Vacuum extraction cleaning machine

专利名称：Vacuum extraction cleaning machine发明人：Bill G. Finley,Terry L. Finley申请号：US05/947243申请日：19780929公开号：US04194262A公开日：19800325

摘要：A vacuum extraction cleaning machine adapted for coin operated applications.The cleaning machine comprises a remote cleaning tool for spraying cleaning solutionupon an area to be cleaned and for extracting dirty cleaning solution through vacuumsuction. Means located within the machine and coupled to the cleaning tool delivervacuum and cleaning solution thereto. Used or dirty cleaning solution extracted by thetool is recovered and temporarily stored within a vacuum tank. Structure associated withthe vacuum tank will automatically drain same when vacuum ceases at the end of themachine cycle. Injector valve means are provided to mix cleaning chemical with incomingfresh water to yield the necessary cleaning solution, and means are provided for couplingthe machine to an external pressurized water source to facilitate operation.

申请人：RUG SPECIALIST INC

代理人：Stephen D. Carver

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