Patent Number: 6,293,878

Title: Tennis racket with vibration damping member

Abstract: A tennis racket including a vibration damping member located in the vicinity of a position of a racket frame at which a large amplitude is generated when the tennis racket hits a tennis ball. The vibration damping member includes a mass adding part, such as a bracket assembly, having a portion extending in a widthwise direction of the tennis racket and a portion extending in a thickness direction thereof such that both portions are either integral or unintegral with each other; a viscoelastic material; a spring; or/and a damper each for connecting the mass adding part to the racket frame. The vibration damping member absorbs a vibration in an in-plane and an out-of-plane direction of the racket frame, and longitudinal and rotational impacts to be applied to a handle portion of the tennis racket.

Inventors: Iwatsubo; Takuzo (Hyogo, JP), Kanemitsu; Yumi (Hyogo, JP)

Assignee: Sumitomo Rubber Industries, Ltd.

International Classification: A63B 59/00 (20060101); A63B 49/02 (20060101); A63B 049/02 ()

Expiration Date: 09/25/2018