Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1992-09-25
1995-03-07
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
G01D 1518, B41J 2165
Patent
active
053962770
ABSTRACT:
A synchronized wiper and pen motion solution for ink-jet printers is described. The invented method and apparatus synchronize the motion of the pen and wiper throughout the wipe stroke, and provide for controlled, simultaneous movement therebetween that avoids pole vaulting, excess interference and ink flicking. Such is accomplished by moving the carriage to a defined position shy of a wiping position above the service station including a sled mounting the wiper; raising the sled to produce a proper interference fit between the wiper and the pen while simultaneously moving the carriage at low speed; continuing the wipe stroke by high-speed carriage movement with the sled stationary; and, at the end of the stroke, lowering the sled to clear the wiper from contact with the pen before reversing carriage motion. The solution lends itself to single- or plural-pen ink-jet printers.
REFERENCES:
patent: 5096276 (1992-03-01), Midorikawa
patent: 5103244 (1992-04-01), Gast et al.
patent: 5126765 (1992-06-01), Nakamura
Patent Abstracts of Japan; vol. 12, No. 126 M-687, Apr. 19, 1988 & JP-A-62 251 145 (Terasawa Hiroharu) Oct. 31, 1987.
Gast Paul D.
Moon Eva-Maria
Shibata Alan
Fuller Benjamin R.
Hallacher Craig
Hewlett--Packard Company
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