Winding – tensioning – or guiding – Convolute winding of material – Winding spaced-apart convolutions
Patent
1994-10-27
1996-08-20
Darling, John P.
Winding, tensioning, or guiding
Convolute winding of material
Winding spaced-apart convolutions
B65H 1808
Patent
active
055471455
ABSTRACT:
An apparatus for automatically advancing or removing a filmstrip from a reel and a reel for holding a photosensitive filmstrip during photofinishing. The reel includes a first side wall and a second side wall substantially parallel to the first side wall. The first and second side walls each having a wall member disposed in a spiral pattern so as to form a spiral path for receiving the edges of a photosensitive filmstrip between said side walls. A clutch mechanism is provided on each side wall for advancing the filmstrip along the spiral path in a first direction and preventing movement in the opposite direction. A spring member is provided for disengaging the clutch mechanism so as to allow removal of the filmstrip from the spiral path. The clutch mechanism may include a movable ramp for allowing movement of the photosensitive material in either direction along the spiral path.
REFERENCES:
patent: 2594980 (1952-04-01), Neuwirth
patent: 2595898 (1952-05-01), Siedenburg
patent: 2710727 (1955-06-01), Orowick
patent: 2711864 (1955-06-01), Windman
patent: 2756005 (1956-07-01), Franke
patent: 4448365 (1984-05-01), Petsching et al.
patent: 5445336 (1995-08-01), Pagano
Klees Kevin J.
Pagano Daniel M.
Darling John P.
Eastman Kodak Company
Pincelli Frank
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