Printing paper feeding mechanism

Details Printing paper feeding mechanism Printing paper feeding mechanism

1981-06-22

1982-11-23

Eickholt, E. H.

Typewriting machines

Sheet or web

Including insertion of sheet from front of platen

400618, 400631, 400632, 271228, B41J 1148

Patent

active

043602797

ABSTRACT:
A printing paper feeding mechanism for a printer having a pin tractor for feeding a web with holes perforated at periodic locations along both edges and a pair of rollers for drawing out the web fed by the pin tractor through a printing position while pinching the web under pressure. The pin tractor and one of the rollers are driven by a motor through a transmitting device such that the rollers are imparted a slightly faster feeding action than the pin tractor for preventing the web from being slackened. The rollers are adapted to be used independently of the pin tractor for feeding a cut sheet paper at the same speed as the web fed by the pin tractor by driving the motor at a reduced amount of rotation for a unit line spacing amount than usual.

REFERENCES:
patent: 2963138 (1960-12-01), Motte et al.
patent: 3746142 (1973-07-01), Hepp et al.
patent: 4072225 (1978-02-01), Manning et al.
patent: 4173420 (1979-11-01), Okabe
patent: 4251162 (1981-02-01), Kammerer et al.
Bateson et al, "Dual-Motor Forms Feed Drive", IBM Tech. Discl. Bulletin, vol. 22, No. 7, Dec. 1979, pp. 2616-2617.

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