Title:
TENSION METER FOR TENNIS RACKET
Document Type and Number:
Japanese Patent JP2005319238
Kind Code:
A
Abstract:
To provide a tennis racket with a tension meter to be a guide of changing the string of the tennis racket, which is the tennis racket with the tension meter for recognizing changing time at a glance since the number of times of practices or the like is different respectively while conventionally the changing time is decided by observing it with eyes and touching it with hands usually with three months as the guide.
The tension meter (3) is provided in order to recognize the tension degree of the string (2) of the tennis racket (1).
Inventors:
TAKAHASHI HIROSHI
Application Number:
JP2004165118A
Publication Date:
November 17, 2005
Filing Date:
May 06, 2004
Export Citation:
Assignee:
TAKAHASHI HIROSHI
International Classes:
A63B51/12; (IPC1-7): A63B51/12