Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent
1990-04-03
1992-01-14
Coven, Edward M.
Amusement devices: games
Puzzles
Take-aparts and put-togethers
273167C, 273167F, A63B 5304
Patent
active
050803654
ABSTRACT:
A golf club head characterized by: (1) a longitudinal division of the principal mass, (2) a high polar moment of inertia to mass ratio, (3) a striking surface structure with a first order resonant frequency of at least 2000 cps, (4) nearly equal yaw and pitch polar moments of inertia, (5) symmetry about and positive identification of longitudinal axis and sweet spot, (6) a striking surface which lies well forward of the neutral axes, and (7) a point of application of the stroking forces on the longitudinal axes and forward of the center of gravity.
REFERENCES:
patent: 3399898 (1968-09-01), Burkland
patent: 4010958 (1977-03-01), Long
patent: 4138117 (1979-02-01), Dalton
patent: 4141556 (1979-02-01), Paulin
patent: 4693478 (1987-09-01), Long
patent: 4872684 (1989-10-01), Dippel
patent: 4898387 (1990-02-01), Finney
Chiu Raleigh W.
Coven Edward M.
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