Golf club head having a high friction striking surface

Details Golf club head having a high friction striking surface Golf club head having a high friction striking surface

1988-08-08

1990-02-20

Marlo, George J.

Amusement devices: games

Surface projectile game; game element

Simulated game

A64B 5304

Patent

active

049020161

ABSTRACT:
An improved golf club head having a face or ball striking surface comprising a plurality of dimples, punch marks or depressions each of which is at least 0.02 inches deep and which, in a preferred embodiment, is characterized by a cross-section of truncated conical shape having a planar base having a diameter of at least 0.04 inches and a curved upper portion for merging tangentially into the adjacent face surface to form a surface diameter of at least 0.06 inches. A large array of equally spaced depressions provide substantially constant friction or spin force on the golf ball irrespective of angular deviations of the face from perpendicularity with the ball striking direction of the club head at the point of impact. The inventive club head is particularly advantageous in high loft configurations such as a wedge.

REFERENCES:
patent: 1535670 (1925-04-01), Kidd
patent: 1927083 (1933-09-01), Davis
patent: 4529203 (1985-07-01), Ribaudo
patent: 4802672 (1989-02-01), Long
"Rules of Golf 1986", United States Golf Association, Far Hills, N.J., pp. 92 & 93.

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