公开(公告)号：US09669274B1

公开(公告)日：2017-06-06

申请号：US15000079

申请日：2016-01-19

申请人： Alexander W. Renkis

发明人： Alexander W. Renkis

IPC分类号： A63B69/36 ,  A63B57/00

CPC分类号： A63B57/0006 ,  A63B57/10 ,  A63B71/0622 ,  A63B2069/0077 ,  A63B2220/13 ,  A63B2220/70 ,  A63B2220/801 ,  A63B2220/805

摘要： The present invention employs air pressure to suspend golf balls practice tees. A supply of golf balls is provided by a weather-resistant funnel connected to a pipe leading underground towards the fan. A sensor is used to determine if a golf ball is currently suspended in air and when to dispense a new ball.