Photographic film processing apparatus having disengagement mean

Details Photographic film processing apparatus having disengagement mean Photographic film processing apparatus having disengagement mean

1974-05-02

1976-03-16

Gerin, Leonard H.

Machine element or mechanism

Gearing

Pivotally supported

74405, F16H 3500, F16H 5700

Patent

active

039437868

ABSTRACT:
A film advancing-fluid spreading apparatus for progressively distributing a released mass of a processing composition across an exposed photosensitive layer of a film unit carrying a pod wherein the processing composition is contained. A pair of pressure-applying members having juxtaposed surfaces are rotatably mounted for contacting and advancing upper and lower surfaces of the film unit therebetween to distribute a layer of the processing composition across the photosensitive layer of the film unit. One of the pair of pressure-applying members includes a pinion axially coupled thereto which receives energy from a motor connected to a power transmitting system including a coupler whereby energy is transferred from the motor to rotate the pinion in a predetermined direction. The coupler permits a transfer of energy through the power transmitting system to the pinion when the film advancingfluid spreading apparatus is operating in a driving mode, and substantially prevents the transfer of energy from the pinion back through the power transmitting system to the motor when the pressure-applying member having the pinion axially coupled thereto is manually rotated in the predetermined direction.

REFERENCES:
patent: 2392071 (1946-01-01), Terrett et al.
patent: 2854855 (1958-10-01), Dudley
patent: 2906184 (1959-09-01), Hennig et al.
patent: 3753392 (1973-08-01), Land

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