Paper feed mechanism

Details Paper feed mechanism Paper feed mechanism

1991-04-23

1992-12-22

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271270, 271274, B65H 352

Patent

active

051729008

ABSTRACT:
A paper feed mechanism comprises a feed roller rotatable in one direction at a predetermined timing, which rotates in an overrunning manner if such need arises, a separation roller disposed in contact with the feed roller, which rotates together with the feed roller when a load torque exceeds a predetermined value, and a pickup roller disposed upstream of the feed roller in the direction of rotation of the feed roller for feeding a paper sheet according to a paper feed instruction, a device for varying the pressing force of the separation roller against the feed roller, a detector provided in the vicinity of the feed roller and the separation roller for detecting the speed of the paper sheet fed by the feed roller and the separation roller; and a controller for controlling the pressing force of the separation roller according to the detection signal from the detection.

REFERENCES:
patent: 4605217 (1986-08-01), Goi

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