发明名称 Earth engaging implements
摘要 An earth engaging implement and tine construction comprising a tine having bolted thereto an adaptor having an upper surface externally tapered in cross section, an elongated slot extending through the adaptor to receive a bolt head, and the lower surface of the adaptor comprising a rediused portion and a flat portion. An earth engaging implement includes an earth engaging portion and an attachment portion, the attachment portion comprising a tapered socket of complementary cross sectional shape to the upper surface of the adaptor, and the earth engaging implement being secured to the adaptor by a wedging frictional grip on to the upper surface. The adaptor has an angle of inclination of the upper surface thereof when mounted on the tine which corresponds to the angle of attachment portion of the earth engaging implement when it is oriented for ground engagement.
申请公布号 US4638868(A) 申请公布日期 1987.01.27
申请号 US19850716624 申请日期 1985.03.27
申请人 RALPH MCKAY LIMITED 发明人 JOHNSON, WILLIAM M.;MERE, ILMAR
分类号 A01B15/02;A01B35/22;(IPC1-7):A01B23/02 主分类号 A01B15/02
代理机构 代理人
主权项
地址