Patents Assigned to Pei-Liang Chiu
  • Gravity return hinge having an axle rod in an axle sleeve
    Patent number: 4391020
    Abstract: An automatic return hinge having a primary and a secondary hinge, the primary hinge being furnished with an axle rod with spiral grooves, three locating balls in an axle sleeve roll along the spiral grooves on the axle rod as the door is opened and closed.
    Type: Grant
    Filed: June 3, 1981
    Date of Patent: July 5, 1983
    Assignee: Pei-Liang Chiu
    Inventor: Yun-Tung Hsu