Games using tangible projectile – Golf – Club or club support
Patent
1996-06-03
1997-10-28
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
473316, A63B 5314, A63B 5312
Patent
active
056812264
ABSTRACT:
A golf club shaft is described which has an upper grip portion with significantly greater diameter than the largest diameter of the lower power portion, with the two portions joined by an S-shaped transition portion. The large diameter of the grip portion permits recreational players or players with relatively weak hands to exert more power and greater control of the fine movements of the club shaft and golf club. The grip section has a minimum diameter at least 35% greater than the maximum diameter of the power section and the transition section has a length not greater than 15% of the overall length of the shaft. The shaft may be made of any convenient material which can be formed into the curves of the transition section without imposing undue stresses in the curved portions. The shaft may be formed of metal or, preferably, a fiber/polymer composite material. The shaft permits the typical recreational player to improve his or her game by being able to obtain significantly better control of the alignment of club face and ball during the swing and shot, without requiring any increase in the player's normal hand and wrist gripping strength. It is also of utility for players who have arthritis or other debilitating conditions in their hands and wrists, in that it permits them to play better with their limited gripping ability, and in some cases permits resumption of limited play where to play at all had become unacceptably difficult because of the physical problems.
REFERENCES:
patent: 1167106 (1916-01-01), Palmer
patent: 2050554 (1936-08-01), Barnhart
patent: 3614101 (1971-10-01), Hunter
patent: 3837647 (1974-09-01), Jacques
patent: 4186924 (1980-02-01), Southey
patent: 4215860 (1980-08-01), Nakamatsu
patent: 4272077 (1981-06-01), Spivey
patent: 4330126 (1982-05-01), Rumble
patent: 4746120 (1988-05-01), Mockovak
patent: 5265872 (1993-11-01), Tennent et al.
patent: 5547189 (1996-08-01), Billings
Marshall James, Inc.
Passaniti Sebastiano
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