发明名称 Surface maintenance machine with rotary lip
摘要 A surface maintenance machine is disclosed including a body supported on a plurality of wheels and a power source for driving the wheels. The body carries a driven cylindrical brush and a powered rotary lip which cooperates with the brush to project dirt and debris into the hopper, each end of the rotary lip being supported for vertical movement.
申请公布号 US4624026(A) 申请公布日期 1986.11.25
申请号 US19820416659 申请日期 1982.09.10
申请人 TENNANT COMPANY 发明人 OLSON, DONALD L.;THOMSEN, DONALD L.
分类号 E01H1/08;E01H1/10 主分类号 E01H1/08
代理机构 代理人
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