发明名称 Excavation bucket
摘要 An excavation bucket with a scoop provided at a bottom portion of the bucket to provided fine digging and grading of materials or trenches. The excavation bucket is particularly useful for digging trenches near utilities and finishing trenches at proper grade.
申请公布号 US5416990(A) 申请公布日期 1995.05.23
申请号 US19930165296 申请日期 1993.12.13
申请人 OTWELL, WILLIAM C. 发明人 OTWELL, WILLIAM C.
分类号 E02F3/40;E02F3/815;(IPC1-7):E02F3/407 主分类号 E02F3/40
代理机构 代理人
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