Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1988-10-17
1990-01-09
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 3700
Patent
active
048923087
ABSTRACT:
A bowling ball has an oversized finger hole in which a rigid liner insert is secured. The rigid liner insert has an inner cylindrical bore with an internal threaded portion. A cylindrical finger receiving insert has an internal bore of a preselected diameter and an external cylindrical surface with external threads formed thereon. The finger receiving insert having an internal bore of a preselected diameter is threadedly secured in the liner insert to provide a bowling ball having a finger hole of a preselected diameter. The finger receiving insert may be threadably removed from the liner insert and another finger receiving insert with a different preselected diameter may be threadedly secured therein.
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Marlo George J.
Price, Jr,. Stanley J.
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