发明名称 Guard rail cleanout device
摘要 A device including a set of blades for removing dirt from underneath guard rails, with blades extending outward from the guard rail clean-out device in a cantilevered fashion to allow a user to extend the blades underneath and beyond the guard rails to remove dirt and gravel located under the guard rail while operating the device from the roadway.
申请公布号 US5127172(A) 申请公布日期 1992.07.07
申请号 US19910766980 申请日期 1991.09.27
申请人 LUND, KENNETH;BOESEL, THOMAS W. 发明人 LUND, KENNETH;BOESEL, THOMAS W.
分类号 E02F3/815 主分类号 E02F3/815
代理机构 代理人
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