发明名称 Planting system
摘要 A planting system with the special planter to dig uniform holes, puck type plant feeders to go in the holes and plastic dual planting trays. These can be used independently or in any combination. Features include a protective shroud, pulverizing the dirt by circulating it in an enclosed area, a tapered spiral ramp to help pile the dirt and pulverize it, a root cutter, ground clearing with spinning shroud, a friction plate to power ground clearing, pointed feet at the bottom of the shroud to stop the spinning when excavation starts, a rock sifter including a ramped face on the internal louvers, a rock catcher ring with flexible fingers, piling the dirt around the perimeter, hole depth measurement rings on the shaft, a slidable ring to select gap between the bottom of the shroud and the ground and an optional locking stop ring to guarantee uniform hole depth.
申请公布号 US6296068(B1) 申请公布日期 2001.10.02
申请号 US19990336070 申请日期 1999.06.18
申请人 FREDERICK W. RICHARD 发明人 FREDERICK W. RICHARD
分类号 A01C5/04;(IPC1-7):E21B10/26;A01C5/02 主分类号 A01C5/04
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