Single Hand Patents (Class 235/121)
  • Patent number: 9964390
    Abstract: A surveyor wheel has an assembling seat, a supporting element, a handle, and two wheels. The assembling seat has a moving direction, an upper surface, a lower surface, and two opposite ends. The upper surface of the assembling seat and the lower surface of the assembling seat are opposite each other. The supporting element is formed on the assembling seat, protrudes downward, and has a supporting end. The handle is formed on the assembling seat. The two wheels are rotatable and are respectively connected to the two opposite ends of the assembling seat. The supporting end of the supporting element is to abut against the ground or a horizontal surface to provide support.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: May 8, 2018
    Assignee: TOP MEASURE INSTRUMENT COMPANY
    Inventor: Yin-Wu Lai
  • Patent number: 4266780
    Abstract: A target with hit counter including a ratchet wheel rotatably mounted in a housing, and a target member pivotally mounted in the housing, with said member having a pawl for rotating the ratchet wheel a predetermined amount in a forward direction. The housing includes a second pawl mounted thereon for preventing reverse rotation of the ratchet wheel. The apparatus includes an element for biasing the target member toward the ratchet wheel, and a pointer fastened to the rotatable ratchet for indicating a score on a scoring board.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: May 12, 1981
    Assignee: Placo Products Company
    Inventor: Kenneth L. McQuary