Patent ID: 7044871
Filing Date: 2006-05-16
Classification: A63B

Abstract:
1. A tubular bat, having an overall bat length, for hitting a ball, the bat comprising: a) a core shaft having a core shaft length, including a handle portion for gripping the bat; b) a cylindrical barrel having a proximal portion and a distal portion with respect to the handle portion and having a constant diameter between said proximal and distal portions, the barrel being connected to the core shaft; c) a first connecting structure for connecting the proximal portion of the barrel to the core shaft; d) a second connecting structure extending laterally from the core shaft for directly connecting the distal portion of the barrel to the core shaft; e) a separation gap disposed between the core shaft and the barrel;  wherein and wherein the first connecting structure and the second connecting structure respectively are elastically resilient flexible structures, and the first and second connecting structures each comprises a pleated shape.