Tennis racket construction
作者： William G. Kuban
DOI:
关键词:
摘要: The present invention relates to the construction of sports rackets, such as those used for tennis and similar games. racket has weight means which moves transverse plane stringing, mounted adjacent bow or head provide inertial rebound deadening when strikes a ball.
lens.org 参考文章(3)
Francois Rene Lacoste, Tennis rackets and similar implements with vibration damper ,(1973)
Henry K Kerr, Hammer with detachable striking head faces ,(1961)
Aubrier Paul, Perfectionnement apporté aux raquettes de tennis ,(1951)