Title:
RACKET FRAME AND RACKET
Document Type and Number:
Japanese Patent JP2004236698
Kind Code:
A
Abstract:
To provide a racket frame capable of improving a holding feeling and controllability at the time of hitting a ball and a racket provided with the racket frame.
The racket such as a tennis racket is provided with the racket frame and gut spread on the racket frame. The racket frame is provided with a head part 11 having an outer peripheral part 2 and an inner peripheral part 3 and has an annular cross sectional structure stipulated by the outer peripheral part 2 and the inner peripheral part 3. Then, the cross sectional shape of the head part 11 is selected such that the shear center 5 on the annular cross section of the head part is positioned on the side of the outer peripheral part 2 rather than the center 6 of figure.
Inventors:
OMORI KAZUHIRO
KOZUKA AKIHIRO
KOZUKA AKIHIRO
Application Number:
JP2003026288A
Publication Date:
August 26, 2004
Filing Date:
February 03, 2003
Export Citation:
Assignee:
MIZUNO KK
International Classes:
A63B49/02; A63B49/14; A63B102/02; A63B102/04; (IPC1-7): A63B49/14; A63B49/02
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai