Paper feed mechanism for a printer

Details Paper feed mechanism for a printer Paper feed mechanism for a printer

1989-10-16

1991-04-30

Eickhol, Eugene H.

Typewriting machines

Sheet or web

For feeding plural record media concurrently or selectively

400636, 4006363, 400637, B41J 1150

Patent

active

050113135

ABSTRACT:
A paper feed mechanism includes a platen rotatably mounted on a frame and a friction feed having a support which rotatably supports a roller, the support being movable between an operable position in which the roller is in biasing engagement with the platen and a non-operable positon in which the roller is not biased toward said platen. A spring biasingly urges the support in its operable position in which the roller is in biasing engagement with the platen. A cam is rotatably mounted on the frame and rotatable between a first cam position which moves the support to its non-operable position and a second cam position which permits the support to be moved to its operable position by the spring, whereby the cam controls the operability of the friction feed.

REFERENCES:
patent: 1065980 (1013-07-01), Steele
patent: 1549873 (1925-08-01), Hokanson
patent: 1619013 (1927-03-01), Armstrong
patent: 4498795 (1985-02-01), Tatara
patent: 4564305 (1986-01-01), Renewitz et al.
patent: 4579471 (1986-04-01), Hendrischu
patent: 4663722 (1987-05-01), sato
patent: 4688958 (1987-08-01), Tajima
patent: 4830527 (1989-05-01), Kikuchi et al.
patent: 4909497 (1990-03-01), Itabashi

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