发明名称 Implement and spring tine mounting therefore
摘要 A double-coil spring tine is pivotally attached to a channel-shaped mounting bar of a harrow unit by a removable bracket. The portion of the tine connecting the coils is held loosely next to the mounting bar by the bracket so that the entire tine can pivot about the axis of the attaching portion. The portion of the tine on either side of the bracket is placed in tension rather than subjected to bending. Tines are individually replaceable without need to disassemble the mounting bar.
申请公布号 US4304306(A) 申请公布日期 1981.12.08
申请号 US19800112038 申请日期 1980.01.14
申请人 DEERE & COMPANY 发明人 MAUST, JR., JOHN E.;STEVENS, PHILLIP E.
分类号 A01B23/02;(IPC1-7):A01B23/02 主分类号 A01B23/02
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