发明名称 Agricultural share formed in two mirror image parts
摘要 An agricultural share formed in two parts wherein the parts are mirror images of one another and each part comprises a major face having a point, the face being defined by a first, inner edge extending rearwardly from the point and a second, outer edge extending rearwardly from the point and diverging at an acute angle away from the first edge, an upstanding flange disposed at an angle greater than 90 DEG to the major face, extending along at least part of the first edge and extending forwardly at least as far as the point, the parts being joined together along their inner edges by mating of the flanges to form a raised ridge.
申请公布号 US4482020(A) 申请公布日期 1984.11.13
申请号 US19830473646 申请日期 1983.03.09
申请人 JARVIS, H. FRANK 发明人 JARVIS, H. FRANK
分类号 A01B15/04;(IPC1-7):A01B15/04;A01B39/22 主分类号 A01B15/04
代理机构 代理人
主权项
地址