Slide frame and method of inserting a film transparency in a sli

Details Slide frame and method of inserting a film transparency in a sli Slide frame and method of inserting a film transparency in a sli

1986-05-09

1988-04-19

Mancene, Gene

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40 16, 40159, G09F 112

Patent

active

047380403

ABSTRACT:
The slide frame is made of elastic plastic and has an entrance slit which is adapted to be expanded throughout the width of the transparency to be inserted. The frame is formed at its opposite end with an additional expansible slit, which is also adapted to be expanded throughout the width of the transparency to be inserted and to such an extent that the two frame portions defining said additional slit do not obstruct the complete insertion of the transparency into the frame, and the film bed is constricted by a clamping rib, which is formed at and extends along a picture gate defining edge which extends at right angles to the direction in which the transparency is inserted into the frame. The slide frame comprises two frame members having broadsides facing each other. Said frame members are joined to each other only along a part of the periphery of the frame and have unconnected corner portions at both ends of each of said expansible slits and are joined to each other at the periphery of the frame between their corner portions disposed at corresponding ends of said expansible slits.

REFERENCES:
patent: 3470642 (1969-10-01), Mundt et al.
patent: 3470643 (1969-10-01), Koeppe et al.
patent: 3478456 (1969-11-01), Mundt et al.

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