Sheet transporting apparatus with control means

Details Sheet transporting apparatus with control means Sheet transporting apparatus with control means

1989-03-09

1991-05-28

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

With means to align sheet

271 31, 271229, 271265, 271270, 355208, B65H 702

Patent

active

050187163

ABSTRACT:
There is disclosed an automatic document feeder for the copying machine or the like, which is capable of adjusting the sheet transporting speed automatically according to the sheet quality or the status of sheet transportation. The feeder detects the status of transportation in the first, and accordingly adjust the transporting speed for the subsequent sheets. Additionally, a monitor monitors the operational state of the transport mechanism by monitoring detection output of a detection sensor when an original sheet is not present and corrects the transport timing on the basis of the information so obtained.

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patent: 4275968 (1981-06-01), Irwin
patent: 4331328 (1982-05-01), Fasig
patent: 4540170 (1985-09-01), Masuda et al.
patent: 4579444 (1986-04-01), Pinckney et al.
patent: 4670647 (1987-06-01), Hubble, III et al.
patent: 4725053 (1988-02-01), Bastow et al.
patent: 4763160 (1988-08-01), Honjo
patent: 4804998 (1989-02-01), Miyawaki
patent: 4817933 (1989-04-01), Honjo et al.
patent: 4966355 (1990-10-01), Katafuchi et al.

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