发明名称 Tessellated cylindrical brush
摘要 A sweeping machine for picking up debris from a surface includes a frame and wheels attached to said frame to support the frame of the sweeping machine over the surface being swept. A cylindrical brush is rotatably attached to said frame. The cylindrical brush includes a tubular main body and tufts attached to said tube such that the tufts extend radially outward from said tube. The tube has regions devoid of tufts bounded by regions having tufts. The sweeping machine also includes a mechanism for rotating said cylindrical brush.
申请公布号 US2002007526(A1) 申请公布日期 2002.01.24
申请号 US20010952130 申请日期 2001.09.10
申请人 TENNANT COMPANY 发明人 D'COSTA JOSEPH F.;BASHAM MICHAEL T.;LARSON WARREN L.
分类号 A46B13/00;A47L11/24;(IPC1-7):A47L11/24;E01H1/05 主分类号 A46B13/00
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