Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-04-10
1999-02-09
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
152565, 400701, B41J 2165, A46B 1500, B41F 3500
Patent
active
058701168
ABSTRACT:
A wiping member is described for slidingly cleaning a discharge port face of an ink jet recording apparatus, wherein electrothermal convertors generate heat energy causing film boiling in the ink so that the ink is discharged from the discharge ports. By reducing the simultaneous contact area of the wiping member which can slide on the discharge port face, as well as moving successively the contact area, the deformation or distortion of the wiping member, is deminished. The entire area thus can be wiped uniformly even if the array of discharge ports is longer. The wiping member comprises a cylindrical support rotated in a direction perpendicular to the array of discharge ports, and wiper portions made of a rubber elastic material arranged in a spiral or stagger form which are secured on the peripheral face of the cylindrical support, with a wiper cleaner which is an ink absorber to make contact with the wiper portions being disposed near the wiping member.
REFERENCES:
patent: 4947194 (1990-08-01), Kyoshima
patent: 5051758 (1991-09-01), Markham
patent: 5374981 (1994-12-01), Yamamoto et al.
patent: 5398054 (1995-03-01), Fukazawa et al.
Canon Kabushiki Kaisha
Fuller Benjamin R.
Tran Thien
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