发明名称 Portable pitching mound
摘要 The present invention provides a portable pitching mound for use indoors or outdoors. The portable pitching mound has a height setting mechanism and a plurality of wheels for portability. The portable pitching mound is comprised of a supported base frame unit with an anti-sink device that supports a non-collapsible and non-removable single downward sloping ramp section, the surface of which is covered with artificial turf and contains a conventional pitching rubber. The portable pitching mound has a height setting mechanism that allows the mound to adjust to different heights or slopes to comply with the official baseball rules regarding the height of the mound. Wheel connection features allow for easy portability without any disassembly of the ramp or framed unit. A utility handle pull is also attached to assist in the rolling of the mound on the two wheels provided.
申请公布号 US7621831(B2) 申请公布日期 2009.11.24
申请号 US20060595690 申请日期 2006.11.10
申请人 ROBERTS CLIFF LEE 发明人 ROBERTS CLIFF LEE
分类号 A63B71/00 主分类号 A63B71/00
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