Roll feed apparatus with adjustable nip

Details Roll feed apparatus with adjustable nip Roll feed apparatus with adjustable nip

1985-07-23

1987-01-27

Reger, Duane A.

Sheet feeding or delivering

Feeding

By means to convey sheet

226142, 226146, 226162, 271115, B65H 1736

Patent

active

046389903

ABSTRACT:
A roll feed apparatus having a first roll and a second roll for oscillatory rotation in opposite directions such as to intermittently feed a sheet clamped therebetween. The roll feed apparatus comprises a pivot member having one end fitting on a pivot shaft extending from the housing of the apparatus substantially in parallel with the first roll shaft and the other which is free, the pivoting member being mounted at its portion between the one and the free ends on a first roll shaft, the pivot member being adapted to cause, when it pivots, the first roll shaft and the first roll to move towards and away from said second roll, a first adjusting device for adjusting the force by which the first roll is urged towards the second roll is adjusted, and a second adjusting device for adjusting the gap between the rolls in accordance with the thickness of the sheet to be fed. The first and second adjusting devices are operable independently of each other.

REFERENCES:
patent: 2946588 (1960-07-01), Pityo
patent: 4029251 (1977-06-01), Johnson
patent: 4415108 (1983-11-01), Katoh
patent: 4549683 (1985-10-01), Kato

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