发明名称 Surface cleaning head
摘要 A surface cleaning head comprises an upper section and a lower section. A front portion of the upper section extends forwardly of the lower section. At least a section of the front portion is transparent.
申请公布号 US9161666(B2) 申请公布日期 2015.10.20
申请号 US201012721286 申请日期 2010.03.10
申请人 Omachron Intellectual Property Inc. 发明人 Conrad Wayne Ernest
分类号 A47L5/28;A47L9/02;A47L9/24 主分类号 A47L5/28
代理机构 Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l. 代理人 Mendes da Costa Philip C.;Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l.
主权项 1. A surface cleaning head comprising: (a) a front end, a rear end and first and second opposed lateral sides; (b) a main body having an entrance to an enclosed air flow passage and a front portion that extends forwardly from the enclosed air flow passage, the front portion having a central brushless, planar portion and laterally spaced apart side portions that extend to the first and second opposed lateral sides such that, when the surface cleaning head is positioned on a surface to be cleaned, a lower surface of the front portion is spaced from and faces the surface to be cleaned; and, (c) an air flow passage extending from the front end to an air outlet, the air flow passage includes an open lower sided passage located between the lower surface and the surface to be cleaned when the surface cleaning head is positioned on the surface to be cleaned that extends concurrently horizontally and rearwardly to the entrance to the enclosed passage, wherein each side portion has a depending wall that extends downwardly from the central portion and is angled rearwardly and inwardly to define a sidewall of the open sided passage.
地址 Hampton, Ontario unknown