专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明专利

JP2003182194A IMAGING APPARATUS, CONSUMABLES FOR USE THEREIN, AND METHOD FOR JUDGING APPROPRIATENESS OF CONSUMABLES 审中-公开
公开(公告)号：JP2003182194A
公开(公告)日：2003-07-03
申请号：JP2001387793
申请日：2001-12-20
申请人： HITACHI LTD
发明人： KANEKO AKINORI , ONOSE ATSUSHI , SAITO MASAHIKO , TSUNOHASHI TAKASHI , ONISHI KAZUTOMI
IPC分类号： B41J29/46 , G03G21/00 , G03G21/18 , H04N1/00
摘要： PROBLEM TO BE SOLVED: To provide an imaging apparatus in which a decision is made appropriately whether consumables being used in the imaging apparatus are appropriate or not. SOLUTION: Consumables 7 for imaging are provided with a means 2 for storing the production time information of consumables and the imaging apparatus body 1 is provided with a means 3 for communicating with the consumables storing means 2, a recorder 5 for recording the actual time of the imaging apparatus, and a means 6 for judging whether the difference between the current actual time recorded by the actual time recorder 5 and the production time information of consumables read out through the communicating means 3 and stored in the consumables storing means 2 is equal to or longer than a predetermined period or not, and making a decision that the consumables are inappropriate if the difference is equal to or longer than the predetermined period otherwise the consumables are appropriate. COPYRIGHT: (C)2003,JPO

12. 发明专利

JP2002196582A DEVELOPING DEVICE AND ELECTROPHOTOGRAPHIC DEVICE USING THE SAME 失效
公开(公告)号：JP2002196582A
公开(公告)日：2002-07-12
申请号：JP2000394085
申请日：2000-12-26
申请人： HITACHI LTD
发明人： ONISHI KAZUTOMI , MIYASAKA TORU , SAITO MASAHIKO , YOSHIDA TOMOSHI , TAKEYA MASAHARU
IPC分类号： G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a compact, inexpensive and high image quality developing device capable of forming a uniform toner thin layer on a toner carrier with simple constitution. SOLUTION: A toner regulating member is bent at least once in parallel with the rotary shaft direction of the toner carrier, and one surface of the bent toner regulating member is made to press-contact with the toner carrier, and the other surface thereof is held by a toner regulating member supporting body whose center part is displaced with respect to both ends so as to project in the same direction as the bent direction of the toner regulating member.

13. 发明专利

JP2001109225A COLOR IMAGE FORMING DEVICE 失效
公开(公告)号：JP2001109225A
公开(公告)日：2001-04-20
申请号：JP28768599
申请日：1999-10-08
申请人： HITACHI LTD
发明人： SHIMADA AKIRA , MIYASAKA TORU , ONISHI KAZUTOMI , OIKAWA AKIKO , SASAKI AKIRA , SAITO MASAHIKO
IPC分类号： G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of toner leakage from a developing device corresponding to colors of a color image forming device by the influence of ozone generated from an electrostatic charging device. SOLUTION: Developing devices of respective colors are arranged in order of the colors having the higher resistance to toner leakage successively from the points nearer the electrostatic charging device which is an ozone generating source or the ozone concentration in developing positions is lowered to

14. 发明专利

JPH1152713A DEVELOPING DEVICE AND IMAGE FORMING DEVICE PROVIDED WITH THE SAME 失效
公开(公告)号：JPH1152713A
公开(公告)日：1999-02-26
申请号：JP20896797
申请日：1997-08-04
申请人： HITACHI LTD
发明人： OKANO TADASHI , SAITO MASAHIKO , TERAJIMA ISAMU , TAKEYA MASAHARU , MIYASAKA TORU , ONISHI KAZUTOMI
IPC分类号： G03G21/16 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of stably forming a uniform toner thin layer having a specified thickness on a toner carrier for a long time, sasily exchanging its parts and being recycled, and to provide an image forming device provided with the developing device. SOLUTION: The toner carrier 31 holding toner supplied from the toner supplying roller 32 of a housing main body 39 on the outer peripheral surface, a toner layer thickness control member 34 brought into press-contact with the outer peripheral surface of the carrier 31, triboelectrifying the toner, and also forming a toner layer on the carrier 31, and a toner carrier unit 38 obtained by integrtating the carrier 31 with a holding member holding the member 34 can be freely directly attached/detached from the outside of the body 39 of the developing device 30.

15. 发明专利

JPH0830001A ELECTROPHOTOGRAPHIC BELT PHOTORECEPTOR 失效
公开(公告)号：JPH0830001A
公开(公告)日：1996-02-02
申请号：JP16355494
申请日：1994-07-15
申请人： HITACHI LTD
发明人： MIYASAKA TORU , ONISHI KAZUTOMI , AKASAKI TETSURO , NIWA KOICHI , ONODERA HIROYUKI , AOYANAGI YUJI , SUZUKI MOTOYUKI
IPC分类号： G03G5/10 , G03G5/00
摘要： PURPOSE:To obtain printed images free from image defects and to prolong the life of a photoreceptor belt by specifying the shape of the stepped part of a belt joint. CONSTITUTION:A sheet photoreceptor which is obtd. by forming an aluminum layer 2 formed by a vapor deposition treatment of aluminum on a base film 3 consisting of a PET film and footing a photoreceptor layer 1 thereon is connected by ultrasonic fusion welding 4 at about 1mm width. Further, the front surface of the juncture formed in such a manner is formed with a post treatment region 5 where a resin is applied and is corrected in its shape. In such a case, the post treatment is executed in such a manner that the surface difference in level in the post treatment region 5 as the shape after the post treatment is below the radius of carriers or other foreign matter anticipated to adhere on the photoreceptor in an electrophotographic process utilizing the belt photoreceptor and that at least either of the contact angles of the end of the post treatment region and the surface of the photoreceptor are below 15 deg.C.

16. 发明专利

JP2002162830A DEVELOPER UNIT FOR ELECTROPHOTOGRAPHIC DEVICE 失效
公开(公告)号：JP2002162830A
公开(公告)日：2002-06-07
申请号：JP2000361181
申请日：2000-11-28
申请人： HITACHI LTD
发明人： ONISHI KAZUTOMI , MIYASAKA TORU , SAITO MASAHIKO , YOSHIDA TOMOO , TAKEYA MASAHARU
IPC分类号： G03G15/08 , F16C33/10
摘要： PROBLEM TO BE SOLVED: To provide a small-sized, high productivity and high performance developer unit constituted such that torque increase and shaft locking caused by toner-sticking to a bearing part may be prevented for a long period of service life by a simple constitution. SOLUTION: The developer unit for an electrophotographic device is provided with a toner storing chamber for storing the toner as developer, a toner carrier for carrying the toner, a toner supply means for supplying the toner stored in the toner storing chamber to the toner carrier, a thin toner layer control means for controlling so that the thin toner layer carried on the surface of the toner carrier may be made uniform, a rotary shaft mounted on the toner supply means, and the bearing part for freely rotatably supporting the rotary shaft, a lubricating oil storing part for storing lubricating oil to be supplied to the sliding surface of the bearing part that is arranged in the rotary shaft or in the bearing part.

17. 发明专利

JP2001134095A DEVELOPING DEVICE, AND ELECTROPHOTOGRAPHIC DEVICE ADOPTING SAME 失效
公开(公告)号：JP2001134095A
公开(公告)日：2001-05-18
申请号：JP31633899
申请日：1999-11-08
申请人： HITACHI LTD
发明人： ONISHI KAZUTOMI , MIYASAKA TORU , SAITO MASAHIKO , YOSHIDA TOMOSHI , TAKEYA MASAHARU
IPC分类号： G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device of small sized, inexpensive and high performance, making toner supply stably performed over a long period with a simple structure. SOLUTION: In this device, a separating member supporting body for supporting a route separation member separating a feeding route feeding the toner on a developing roll and the recovering route recovering surplus toner being controlled by a control blade is disposed at least, on one location.

18. 发明专利

JP2000206757A COLOR IMAGE FORMING DEVICE 失效
公开(公告)号：JP2000206757A
公开(公告)日：2000-07-28
申请号：JP259399
申请日：1999-01-08
申请人： HITACHI LTD
发明人： SHIMADA AKIRA , MIYASAKA TORU , ONISHI KAZUTOMI , SAITO MASAHIKO , SASAKI AKIRA
IPC分类号： G03G15/00 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To improve image quality by installing a developing device for a color with lowest lightness to a position where the time from exposure to developing is the shortest and installing a developing device for a color with the highest lightness to a position where the time from exposure to developing is the longest. SOLUTION: In this color image forming device, developing device 5K for black is installed at the nearest position to an exposure device 4 and developing device 5Y for yellow is installed at the furthest position from the exposure device 4. The order of installment of a developing device 5M for magenta and a developing device 5C for cyan can be in any sequence since the lightness of the color images are close. The photoreceptor belt 2 is uniformly electrified by an charging device 2. Next, exposure by the exposure device 4 is carried out for image and character information from a personal computer, an image scanner or the like in units of dots and an electrostatic latent image is formed on a photoreceptor belt 2. After that, the electrostatic latent image on a photoreceptor belt 2 is visualized as a toner image by being developed by one of the developing devices 5Y, 5M, 5C or 5K and fed to a transfer position 22a.

19. 发明专利

JPH11102118A ONE-COMPONENT DEVELOPING DEVICE 失效
公开(公告)号：JPH11102118A
公开(公告)日：1999-04-13
申请号：JP26133497
申请日：1997-09-26
申请人： HITACHI LTD
发明人： ONISHI KAZUTOMI , MIYASAKA TORU , SAITO MASAHIKO , OKANO TADASHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To surely perform toner sealing without increasing the pressing pressure of a seal member at the end of a developing roll by constituting a toner sealing means so that the infiltration of excess toner and toner after developing into a sliding part between the developing roll and a developing device housing may be restrained. SOLUTION: The toner 9 in a toner storage chamber 6 is carried to the developing roll 1 side by the rotation of carrying blades 3, 7 and 8. This device is constituted by providing the toner sealing member whose shape of a side on the center side of the developing device is made oblique in the developing device housing as a toner sealing method for restraining the infiltration of the excess toner left after regulation and the toner after developing out of the toner 9 supplied to the roll 1 side into the sliding part between the roll 1 and the developing device housing. Thus, the toner 9 concentrated on the sliding part is pushed back to the center part of the developing device, so that the infiltration of the toner to the sliding part between the end of the roll 1 and the developing device housing is restrained.

20. 发明专利

JPH11102106A ONE-COMPONENT DEVELOPING DEVICE 失效
公开(公告)号：JPH11102106A
公开(公告)日：1999-04-13
申请号：JP26133697
申请日：1997-09-26
申请人： HITACHI LTD
发明人： MIYASAKA TORU , AONO YOSHINORI , ONISHI KAZUTOMI , SAITO MASAHIKO , OKANO TADASHI , TAKEYA MASAHARU
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To form a stable toner layer by providing a toner supply chamber and a toner collection chamber and perfectly separating them through a sheet- like member coming in contact with a developing roll. SOLUTION: This device is provided with the toner supply chamber 12 supplying toner 9 to the developing roll 1 and the toner collection chamber 13 collecting surplus toner regulated by a regulating blade 5, and the chambers 12 and 13 are perfectly separated through the sheet-like member 14 coming in contact with the roll 1. The toner 9 supplied to the chamber 12 by the member 14 is pressed to the roll 1. Furthermore, a carrying paddle carrying new toner 9 in a toner storage chamber 7 proximate to the chambers 12 and 13 together with the toner collected from the chamber 13 to the chamber 12 side is arranged in the chamber 7, and a wall 17 is formed near the paddle so that toner amount near the paddle may not be influenced by the toner amount in the entire chamber 7.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式