Patents Assigned to KEN ICHI MACHINE CO., LTD.
  • Counterweight mechanism for swivel arrangement
    Patent number: 9616536
    Abstract: A counterweight mechanism for a swivel arrangement includes first and second counterweights each including a seat, an axle, and two cylinders. The swivel arrangement has one end adjacent to the axle. The axle is rotatably, partially disposed in the seat. Each cylinder has a first end pivotably secured to a position proximate to the axle and a second end pivotably secured to the seat.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: April 11, 2017
    Assignee: KEN ICHI MACHINE CO., LTD.
    Inventor: Ming-Yueh Yeh