Patents by Inventor Eisuke NAKANISHI

Eisuke NAKANISHI 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: 10385596
    Abstract: A lid lock device attached to a vehicle includes: a housing; and a lock member which includes a main shaft portion, an intermediate portion extending from the main shaft portion, and a tip end portion extending from the intermediate portion and thinner than the main shaft portion, which is provided in the housing to be movable in an axial direction, and in which at least the tip end portion and the intermediate portion are disposed outside the housing, wherein the intermediate portion is configured to be narrow from the main shaft portion side toward the tip end portion side and the intermediate portion is provided with at least one inclination surface inclining downward in a direction toward the outside of the vehicle in a width direction of the vehicle and inclining to a central axis in a direction toward the tip end portion.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: August 20, 2019
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Eisuke Nakanishi, Toshihiro Kitamura, Takumi Niwa
  • Patent number: 10323449
    Abstract: An opening and closing apparatus of an opening and closing member includes a support member including a first support wall portion and a second support wall portion, a support pin including axially opposed end portions, a pulley arranged between the first and second support wall portions, a transmission belt engaged with the pulley, and an electric drive source moving the transmission belt. The first support wall portion includes a penetration bore into which one of the axially opposed end portions of the support pin is inserted and a slit continuously provided to the insertion bore. An engagement portion is provided at an axial tip end of the support pin, the engagement portion including a step engageable with a peripheral edge portion of the penetration bore and a tapered portion connected to the step and reduced in diameter from the step towards a tip end of the engagement portion.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: June 18, 2019
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Seiichi Suzuki, Shin Sakai, Eisuke Nakanishi
  • Patent number: 9945170
    Abstract: A door opening and closing apparatus opens and closes a slide door by cooperating with a guide roller unit fixed to the slide door of a vehicle. The guide roller unit includes a guide member and a belt-side bracket connected to the guide member. The door opening and closing apparatus includes a support member made of resin, plural pulleys supported at the support member, and a transmission belt engaged at the plural pulleys. The support member is fixed to a body of the vehicle and includes a rail portion at which the guide member is mounted. The belt-side bracket is fixed to the transmission belt. An electric drive source moves the transmission belt for opening and closing the slide door in a state where the guide member is guided along the rail portion. The support member includes an engagement portion configured to hold the belt-side bracket.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: April 17, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shin Sakai, Seiichi Suzuki, Eisuke Nakanishi
  • Publication number: 20170002597
    Abstract: A door opening and closing apparatus opens and closes a slide door by cooperating with a guide roller unit fixed to the slide door of a vehicle. The guide roller unit includes a guide member and a belt-side bracket connected to the guide member. The door opening and closing apparatus includes a support member made of resin, plural pulleys supported at the support member, and a transmission belt engaged at the plural pulleys. The support member is fixed to a body of the vehicle and includes a rail portion at which the guide member is mounted. The belt-side bracket is fixed to the transmission belt. An electric drive source moves the transmission belt for opening and closing the slide door in a state where the guide member is guided along the rail portion. The support member includes an engagement portion configured to hold the belt-side bracket.
    Type: Application
    Filed: December 22, 2014
    Publication date: January 5, 2017
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shin SAKAI, Seiichi SUZUKI, Eisuke NAKANISHI
  • Publication number: 20170002598
    Abstract: An opening and closing apparatus of an opening and closing member includes a support member including a first support wall portion and a second support wall portion, a support pin including axially opposed end portions, a pulley arranged between the first and second support wall portions, a transmission belt engaged at the pulley, and an electric drive source moving the transmission belt. The first support wall portion includes a penetration bore into which one of the axially opposed end portions of the support pin is inserted to be positioned and a slit continuously provided to the insertion bore. An engagement portion is provided at an axial tip end of the support pin, the engagement portion including a step engageable with a peripheral edge portion of the penetration bore and a tapered portion connected to the step and reduced in diameter towards a tip end of the engagement portion.
    Type: Application
    Filed: December 23, 2014
    Publication date: January 5, 2017
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Seiichi SUZUKI, Shin SAKAI, Eisuke NAKANISHI
  • Publication number: 20160290017
    Abstract: A lid lock device attached to a vehicle includes: a housing; and a lock member which includes a main shaft portion, an intermediate portion extending from the main shaft portion, and a tip end portion extending from the intermediate portion and thinner than the main shaft portion, which is provided in the housing to be movable in an axial direction, and in which at least the tip end portion and the intermediate portion are disposed outside the housing, wherein the intermediate portion is configured to be narrow from the main shaft portion side toward the tip end portion side and the intermediate portion is provided with at least one inclination surface inclining downward in a direction toward the outside of the vehicle in a width direction of the vehicle and inclining to a central axis in a direction toward the tip end portion.
    Type: Application
    Filed: March 15, 2016
    Publication date: October 6, 2016
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Eisuke NAKANISHI, Toshihiro KITAMURA, Takumi NIWA
  • Patent number: 9211841
    Abstract: A step apparatus for a vehicle includes a step panel facing an opening formed at a body of a vehicle and fixed to a step support portion which is provided at the body, the step panel made of resin and securing a moving path of an opening and closing member, the moving path being secured at a void defined between the step panel and the step support portion in a height direction of the vehicle, and a leg member connected to the step panel and configured to extend between the step panel and the step support portion at a predetermined position on the moving path in an open state of the opening and closing member, the leg member moving away from the moving path for clearing the moving path before the opening and closing member reaches the leg member during a closing operation of the opening and closing member.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: December 15, 2015
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Seiichi Suzuki, Shin Sakai, Eisuke Nakanishi
  • Publication number: 20150203043
    Abstract: A step apparatus for a vehicle includes a step panel facing an opening formed at a body of a vehicle and fixed to a step support portion which is provided at the body, the step panel made of resin and securing a moving path of an opening and closing member, the moving path being secured at a void defined between the step panel and the step support portion in a height direction of the vehicle, and a leg member connected to the step panel and configured to extend between the step panel and the step support portion at a predetermined position on the moving path in an open state of the opening and closing member, the leg member moving away from the moving path for clearing the moving path before the opening and closing member reaches the leg member during a closing operation of the opening and closing member.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 23, 2015
    Applicant: Aisin Seiki Kabushiki Kaisha
    Inventors: Seiichi SUZUKI, Shin Sakai, Eisuke Nakanishi
  • Publication number: 20150197974
    Abstract: An opening and closing apparatus for an opening and closing member includes a support member, a transmission belt, a plurality of pulleys including a pair of driven pulleys, a first support wall portion including a first support recess portion, a second support wall portion including a second support recess portion coaxial with the first support recess portion, the second support wall portion being disposed to face the first support wall portion, and a support pin including a first end portion fitted in the first support recess portion, a second end portion fitted in the second support recess portion, and a shaft portion formed at an intermediate portion in an axial direction to be sandwiched between the first support wall portion and the second support wall portion and rotatably supporting each of the driven pulleys, the shaft portion being eccentric relative to the first end portion and the second end portion.
    Type: Application
    Filed: January 13, 2015
    Publication date: July 16, 2015
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Seiichi SUZUKI, Shin SAKAI, Eisuke NAKANISHI