Patent ID: 6224523
Filing Date: 2001-05-01
Classification: A63B

Abstract:
A cord controller for use with a game racket, said cord controller comprising:a housing consisting of a base and an upper cover joined detachably with said base, said base provided in an upper side thereof with a shaft, said cover having a cord outlet in communication with an interior space of said cover and atmospheric air, said base having on an underside at least one fastening portion adapted to be fixed to a head frame network of the game racket;a rotary seat provided with a receiving chamber having an opening and a pivoting hole extending from a top of said rotary seat to said receiving chamber, said rotary seat being mounted on said base by locating means such that said pivoting hole of said rotary seat is rotatably engaged to said shaft of said base;a volute spring disposed in said receiving chamber of said rotary seat such that a first end of said volute spring is fastened with said shaft, and that a second end of said volute spring is fastened with said rotary seat;a cord reel provided with a cord winding groove and a fitting hole which receives and engages said rotary seat, said cord reel being separably mounted on said rotary seat such that said fitting hole is fitted over said rotary seat so that said cord reel and said rotary seat rotate at the same time; anda cord wound in said cord winding groove of said cord reel such that a first end of said cord is fastened with said cord reel, and that a second end of said cord is extended into atmospheric air via said cord outlet of said housing for fastening with a ball;wherein when a player hits the ball the volute spring is compressed to return the ball to the head frame network, andwherein said cover can be separated from the base to permit removal of the cord reel from the rotary seat to adjust a length of the cord on the cord reel while leaving the rotary seat fixed to the head frame network.