Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1988-11-07
1989-06-06
Coven, Edward M.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
428377, 428367, 273 80R, 273DIG7, 273DIG23, A63B 5310, D02G 300
Patent
active
048365459
ABSTRACT:
A two piece metallic and composite golf shaft utilizing metal for the construction of its lower tip section, and fiber/resin composite for the construction of its upper butt section, creating a hybrid golf shaft which retains the major characteristic advantages of these two shaft materials, while being largely free of their respective disadvantages; the shaft consisting of a tubular lower metallic tip section, comprising approximately one-third of total shaft length, having parallel or tapered sides, and a plurality of diametrally expanding steps at its upper terminal end where it joins a tubular upper composite butt section of larger diameter, having a lower end which telescopingly fits into and is bonded to the inside wall of the last elongated step of the lower metallic tip section, the junction between the two sections being flush, and from whence the upper composite butt section progressively tapers outwardly to its upper terminal end.
REFERENCES:
patent: 2809144 (1957-10-01), Grimes
patent: 4135035 (1979-01-01), Branen et al.
patent: 4188032 (1980-02-01), Yanagioka
patent: 4653216 (1987-03-01), Inoue
patent: 4725060 (1988-02-01), Iwanaga
Coven Edward M.
Passaniti S.
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