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US 2020/0197749 A1Published application
Core of bowling ball
AssigneeChi-Feng Lan
InventorsCHI-FENG LAN, CHI-HAO HUANG, YA-MEI YANG
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Abstract
A core of bowling ball includes a rotating disk, a center bearing, a finger hole bar and a plurality of joint pole. The center bearing is disposed on the center of the rotating disk. The finger hole bar is linked to the center bearing. The joint poles are passed through the center bearing and disposed horizontally with the finger hole bar.
Claims7
A core of bowling ball comprises:
- a rotating disk;
- a center bearing, disposed on the center of the rotating disk;
- a finger hole bar, linked to the center bearing;
- and
- a plurality of joint pole passed through the center bearing and disposed horizontally with the finger hole bar.
2 more elements
Dependencies are inferred from the claim text.