Sheet supplying apparatus

Details Sheet supplying apparatus Sheet supplying apparatus

1982-09-13

1983-08-23

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for original

271261, G03B 2762, G03B 2764

Patent

active

044000855

ABSTRACT:
A sheet supplying apparatus comprising: a pair of supply rollers adapted to be moved into pressure contact with each other to take a sheet into the gap therebetween; a retractable gate member disposed at the inner side of said supply rollers and adapted to retain the leading end of the sheet after the latter is taken into the gap between the supply rollers; and a plurality of detectors disposed between the gate member and the supply rollers. The detectors are arrayed along a line perpendicular to the direction of supply of the sheet to detect the leading end of the sheet. When the leading end of the sheet is detected by all of the detectors, a signal is generated to move the supply rollers into pressure contact while retracting the gate member and, thereafter, to start the rotation of the supply rollers. The time length between the detection of the sheet and the commencement of the supply is shorter for the supply of the second and subsequent sheets than for the first sheet.

REFERENCES:
patent: 3936041 (1976-02-01), Shiina et al.
patent: 3979115 (1976-09-01), Bruckner et al.
patent: 4146326 (1979-03-01), Taylor et al.
IBM Technical Disclosure Bulletin, vol. 22, No. 4, Sep., 1979, pp. 1366-1367.

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