发明名称 Surface working device and attachable protector
摘要 An end protector for a working element of a road grading machine or the like. The working element includes a body portion having a plurality of holes therein for holding picks that work a road surface. The end protector is held in place through the use of a vacant pick hole of the working element by a fastening element that extends through the hole.
申请公布号 US2003123934(A1) 申请公布日期 2003.07.03
申请号 US20020281351 申请日期 2002.10.28
申请人 WEAVER STEVEN;MCLEAN MICHAEL ANDREW;TRUEBODY MARK JAMES 发明人 WEAVER STEVEN;MCLEAN MICHAEL ANDREW;TRUEBODY MARK JAMES
分类号 E02F3/815;(IPC1-7):E01C19/26 主分类号 E02F3/815
代理机构 代理人
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