Patents by Inventor Shintarou KAWAGUCHI

Shintarou KAWAGUCHI 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).

  • Vessel propulsion apparatus
    Patent number: 8821201
    Abstract: A vessel propulsion apparatus includes a second shaft that is inserted in a first driven gear and in a second driven gear, that is connected to a dog clutch, and that is arranged to undergo a thrust. The vessel propulsion apparatus includes a first bearing disposed between the first driven gear and the second shaft, a second bearing disposed between the second driven gear and the second shaft, and a case to which a thrust applied to the second shaft is transmitted via the first bearing and the first driven gear or via the second bearing and the second driven gear. The vessel propulsion apparatus includes an adjusting member disposed between the second shaft and at least one of the first driven gear and the second driven gear and arranged to apply a preload onto the first bearing and the second bearing.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: September 2, 2014
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Shintarou Kawaguchi
  • VESSEL PROPULSION APPARATUS
    Publication number: 20140069218
    Abstract: A vessel propulsion apparatus includes a second shaft that is inserted in a first driven gear and in a second driven gear, that is connected to a dog clutch, and that is arranged to undergo a thrust. The vessel propulsion apparatus includes a first bearing disposed between the first driven gear and the second shaft, a second bearing disposed between the second driven gear and the second shaft, and a case to which a thrust applied to the second shaft is transmitted via the first bearing and the first driven gear or via the second bearing and the second driven gear. The vessel propulsion apparatus includes an adjusting member disposed between the second shaft and at least one of the first driven gear and the second driven gear and arranged to apply a preload onto the first bearing and the second bearing.
    Type: Application
    Filed: November 14, 2013
    Publication date: March 13, 2014
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Shintarou KAWAGUCHI
  • Vessel propulsion apparatus
    Patent number: 8616929
    Abstract: A vessel propulsion apparatus includes a second shaft that is inserted in a first driven gear and in a second driven gear, that is connected to a dog clutch, and that is arranged to undergo a thrust. The vessel propulsion apparatus includes a first bearing disposed between the first driven gear and the second shaft, a second bearing disposed between the second driven gear and the second shaft, and a case to which a thrust applied to the second shaft is transmitted via the first bearing and the first driven gear or via the second bearing and the second driven gear. The vessel propulsion apparatus includes an adjusting member disposed between the second shaft and at least one of the first driven gear and the second driven gear and arranged to apply a preload onto the first bearing and the second bearing.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: December 31, 2013
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Shintarou Kawaguchi
  • VESSEL PROPULSION APPARATUS
    Publication number: 20120231683
    Abstract: A vessel propulsion apparatus includes a second shaft that is inserted in a first driven gear and in a second driven gear, that is connected to a dog clutch, and that is arranged to undergo a thrust. The vessel propulsion apparatus includes a first bearing disposed between the first driven gear and the second shaft, a second bearing disposed between the second driven gear and the second shaft, and a case to which a thrust applied to the second shaft is transmitted via the first bearing and the first driven gear or via the second bearing and the second driven gear. The vessel propulsion apparatus includes an adjusting member disposed between the second shaft and at least one of the first driven gear and the second driven gear and arranged to apply a preload onto the first bearing and the second bearing.
    Type: Application
    Filed: February 22, 2012
    Publication date: September 13, 2012
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Shintarou KAWAGUCHI