Patents by Inventor Yuto Hanawa

Yuto Hanawa 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: 12104656
    Abstract: The present invention aims at providing a cam clutch that realizes a reduction in production cost, improves productivity and assemblability, and increases the degree of design freedom. The cam clutch includes: an inner race and an outer race that are coaxial and rotatable relative to each other; a plurality of cams circumferentially arranged between the inner race and the outer race; and positioning members that keep each two adjacent cams at fixed positions relative to each other. The positioning members are configured to link each two adjacent cams such as to be tiltable independently of each other.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: October 1, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventor: Yuto Hanawa
  • Publication number: 20240247692
    Abstract: An object of the present invention is to provide a selectable clutch that enables an improvement in the performance of maintaining orientations of cams, and allows simplification of the structure of biasing means, as well as reduction of the thrust required for the switching of operating modes. The object is achieved by a plurality of cams circumferentially held by a cage ring between an inner race and an outer race, and biased in an engaging direction by a biasing means. The cams are each configured to have the center of gravity located such that each of the cams functions as an engaging type cam when oriented in engagement with the inner race and the outer race, and such that each of the cams functions as a disengaging type cam in a tilted freewheel orientation not to contact with the inner race or the outer race.
    Type: Application
    Filed: November 27, 2023
    Publication date: July 25, 2024
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventor: Yuto Hanawa
  • Publication number: 20240229872
    Abstract: An object of the present invention is to provide a cam and a one-way cam clutch that realize a reduction in weight and production cost, provide more design freedom in setting the center of gravity of the cam, and achieve high responsiveness. The above object is achieved by a cam configured to make contact with an inner race and an outer race by a rotational moment applied in an engaged direction by an annular spring, in which a plurality of cam plates having an identical outer contour and arranged in parallel along a direction of the pivot axis are coupled together and united by a connecting pin extending in the direction of the pivot axis, and the annular spring is configured to be mountable between adjacent cam plates and/or on an outer side of the plurality of cam plates in the direction of the pivot axis.
    Type: Application
    Filed: January 3, 2024
    Publication date: July 11, 2024
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventor: Yuto HANAWA
  • Publication number: 20240133433
    Abstract: An object of the present invention is to provide a cam and a one-way cam clutch that realize a reduction in weight and production cost, provide more design freedom in setting the center of gravity of the cam, and achieve high responsiveness. The above object is achieved by a cam configured to make contact with an inner race and an outer race by a rotational moment applied in an engaged direction by an annular spring, in which a plurality of cam plates having an identical outer contour and arranged in parallel along a direction of the pivot axis are coupled together and united by a connecting pin extending in the direction of the pivot axis, and the annular spring is configured to be mountable between adjacent cam plates and/or on an outer side of the plurality of cam plates in the direction of the pivot axis.
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventor: Yuto HANAWA
  • Publication number: 20230140002
    Abstract: The present invention aims at providing a cam clutch that realizes a reduction in production cost, improves productivity and assemblability, and increases the degree of design freedom. The cam clutch includes: an inner race and an outer race that are coaxial and rotatable relative to each other; a plurality of cams circumferentially arranged between the inner race and the outer race; and positioning members that keep each two adjacent cams at fixed positions relative to each other. The positioning members are configured to link each two adjacent cams such as to be tiltable independently of each other.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 4, 2023
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventor: Yuto Hanawa