Patents Assigned to Minoru Industrial Company, Limited
  • Tractor-drawn direct seed sowing apparatus
    Patent number: 5461993
    Abstract: A tractor-drawn seed sowing apparatus including a seed sower which travels on a ground surface while furrowing with furrow-cutting claw wheels, a power transmitter connected to a tractor so as to transmit a driving force of the tractor to the seed sower, and a coupler which connects the seed sower to the power transmitter, and the coupler is made of vertically and horizontally arranged linkages so that the seed sower can make up-and-down, pitching, rolling and yawing motions on irregular ground surfaces.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: October 31, 1995
    Assignee: Minoru Industrial Company, Limited
    Inventors: Junichi Ikumoto, Akio Yasuda