Games using tangible projectile – Bowling – Ball
Patent
1991-04-29
1993-11-02
Marlo, George J.
Games using tangible projectile
Bowling
Ball
A63B 3706
Patent
active
052578062
ABSTRACT:
A positive weighted balanced bowling ball is disclosed which comprises a spherical member which, for reference purposes, has a positive half and a negative half. A center weight in the shape of a segment of a sphere is located in the negative half of the member and a side weight in the shape of a segment of a sphere resides in the positive half of the spherical member. A top weight resides partially in the positive half and partially in the negative half of the member and the ball is provided with finger and thumb holes for gripping and manipulating the bowling ball. The center weight is of larger mass than the side weight and is located relatively close to the center of the ball whereas the side weight is located in a portion of the positive half relatively further from the center and near the exterior of the spherical member. The center weight and side weight are balanced when the bowling ball is at rest, and their centers of gravity and radii are considered.
REFERENCES:
patent: 3441274 (1969-04-01), Collins
patent: 3865369 (1975-02-01), Randolph
patent: 4121828 (1978-10-01), Amburgey
patent: 4320899 (1982-03-01), Salvino
patent: 4913429 (1990-04-01), Fabanich
patent: 5058901 (1991-10-01), Salvino
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