Patents by Inventor Isao Hirayama

Isao Hirayama 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: 8393664
    Abstract: A winding device is provided behind a rearmost-row seat and extends in a vehicle width direction to wind up a tonneau cover member. The tonneau cover member comprises a cover body portion and a board portion connected to a rear end of the cover body portion and has its rear end portion capable of engaging with an engaged portion of a lift gate. The lift gate further includes a pair of restraint portions at a specified position of both end portions of the inner face thereof which is located above the engaged portion, which is operative to restrain the cover body portion from moving upward when the lift gate is fully open and the tonneau cover member engages with the lift gate through a contact thereof with the board portion to stop further upward moving of the board portion.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: March 12, 2013
    Assignee: Mazda Motor Corporation
    Inventors: Daisuke Yamada, Isao Hirayama, Naohiro Yamaguchi
  • Publication number: 20130020825
    Abstract: A winding device is provided behind a rearmost-row seat and extends in a vehicle width direction to wind up a tonneau cover member. The tonneau cover member comprises a cover body portion and a board portion connected to a rear end of the cover body portion and has its rear end portion capable of engaging with an engaged portion of a lift gate. The lift gate further includes a pair of restraint portions at a specified position of both end portions of the inner face thereof which is located above the engaged portion, which is operative to restrain the cover body portion from moving upward when the lift gate is fully open and the tonneau cover member engages with the lift gate through a contact thereof with the board portion to stop further upward moving of the board portion.
    Type: Application
    Filed: July 17, 2012
    Publication date: January 24, 2013
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Daisuke YAMADA, Isao HIRAYAMA, Naohiro YAMAGUCHI
  • Patent number: 8011711
    Abstract: In a tonneau cover device for a vehicle, an interlocking mechanism (interlocking means) 40 comprises a pair of pulleys 45, 46 disposed separated in a vertical direction at each of the left and right sides of a cargo compartment, a first linking wire 51 wrapped around the pulleys 45, 46 and connected to the rear end of a tonneau cover, a rotary member 50 whereabout the first linking wire 51 is wrapped or wound between the pulleys 45, 46, and a second linking wire 53 having an end thereof connected to the back door, another end thereof wrapped around and engaged with the rotary member 50, and rotating the rotary member 50 interlocked with opening and closing of the back door.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: September 6, 2011
    Assignees: Mazda Motor Corporation, Ashimori Industry Co., Ltd.
    Inventors: Isao Hirayama, Noriaki Haba, Tomoatsu Tani
  • Patent number: 7673921
    Abstract: A tonneau cover device comprises a front tonneau cover that is comprised of boards and provided on a front side of a vehicle body, a rear tonneau cover that is comprised of a rollable type of member and provided on a rear side of the vehicle body, and a slide mechanism that moves a rear end of the front tonneau cover and a front end of the rear tonneau cover substantially vertically. Accordingly, there can be provided the tonneau cover device of a vehicle, which is provided so as to extend substantially horizontally above the baggage compartment at the vehicle-body rear portion, which can pull the tonneau cover upward according to the opening-closing movement of the back door, facilitate loading of baggage when the back door is opened, and improve appearances of the back door.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: March 9, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Isao Hirayama, Noriaki Haba
  • Publication number: 20090058128
    Abstract: In a tonneau cover device for a vehicle, an interlocking mechanism (interlocking means) 40 comprises a pair of pulleys 45, 46 disposed separated in a vertical direction at each of the left and right sides of a cargo compartment, a first linking wire 51 wrapped around the pulleys 45, 46 and connected to the rear end of a tonneau cover, a rotary member 50 whereabout the first linking wire 51 is wrapped or wound between the pulleys 45, 46, and a second linking wire 53 having an end thereof connected to the back door, another end thereof wrapped around and engaged with the rotary member 50, and rotating the rotary member 50 interlocked with opening and closing of the back door.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Applicants: MAZDA MOTOR CORPORATION, ASHIMORI INDUSTRY CO., LTD.
    Inventors: Isao Hirayama, Noriaki Haba, Tomoatsu Tani
  • Publication number: 20080277957
    Abstract: A tonneau cover device comprises a front tonneau cover that is comprised of boards and provided on a front side of a vehicle body, a rear tonneau cover that is comprised of a rollable type of member and provided on a rear side of the vehicle body, and a slide mechanism that moves a rear end of the front tonneau cover and a front end of the rear tonneau cover substantially vertically. Accordingly, there can be provided the tonneau cover device of a vehicle, which is provided so as to extend substantially horizontally above the baggage compartment at the vehicle-body rear portion, which can pull the tonneau cover upward according to the opening-closing movement of the back door, facilitate loading of baggage when the back door is opened, and improve appearances of the back door.
    Type: Application
    Filed: December 26, 2007
    Publication date: November 13, 2008
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao HIRAYAMA, Noriaki HABA