Golf club head

Details Golf club head Golf club head

1988-05-13

1990-09-18

Marlo, George J.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

273167H, A63B 5304

Patent

active

049572946

ABSTRACT:
There is disclosed a set of golf irons which have progressively decreasing displacements between the axis of the shaft and the center of mass projected to the horizontal plane beginning with the long irons and progressing to the short irons. Each iron in the set also has a support column behind the striking face, parabolic shaped horizontal grooves in the striking face, and a flat segment on the sole.

REFERENCES:
patent: D93862 (1934-11-01), Barnhart
patent: D163961 (1951-07-01), Penna
patent: D179816 (1957-03-01), Penna
patent: D179817 (1957-03-01), Penna
patent: D298643 (1988-11-01), Mitsui
patent: 1089881 (1914-03-01), Taylor
patent: 1582836 (1926-04-01), Link
patent: 1617090 (1927-02-01), Worthington
patent: 1695598 (1938-12-01), MacClain
patent: 1945844 (1939-02-01), Young
patent: 2332342 (1943-10-01), Reach
patent: 2447967 (1948-08-01), Stone
patent: 3814437 (1974-06-01), Winquist
patent: 4326326 (1982-04-01), MacDonald
patent: 4740345 (1988-04-01), Nagasaki et al.
patent: 4826172 (1989-05-01), Antonious

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