Apparatus for maintaining pressure on underwater vacuum...

Details Apparatus for maintaining pressure on underwater vacuum... Apparatus for maintaining pressure on underwater vacuum...

2006-05-09

2006-05-09

Crispino, Richard (Department: 1744)

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

C015S246000, C015S160000

Reexamination Certificate

active

07039979

ABSTRACT:
Apparatus for maintaining pressure on a liquid pool cleaning device has an object for attachment to the liquid pool cleaning device, the object having first and second surfaces, the first surface generating a force due to liquid pressure on the first surface causing a downward force on the liquid pool cleaning device in a forward direction of the cleaning device and the second surface generating a force due to liquid pressure on the second surface causing a downward force on the liquid pool cleaning device in a rearward direction of the cleaning device.

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patent: 5864917 (1999-02-01), Landsman

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