One piece transparency mount with spring transparency restraint

Details One piece transparency mount with spring transparency restraint One piece transparency mount with spring transparency restraint

1991-08-22

1992-11-10

Shoap, Allan N.

Optics: image projectors

Picture carrier

40156, 401592, 40152, G03B 2164

Patent

active

051628279

ABSTRACT:
A slide mount has a frame defining a transparency receiving cavity and a transparency inlet for inserting a transparency into the transparency cavity. A spring capable of imparting a compressive spring force in the transparency receiving cavity is connected to the frame away from the transparency inlet. The spring engages a transparency inserted into the transparency receiving cavity to retain the transparency in the cavity by a compressive spring force.

REFERENCES:
patent: 2931118 (1960-04-01), Riedel
patent: 3035364 (1962-05-01), Hoogesteger
patent: 3090145 (1963-05-01), Goyke
patent: 3478456 (1969-11-01), Mundt et al.
patent: 4607442 (1986-08-01), Desmarais et al.
patent: 4685785 (1987-08-01), Mundt et al.

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