Extraction cleaner
First Claim
Patent Images
1. An extraction cleaner for a floor surface, comprising:
- a housing having a base assembly for movement across the floor surface and a handle assembly pivotally mounted to a rearward portion of the base assembly for directing the base assembly across the floor surface;
a fluid recovery system supported by the housing, comprising;
a recovery tank for storing spent cleaning fluid and dirt that is recovered from the floor surface;
a suction source configured to generate a working airflow; and
an extraction nozzle extending towards a surface to be cleaned and in fluid communication with the recovery tank, comprising;
a forward wall including a first tubular sleeve defining a first hollow cavity and a rearward wall including a second tubular sleeve defining a second hollow cavity, the forward wall and the rearward wall form a fluid flow path therebetween having an elongated nozzle opening that is in fluid communication with the recovery tank;
a forward stiffening element provided within the first hollow cavity of the forward wall, the forward stiffening element extends substantially across the width of the extraction nozzle and comprising a first tubular brace defining a first hollow interior; and
a rearward stiffening element provided within the second hollow cavity of the rearward wall, the rearward stiffening element extends substantially across the width of the extraction nozzle and comprising a second tubular brace defining a second hollow interior;
whereby the first tubular brace and the second tubular brace prevent deformation of the extraction nozzle during use.
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Accused Products
Abstract
An extraction cleaner for a floor surface includes an extraction nozzle. The extraction nozzle that defines a fluid flow path having an elongated nozzle opening, and includes one or more stiffening elements that stiffens the walls around the nozzle opening to prevent collapsing or deformation of the extraction nozzle during use.
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Citations
8 Claims
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1. An extraction cleaner for a floor surface, comprising:
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a housing having a base assembly for movement across the floor surface and a handle assembly pivotally mounted to a rearward portion of the base assembly for directing the base assembly across the floor surface; a fluid recovery system supported by the housing, comprising; a recovery tank for storing spent cleaning fluid and dirt that is recovered from the floor surface; a suction source configured to generate a working airflow; and an extraction nozzle extending towards a surface to be cleaned and in fluid communication with the recovery tank, comprising; a forward wall including a first tubular sleeve defining a first hollow cavity and a rearward wall including a second tubular sleeve defining a second hollow cavity, the forward wall and the rearward wall form a fluid flow path therebetween having an elongated nozzle opening that is in fluid communication with the recovery tank; a forward stiffening element provided within the first hollow cavity of the forward wall, the forward stiffening element extends substantially across the width of the extraction nozzle and comprising a first tubular brace defining a first hollow interior; and a rearward stiffening element provided within the second hollow cavity of the rearward wall, the rearward stiffening element extends substantially across the width of the extraction nozzle and comprising a second tubular brace defining a second hollow interior; whereby the first tubular brace and the second tubular brace prevent deformation of the extraction nozzle during use. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification