发明名称 SCRUBBING MACHINE
摘要 A scrubbing machine having a drive unit on which an operator can sit, and a separate scrubbing unit mounted for movement independently of the frame of the drive unit. The scrubber uses double brushes driven under power which will pick up debris from and scrub surfaces on which the unit is operating. The drive unit as shown operates on a dry surface because the scrubbing unit is trailing.
申请公布号 US3702488(A) 申请公布日期 1972.11.14
申请号 USD3702488 申请日期 1970.09.15
申请人 TENNANT CO. 发明人 JOSEPH G. KASPER
分类号 A47L11/00;A47L11/30;E01H1/04;E01H1/10;(IPC1-7):A47L11/29 主分类号 A47L11/00
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