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1. 发明专利

JPH09234916A PRINTER AND PRINTING METHOD OF THE DEVICE 失效
公开(公告)号：JPH09234916A
公开(公告)日：1997-09-09
申请号：JP32971496
申请日：1996-12-10
申请人： CANON KK
发明人： UCHIDA HARUO , ONODA SHIGEYOSHI , OYAMA KAZUO , KASHIMURA MAKOTO
IPC分类号： B41J2/01 , B41J11/20 , B41J25/308
摘要： PROBLEM TO BE SOLVED: To maintain a constant distance between a printing surface of a printing medium of an optional thickness and a printing head by arranging a platen parallel to the printing position of the printing surface of the printing medium with the force applied toward the printing head such that the printing surface comes in contact with a medium positioning member. SOLUTION: Since a printing surface 28 of a printing medium 13 is pressed to a medium positioning plate 25 on the upstream side of an ink-jet head 11 in the feed direction by a platen 18, the distance between the printing surface 28 and the head 11 is determined at a predetermined distance. If a printing medium 13 of a different thickness is used in this state, the platen 18 moves away from the head 11 parallel toward the downstream side in the feed direction by the difference of the thickness. However, since the platen is pressed downward owing to the existence of tilted guiding surfaces 20, 22, against a compressing spring 24, the distance between the printing surface 28 of the printing medium 13 and the head is maintained in a preferable range.

2. 发明专利

JPH0682239B2 失效
公开(公告)号：JPH0682239B2
公开(公告)日：1994-10-19
申请号：JP14784286
申请日：1986-06-24
申请人： CANON KK
发明人： KANEMITSU SHINJI , MIZUTANI MORIKAZU , IKEMOTO ISAO , KITAJIMA HAJIME , ONODA SHIGEYOSHI
IPC分类号： H05K5/02 , G03G15/00 , G03G21/16

3. 发明专利

JPH0682237B2 失效
公开(公告)号：JPH0682237B2
公开(公告)日：1994-10-19
申请号：JP14392886
申请日：1986-06-18
申请人： CANON KK
发明人： WATANABE KAZUFUMI , SAOTOME SUMITOSHI , ONODA SHIGEYOSHI
IPC分类号： B65D25/32 , G03G15/00

4. 发明专利

JPH0619606B2 失效
公开(公告)号：JPH0619606B2
公开(公告)日：1994-03-16
申请号：JP21843585
申请日：1985-09-30
申请人： CANON KK
发明人： ONODA SHIGEYOSHI , MIZUTANI MORIKAZU , KANEMITSU SHINJI , IKEMOTO ISAO , KITAJIMA HAJIME
IPC分类号： G12B9/00 , G03G15/00 , G03G21/00

5. 发明专利

JPH0616189B2 失效
公开(公告)号：JPH0616189B2
公开(公告)日：1994-03-02
申请号：JP40763990
申请日：1990-12-27
申请人： CANON KK
发明人： NITANDA HIROSHI , ONODA SHIGEYOSHI , YANAGI EIICHI , KATO MASAHIRO , OBATA RYUICHI , EHATA TOKITAKA
IPC分类号： G03G21/16 , G03G15/00 , G03G21/00

6. 发明专利

JPH05186060A SHEET MATERIAL ACCUMULATION DEVICE 失效
公开(公告)号：JPH05186060A
公开(公告)日：1993-07-27
申请号：JP1848992
申请日：1992-01-07
申请人： CANON KK
发明人： OKUMA KEIKO , ONODA SHIGEYOSHI
IPC分类号： B65H1/04 , B65H1/12 , B65H3/56 , G03G15/00
摘要： PURPOSE:To hold a sheet material accumulated in a sheet material accumulation device flat in almost the overall territory. CONSTITUTION:A reference surface 2a on the side part in the width direction of sheets P accumulated on an accumulation plate 3 having a cut-off part 3A and a movable side guide plate 5 to press the sheets P to the surface 2a are provided. An auxiliary accumulation plate 6 to support the sheet P flat by way of covering the cut-off part 3A of the accumulation plate 3 is provided free to move interlocked with the side guide plate 5. Consequently, the sheet P accumulated on the accumulation plate 3 is supported flat at the cut-off part 3A, and deflection of the sheet P at the cut-off part 3A and detachment of the sheet P from a separation claw due to it are prevented, and consequently, it is possible to carry out stable paper sheet feeding.

7. 发明专利

JPH0558525A SHEET CARRYING DEVICE 失效
公开(公告)号：JPH0558525A
公开(公告)日：1993-03-09
申请号：JP22287691
申请日：1991-09-03
申请人： CANON KK
发明人： KURATA MITSURU , ONODA SHIGEYOSHI
IPC分类号： B41J13/02 , B41J13/00 , B41J15/04 , B65H23/26 , B65H29/52
摘要： PURPOSE:To enable simplification of the constitution by providing a sheet feeding means, a guide means, a pressing member, a pressure releasing means to release the pushing pressure, and a control means to control the sheet feeding means in an interlocking manner with the pressure release of the pressure releasing means. CONSTITUTION:When a paper sheet feeding signal is received by a control circuit, or the control circuit generates the paper sheets feeding signal in itself, motors for carrying and paper sheets feeding are driven, and a carrying roller 4a and a discharging roller 4c are rotated counterclockwise. A solenoid 51 is excited and a plunger 51a is sucked. Then, an arm 53 is protruded and rotated around a shaft 52, and sheet suppressing members 7a, 7b are rotated in a swaying manner in the direction where tight contact of the sheet suppressing members with a platen 5 is lost. At the same time, engagement of a paper sheet feeding clutch control claw 54a with a protruded arm end part 53d is separated, and the recorded sheet is carried out due to the rotation of the paper sheet feeding roller, toward the carrying roller 4a and the discharging roller 4c.

8. 发明专利

JPH0519542A IMAGE FORMING DEVICE CAPABLE OF ATTACHING/DETACHING PROCESS KIT 失效
公开(公告)号：JPH0519542A
公开(公告)日：1993-01-29
申请号：JP33914891
申请日：1991-12-21
申请人： CANON KK
发明人： NITANDA HIROSHI , MIZUTANI MORIKAZU , NOMURA AKIHIRO , KANEMITSU SHINJI , NISHINO FUMIO , ONODA SHIGEYOSHI
IPC分类号： G03G21/10 , G03G15/00 , G03G15/08 , G03G21/16 , G03G21/18
摘要： PURPOSE:To provide an image forming device where a process means can be accurately positioned with respect to an image carrier and where the process kit excellent in productivity is attached/detached. CONSTITUTION:The image forming device performs recording on a recording medium P, and the process kit K is provided with the image carrier 3 and at least one process means for forming the image on the image carrier 3 and freely attached to/detached from the image forming device. Then, plural positioning reference parts for respectively positioning the image carrier 3 and the constituent member of the process means are formed in the device, and an attaching means for attaching the process kit K provided with a process kit housing 19 which is integrally molded and used also as the housing of the process means, and a carrying means for carrying the recording medium P are provided.

9. 发明专利

JPH0361942B2 失效
公开(公告)号：JPH0361942B2
公开(公告)日：1991-09-24
申请号：JP7415182
申请日：1982-04-30
申请人： CANON KK
发明人： TOYONO TSUTOMU , ONODA SHIGEYOSHI
IPC分类号： G03G21/00 , G03G21/18

10. 发明专利

JPH02273272A IMAGE RECORDING DEVICE 失效
公开(公告)号：JPH02273272A
公开(公告)日：1990-11-07
申请号：JP9448389
申请日：1989-04-13
申请人： CANON KK
发明人： KANEMITSU SHINJI , NOMURA AKIHIRO , MIYAUCHI YASUO , EHATA TOKITAKA , KURATA MITSURU , TAKEDA AKIO , UCHIDA HARUO , ONODA SHIGEYOSHI
IPC分类号： B41J2/01 , B41J15/16 , B65H5/06 , B65H29/20
摘要： PURPOSE:To prevent deterioration of an image quality if a recording paper is transported only by a traction feed system with a tension maintained at an image recording section by setting the feed amount of the traction feed system at a recording length +- a pixel pitch for a recording length after the paper comes out of a roller. CONSTITUTION:A recording paper 5 is fed onto a platen plate 2 by a pair of fixed quantity feed rollers 1, 1', then it is given tension by tension rollers 3, 3' which sandwich the paper. As a result the paper sticks to the surface of a platen plate 2 tightly. The record-, ing paper 5 stops, then an ink jet head 4 moves and an image is recorded on the paper fed by a fixed width. Next, the fixed quantity feed rollers 1, 1' feed the paper 5 to an image recording section by a fixed feed amount. Then the new part recording material 5 is positioned on the platen plate 2. Even after the rear end of the recording material 5 passes through the fixed amount feed roller 1,1' completely, the tension rollers 3, 3' are driven under the same drive state to transport the paper 5 to the surface of a platen. Thus it is possible to record an image up to the rear end of the paper 5.

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