Golf club head structure

Details Golf club head structure Golf club head structure

1976-03-26

1977-12-27

Apley, Richard J.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

273167A, 273173, 273174, A63B 5304

Patent

active

040651339

ABSTRACT:
A golf club that may be either a wood, iron or putter that has a number of spaced grooves formed in the head thereof that are substantially normal to the ball striking surface of the head. The grooves, when the club is swung, serve as passages or ducts through which air flows to impart improved flight stability to the head. The grooves on the bottom or sole of the club head, not only serve the above function, but minimize the surface of the head that may contact the ground surface just prior to the striking surface of the head impacting a golf ball. Due to this lessened sole surface, the frictional drag between it and the ground surface is lessened, and kinetic energy in the head that would otherwise be dissipated by frictional drag with the ground surface is transferred to the golf ball to increase the distance the latter is driven.

REFERENCES:
patent: D192515 (1962-04-01), Henrich
patent: 1211708 (1917-01-01), Hudson
patent: 1418038 (1922-05-01), Tousey
patent: 1582836 (1926-04-01), Link
patent: 2550846 (1951-05-01), Milligan
patent: 3233905 (1966-02-01), Flom
patent: 3468544 (1969-09-01), Antonious
patent: 3595577 (1971-07-01), Hodge
patent: 3997170 (1976-12-01), Goldberg

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