Photographic-materials dispenser

Details Photographic-materials dispenser Photographic-materials dispenser

1988-04-28

1989-05-30

Werner, David

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 717, 242 56R, 225 11, 225 40, 312 39, B65H 3506, B65H 1900

Patent

active

048343099

ABSTRACT:
The dispenser has a housing in which are rotatably journalled a photographic sheet materials supply shaft, and a pair of nipping rollers. A motor drives one of the rollers through a drive train, and such driven roller drives the other. A leader of sheet material from said shaft, fed to said nipping rollers, is drivenly payed-out from the shaft, and between the rollers, when the motor is turned on. Further, a handwheel journalled in a control box mounted to the housing turns an indicia-graduated dial to an indicated length of sheet material sought to be payed out. A motor switch, in cooperation with control box and housing circuitry, powers the motor to pay-out the dialed length of sheet material, and a further switch which monitors the rotation of the dial turns the motor off when the dialed length of material has been payed-out.

REFERENCES:
patent: 3167368 (1965-07-01), Rozlog et al.
patent: 3301617 (1967-01-01), Goodwin et al.
patent: 3697146 (1972-10-01), Boisen
patent: 3737087 (1973-06-01), Rooklyn
patent: 3826548 (1974-07-01), Schnyder et al.
patent: 4455905 (1984-06-01), Raymond
patent: 4765555 (1988-08-01), Gambino

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