Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-03-06
1999-03-23
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 2165
Patent
active
058867147
ABSTRACT:
An inkjet printer has a printhead mounted in a carriage which periodically moves in a carriage scan direction to a stop position in a service station where an actuation device causes a wiper blade to move back and forth across ink orifices on a nozzle surface of the printhead during a wiping operation. The actuation device incorporates a rotating lead screw to impart transtlational motion to the wiper blade in a wiping direction orthogonal to the carriage scan direction. A clutching action prevents further movement of the wiper blade after completion of each wiping step. The actuation device is driven through a gear train from a motor such as a media advance motor. An ink spittoon is incorporated in the same service station for receiving ink generated during a spitting operation, and a scraper in the ink spittoon removes residual ink from the wiper blade.
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Becker Richard A.
Burney David C.
Chase Patrick J.
Martinson Paul E.
Rhoads W. Wistar
Brooke Michael
Fuller Benjamin R.
Hewlett--Packard Company
Potts Jerry R.
Romney David S.
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