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1. 发明专利

JP2004009562A FOLLOWER ROTARY BODY, SHEET MATERIAL CONVEYING DEVICE, AND RECORDER 审中-公开
公开(公告)号：JP2004009562A
公开(公告)日：2004-01-15
申请号：JP2002166628
申请日：2002-06-07
申请人： CANON KK
发明人： SHINMACHI MASAYA , NITTA TETSUHIRO , SAIJO YASUTSUGU
IPC分类号： B41J13/02 , B41J11/00 , B41J13/00 , B41J13/076 , B65H5/06
摘要： PROBLEM TO BE SOLVED: To reasonably make a pinch roller using a regular material by regular molding even when the pinch roller is made by integrated molding and the length thereof is increased. SOLUTION: The pinch roller 32 rotates by following a conveyance roller 31 by being brought into press contact with the conveyance roller 31. The pinch roller 32 is formed from a resin by being integrated with bearing sections 32a, 32b, wherein a recess 32c for dividing the mold in the right and left in its longitudinal direction is provided on the vicinity of the center of the pinch roller 32 in the longitudinal direction. COPYRIGHT: (C)2004,JPO

2. 发明专利

JPH09187954A INK-JET RECORDING APPARATUS 失效
公开(公告)号：JPH09187954A
公开(公告)日：1997-07-22
申请号：JP2042396
申请日：1996-01-11
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： B41J2/165 , B41J2/05 , B41J2/18 , B41J2/185 , B41J23/02
摘要： PROBLEM TO BE SOLVED: To eliminate a load change in a paper feed operation when a recording head is resumed to be sucked, by allowing capping of all of a plurality of recording heads even in the middle of recording and also selective suction for an optional recording head, and reducing the consuming amount of ink. SOLUTION: This apparatus is provided with protecting caps 31C, 31M, 31Y for preventing a discharge opening from being dried, a suction cap 41 for sucking ink through the discharge opening, and a suction pump for generating a negative pressure in the suction cap. The protecting caps are driven by a driving force from a main scanning system, and the suction cap is driven by a driving force of a paper feed driving system in an opposite direction to that at the normal operating time.

3. 发明专利

JPH04273763A FILM PROJECTION DEVICE 失效
公开(公告)号：JPH04273763A
公开(公告)日：1992-09-29
申请号：JP5567891
申请日：1991-02-28
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： G03B27/32 , G03B27/50 , H04N1/00 , H04N1/04 , H04N1/19
摘要： PURPOSE:To select the shading position of a film holding member mounted on a film projection device and respective film positions with optimum operation feeling. CONSTITUTION:Since the inclination angle thetaB of a notch 31b in a base film N set part becoming the shading position formed in the lower holding member 12 of the film holding member 8 engaged with a roller 21 being a positioning fixing means on the side of the film projection device is set to be larger than the inclination angle thetaF of a notch 31a in respective film set parts, click feeling at the time of film positioning becomes different and selection can easily be executed.

4. 发明专利

JPH04149536A CAMERA 失效
公开(公告)号：JPH04149536A
公开(公告)日：1992-05-22
申请号：JP27345590
申请日：1990-10-15
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： G03B21/11
摘要： PURPOSE:To prevent image quality from being impaired because the shading correction of an image read device is erroneously performed in a state where a negative film original is set by providing such a light transmission window that the positive film original can not be attached to a film holding member. CONSTITUTION:As to the positive film holding member 21, an original setting part 21a for setting the positive film original 22 interposing the positive film PF in a mount 22a is disposed in a longitudinal direction and a transmission window 21c for shading is disposed on an insertion end side to a projecting device. The transmission window 21c where the original 22 can not be attached is set in the optical path of a film projecting device at the time of shading, and the shading correction of the image read device is not performed in the state where the positive film original on which an image is formed is set.

5. 发明专利

JPH03288761A IMAGE RECORDING DEVICE 失效
公开(公告)号：JPH03288761A
公开(公告)日：1991-12-18
申请号：JP9145190
申请日：1990-04-05
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： B41J2/01 , B41J13/00 , B41J13/076 , B65H3/06 , B65H11/00 , B65H29/22 , B65H83/00
摘要： PURPOSE:To carry out paper feed/discharge from one side of a recording device by using a discharge port for a paper supplied from a paper feeding means as the paper feeding port of the second paper feeding means and discharging the paper by using the same paper feeding port as paper discharge port after printing. CONSTITUTION:When a manual paper feed mode button is pressed, a guide plate 9 is lifted up as shown on the figure. Then, as for a recording paper sheet Pc which is placed on a tray 10 and the guide plate 9 by a user and advanced rightward, the top edge contacts the arcuate part of a detecting lever 11, and the lever 11 is pushed down in the counterclockwise direction around a supporting shaft 11a. Then, a pair of paper feed/discharge rollers 8a and 8b turn in the clockwise direction, and the recording paper Pc advances rightward, and the rearmost edge in the advance direction of the recording paper Pc is stopped at the position separated from the nip between the paper discharge rollers 8a and 8b, through a platen 7 and a paper feeding cassette 2. Then, each roller revolves in the counter clockwise direction, and the recording paper Pc is sent step by step in the leftward direction on the figure similarly in case of the automatic paper feed, and an image is recorded, and the paper is discharged on the tray 10.

6. 发明专利

JPH03138251A IMAGE RECORDING DEVICE 失效
公开(公告)号：JPH03138251A
公开(公告)日：1991-06-12
申请号：JP27471589
申请日：1989-10-21
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： B65H7/02 , B65H29/22 , B65H29/52
摘要： PURPOSE:To detect the discharge of sheet material positively by disposing a pressing member, provided with a pressing part protruding on the lower side than a line extended in a sheet material discharging direction, on the discharge side in the vicinity of a nip part between a pair of feed rotors. CONSTITUTION:At the time of discharging sheet material P by the rotation of a pair of feed rotors 13, the rear end P0 of the sheet material P is pressed by a pressing part 30a so as to be dropped after being removed positively from a detecting lever 21. A detecting means 21 can therefore detect the discharge of the sheet material P positively within a specified time.

7. 发明专利

JPH0273240A FILM PROJECTING DEVICE 失效
公开(公告)号：JPH0273240A
公开(公告)日：1990-03-13
申请号：JP22356888
申请日：1988-09-08
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： G03B21/00 , G03B27/32
摘要： PURPOSE:To make the height of a film projecting device half and to improve housing ability by making it possible to move a main body part obtained by integrally forming a film lighting part, a film setting part and a projection optical system part in a board part supporting the main body part. CONSTITUTION:The supporting arm 27 of a Fresnel lens 26 is turned clockwise by 90 deg. to be in an erect state. By pulling a locking shaft 30 this side and turning an upper main body part 20 counterclockwise by 90 deg. centering around a rotary shaft 29, the main body part 20 is allowed to be housed in a lower board part 28. In such a state, a lens 26 is held between the wall surface of the board part 28 and the lower surface of the main body part 20, so that both surfaces of the lens 26 are covered. Therefore, the lens 26 can be protected from being touched with fingers and being struck. While the upper main body part 20 is housed in the lower board part 28, the height of the device can be made the half.

8. 发明专利

JPH01179952A IMAGE FORMING DEVICE 失效
公开(公告)号：JPH01179952A
公开(公告)日：1989-07-18
申请号：JP353988
申请日：1988-01-11
申请人： CANON KK
发明人： SAIJO YASUTSUGU , NOMURA AKIHIRO , MIYAUCHI YASUO
IPC分类号： G03G21/00 , G03G15/00 , G03G21/18
摘要： PURPOSE:To miniaturize a device and to improve the precision of arrangement positions of an image carrier and sheet material carrying guides by using a protective cover, which covers the exposed part of the image carrier at the time of detaching a process cartridge, as a sheet material carrying guide at the time of setting the process cartridge. CONSTITUTION:With respect to an image forming device provided with a protective cover 4 which covers the exposed part of an image carrier 3 at the time of detaching a process cartridge 2, the protective cover 4 is moved above a transfer guide 10b by a link mechanism consisting of rocking arms 5 and 6 and the protective cover 4 when the process cartridge 2 is lowered and set to a prescribed position after being inserted into a device main body 1. The protective cover 4 and the transfer guide 10b constitute a pair of upper and lower guides which guide a sheet material from resist rolls 9a and 9b to an optimum position between a photosensitive drum 3 and a transfer charger 11. Thus, sheet material carrying guides 4 and 10b are arranged for the image carrier 3 with a high precision.

9. 发明专利

JP2002273860A IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：JP2002273860A
公开(公告)日：2002-09-25
申请号：JP2002027223
申请日：2002-02-04
申请人： CANON KK
发明人： SAIJO YASUTSUGU
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus with which high quality image can be obtained by excellent treatment for formation of an ink image sticking on a recording medium for which a treating liquid is used. SOLUTION: The present image forming apparatus comprises a carriage (2, 32, 102, 302, 342) provided for relatively moving an ink jet recording head (1, 101, H) discharging the ink containing a color material from a ink discharge port, in relation to a recording medium P and a coating roller (13, 33) as a treating liquid applying means for applying the treating liquid for agglomerating the color material in the ink to the recording medium, or an absorber (12, 15, 31, 312, 323, 333c). The treating liquid applying means comes into contact with the recording medium and applies the treating liquid thereto, prior to the discharge of the ink onto the recording medium P by the ink jet recording head. These means are mounted on the carriage.

10. 发明专利

JPH11138831A RECOVERY SYSTEM OF INK-JET RECORDER 失效
公开(公告)号：JPH11138831A
公开(公告)日：1999-05-25
申请号：JP33114797
申请日：1997-11-14
申请人： CANON KK
发明人： SAIJO YASUTSUGU , TOTSUGI TOSHIHIKO
IPC分类号： B41J2/165 , B41J2/18 , B41J2/185 , B41J23/02
摘要： PROBLEM TO BE SOLVED: To minimize ink remaining on a discharge opening face and mixture of ink in a recording head, by generating a pressure balance state after a cap ping means caps wherein a pressure in a recording means and a pressure in a suction means are nearly equal, applying a negative pressure again and open ing the cap. SOLUTION: When a center gear 66 is rotated in a clockwise direction by driving of a motor, a pendulum arm 67 interlockingly rotates, and an arm cam 64 is rotated in the clockwise direction through meshing of a pendulum gear 68 and a cam gear. As a result, a cap 71 is butted against a recording head 3 via an arm 72, and an urging force of a pressuring spring 74 is applied to tightly adhere the cap to the recording head. Thereafter, when the motor rotates opposite thereby rotating a holder 70 having a gear part 70a, a tube 73 is crushed by a roller 69 and a negative pressure is generated in the cap 71, whereby the ink is sucked from the recording head 3. A subsequent swing of the arm 72 separates the cap 71 from the recording head 3 while the minute negative pressure is kept applied in the cap 71.

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