Patents Assigned to Jan Sports Products Corp.
  • Patent number: 5344139
    Abstract: A racket shaft mounting device includes a head frame to hold a network of catgut, and a tubular shaft having a front end connected to the head frame by a connecting device and a rear end terminated to a hand grip, wherein the head frame has two opposite ends fitted one into the other; the connecting device includes a connecting rod having one end fitted into a through hole through the connected two opposite ends of the head frame and an opposite end fitted into the tubular shaft, and a covering layer directly molded on the connecting area between the head frame and the tubular shaft.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: September 6, 1994
    Assignee: Jan Sports Products Corp.
    Inventor: Chao-I Wu
  • Patent number: 5322280
    Abstract: A racket handle is provided which includes a handle member and a rod member forming a lower section of the racket frame. The handle member includes an outer pipe member and an inner pipe member defining a longitudinally extending closed annulus. The rod member is insertable within a bore formed by the inner pipe member and extends to a closed section or end of the inner pipe member. An elastic ring is mounted in the annulus between the inner and outer pipe member to absorb vibrational forces.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: June 21, 1994
    Assignee: Jan Sports Products Corp.
    Inventor: Chao-I Wu
  • Patent number: 5310180
    Abstract: A racket frame which includes an oval frame connected to a handle through a throat for hanging a network of catgut therein. The oval frame includes at least one groove around an endless inner wall thereof to hold at least one catcut mounting frame. Each catgut mounting frame has a plurality of catgut mounting tabs for mounting a catgut in setting up a network of catgut within the oval frame.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: May 10, 1994
    Assignee: Jan Sports Products Corp.
    Inventor: Chao-I Wu