 Transparency frame

Country Status (3)

Country Link
BE (1) BE648247A (en)
CH (1) CH445147A (en)
GB (1) GB1071402A (en)

Also Published As

Publication number Publication date
CH445147A (en) 1967-10-15
BE648247A (en) 1964-09-16

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