Bat exercise, practice, and training device 申请(专利)号： US20070942541 专利号： US9101803B2 主分类号： A63B69 申请权利人： ROBERT BATTAGLINO 公开国代码： US 优先权国家： US 申请日： 2007-11-19 公开公告日： 2015-08-11 分类号： A63B69; A63B59 发明设计人： ROBERT BATTAGLINO 申请国代码： US 优先权： 20071119 US 94254107; 20041213 US 1202304; 20031212 US 52905403 摘 要 附 图： 摘 要： An exercise, practice, and training device has a transition piece adjustably connected to a distal end of a handle. An action receiving element is bendably connected to a distal portion of the transition piece and extends distally therefrom. The action receiving element is also connected to the transition piece by a biasing element that biases the action receiving element into alignment with the transition piece and enables bending during exercise, practice, and training by the user. 主权项： 1. A method of exercising, comprising: providing an exercise device which includes handle 本文来源：https://www.wddqw.com/doc/b72adfbe7dd5360cba1aa8114431b90d6d85890a.html