US 12,324,972 B2
Explosion-proof hitting ball and training device including the same
Li-Lan Wu, Taichung (TW)
Assigned to AZUNI INTERNATIONAL CO., LTD., Taichung (TW)
Filed by Azuni International Co., Ltd., Taichung (TW)
Filed on Aug. 1, 2023, as Appl. No. 18/363,225.
Prior Publication US 2025/0041696 A1, Feb. 6, 2025
Int. Cl. A63B 69/22 (2006.01)
CPC A63B 69/224 (2022.08) [A63B 2225/093 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A training device comprising:
a base;
a connection rod assembly connected to and vertically extending upward from the base; and
an explosion-proof hitting ball including:
a tubular member made of plastic material and including an outer wall; and
a ball member made of explosion-proof material and including a tubular wall and a ball wall, the tubular wall and the ball wall being transverse and connected to each other to form a chamber, the tubular wall being disposed around the tubular member and integrally connected to the outer wall by a melting connection;
wherein the explosion-proof hitting ball is disposed around a proximal end of the connection rod assembly.