Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1997-11-13
1999-11-30
Le, N.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 2165
Patent
active
059929677
ABSTRACT:
A service station for use in servicing one or more inkjet print cartridges includes a service station sled assembly movably attached to a service station chassis. The sled assembly includes at least one wiper and at least one cap. In one embodiment, the service station includes a cam and cam follower that interact to move the sled assembly. The cam is shaped so that movement of the cam to a first position causes each cap to contact a printhead of a corresponding inkjet print cartridge. Movement of the cam to a second position causes the cap to move away from the printhead and moves the wiper into a wiping position. In another embodiment, a service station according to the invention for use with a facsimile machine including inkjet printing apparatus includes a motor that is positioned so as to minimize the footprint of the service station. A method according to the invention includes the steps of positioning a print carriage adjacent to a service station including a sled assembly, and rotating a cam of the service station such that a cam follower of the sled assembly interacts with the cam to cause movement of the sled assembly.
REFERENCES:
patent: 4728970 (1988-03-01), Terasawa
patent: 5155497 (1992-10-01), Martin et al.
patent: 5164748 (1992-11-01), Katayanagi et al.
patent: 5184147 (1993-02-01), MacLane et al.
patent: 5257044 (1993-10-01), Carlotta et al.
patent: 5394178 (1995-02-01), Grange
Search Report in European Patent Application No. 95107253.7 issued Sep. 29, 1997.
Set of three assembly drawings of a service station, developed by Hewlett-Packard Company, that was part of a printer believed to have been commercially avaialble in Jul. 1993.
Fujimori Noriyoshi
Kobayashi Atsushi
Nguyen Chan
Shibata Alan
Hewlett--Packard Company
Le N.
Potts Jerry R.
Vo Anh T. N.
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