发明名称 Vacuum extractor
摘要 The vacuum extractor of the present invention is a self contained system for delivery of hot cleaning solution to a surface and vacuum removal of the spent solution either simultaneous with its application or at a later time through a vacuum system which deposits the spent cleaning solution in an upper housing. The extractor is configured to dump the cleaning solution from an upper housing which may be pivotally tipped upwardly from the front to enhance the draining of spent solution. The rear of the extractor of the present invention is configured to enable the extractor to be back up to and located adjacent a toilet bowl. The upper housing containing the spent solution is high enough to be pivoted over the toilet bowl and emptied, while still pivotally attached to the lower housing. The dump valve is positioned to be protected from damage from bumping surrounding structure. The point of pivotal movement of the upper housing is significantly rearward of the junction between the upper housing and the lower housing to enable the dump valve to be positioned further rearwardly upon tilting of the upper housing. The lower housing defines an inwardly spaced area to assist the extractor to be more closely positioned to a toilet bowl to facilitate a clean removal of the spent cleaning solution.
申请公布号 US5657509(A) 申请公布日期 1997.08.19
申请号 US19950437939 申请日期 1995.05.09
申请人 PROFESSIONAL CHEMICAL CORPORATION 发明人 TRAUTLOFF, GARY L.;BISSON, MONTGOMERY A.
分类号 A47L11/34;A47L11/40;(IPC1-7):A47L5/36 主分类号 A47L11/34
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