Patent ID: 6663514
Filing Date: 2003-12-16
Classification: A63B

Abstract:
A racket frame comprising a frame body and a yoke connecting right and left parts of the frame body to each other;wherein the yoke and the frame body are connected by a mechanical connection means and/or an adhesive agent, with both ends of the yoke in contact with the right and left parts of the frame body in an area of not less than 10 cm2, the yoke has right and left connection auxiliary parts each extending from one end of a main part of the yoke that closes an opening of a string-stretched part of the frame body, each of the right and left connection auxiliary parts extending across a boundary between the string-stretched part and a throat part of the frame body; each of the right and left connection auxiliary parts of the yoke is extended to a shaft part along an inner surface of the throat part in such a way that a leading end of the right connection auxiliary part is continuous with that of the left connection auxiliary part to form an approximately hollow triangular space with the connection auxiliary part and the main part of the yoke.