Upright deep cleaner and method

Patent metadata

Field	Value
Publication number	US-9380921-B2
Application number	US-201113578960-A
Country	US
Kind code	B2
Filing date	Feb 14, 2011
Priority date	Feb 15, 2010
Publication date	Jul 5, 2016
Grant date	Jul 5, 2016

Abstract

A surface cleaning apparatus ( 10 ) comprises a base assembly ( 12 ), an upright handle assembly ( 14 ) pivotally mounted to the base assembly ( 12 ), a fluid distribution system including a supply of cleaning fluid, and a fluid recovery system for drawing dirty cleaning fluid from the surface to be cleaned. The base assembly ( 12 ) comprises a fluid supply tank ( 22 ) mounted on a base platform ( 20 ), and a recovery tank ( 24 ) and lid ( 70 ) mounted on the supply tank ( 22 ). The nozzle ( 146 ) assembly is split into three separable sections, and the upper handle ( 300 ) is foldable to a storage position. The base assembly ( 12 ) further comprises a pivotal brush carriage ( 210 ) assembly. A method for renting extraction cleaning machines ( 10 ) utilizes a vending machine ( 600 ) that dispenses cleaning formulations packaged in single use packages ( 602 ).

First claim

What is claimed is:

1. A carpet cleaner comprising:
a base including a suction nozzle and a rotatable brushroll that is driven by a brush motor through a belt, wherein the brushroll is mounted for rotation in a brush carriage assembly comprising:
a pair of spaced support legs pivotally mounted to the base and between them rotatably support the rotatable brushroll; and
an end cap mounted to one of the support legs and configured to releasably retain the brushroll between the support legs;

whereby the brushroll can be easily changed by removing the end cap without the use of a tool.

2. A carpet cleaner according to claim 1 wherein the end cap mounted to the one support leg through a twist and lock connection.

3. A carpet cleaner according to claim 2 wherein the support legs are pivotal between a first position in which the brushroll is in an operable position for contacting a surface to be cleaned and a second position wherein the brushroll is positioned below the base housing for servicing the brushroll.

4. A carpet cleaner according to claim 2 and further comprising a retainer for releasably retaining the support legs in the first position.

5. A carpet cleaner according to claim 1 wherein the brush motor is mounted to the brush carriage assembly and is removable as a module from the base housing.

Assignees

• Nguyen Tom Minh
• Wiedmaier Thomas
• Bissell Homecare Inc

Inventors

• Nguyen Tom Minh
• Wiedmaier Thomas

Classifications

• G06Q90/00

  Systems or methods specially adapted for administrative, commercial, financial, managerial or supervisory purposes, not involving significant data processing · CPC title

• A47L11/4088

  Supply pumps; Spraying devices; Supply conduits · CPC title

• A47L9/0477

  Rolls · CPC title

• A47L11/408

  Means for supplying cleaning or surface treating agents · CPC title

• A47L11/32

  Carpet-sweepers (combined with suction cleaners A47L7/02) · CPC title