Pivoting platen for use in printing device

Details Pivoting platen for use in printing device Pivoting platen for use in printing device

1993-10-22

1995-06-20

Wiecking, David A.

Typewriting machines

Platen or platen-moving mechanism

For movement of platen other than for line-spacing

400656, B41J 1102

Patent

active

054255880

ABSTRACT:
A pivoting platen for use with a printhead of a printing device includes a rigid portion and a compressible portion. The compressible portion contacts a sheet, which is pressed against the compressible portion by the printhead. The platen pivots about a rotational axis as the printhead scans across the sheet, creating uniform pressing forces between the printhead and the platen. These uniform pressing forces ensure uniform density of the image bands printed by the printhead.

REFERENCES:
patent: 4476496 (1984-10-01), Thaler
patent: 4823195 (1989-04-01), Ito
patent: 4920421 (1990-04-01), Stemmle
patent: 5032922 (1991-07-01), Stemmle
patent: 5040074 (1991-08-01), Stemmle
patent: 5049999 (1991-09-01), Stemmle
patent: 5077614 (1991-12-01), Stemmle et al.
patent: 5153736 (1992-10-01), Stemmle
patent: 5162916 (1992-11-01), Stemmle et al.
patent: 5187588 (1993-02-01), Stemmle

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