Patents by Inventor Shinsaku YASUI

Shinsaku YASUI 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).

  • Publication number: 20230021845
    Abstract: An archery extension bar that attenuates vibration transmitted to a fixing portion due to vibration caused by restoration of a bow part after shooting of an arrow. The archery extension bar (3) includes: a support portion (9) having a predetermined length; a fixing portion (10), which is located on one end side of the support portion (9) in a longitudinal direction, and is configured to be fixed to a bow part (1); and a mounting portion (11), which is located on another end side of the support portion, and is configured to allow a sight (5) to be mounted thereto. The support portion has a small vertical sectional area portion (13), which has a vertical sectional area smaller than a vertical sectional area of the fixing portion and extends over an entire range or a part of a range of the support portion in the longitudinal direction.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 26, 2023
    Inventor: Shinsaku YASUI
  • Publication number: 20210207927
    Abstract: An archery sight mounting device (5) configured to mount an archery sight (6) to a bow main body (1) of an archery bow including a handle (2) having a pair of screw holes (3, 4) formed in such a manner as to be aligned in an up-and-down direction of the handle. A fixed member (9) is allowed to be fixed to the handle with a screw under a state in which the fixed member is inverted up and down. The fixed member has a pair of screw insertion holes (20) configured to allow insertion of fixing screws (19) that are threadedly engaged with the screw holes formed in the handle. The screw insertion holes are formed in such a manner as to be aligned in the up-and-down direction in a region closer to any one of end portions (21, 22) of the fixed member in the up-and-down direction.
    Type: Application
    Filed: January 5, 2021
    Publication date: July 8, 2021
    Inventor: Shinsaku YASUI