Apparatus for measuring the coefficient of friction of a golf ba

Details Apparatus for measuring the coefficient of friction of a golf ba Apparatus for measuring the coefficient of friction of a golf ba

1998-03-12

2000-01-25

Noland, Thomas P.

Measuring and testing

Frictional resistance, coefficient or characteristics

73859, G01N 1902

Patent

active

060166851

ABSTRACT:
The testing apparatus serves to measure the coefficient of friction of a golf ball. The apparatus has a base with a pair of flexure arms which carry inserts between which a golf ball may be pushed under a force in order to flex the flexure arms outwardly. Strain gauges record the flexing of the flexure arms in order to determine the force perpendicular to an insert. A load cell is employed to determine the amount of pushing force on the golf ball in order to determine a force parallel to the surface of the insert. The ratio of the two forces obtained serves as the coefficient of friction of a golf ball.

REFERENCES:
patent: 1825387 (1931-09-01), Esnault-Pelterie
patent: 3665757 (1972-05-01), Hoay
patent: 4498329 (1985-02-01), Bloomer, II et al.
patent: 4627293 (1986-12-01), Bechtel

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