Patents Assigned to Chang Yang Business Enterprise Co., Ltd.
  • Knee or elbow pad
    Patent number: 5222256
    Abstract: A knee or elbow pad comprising an inverted U-shaped stable member and two trapezoidal curved movable members symmetrically combined with the stable member by means of rivets to function as pivots to permit the movable members to move to spread or contract in relation to the stable member so that the pad can bend or straighten to conform to the position of a knee or an elbow of a wearer when the knee or the elbow is bent or straightened.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: June 29, 1993
    Assignee: Chang Yang Business Enterprise Co., Ltd.
    Inventor: Tien-Ching Wang