Title:
DYNAMIC DAMPER AND TENNIS RACKET MOUNTED WITH DYNAMIC DAMPER
Document Type and Number:
Japanese Patent JP3416634
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To eliminate an uncomfortable ball hitting feel by effectively suppressing the vibration in both an intra-surface direction and in an extra- surface direction.
SOLUTION: The dynamic damper 10 consists of a laminated structure of viscoelastic materials 12 and mass addition materials 11 which are continued as a grid having horizontal frame parts 13 and vertical frame parts 14 at their both ends. The dynamic damper is formed as an approximate grid form integrally or respectively discretely provided with materials described above.
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| JPS61131769 | APPARATUS FOR ADJUSTING WEIGHT OF RACKET |
Inventors:
Yumi Kanemitsu
Application Number:
JP2000287034A
Publication Date:
June 16, 2003
Filing Date:
September 21, 2000
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A63B49/035; A63B60/02; A63B60/54; F16F15/02; A63B102/02; (IPC1-7): A63B49/04; F16F15/02
Domestic Patent References:
| JP2000157649A | ||||
| JP6015358U |
Attorney, Agent or Firm:
Kazumi Owada