Patents by Inventor Motomu Masuzawa

Motomu Masuzawa 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: 4565484
    Abstract: A device for removably attaching a front working implement to a tractor body comprises a bearing portion provided on each side of the front portion of the tractor body and a fitting portion provided on a front portion of each brace of the implement. The bearing portion and the fitting portion are tapered and engageable with each other in a vertical direction. The brace has a lever plate for holding the fitting portion engaged in the bearing portion and a bolt for fastening the lever plate.
    Type: Grant
    Filed: June 1, 1983
    Date of Patent: January 21, 1986
    Assignee: Kubota Ltd.
    Inventors: Akio Hamada, Motomu Masuzawa, Yoshiaki Matsuda
  • Patent number: 4470751
    Abstract: An apparatus for attaching a front loader to a tractor or like vehicle comprises a pair of opposite lift arms removably connectable to the vehicle and pivotally movable upward and downward, a bucket supported by the front ends of the lift arms with pivots and pivotally movable upward and downward, bucket cylinders for pivotally moving the bucket, and a restraining member removably attached to the bucket for preventing the pivotal movement of the bucket relative to the ground. The lift arms as disconnected from the vehicle are moved by the bucket cylinders about the pivots to an attached position relative to the vehicle or to a removed position above the attached position and can be held in either position.
    Type: Grant
    Filed: June 2, 1982
    Date of Patent: September 11, 1984
    Assignee: Kubota, Ltd.
    Inventors: Motomu Masuzawa, Haruo Watanabe, Mikio Ishida, Akio Hamada