专利名称：Apparatus for removing debris from gutters,
troughs and other overhead open conduits
发明人：Arnold Lowenstein申请号：US12653168申请日：20091208公开号：US08561623B2公开日：20131022
专利附图：
摘要：The apparatus removes debris from overhead open conduits. The apparatusincludes a shaped conduit with closed sidewalls. The top portion of the shaped conduitexhibits a bend which permits it to reach into the open conduit. The portion of conduit
beneath the bend is straight. On the straight portion there is an on-off switch which sendsa wireless signal to a switch on a source of vacuum which is attached to the straightportion. Adjacent the on-off switch there may be a valve which controls an amount ofwater applied from a water line attached to the shaped conduit.
申请人：Arnold Lowenstein
地址：Hayward CA US
国籍：US
代理人：Shirley L. Church, Esq.
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