Fluid recovery device

Details Fluid recovery device Fluid recovery device

2006-06-13

2006-06-13

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S322000

Reexamination Certificate

active

07059013

ABSTRACT:
An apparatus and method for extracting soiled cleaning solution from carpets and other surfaces utilizing a low-profile pick-up head is disclosed. The apparatus includes a vacuum chamber or enclosed space positioned in a fluid recovery device to provide a uniform vacuum along the entire width of the device. Also disclosed is a low-profile push-pull fluid recovery device which includes a positive pressure chamber and a vacuum chamber in the push-pull head to distribute positive and vacuum pressures, respectively, along the width of the push-pull head. Methods for using such pick-up heads are also disclosed.

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patent: 2003/0014829 (2003-01-01), Wang

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