G - Physics
03
B
88/89.5
G03B 21/64 (2006.01)
Patent
CA 1245891
ABSTRACT OF THE DISCLOSURE: An improved slide mount of the type comprising a flat rectangular pocket forming a slideway for receiving a standard slide film provided with two lateral rows of driving notches, a central window formed in the pocket and a deformable slot in communication with the slideway to allow the introduction of the slide film with its rows of notches perpendicular to the slot into the slideway. This slide mount is improved in that at least one sprocket is provided for inside the slideway so as to engage one of the notches of the film and lock the same inside the slide- way. This sprocket is smaller in size than the notch it engages to let the film free to expand to a certain extent when subjected to the heat of a lamp. This improvement advantageously allows processing and handling of slide films and slides with less risk of damage to the films and less annoyance to the slide manipulators.
461261
Desmarais Claude
Desmarais Gerard
Albums Df Ltee/df Albums Ltd.
Robic Robic & Associes/associates
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