专利检索 ap:("Byoung Koo Cho" OR "Chang Suk Han" OR "Chang Hee Chun" OR "Bo Sub Kim" OR "Yeon Uk Jeong") AND inv:"Chang Hee Chun" 第 1 页

1.

发明授权
Inclined structure of court floor for automatic supply in ball game 有权

公开(公告)号：US10806990B2

公开(公告)日：2020-10-20

申请号：US16028613

申请日：2018-07-06

申请人： Byoung Koo Cho , Chang Suk Han , Chang Hee Chun , Bo Sub Kim , Yeon Uk Jeong

发明人： Byoung Koo Cho , Chang Suk Han , Chang Hee Chun , Bo Sub Kim , Yeon Uk Jeong

IPC分类号： A63C19/02

摘要： The present invention relates to an inclined structure of a court floor having a new structure for easily collecting automatically supplying balls used in practice. According to an inclined structure of a court floor according to the present disclosure, the ball used for practice can be rolled down outwardly along the slope of the court, and then be collected in the collecting ditch and gathered in one place, so there is no need to collect scattered balls separately.