Variable-width friction-feed paper handling apparatus

Details Variable-width friction-feed paper handling apparatus Variable-width friction-feed paper handling apparatus

1982-04-26

1984-11-13

Butler, Douglas C.

Sheet feeding or delivering

Feeding

By means to convey sheet

226179, 271274, B65H 504

Patent

active

044821484

ABSTRACT:
A variable-width friction-feed paper handling apparatus includes a rotatable drive shaft and a stabilizing shaft spaced therefrom and parallel thereto. Two carriage assemblies bridge the drive shaft and stabilizing shaft and are supported thereby and are adapted for sliding movement longitudinally therealong for accommodating varying widths of paper therebetween. Each carriage assembly includes a drive roller coaxial with the drive shaft for rotation thereby and a pivoting gate which rotatably carries a pressure roller, the gate being movable between a loading position accommodating placement of paper between the carriage assemblies and a feeding position wherein the pressure roller is in parallel cooperation with the drive roller frictionally to feed paper therebetween. Over-center springs hold the gate in its two positions and leaf springs resiliently mount the pressure roller. Each carriage assembly carries paper guide device.

REFERENCES:
patent: 2871011 (1959-01-01), Hercik
patent: 4030726 (1977-06-01), Biedermann

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