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Suction cleaning head

  • US 5,485,652 A
  • Filed: 03/04/1993
  • Issued: 01/23/1996
  • Est. Priority Date: 10/02/1990
  • Status: Expired due to Term
First Claim
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1. A suction cleaning head, comprising:

  • a suction chamber having an open mouth and an outlet connectable to an air extractor;

    a cleaning liquid chamber positioned externally to said suction chamber and having an open mouth and an inlet connectable to a supply of cleaning liquid, the cleaning liquid being flowable through said cleaning liquid chamber; and

    means for restricting the flow of the cleaning liquid through said cleaning liquid chamber, comprising;

    a closure releasably engaging and at least partially closing the open mouth of said cleaning liquid chamber; and

    a plurality of passageways formed at least in part by said closure, said passageways being in communication with said cleaning liquid chamber and enabling the cleaning liquid to flow from said cleaning liquid chamber at a rate restricted by a dimension and number of the passageways.

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