发明名称 Drainage structure cleaning tool and method
摘要 A tool for cleaning a culvert comprises a rod having a center longitudinal axis, a housing having a center longitudinal axis and coupled coaxially to the rod, the housing having an interior chamber, the housing has an outside dimension that can be accommodated within the culvert, and at least one paddle operable to rotate about the center longitudinal axis of the rod inside the interior chamber of the housing, the at least one paddle operable to dislodge and loosen debris inside the culvert.
申请公布号 US2006157096(A1) 申请公布日期 2006.07.20
申请号 US20060386021 申请日期 2006.03.21
申请人 HARR TECHNOLOGIES, LLC 发明人 HARR ROBERT E.
分类号 B08B3/00;B08B9/00;B08B9/04;B08B9/053;E01F5/00;E03F9/00 主分类号 B08B3/00
代理机构 代理人
主权项
地址