Photographic material grasping and dragging device for...

G - Physics – 03 – D

Patent

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G03D 13/10 (2006.01) G03D 3/13 (2006.01)

Patent

CA 2233181

Photographic material grasping and dragging device for photographic material developing machine, in particular of photographic paper, shaped as a fork provided with a first and a second portion (26, 27) respectively for the photographic material winding and for the hooking and unhooking with respect to the guide band (leader) of the machine. Device which comprises clamping means (grasping jaws 32) co-operating with the guide band (28) and sprung articulated means (31) adapted to drive the clamping means (32) from a first to a second operative position, in which they are respectively disengaged and engaged with respect to the guide band (28), and vice versa. Device which assures always a feed of photographic material at any operative condition and mechanical stress exerted by such material on the device referred to

Dispositif de prise et de traînée de matériau photographique pour une machine à développer, en particulier de papier photographique, ayant la forme d'une fourchette composée d'une première et d'une deuxième parties (26, 27) respectivement pour l'enroulement du matériel photographique et pour l'accrochage et le décrochage par rapport à la bande de guidage de la machine. Le dispositif comprend un élément de serrage (mâchoires de préhension 32) coopérant avec la bande de guidage (28) et un élément articulé à ressorts (31) adapté à entraîner l'élément de serrage d'une première à une deuxième position, où l'élément de serrage est respectivement engagé et dégagé par rapport à la bande de guidage (28), et réciproquement. Le dispositif assure une alimentation continue du matériau photographique dans toutes les conditions de fonctionnement et contraintes mécaniques exercées par le matériau sur le dispositif.

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