Device for opening the insertion slot of a slide frame

Details Device for opening the insertion slot of a slide frame Device for opening the insertion slot of a slide frame

G - Physics

03

B

88/89.5

G03B 21/64 (2006.01) G03D 15/10 (2006.01)

Patent

CA 1316729

ABSTRACT OF THE DISCLOSURE A device for opening a film opening insertion slot formed by a border strip and by a flat of a slide frame. It comprises a film guiding member having an elongated passage for transversally guiding the film and an insertion-slot opening portion located forwardly of the passage. The device also comprises a slot-opening combination on the slot-opening portion, which combination includes a downwardly inclined border-strip ramp leading toward the bottom of the film passage and an upwardly inclined flap ramp leading toward the top of the film passage) the border-strip ramp being located forwardly of the flap ramp with respect to the passage. As a slide frame is displaced linearly edgewise with respect to the film-guiding member and in the direction of the film passage, its border strip is bent down as it slides along the border ramp and its flap is bent up as it slides along the flap ramp so as to open the insertion slot of the slide frame.

602897

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