Paper guide arrangement for printing apparatus

Details Paper guide arrangement for printing apparatus Paper guide arrangement for printing apparatus

1982-06-10

1984-05-15

Burr, Edgar S.

Typewriting machines

Sheet or web

Including friction-feed means

4006002, 4006003, 4006371, 4006131, 235 58CF, B41J 1304

Patent

active

044485590

ABSTRACT:
A paper guide arrangement for printing apparatus, includes a platen, a paper supply guide, a paper discharge guide, and a paper supply drive roller disposed at the paper supply guide for rotation by a motor. A paper supply contact roller is movably supported into and out of contact with the paper supply drive roller. A paper discharge drive roller is disposed at the paper discharge guide for rotation by the motor, and a paper discharge contact roller is movably supported into and out of contact with the drive roller. A support member for the paper supply contact roller serves to activate the motor to rotate the supply drive roller when the supply contact roller is brought into rolling contact with the supply drive roller, and to stop the drive of the motor to stop rotation of the supply drive roller when the supply contact roller is removed from the supply drive roller. The support member cooperates with a pivotable member which supports the discharge contact roller, so that the discharge contact roller is urged to retract from the discharge drive roller when the support member is moved to bring the supply contact roller into contact with the supply drive roller.

REFERENCES:
patent: Re21050 (1939-04-01), Crosman
patent: 1973589 (1934-09-01), Watson
patent: 2963138 (1960-12-01), Motte et al.
patent: 3042179 (1962-07-01), Stern
patent: 3208682 (1965-09-01), Pastor et al.
patent: 3576283 (1971-04-01), MacDonald, Jr.
patent: 4029247 (1977-06-01), Sakariason
IBM Technical Disclosure Bulletin, "Pressure Roll Actuating Mechanism", by Cutshall et al., vol. 11, No. 6, Nov. 1968, pp. 618-619.

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