发明名称 PEDESTRIAN FOOTWEAR CLEANER
摘要 A footwear cleaner utilizing a plurality of foot operated vacuum controls which cause suction to be directed at the foot of a pedestrian. The device comprises a foot support grid and individually operated zoned vacuum directing means and preferably also includes reciprocation footwear contacting elements which project upwardly through the grid to mechanically loosen dirt from the bottom of the pedestrian's feet. Air flow downwardly around the footwear carries the dirt to a vacuum actuated dirt collection system.
申请公布号 US3649994(A) 申请公布日期 1972.03.21
申请号 USD3649994 申请日期 1970.11.09
申请人 EWELL J. HARRIS 发明人 EWELL J. HARRIS
分类号 A47L23/26;(IPC1-7):A47L7/02 主分类号 A47L23/26
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