发明名称 ROADWORTHY RAIL BALLAST REGULATOR
摘要 A regulator moldboard and grader blade assembly is provided and includes a moldboard having at least one transversely extending pin, the pin having a notch with a surface inclined toward the moldboard. At least one grader blade has at least one mounting opening having a flared surface complementary to the notch so that the blade is hangable on the pin so that the notch draws the blade against the moldboard as a fastener tightens the blade to the moldboard.
申请公布号 CA2907381(A1) 申请公布日期 2016.04.16
申请号 CA20152907381 申请日期 2015.10.08
申请人 NORDCO INC. 发明人 BOYD, JAMES WILLIAM;SPENCE, DAVID A.;PIPOL, JUSTIN JEROME;THOMPSON, MICHAEL DAVID
分类号 E02F3/815;E01B27/02 主分类号 E02F3/815
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