Platen roller apparatus

Details Platen roller apparatus Platen roller apparatus

1990-04-17

1992-03-03

Burr, Edgar S.

Typewriting machines

Platen or platen-moving mechanism

For movement of platen other than for line-spacing

4006454, 101409, 271277, B41J 1100

Patent

active

050926985

ABSTRACT:
A platen roller apparatus having a cylindrical platen roller, a recording sheet retaining member capable of moving while being maintained in parallel with the axis of the platen roller, a positioning member for positioning a recording sheet on the platen roller; and members for urging the recording sheet retaining member inwardly in the radial direction of the platen roller. The recording sheet is retained while being pinched between the outer circumferential surface of the platen roller and the recording sheet retaining member.

REFERENCES:
patent: 3937142 (1976-02-01), Cerny et al.
patent: 4072306 (1978-02-01), Idstein
patent: 4259695 (1981-03-01), Nakano
patent: 4500219 (1985-02-01), Lange et al.
patent: 4594597 (1986-06-01), Liu et al.
patent: 4627754 (1986-12-01), Sholtis et al.
patent: 4852488 (1989-08-01), Abendroth et al.
patent: 4891655 (1990-01-01), Watanabe
patent: 4903598 (1990-02-01), Kobayashi et al.
patent: 4905985 (1990-03-01), Nagatani
patent: 4949638 (1990-08-01), Watanabe

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