Racket stringing tension measuring device

Details Racket stringing tension measuring device Racket stringing tension measuring device

1990-04-11

1991-10-29

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

73579, 73651, 73DIG1, G01L 510, G01L 110

Patent

active

050605240

ABSTRACT:
A device to measure the tension of the stringing of rackets used for playing tennis, squash, etc. which entails an end area to strike the said stringing and another adjacent area which includes a multiple diapason or tuning device. On striking the stringing, and depending on the tension of the strings, one tooth of the multiple diapason vibrates, thus providing a signal which can later be measured or digitalized to provide a measurement of the tension of the stringing.

REFERENCES:
patent: 3691894 (1972-09-01), Schneider et al.
patent: 4599898 (1986-07-01), Beer

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