Racquet string tension measuring device

Details Racquet string tension measuring device Racquet string tension measuring device

1989-11-16

1991-09-17

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

G01L 504

Patent

active

050483528

ABSTRACT:
A measuring device for measuring the degree of tension of stringing in a racquet for tennis, squash etc. where string deflecting force and string deflection in response to the force are measured. The useful or real efficiency of a specific racquet can then be determined independently of the degree of elasticity of the material used for stringing.

REFERENCES:
patent: 4077256 (1978-03-01), Hollander
patent: 4116054 (1978-09-01), Howe
patent: 4590808 (1986-05-01), Lightfoot et al.
patent: 4846002 (1989-07-01), Brunner

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