| Patent Number |
Title Of Patent |
Date Issued |
| RE35033 |
Scrubber squeegees for scrubbing forward and backward |
September 12, 1995 |
| This is an improvement for a powered floor scrubber which in use is moved forward and backward across a floor to be scrubbed. A scrub brush is rotated within a housing which is open at the bottom and water is supplied within the housing. The improvement consists of attaching double lippe |
| RE33926 |
Scrubber squeegees for scrubbing forward and backward |
May 19, 1992 |
| This is an improvement for a powered floor scrubber which in use is moved forward and backward across a floor to be scrubbed. A scrub brush is rotated within a housing which is open at the bottom and water is supplied within the housing. The improvement consists of attaching double lippe |
| RE29957 |
Powered rotary brush |
April 10, 1979 |
| .Iadd.A sweeping machine having a frame, a pair of support members, and means for mounting the support members on the frame. A brush is rotatably mounted between the support members. A drive mechanism for the brush includes a source of power in a form capable of being transmitted by |
| D485175 |
Cleaner cartridge |
January 13, 2004 |
|
| D273622 |
Floor maintenance machine |
April 24, 1984 |
|
| D273621 |
Combination sweeper-scrubber floor machine |
April 24, 1984 |
|
| D273620 |
Power sweeper |
April 24, 1984 |
|
| D267824 |
Floor maintenance machine |
February 1, 1983 |
|
| D257845 |
Sweeper |
January 13, 1981 |
|
| D245994 |
Blower |
October 4, 1977 |
|
| 7313839 |
Sweeping system with front removable hopper |
January 1, 2008 |
| A surface maintenance apparatus is described, having a sweeping system positioned near the front or leading edge of the apparatus. The sweeping system includes a plurality of brushes and a removable hopper for collecting debris. The sweeping system is capable of being raised off the |
| 7306639 |
Demisting chamber with elbow strainer |
December 11, 2007 |
| A structure and method of removing semi-rigid debris and demisting gas for use primarily in surface maintenance or conditioning machines, Demisting is accomplished by, a combination techniques including rapid pressure reduction and removal of semi rigid debris is accomplished by forcing |
| 7272870 |
Secondary introduction of fluid into vacuum system |
September 25, 2007 |
| An apparatus and method for minimizing the accumulation of soil and debris within a vacuum system of a surface maintenance machine is disclosed. A secondary fluid, such as pressurized cleaning solution, is sprayed into the vacuum system in order to reduce soil and debris accumulation wit |
| 7244000 |
By wire control of braking and acceleration |
July 17, 2007 |
| A rider surface maintenance vehicle with variable dynamic braking, in contrast to a mechanically-engaged braking system that uses a brake cable. A brake pedal engages a sensor that encodes the pedal position as an electronic signal. The electronic signal, along with the vehicle veloc |
| 7199711 |
Mobile floor cleaner data communication |
April 3, 2007 |
| In a method of communicating data from a mobile floor cleaner to a remote receiver a data communication is initiated from a communicator of the mobile floor cleaner to the remote receiver and data is communicated to the remote receiver with the communicator. |
| 7172658 |
Cleaning liquid dispensing in a mobile hard surface cleaner |
February 6, 2007 |
| A hard surface cleaner includes a motorized scrub head, a fluid recovery device, a primary cleaning liquid component container, a cleaning agent container, a flow control device and a fluid flow path. The flow control device is configured to supply a flow of cleaning agent from the clean |
| 7159706 |
Self cleaning conveyor with roller scraper and debris reduction skirt |
January 9, 2007 |
| Disclosed herein is a method and apparatus for a street sweeper having a conveyor assembly. The conveyor assembly has a pair of rollers and a conveyor belt connected therebetween. The conveyor assembly is provided with debris skirts to lift the edge of the conveyor belt to prevent de |
| 7124463 |
Conveyor lip for motorized street sweeper |
October 24, 2006 |
| A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the |
| 7120961 |
Brush wear adjustment system and method |
October 17, 2006 |
| A brush wear adjustment system for use in a powered street sweeper to provide for consistent sweeping performance where wear of rotary brush bristles is constantly sensed and the rotational speed of the rotary brush is automatically increased to maintain a desired bristle tip speed t |
| 7086118 |
Street sweeper with vacuumized dust control |
August 8, 2006 |
| A street sweeper with vacuumized dust control where a rotary broom chamber surrounds a rotary broom. The rotary broom chamber connects by a conveyor housing containing a conveyor mechanism to a hopper having a powered fan and a filter. A vacuum or low pressure is created within the hoppe |
| 7082639 |
Brush optimizer |
August 1, 2006 |
| The present invention provides an improved mechanical coupling for rapidly adjusting the elevation of a working edge portion of a tool which working edge portion is subject to wear that decreases the effective length of the working edge portion. In one embodiment, the bristles of a drum- |
| 7059015 |
Tool mounting assembly for a surface maintenance machine |
June 13, 2006 |
| A squeegee mount and assembly which cooperate to permit both pivotal and linear motion of the squeegee assembly relative to the machine frame. To avoid contact with a stationary object, the squeegee assembly can be both pivoted and linearly moved relative to the surface maintenance machi |
| 7059013 |
Fluid recovery device |
June 13, 2006 |
| 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 ent |
| 7051399 |
Cleaner cartridge |
May 30, 2006 |
| A cleaner cartridge includes a container having an interior cavity, in which cleaning agent can be stored. A first end of conduit is fluidically coupled to the interior cavity. A second end of the conduit is connectable to a chemical dispenser. |
| 7038416 |
Control system for a floor maintenance appliance |
May 2, 2006 |
| A control system for controlling the work output delivered to a floor surface by a work tool associated with a floor maintenance machine, such as a burnisher, is provided. In one embodiment, a voltage regulator regulates the voltage provided to the motor assembly that drives the work |
| 7025834 |
Retractable broom and dust skirt |
April 11, 2006 |
| A gutter broom assembly for a street sweeper and method of use are disclosed. The invention relates to street sweeper having a vacuum system for moving air through a portion thereof and having a gutter broom assembly. The gutter broom assembly includes housing, a gutter broom being m |
| 7024719 |
Sweeper drag shoe |
April 11, 2006 |
| A sweeper drag shoe used with a rotary broom in sweeping, whereby escaping debris from under a contact skid is recaptured. The sweeper drag shoe contains a deflection plate that redirects bristle tip movement inwardly to allow the broom to recapture debris which escapes during normal |
| 7020576 |
Back EMF actuator control |
March 28, 2006 |
| A control system for estimating the approximate relative position of an electric linear actuator on a surface maintenance machine. The control system includes device for selectively coupling the electric motor of the linear actuator to the electric power source, device for measuring or |
| 6971137 |
Floor maintenance machine with air-cooled motor |
December 6, 2005 |
| A burnishing machine having a burnishing motor in a motor compartment covered with a hood defining an air plenum having at least one air inlet positioned near the top of the hood spaced from the floor. The plenum includes a discharge outlet immediately adjacent the motor such that clean |
| 6966097 |
Street sweeper with dust control |
November 22, 2005 |
| Street sweeper having dust control from two or more cleaning heads with one air source where one fan provides vacuum for a centrally located rotating broom which is surrounded by a vacuumized chamber and for a gutter broom which is surrounded by a vacuumized chamber. A plenum having a un |
| 6959466 |
Power management system for street sweeper |
November 1, 2005 |
| A power management system for a surface maintenance machine, such as a street sweeper is disclosed. The system includes a variable speed engine for transporting the surface maintenance machine, a hydraulic pump powered by the engine, a vacuum fan motor powered by the hydraulic pump, an e |
| 6896742 |
Brushless scrub head for surface maintenance |
May 24, 2005 |
| A device and method of use for cleaning a ground surface with pressurized cleaning solution is disclosed. The device includes a transportable deck having at least a first chamber and a second chamber, each first and second chamber being in open communication with the surface, said first |
| 6896468 |
Battery interchange system for battery powered floor maintenance equipment |
May 24, 2005 |
| A battery powered floor maintenance machine is alignable with a battery docking station that can slidably receive a spent battery assembly from the floor maintenance machine. The floor maintenance machine includes locking and aligning mechanisms to safely attach the machine to the do |
| 6895633 |
Squeegee with clog reduction structure |
May 24, 2005 |
| A clog reduction structure for a squeegee assembly for removing solution from a floor surface with a surface maintenance vehicle. The clog reduction structure includes an inlet in fluid communication with a vacuum chamber, an outlet in fluid communication with a vacuum conduit, and a |
| 6895363 |
Information management system device and method of use for surface maintenance vehicles and equi |
May 17, 2005 |
| A data collection and management method is disclosed for use in association with a surface maintenance machine wherein a control system controls selected machine operations in response to manually inputted operation settings selected by an operator and occurring at selected times. In bro |
| 6892414 |
Street sweeper drag shoe |
May 17, 2005 |
| A street sweeper drag shoe of cast austempered ductile iron used with a rotary broom in sweeping, whereby escaping debris from under a contact skid is recaptured. The street sweeper drag shoe contains a deflection plate that redirects bristle tip movement inwardly to allow the broom to |
| 6878794 |
Urethane resins |
April 12, 2005 |
| Amine-terminated urethane oligomer compositions are described that include very high oligomer concentrations. The compositions are melts of the amine-terminated oligomers. The compositions can include one or more property modifiers. The compositions are useful in the formation of cro |
| 6870110 |
Float switch with protective boot |
March 22, 2005 |
| Disclosed herein is a fluid level float switch and protective boot therefore. The boot is adapted to engage a detent portion of the float switch in a secure watertight fashion. The boot is adapted to flexibly accommodate movement of the float within the boot in response to changes in |
| 6836919 |
Suspension device for floor maintenance appliance |
January 4, 2005 |
| A suspension device for coupling a surface maintenance appliance to a surface maintenance machine is disclosed. The suspension device includes a carriage member movably supported upon the maintenance machine through a plurality of linkages coupled to the carriage member. Together the |
| 6802098 |
Cylindrical brush idler-side taper adjustment assembly |
October 12, 2004 |
| The present invention provides an adjustment mechanism and methods for adjusting the alignment of a powered cylindrical brush mounted to a surface maintenance vehicle relative to a surface to be maintained or cleaned by the vehicle. The device is preferably disposed upon the idler-si |
| 6761127 |
Apparatus for curing floor coatings using ultraviolet radiation |
July 13, 2004 |
| Machines and methods for curing ultraviolet (UV) curable floor coatings are provided. In one embodiment, the machine includes a UV radiation source having one or more lamps where each lamp is operable to simultaneously emit UV radiation at two or more wavelengths and at relatively low po |
| 6742219 |
Air sweeping apparatus |
June 1, 2004 |
| An air sweeping apparatus having a head assembly, a debris conveyer and a receptacle. The head assembly includes a front skirt which is selectively positionable away from a surface to be cleaned to enable debris of different densities and sizes to be collected. After the front skirting o |
| 6735812 |
Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning |
May 18, 2004 |
| An apparatus performing multiple different cleaning operations for cleaning fabrics, floor coverings, and bare floor surfaces is disclosed. A device according to the present invention selectively utilizes soil transfer and solution extraction technology. In one embodiment, an apparatus i |
| 6735811 |
Cleaning liquid dispensing system for a hard floor surface cleaner |
May 18, 2004 |
| A cleaning liquid dispensing system for use in a mobile hard floor surface cleaner includes fluid conduit and fluid communication with a supply of cleaning liquid, a pump, and a flow restriction member. The pump is adapted to drive a flow of the cleaning liquid through the conduit. The |
| 6705332 |
Hard floor surface cleaner utilizing an aerated cleaning liquid |
March 16, 2004 |
| A hard floor surface cleaning apparatus includes an aerator, a rotating scrub medium engaging the hard floor surface, a fluid conveyor, and a fluid recovery device. The aerator is configured to produce a foam-like aerated cleaning liquid from a cleaning liquid. The fluid conveyor is |
| 6671925 |
Chemical dispenser for a hard floor surface cleaner |
January 6, 2004 |
| A chemical dispenser for use in a hard floor surface cleaner includes a supply of cleaning agent and a flow control device. The flow control device is fluidically coupled to the supply of cleaning agent and includes an output flow of cleaning agent therethrough having a flow rate that is |
| 6662600 |
Foamed cleaning liquid dispensing system |
December 16, 2003 |
| A foamed cleaning liquid dispensing system for use in a washing machine includes a cleaning liquid dispenser and a foaming device. The cleaning liquid dispenser includes an output flow of cleaning liquid, which is received by the foaming device. The foaming device includes an input flow |
| 6662402 |
Apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transf |
December 16, 2003 |
| An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion |
| 6651286 |
Quick disconnect burnisher pad driver |
November 25, 2003 |
| A quick disconnect hub which is secured to the motor drive shaft receives a high pitch threaded pad driver disk to which a burnishing pad is mounted. The hub includes a conically tapered surface, as does the driver disk for centering. A spring-loaded locking pin extends between the burni |
| 6618888 |
Dual downforce mechanism for a cleaning head of a surface conditioning vehicle |
September 16, 2003 |
| The present invention relates to a simple mechanical dual stage pressure control for a cleaning head operatively coupled to a cleaning vehicle for engaging a surface to be cleaned and to methods of engaging and using such a dual stage pressure control to perform surface cleaning, surface |
