发明名称 A GRADING APPARATUS FOR GRADING A SURFACE
摘要 The present invention relates to a grading apparatus (10, 210) comprising an elongate support arm assembly (12, 212) having a mount (16, 216) at one end for attachment to a vehicle (100), and a grading blade (14, 214) attache d to the opposing end of the support arm assembly. The grading blade can be positioned outwardly of the vehicle to grade a surface beside the vehicle as the vehicle moves forward.
申请公布号 CA2677332(A1) 申请公布日期 2008.08.14
申请号 CA20072677332 申请日期 2007.12.03
申请人 CHALLEN, DAVID WILLIAM;CHALLEN, WALLACE DAVID 发明人 CHALLEN, DAVID WILLIAM;CHALLEN, WALLACE DAVID
分类号 E02F3/76;E02F3/00;E02F5/00 主分类号 E02F3/76
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