发明名称 Floor sweeping and scrubbing machine
摘要 A hard floor sweeping and scrubbing machine includes a mobile body comprising a frame supported on wheels for travel over a surface, a motorized cleaning head, a waste hopper, a hopper lift and a vacuum squeegee. The motorized cleaning head is attached to the mobile body and is configured to perform sweeping and scrubbing operations on the surface. The waste hopper is positioned on a rear side of the cleaning head and is configured to receive waste discharged from the cleaning head during the surface sweeping operations. The hopper lift is configured to raise the waste hopper from an operating position, in which the waste hopper is positioned adjacent the cleaning head, to a dumping position, in which the waste hopper is positioned to dump waste collected in the waste hopper. In one embodiment, the vacuum squeegee is attached to the hopper lift. Also disclosed is a method of cleaning a surface using embodiments of the machine.
申请公布号 US7448114(B2) 申请公布日期 2008.11.11
申请号 US20060418493 申请日期 2006.05.04
申请人 TENNANT COMPANY 发明人 BASHAM MICHAEL T.;LARSON WARREN L.;PETERSON, LEGAL REPRESENTATIVE BARBARA J.;WELLENS RICHARD W.;FLEIGLE MARK J.;DURENBERGER DON;HAYDEN BRENT;LEHMAN RON
分类号 A47L11/30;A47L7/00;E01H1/08 主分类号 A47L11/30
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