Patents by Inventor Yasunori Ishikiriyama

Yasunori Ishikiriyama 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: 8066101
    Abstract: A belt device for driving an elevator is provided, the rest retaining capability of which is improved in order to retain the stopped state of an elevator cage if oil or water adheres to between a belt and a pulley. In the belt device for driving an elevator in which a belt 4 is stretched over a plurality of pulleys 1, 2, and 3, and the belt 4 is rotated by the rotations of the pulleys 1, 2, and 3, wherein the coefficient of friction of a contact surface with at least a driving pulley in the belt 4 is set to 0.6 to 3.0, and the contact surface is constructed of a rubber having a hardness (IRHD) of 65 to 95, and a wear resistance of 5 to 300 mm3 in Taber wear (ISO547-1-1999, under conditions: a wear ring of H18; a load of 1 kg; and 1000 rpm).
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: November 29, 2011
    Assignee: Nitta Corporation
    Inventors: Kazuyuki Yuasa, Yasunori Ishikiriyama, Atsuhito Wake
  • Publication number: 20100065404
    Abstract: The inventive curved belt includes first electrically conductive members provided to belt fabric in a first direction and second electrically conductive members provided to the belt fabric in a second direction that intersects the first direction. Static electricity accumulated in the curved belt is eliminated throughout the curved belt by the first and second electrically conductive members.
    Type: Application
    Filed: March 27, 2008
    Publication date: March 18, 2010
    Applicant: NITTA CORPORATION
    Inventors: Yasuaki TANIGUCHI, Yasunori ISHIKIRIYAMA
  • Publication number: 20080105496
    Abstract: A belt device for driving an elevator is provided, the rest retaining capability of which is improved in order to retain the stopped state of an elevator cage if oil or water adheres to between a belt and a pulley. In the belt device for driving an elevator in which a belt 4 is stretched over a plurality of pulleys 1, 2, and 3, and the belt 4 is rotated by the rotations of the pulleys 1, 2, and 3, wherein the coefficient of friction of a contact surface with at least a driving pulley in the belt 4 is set to 0.6 to 3.0, and the contact surface is constructed of a rubber having a hardness (IRHD) of 65 to 95, and a wear resistance of 5 to 300 mm3 in Taber wear (ISO547-1-1999, under conditions: a wear ring of H18; a load of 1 kg; and 1000 rpm).
    Type: Application
    Filed: May 26, 2005
    Publication date: May 8, 2008
    Inventors: Kazuyuki Yuasa, Yasunori Ishikiriyama, Atsuhito Wake