Billiard cue

Details Billiard cue Billiard cue

1998-11-25

2000-08-29

Graham, Mark S.

Games using tangible projectile

Billiards or pool

Cue

A63D 1508

Patent

active

06110051&

ABSTRACT:
A billiard cue includes a shaft having a hollow bore extending from at least a predetermined distance from a first end toward a second end. The bore forms an outer wall in the shaft having a thickness between about 0.03 and 0.05 inches. The shaft is preferably formed of a composite material consisting of fibers in a binder, such as carbon fibers in an epoxy resin. The shaft material has a modulus of elasticity of at least 4.3.times.10.sup.6 psi. The bore extending from the first end of the shaft, the thin wall thickness of the shaft adjacent to the first end and the material forming the shaft combine to decrease the mass of the tip end of the shaft while maintaining substantially all of the stiffness of a conventional shaft formed of a hard maple to minimize buckling of the tip end of the shaft and thereby substantially decrease deflection of the cue ball from its intended path of movement along a path parallel to the stroke axis of the shaft.

REFERENCES:
patent: 4816203 (1989-03-01), Son-Kung
patent: 5112046 (1992-05-01), Thorpe

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