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1. 发明专利

JP2784013B2 失效
公开(公告)号：JP2784013B2
公开(公告)日：1998-08-06
申请号：JP26126488
申请日：1988-10-17
申请人： HYUURETSUTO PATSUKAADO CO
发明人： SUTEIIBU OO RASUMUSEN , RARII EI JAKUSON , DEIBITSUDO DABURYUU PINKANERU
IPC分类号： B41J15/04 , B41J2/01 , B41J11/00 , B41J11/20 , B41J13/10 , B41J13/28 , B41J25/304 , B41J25/34 , G06K15/10
摘要： Several problems of alignment associated with ink-jet printers are alleviated by four aspects. In the first, a reverse bow (atB ) in the paper (12) is created for printing on single sheets of paper. The reverse bow (atB), which is in the transverse axis of the paper (12), forces the paper flat against the platen (14) by using the paper's own stiffness. In the second aspect, the paper (12) and the carriage (30) are referenced to the same part (the carriage guide (10)). In this configuration, the paper (12) is urged against the underside of the carriage guide (10) off of drive rollers (18), through the reverse bow, and onto the platen (14), where it is printed. The carriage (30) is referenced to the carriage guide (10) through a slider bump by means of a carriage shaft and gravity. The carriage guide (10) comprises stiff thin sheet metal, which is closely-toleranced and has well-controlled dimensions. Thus, this part is good to reference to, rather than molded-in parts, which are not stiff enough at the required thickness. Straightness is also difficult to achieve at the required thickness with plastic parts. In the third aspect, the platen (14) is allowed to move substantially perpendicular to the plane of the paper (12) to accommodate thicker print media. In the fourth aspect, the platen (14) is maintained a minimum fixed distance from the carriage guide (10) by bumps (38) to ensure that the paper (12) is not pinched between the carriage guide (10) and the platen (14).

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