发明名称 Systems for positioning and tensioning wires in trellis systems for vineyards
摘要 In a vineyard or the like, a system for positioning and tensioning the wires which form the trellis disposed between and among an array of metal posts upon which vines are trained, including retainers for selectively positioning wires relative to the metal posts and each other and further including a subsystem for applying the appropriate tension to the various wires making up the trellis.
申请公布号 US6293521(B1) 申请公布日期 2001.09.25
申请号 US19990371758 申请日期 1999.08.10
申请人 PARRISH DAVID E. 发明人 PARRISH DAVID E.
分类号 A01G17/08;B21F9/00;E04H17/10;F16G11/12;(IPC1-7):B21F9/00 主分类号 A01G17/08
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