Bowling ball assembly

Details Bowling ball assembly Bowling ball assembly

1977-08-19

1979-04-24

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

33174F, 273 63E, A63B 3700

Patent

active

041508220

ABSTRACT:
A bowling ball assembly comprising a spherical major body portion having a larger and a smaller cavity for insertion of larger and smaller plugs, the larger plug having an off-center cavity for insertion of a third plug. A thumb hole is located in either the smaller plug or the third plug, and a pair of finger holes is located in the other of those two plugs. All plugs are rotatable to adjust the orientation of and span between the thumb and finger holes. All plugs are releasably secured by set screws which are accessible from the exterior of the assembly. The assembly can be bowled with and is useful for accurately fitting a bowler.

REFERENCES:
patent: 531103 (1894-12-01), Dokkenwadel
patent: 1026069 (1912-05-01), Bendelari
patent: 2566511 (1951-09-01), Bassi
patent: 2693034 (1954-11-01), Watson
patent: 3383109 (1968-05-01), Jankiewicz et al.
patent: 3591177 (1971-07-01), Skuse
patent: 3861681 (1975-01-01), Kelsey

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