Patents by Inventor Toshio Shida

Toshio Shida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6666443
    Abstract: In a sheet finisher having a stacker for sheets conveyed from an image forming apparatus and a stapler for stacked sheets, the sheet finisher further has a conveying timing adjustment section arranged upstream of the stacker including: a conveying-in section for a sheet from the image forming apparatus; a conveying-out section separately provided from the conveying-in section; and a reversal conveying section for reversing a conveying direction of the sheet conveyed in one direction from the conveying-in section and for conveying-out from the conveying-out section. A controller controls the reversal conveying section such that at least a second bundle or a bundle after the second bundle of sheet bundles to be stapled by the stapler, in which a plurality of sheets having at least a top sheet and a succeeding sheet to the top sheet are overlapped each other, is conveyed-out from the reversal conveying section.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: December 23, 2003
    Assignee: Konica Corporation
    Inventors: Toshio Shida, Hiroyuki Wakabayashi, Tsuyoshi Tsuchiya, Mikihiro Yamakawa
  • Publication number: 20030227121
    Abstract: This invention relates to a sheet postprocessing apparatus for executing postprocessing including a punching process, folding process, binding process, and the like, midway along a sheet convey path, for sheets discharged from an image forming apparatus, and a folding method. This sheet postprocessing apparatus includes a sheet folding section having the first and second folding sections which are arranged in series in a sheet convey direction to execute folding processes for sheets. The sheet folding section is configured such that the first folding section performs the first folding process in a Z-fold process, the first folding process in an internal three-fold process, and a center folding process with an image-transferred surface facing outside, and the second folding section performs the second folding process in the Z-fold process, the second folding process in the internal three-fold process, and a center folding process with an image-transferred surface facing inside.
    Type: Application
    Filed: June 2, 2003
    Publication date: December 11, 2003
    Inventors: Mikihiro Yamakawa, Toshio Shida, Masahiro Kaneko
  • Publication number: 20030218298
    Abstract: The present invention is to provide a paper stacker for use with an image forming apparatus of a high copying speed. The paper stacker comprises a paper conveying means for conveying a paper with an image recorded thereon to a stacking position, a top end stopper provided reciprocatively movably along a conveying path of the paper, a paper receiving plate disposed below the conveying path of the paper for receiving a paper, a rear end stopper for defining the rear end position of the paper on the paper receiving plate, and an elevating device for changing the height of the paper receiving plate, wherein the top end stopper and the rear end stopper are provided movably in the same direction in the conveyance direction per a given number of papers. The papers are stacked only by shifting the top end stopper and the rear end stopper in the conveyance direction so that the stacker configuration is extremely simplified so as to enable a high speed.
    Type: Application
    Filed: May 16, 2003
    Publication date: November 27, 2003
    Inventors: Mikihiro Yamakawa, Toshio Shida, Masahiro Kaneko
  • Patent number: 6616135
    Abstract: A pasting binding apparatus for binding a bundle of sheets comprises a paste coating device to coat a paste in a form of a line onto a binding side of a sheet being conveyed on a conveying passage in a conveying direction by a conveying device; a pressing device located above the paste coating device and to stack the sheet coated with the paste onto the bundle of sheets and to press the sheet onto the bundle of sheets; and the conveying device to convey the sheet to the paste coating device and to the pressing device.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: September 9, 2003
    Assignee: Konica Corporation
    Inventors: Toshio Shida, Hitoshi Tamura, Tsuyoshi Tsuchiya, Toshitaka Matsumoto
  • Patent number: 6592056
    Abstract: A gluing device having therein a pressuring means which presses a glue container containing a liquid glue to eject contained glue from an ejection opening, a supply tube through which the ejected glue is transported from the glue container, a connecting means on the glue container side which connects the supply tube to the glue container, a connecting means on the supply tube side which detachably connects the connecting means on the glue container side to the supply tube, and a glue discharging means which receives the glue transported through the supply tube and delivers them from a nozzle opening, wherein there is provided a valve member provided inside the connecting means on the glue container side that makes the ejection opening to be opened and closed, and a protrusion is provided inside the connecting means on the supply tube side so that the protrusion presses the valve member to open the ejection opening when the connecting means on the supply tube side is connected to the connecting means on the su
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: July 15, 2003
    Assignee: Konica Corporation
    Inventors: Mikihiro Yamakawa, Tsuyoshi Tsuchiya, Katsunori Takahashi, Toshio Shida, Makoto Tamura, Toshitaka Matsumoto, Hitoshi Tamura
  • Publication number: 20030047858
    Abstract: A sheet puncher includes; a reversal conveying section having a displaceable stopping member by which a sheet is stopped at a predetermined position, and punching device; a conveying-in and conveying-out section having a conveying-in device and conveying-out device by which the sheet is conveyed from a main conveying path into the reversal conveying section, and the sheet is conveyed out from reversal conveying section to the main conveying path, wherein the sheet is conveyed into the reversal conveying section by the conveying-in device, and after the sheet is stopped at a predetermined position by the stopping member, the sheet is punched by the punch device, and the conveying direction is reversed by the stopping member and the sheet is carried from the reversal conveying section by the conveying-out device.
    Type: Application
    Filed: August 21, 2002
    Publication date: March 13, 2003
    Inventors: Tsuyoshi Tsuchiya, Toshio Shida, Mikihiro Yamakawa, Hiroyuki Wakabayashi
  • Publication number: 20030040415
    Abstract: A sheet folding method has the first introduction process to introduce a sheet between the first rotary folding body and the first rotary pressure-contact body, and between the second rotary folding body and the second rotary pressure-contact body, respectively; the first folding process in which, under the condition that the first and second rotary folding bodies are in contact with the first and second rotary pressure-contact bodies, respectively, and rotated in the reversal direction to each other, thereby the conveying force of reversal directions to each other is acted and the sheet is bent and a fold is formed, and the fold of the sheet is conveyed between the first and second rotary folding bodies thereby the sheet is folded; the second introduction process to introduce the sheet folded by the first folding process using the similar structure to the first introduction process; and the second folding process using the similar steps to the first folding process.
    Type: Application
    Filed: August 14, 2002
    Publication date: February 27, 2003
    Inventors: Mikihiro Yamakawa, Toshio Shida, Hiroyuki Wakabayashi, Tsuyoshi Tsuchiya
  • Publication number: 20030034604
    Abstract: In a sheet finisher having a stacker for sheets conveyed from an image forming apparatus and a stapler for stacked sheets, the sheet finisher further has a conveying timing adjustment section arranged upstream of the stacker including: a conveying-in section for a sheet from the image forming apparatus; a conveying-out section separately provided from the conveying-in section; and a reversal conveying section for reversing a conveying direction of the sheet conveyed in one direction from the conveying-in section and for conveying-out from the conveying-out section. A controller controls the reversal conveying section such that at least a second bundle or a bundle after the second bundle of sheet bundles to be stapled by the stapler, in which a plurality of sheets having at least a top sheet and a succeeding sheet to the top sheet are overlapped each other, is conveyed-out from the reversal conveying section.
    Type: Application
    Filed: August 8, 2002
    Publication date: February 20, 2003
    Inventors: Toshio Shida, Hiroyuki Wakabayashi, Tsuyoshi Tsuchiya, Mikihiro Yamakawa
  • Patent number: 6441929
    Abstract: An image reading apparatus having an original conveyance apparatus for conveying an original to a reading position, includes: a first mounting member for coupling the original conveyance apparatus to the image reading apparatus so that the original conveyance apparatus is displaceable with respect to the image reading apparatus substantially in a direction perpendicular to a conveyance direction of the original; a second mounting member for coupling the original conveyance apparatus to the image reading apparatus so that the second mounting member serves as a rotation axis when the original conveyance apparatus is displaced in the direction perpendicular to the conveyance direction; and a fixing member for fixing the original conveying member to the image reading apparatus after the original conveyance apparatus has been displaced with respect to the image reading apparatus with the second mounting member serving as the rotation axis.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: August 27, 2002
    Assignee: Konica Corporation
    Inventor: Toshio Shida
  • Publication number: 20020089111
    Abstract: A pasting and bookbinding method in which a leading edge of a sheet conveyed in a first conveying path having a sheet conveyor is brought into contact with a hitting member and the sheet skew is corrected, a linear paste coating portion is formed by a paste jetting device in the vicinity of a side edge portion of the sheet conveyed in a second conveying path in a direction perpendicular to the first conveying path, and plural sheets after the paste coating processing are stacked on a sheet stacking table provided below the second conveying path, and aligned by an aligner, and the linear pasted portion is pressed by a pressing device, and after a pasted booklet is produced, the booklet is delivered onto the delivery tray provided in the conveying direction downstream of the first conveying path and on an outside side surface of the apparatus.
    Type: Application
    Filed: December 31, 2001
    Publication date: July 11, 2002
    Inventors: Tsuyoshi Tsuchiya, Toshio Shida, Mikihiro Yamakawa, Katsunori Takahashi, Toshitaka Matsumoto, Takenobu Kimura
  • Publication number: 20020002943
    Abstract: A gluing device having therein a pressuring means which presses a glue container containing a liquid glue to eject contained glue from an ejection opening, a supply tube through which the ejected glue is transported from the glue container, a connecting means on the glue container side which connects the supply tube to the glue container, a connecting means on the supply tube side which detachably connects the connecting means on the glue container side to the supply tube, and a glue discharging means which receives the glue transported through the supply tube and delivers them from a nozzle opening, wherein there is provided a valve member provided inside the connecting means on the glue container side that makes the ejection opening to be opened and closed, and a protrusion is provided inside the connecting means on the supply tube side so that the protrusion presses the valve member to open the ejection opening when the connecting means on the supply tube side is connected to the connecting means on the su
    Type: Application
    Filed: June 28, 2001
    Publication date: January 10, 2002
    Applicant: Konica Corporation
    Inventors: Mikihiro Yamakawa, Tsuyoshi Tsuchiya, Katsunori Takahashi, Toshio Shida, Makoto Tamura, Toshitaka Matsumoto, Hitoshi Tamura
  • Patent number: 6321064
    Abstract: A document feeding apparatus includes a paper feeding tray, on which a document is placed, a transfer unit that transfers the document placed on the paper feeding tray to a platen glass, a paper delivery tray for receiving the document transferred to the platen glass, and a platen cover for the platen glass. A first paper delivery port is provided for delivering to a short size tray a document whose length in the transfer direction of the document is shorter than a predetermined value, and a second paper delivery port is provided for delivering to said paper delivery tray a document whose length in the transfer direction of the document is longer than the predetermined value. In addition, an image input portion, the second paper delivery port, and the first paper delivery port are arranged in order with a space therebetween in the transfer direction of the document.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: November 20, 2001
    Assignees: Konica Corporation, Nisca Corporation
    Inventors: Tsuyoshi Mizubata, Toshio Shida, Masanobu Kawano, Yasuhito Watanabe, Makoto Iino
  • Patent number: 6215976
    Abstract: An automatic document conveyance apparatus includes: a document feeding section on which a plurality of documents can be placed, for feeding documents one by one therefrom; a zigzag reversal path through which the document fed from the document feeding section is reversed with respect to front and back sides of each of the documents; a reading position forming device for forming an image reading position of the document fed zigzag from and conveyed to the zigzag reversal path; and a document ejection tray on which the document passed through the reading position forming device and ejected through an ejection path is placed.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: April 10, 2001
    Assignee: Konica Corporation
    Inventors: Toshio Shida, Tsuyoshi Mizubata, Satoru Endo, Masanobu Kawano, Kazuaki Itou, Osamu Kato
  • Patent number: 5884137
    Abstract: A two-sided copying apparatus includes: an image forming device for forming an image on a recording sheet; a fixing device for fixing the image on the recording sheet; a branching device for branching the recording sheet on which the image was fixed by the fixing device to eject outside the apparatus or to feed again inside the apparatus for a two-sided image formation; a plurality of holding devices each for holding one edge of the recording sheet fed again inside the apparatus, wherein the holding device temporarily stops while holding the recording sheet and feeds again in a reverse direction onto a transfer station; and a supporting and guiding device for supporting and guiding the plurality of the holding devices.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: March 16, 1999
    Assignee: Konica Corporation
    Inventors: Toshio Shida, Atsushi Ogane, Naoki Otomo, Hisao Sato, Kenji Kato, Hideki Endo
  • Patent number: 5382998
    Abstract: An image forming apparatus including a lower half body; an upper half body which is mounted on the lower half body and has an axis arranged in parallel to a sheet passage so that the upper half body can be pivoted around the axis; and a platen cover provided on the upper half body so as to open or close in the same direction as that of the upper half body: wherein the sum of pivot angle of the upper half body and the platen cover is smaller than 90 degrees.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: January 17, 1995
    Assignee: Konica Corporation
    Inventors: Toshio Shida, Hisao Satoh, Naoko Otomo, Takeshi Sakabe, Shigeru Okazaki, Tadayoshi Ikeda, Atsushi Ogane
  • Patent number: 5339133
    Abstract: An image forming machine in which a detachable process cartridge having a photoreceptor drum is provided. On the frame of the process cartridge, a magnetic connector is provided, in which a magnet and an outer plate surrounding the magnet are assembled, and a leaf spring is provided between the frame and the magnet. The process cartridge is positively grounded through the magnetic connector when the process cartridge is fully inserted into the main body of the machine, due to the magnetic connection to a plate of the main body.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: August 16, 1994
    Assignee: Konica Corporation
    Inventors: Naoki Otomo, Atsuo Ohmura, Toshio Shida
  • Patent number: 5299798
    Abstract: A sheet feeder for feeding a transfer sheet to a transfer region of an image forming machine such as a copier and a printer. The sheet feeder has a driving roller for driving a idle roller so that the transfer sheet is nipped between the driving roller and the idle roller, and conveyed to the transfer region; the idle roller for being rotated by the movement of the driving roller, in which a hardness of the idle roller is more than 0.degree. and not more than 60.degree. in Asuka C Scale; and a shutter for suspending and allowing the conveyance of the transfer sheet by opening and closing operations of the shutter. The driving roller of the sheet feeder is still rotating while the shutter is suspending the conveyance of the transfer sheet.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: April 5, 1994
    Assignee: Konica Corporation
    Inventor: Toshio Shida
  • Patent number: 5206681
    Abstract: A clamshell-type copying machine for reproducing an image of a document. The copy machine has a body flame consisting of an upper half body, a lower half body, and a hinge-like connector of these half bodies. There are provided a first urging member, located in a vicinity of the opening, and a second urging member, located in a vicinity of the connector. Both of these urging member urge the upper half body and the lower half body to be separated from each other in which an urging force of the second urging member is greater than that of the first urging member.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: April 27, 1993
    Assignee: Konica Corporation
    Inventors: Naoki Otomo, Toshio Shida
  • Patent number: 4974031
    Abstract: A toner collecting device for collecting residual toner removed from an image retainer by a cleaning device after a toner image formed in the image retainer has been transferred to a sheet of paper. The toner collecting device has therein a conveyor device for carrying the residual toner. The conveyor device has its leading end portion disposed at a central portion of the toner collecting device. The upper surface of the toner collecting device has functions to guide transfer paper and to support a transfer electrode, and the leading end portion of the conveyor device is provided with a toner distributing diffusion blade member.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: November 27, 1990
    Assignee: Konica Corporation
    Inventors: Junichi Koiso, Takayoshi Hashimoto, Toshio Shida
  • Patent number: 4819578
    Abstract: A toner collecting device for collecting residual toner removed from an image retainer by a cleaning device after a toner image formed on the image retainer has been transferred to a sheet of paper. The toner collecting device has therein a conveyor device for carrying the residual toner. The conveyor device has its leading end portion disposed at a central portion of the toner collecting device. The upper surface of the toner collecting device has functions to guide transfer paper and to support a transfer electrode, and the leading end portion of the conveyor device is provided with a toner distributing diffusion blade member.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: April 11, 1989
    Assignee: Konishiroku Photo Industry Company Ltd.
    Inventors: Junichi Koiso, Takayoshi Hashimoto, Toshio Shida