Patents by Inventor Yoshikazu Shimizu

Yoshikazu Shimizu 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).

  • Publication number: 20210178766
    Abstract: A liquid discharge apparatus is provided, which comprises a conveyor, a support member which supports a medium existing in a conveying passage, a head, a maintenance mechanism which has a wiper, and a wiper cleaner. The maintenance mechanism is opposed to a nozzle surface of the head and movable to a wiping position at which the wiper abuts against the nozzle surface and a cleaning position at which the wiper abuts against the wiper cleaner. The wiper cleaner is disposed at a position at which a part thereof is overlapped with the support member in a direction orthogonal to the nozzle surface under or below the support member.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 17, 2021
    Inventors: Mitsugi TANAKA, Yoshikazu SHIMIZU
  • Publication number: 20210170767
    Abstract: There is provided a printing apparatus including: a casing; a conveyance route formed in an internal space of the casing; a printing head positioned in the internal space of the casing, and configured to eject an ink to the sheet passing through the conveyance route; and a fixing device positioned in the internal space of the casing, at a location, of the conveyance route, at a downstream in the conveyance direction of the printing head, and configured to apply, to the sheet having the ink adhered thereon, an energy for fixing the ink so as to fix the ink to the sheet. A shortest distance A between the fixing device and the discharge port is longer than a shortest distance B between the printing head and the fixing device.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 10, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yutaka KAKIGAHARA, Kenta HAYASHIDA, Yoshikazu SHIMIZU
  • Patent number: 10221025
    Abstract: There is provided a conveyance apparatus including: a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source; an equipped unit including a drive portion to which the drive force is transmitted from the drive source in the main body; a first gear provided in the main body and rotated by the drive force transmitted thereto from the drive force; a first gear holder provided swingably in the main body to support the first gear; a second gear provided in the equipped unit to transmit the drive force to the drive portion; a second gear holder provided swingably in the equipped unit to support the second gear; and a third gear supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 5, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu Shimizu
  • Patent number: 10191401
    Abstract: An image forming apparatus has an image forming unit configured to form an image on a sheet, a first frame having a plate-like shape and made of metal, the first frame being configured to support the image forming unit, a second frame arranged on an opposite side, with respect to the first frame, of the first frame with sandwiching the image forming unit therebetween, the second frame having a plate-like shape and made of resin, the second frame being configured to support the image forming unit in association with the first frame, a third frame bridging between the first frame and the second frame, a sheet supplying unit being secured to the third frame, and a contacting part formed to each of the first frame and the second frame, contact parts formed to the third frame being configured to contact the first and second frames, respectively.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: January 29, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu Shimizu
  • Publication number: 20180079610
    Abstract: There is provided a conveyance apparatus including: a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source; an equipped unit including a drive portion to which the drive force is transmitted from the drive source in the main body; a first gear provided in the main body and rotated by the drive force transmitted thereto from the drive force; a first gear holder provided swingably in the main body to support the first gear; a second gear provided in the equipped unit to transmit the drive force to the drive portion; a second gear holder provided swingably in the equipped unit to support the second gear; and a third gear supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Application
    Filed: November 10, 2017
    Publication date: March 22, 2018
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu SHIMIZU
  • Patent number: 9815645
    Abstract: There is provided a conveyance apparatus including: a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source; an equipped unit including a drive portion to which the drive force is transmitted from the drive source in the main body; a first gear provided in the main body and rotated by the drive force transmitted thereto from the drive force; a first gear holder provided swingably in the main body to support the first gear; a second gear provided in the equipped unit to transmit the drive force to the drive portion; a second gear holder provided swingably in the equipped unit to support the second gear; and a third gear supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: November 14, 2017
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu Shimizu
  • Patent number: 9751706
    Abstract: There is provided a conveyance apparatus including a drive source, a conveyance roller, a conveying gear, a switching gear being movable toward a first or second position, a switching section, a supporting section, a feeding section, a drive section, a first gear engaged with the switching gear at the first position, a second gear engaged with the switching gear at the second position, and a controller. A first load when the switching gear is at the first position is smaller than a second load when the switching gear is at the second position. The controller has a conveying mode in which the switching gear is at the second position, and after driving the drive source till the sheet reaches the conveyance roller from the supporting section, the controller drives the drive source upon letting the switching gear to be at the first position by driving the switching section.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: September 5, 2017
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu Shimizu
  • Publication number: 20170107067
    Abstract: There is provided a conveyance apparatus including: a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source; an equipped unit including a drive portion to which the drive force is transmitted from the drive source in the main body; a first gear provided in the main body and rotated by the drive force transmitted thereto from the drive force; a first gear holder provided swingably in the main body to support the first gear; a second gear provided in the equipped unit to transmit the drive force to the drive portion; a second gear holder provided swingably in the equipped unit to support the second gear; and a third gear supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Application
    Filed: September 26, 2016
    Publication date: April 20, 2017
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu SHIMIZU
  • Patent number: 9452903
    Abstract: A conveyance apparatus includes a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source. An equipped unit includes a drive portion to which the drive force is transmitted from the drive source in the main body. A first gear is provided in the main body and is rotated by the drive force transmitted thereto from the drive force. A first gear holder is provided swingably in the main body to support the first gear, and a second gear is provided in the equipped unit to transmit the drive force to the drive portion. A second gear holder is provided swingably in the equipped unit to support the second gear, and a third gear is supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: September 27, 2016
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu Shimizu
  • Patent number: 9340378
    Abstract: An image forming apparatus includes a main body, a recording sheet receiving portion configured to receive a recording sheet, an image forming portion configured to form an image on the recording sheet, a particular feed roller configured to feed the recording sheet toward the image forming portion, and a holding frame configured to rotatably support the particular feed roller such that the particular feed roller is exposed toward the recording sheet receiving portion. The holding frame has a roller receiving portion configured to receive the particular feed roller therein and a replacement opening for exposing the particular feed roller toward an opposite side of the holding frame relative to the recording sheet receiving portion. The particular feed roller is configured to be attached to and removed from the holding frame via the replacement opening on the opposite side of the holding frame relative to the recording sheet receiving portion.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 17, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Junki Ueyama, Yoshikazu Shimizu
  • Publication number: 20150251866
    Abstract: There is provided a conveyance apparatus including a drive source, a conveyance roller, a conveying gear, a switching gear being movable toward a first or second position, a switching section, a supporting section, a feeding section, a drive section, a first gear engaged with the switching gear at the first position, a second gear engaged with the switching gear at the second position, and a controller. A first load when the switching gear is at the first position is smaller than a second load when the switching gear is at the second position. The controller has a conveying mode in which the switching gear is at the second position, and after driving the drive source till the sheet reaches the conveyance roller from the supporting section, the controller drives the drive source upon letting the switching gear to be at the first position by driving the switching section.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 10, 2015
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu SHIMIZU
  • Publication number: 20150252880
    Abstract: There is provided a conveyance apparatus including: a main body including a drive source, and a conveyance portion to which a drive force is transmitted from the drive source; an equipped unit including a drive portion to which the drive force is transmitted from the drive source in the main body; a first gear provided in the main body and rotated by the drive force transmitted thereto from the drive force; a first gear holder provided swingably in the main body to support the first gear; a second gear provided in the equipped unit to transmit the drive force to the drive portion; a second gear holder provided swingably in the equipped unit to support the second gear; and a third gear supported by a connecting shaft connecting the first and second gear holders to engage respectively with the first and second gears.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 10, 2015
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshikazu SHIMIZU
  • Patent number: 9126777
    Abstract: A sheet feeding mechanism is configured to feed a sheet, which has an actuator having a contact member configured to contact a sheet being fed, and a shaft configured to support the contact member, the shaft having a first end and a second end in a longitudinal direction, a first supporting part configured to support a first end portion of the shaft, a second supporting part configured to support a second end portion of the shaft, a detection unit configured to detect a position of the contact member, and an elastic supporting member configured to holds the first end portion of the shaft such that the shaft is displaceable in a direction perpendicular to the longitudinal direction.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: September 8, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoshikazu Shimizu, Masafumi Inoue
  • Patent number: 9026021
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a pair of register rollers including a driving roller and a dust remover roller, a dust scraper to scrape off dust from the dust remover roller, a dust container box, including a lateral plate and a protrusion, to contain the dust scraped off from the dust remover roller, a roller bearing attached to the lateral plate to be immovable and to rotatably support the dust remover roller, a scraper support swingably supported by the dust container box and to support the dust scraper, and a frame to swingably support the dust container box via a protrusion support, to rotatably support the driving roller, while a rotation axis of the driving roller is fixed to the frame, and to support the roller bearing to be slidable in an in-axes direction between the driving roller and the dust remover roller.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: May 5, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yoshikazu Shimizu
  • Patent number: 8781386
    Abstract: A paper particle removing device is provided with a paper particle removing roller configured to contact a printing sheet to capture paper particles on the printing sheet, a scraping member arranged adjacent to the paper particle removing roller and configured to contact the paper particle removing roller to scrape the paper particles, a paper particle container arranged on a scraping member side with respect to a position where the scraping member contacts the paper particle removing roller, and configured to collect the paper particles scraped by the scraping member, and a negatively-charged member arranged on the scraping member side with respect to a position where the paper particle removing roller contacts the scraping member and having a relative tendency in a triboelectric series to be negatively charged relative to the paper particles, the negatively-charged member inducing the paper particles scraped by the scraping member toward the paper particle container.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: July 15, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoshikazu Shimizu, Masafumi Inoue
  • Publication number: 20140086658
    Abstract: An image forming apparatus has an image forming unit configured to form an image on a sheet, a first frame having a plate-like shape and made of metal, the first frame being configured to support the image forming unit, a second frame arranged on an opposite side, with respect to the first frame, of the first frame with sandwiching the image forming unit therebetween, the second frame having a plate-like shape and made of resin, the second frame being configured to support the image forming unit in association with the first frame, a third frame bridging between the first frame and the second frame, a sheet supplying unit being secured to the third frame, and a contacting part formed to each of the first frame and the second frame, contact parts formed to the third frame being configured to contact the first and second frames, respectively.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 27, 2014
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventor: Yoshikazu SHIMIZU
  • Publication number: 20140084537
    Abstract: A sheet feeding mechanism is configured to feed a sheet, which has an actuator having a contact member configured to contact a sheet being fed, and a shaft configured to support the contact member, the shaft having a first end and a second end in a longitudinal direction, a first supporting part configured to support a first end portion of the shaft, a second supporting part configured to support a second end portion of the shaft, a detection unit configured to detect a position of the contact member, and an elastic supporting member configured to holds the first end portion of the shaft such that the shaft is displaceable in a direction perpendicular to the longitudinal direction.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 27, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshikazu Shimizu, Masafumi Inoue
  • Patent number: 8627942
    Abstract: A synchronized carrying system comprising: an overhead conveyor which transports a vehicle body; a floor-side conveyor which transports an underbody part; a control device which operates and controls the overhead conveyor and the floor-side conveyor; and a carrying device on which the underbody part is mounted, wherein the synchronized carrying system synchronizes the overhead conveyor and the floor-side conveyor during a process that loads the underbody part to the vehicle body.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: January 14, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yoshihiko Terazawa, Yoshikazu Shimizu, Akira Minamikawa, Masanao Iwasaki, Yuichi Yoshida
  • Publication number: 20130256971
    Abstract: An image forming apparatus includes a main body, a recording sheet receiving portion configured to receive a recording sheet, an image forming portion configured to form an image on the recording sheet, a particular feed roller configured to feed the recording sheet toward the image forming portion, and a holding frame configured to rotatably support the particular feed roller such that the particular feed roller is exposed toward the recording sheet receiving portion. The holding frame has a roller receiving portion configured to receive the particular feed roller therein and a replacement opening for exposing the particular feed roller toward an opposite side of the holding frame relative to the recording sheet receiving portion. The particular feed roller is configured to be attached to and removed from the holding frame via the replacement opening on the opposite side of the holding frame relative to the recording sheet receiving portion.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 3, 2013
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Junki . Ueyama, Yoshikazu Shimizu
  • Patent number: 8333373
    Abstract: An image forming apparatus includes an image forming unit, a housing including a sheet feed opening for feeding a recording sheet to the image forming unit, a tray which accommodates a recording sheet, and a feed member which rotates while pressing a recording sheet fed through the sheet feed opening to apply a transport force to the recording sheet. Also, the image forming apparatus may include a friction member provided to oppose the feed member, and contact the recording sheet from a side opposite to the feed member to apply a transport resistance to the recording sheet, a resin support frame which supports the friction member, and a metal transport chute which includes a guide part provided to contact the recording sheet fed from the tray to guide the recording sheet toward the image forming unit, the transport chute being formed integrally with the support frame.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: December 18, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Okuchi, Yoshikazu Shimizu