发明名称 Rock rake
摘要 A rock rake includes a succession of elongated strips. The strips may be arranged as nested bands. Each successive band has a perimeter which is larger than the previous band. The bands have an inner surface for pushing objects along the ground. A base member is attached to the nested bands. The base member includes a pole or handle or supports a pole or handle for guiding the rake. A picking member may also be attached to the base member to dislodge embedded rocks from the ground during use of the rake.
申请公布号 US2003046918(A1) 申请公布日期 2003.03.13
申请号 US20010951005 申请日期 2001.09.12
申请人 ROY MARC 发明人 ROY MARC
分类号 A01B1/00;A01D7/06;(IPC1-7):A01D7/00;A01D33/04 主分类号 A01B1/00
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