Tennis racquet string tension gauge

Details Tennis racquet string tension gauge Tennis racquet string tension gauge

1976-09-22

1978-08-01

Ciarlante, Anthony V.

Measuring and testing

Volumetric content measuring

G01L 506

Patent

active

041035461

ABSTRACT:
An inexpensive, accurate and portable gauge is disclosed for measuring the tension in the strings of a tennis racquet after it has been strung. The gauge includes a rigid frame supported across the head and an upper spring housing affixed to the frame and projecting toward the racquet face. A lower spring housing telescopically engages the upper housing which includes a pressure plate on its lower end for engaging a number of strings on the racquet face. A spring is disposed inside the upper and lower housings for biasing the pressure plate against the strings and an indicator on the upper and lower housings is calibrated to measure the force exerted by the tennis racquet strings on the spring by means of the pressure plate and thereby to provide an indication of the tension in the strings of the racquet.

REFERENCES:
patent: 3391574 (1968-07-01), Howard

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