Cleaner and bowling maintenance machine using the same

  • US 5,761,762 A
  • Filed: 12/04/1995
  • Issued: 06/09/1998
  • Est. Priority Date: 07/13/1995
  • Status: Expired due to Fees
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First Claim
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1. A cleaner for removing a liquid from a flat surface, comprising a power source, a vacuum generator, a waste liquid tank and a wiper-nozzle unit comprising a rubber plate-like wiper means having a lower edge for wiping liquid from the flat surface and inlet nozzle port means for sucking liquid from the flat surface, said inlet nozzle port means being located adjacent one side of the wiper means, passage means connecting the vacuum generator, the waste liquid tank and the inlet nozzle port means whereby liquid is sucked through the inlet nozzle port means into the waste liquid tank, said inlet nozzle port means being spaced away from but adjacent said flat surface and the lower edge of the wiper means being positioned against the flat surface from which the liquid is to be removed, wherein the inlet nozzle port means for sucking the liquid from the flat surface comprises a plurality of linearly arrayed inlets located within 1 to 4 mm of the flat surface from which the liquid is to be removed, and said wiper means is inclined relative to the flat surface, and wherein the angle included between the flat surface and the other side of the wiper means remote from said inlet nozzle port means is acute.

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