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| Number | Title | Issue Date |
| 7716773 | Debris sweeper for turf surface A debris sweeper has a powered rotary brush for sweeping debris, such as aerator cores, from a turf surface into a debris collecting hopper. The brush and hopper are carried on a wheeled tow frame. The hopper is pivotally supported on a pivotal lift frame that moves... | 05/18/2010 |
| 7610646 | Lawn sweeper A towable lawn sweeper comprising a housing, a hitch assembly, a sweeper assembly and a sweeper height adjustment assembly. The hitch assembly is rigidly coupled to the housing and includes a clevis comprising a plurality of connector members forming a plurality of ... | 11/03/2009 |
| 7555801 | Floor cleaning machine A floor-cleaning machine which can be driven over the floor, includes a driven brush for sweeping the floor to be cleaned. The brush picks up dirt and debris from the floor and carries it, assisted by forced air flow, in an overhead motion and through a transfer duc... | 07/07/2009 |
| 7520017 | Street sweeper recirculation flap A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and... | 04/21/2009 |
| 7461428 | Floor cleaning machine A floor cleaning machine includes a driven brush for sweeping debris and dirt into a dirt container which is supported by a retracting arm actuated by a powered actuator, such as an hydraulic cylinder, between a use position in which said dirt container is sealed to... | 12/09/2008 |
| 7363994 | Wheeled platforms A wheeled platform 100 is disclosed, which is characterized by high mobility and reliability, and which can be used in a wide range of applications including transport and robotic devices. The wheeled platform 100 has fore and aft body portions 130,... | 04/29/2008 |
| 7334284 | Surface cleaning apparatus A surface cleaning apparatus includes a surface cleaning strip and means responsive to movement of the surface cleaning apparatus over a surface to be cleaned for positioning the cleaning strip relative to the surface to be cleaned in dependence upon the direction o... | 02/26/2008 |
| 7320147 | Lawn sweeper A lawn sweeper for collecting debris from a surface includes a frame. At least one wheel is rotatable with respect to the frame for movement of the lawn sweeper along the surface. A collection bin is engaged with the frame for collecting the debris. A brush assembly... | 01/22/2008 |
| 7313839 | Sweeping system with front removable hopper 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 bei... | 01/01/2008 |
| 7261176 | Articulated vehicle suspension system shoulder joint An articulated vehicle suspension system shoulder joint is disclosed. A vehicle includes a plurality of wheel assemblies; a plurality of rotating shoulder joints, each wheel assembly being mounted to a respective one of the shoulder joints and rotatable in a plane b... | 08/28/2007 |
| 7238243 | Motorized towable sweeping apparatus and related method A towable sweeping apparatus includes a housing supported by a plurality of surface-engaging wheels and an impeller mounted to the housing and adjustable relative to the surface. The impeller includes a plurality of blades rotatable about an axis. A space permitting... | 07/03/2007 |
| 7199711 | Mobile floor cleaner data communication 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. ... | 04/03/2007 |
| 7188389 | Dirt collecting system for a floor care appliance The invention is a floor care appliance such as vacuum cleaner having several embodiments of a dirt particle separating and collecting system removably inserted and sidewardly disposed into a recess in the floor care appliance's housing. One embodiment of the dirt p... | 03/13/2007 |
| 7124463 | Conveyor lip for motorized street sweeper 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 b... | 10/24/2006 |
| 7051402 | Gutter sweeper system A vehicle has a container that receives swept debris. A primary sweeper assembly has a primary axle with wound cables in a helical configuration. A primary shroud supports the primary sweeper assembly and the axle adjacent to its ends. Disk-shaped turbines are mount... | 05/30/2006 |
| 7051399 | Cleaner cartridge 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. ... | 05/30/2006 |
| 7028677 | External drive supercharger An external drive supercharger is described. The external drive supercharger includes an impeller, a multibelt pulley adapted to a drive source, an impeller pulley drivingly coupled to the impeller, and an external drive belt having at least one rib coupled to the m... | 04/18/2006 |
| 7024719 | Sweeper drag shoe 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 esc... | 04/11/2006 |
| 7020930 | Combination lawn care sweeper thatcher shredder A lawn sweeper is provided having rotary brushes mounted in a housing and projecting through a bottom opening in the housing for sweeping up debris. A vacuum fan with an internal shredder is also mounted to the housing and communicates through a vacuum chute with th... | 04/04/2006 |
| 6959466 | Power management system for street sweeper 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 th... | 11/01/2005 |
| 6905548 | Device for the deposition of crystalline layers on crystalline substrates The invention relates to a device for the deposition of in particular, crystalline layers on one or several, in particular, equally crystalline substrates, comprising a process chamber, arranged in a reactor housing, which may be charged with the substrates from abo... | 06/14/2005 |
| 6892414 | Street sweeper drag shoe 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 t... | 05/17/2005 |
| 6877180 | Street sweeper main broom cutoff flap A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and... | 04/12/2005 |
| 6836919 | Suspension device for floor maintenance appliance 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 me... | 01/04/2005 |
| 6820542 | Leaf compactor and baler An apparatus 10 for compacting and baling leaves, grass clippings, sticks, pine straw and other debris on lawns, yards, or fields is provided. The apparatus 10 may have diagonal brushes 26 to gather debris for processing though a crusher 28 | 11/23/2004 |
| 6687939 | Bucket sweeper A bucket sweeper combination unit that is used in connection with a skid loader or skid steer which has universal mounts and remote hydraulics that power the unit. The sweeper is mounted to the lift arms of the loader ahead of the bucket. Chains are attac... | 02/10/2004 |
| 6553600 | Mobile sweeping machine In order to facilitate emptying of the dirt collection container in a mobile sweeping machine with a rotationally driven rotary brush which is mounted in a housing, a dirt collection container which can be detachably connected to the housing and with a di... | 04/29/2003 |
| 6505371 | Sweeper In order to construct a sweeper, which comprises a rotary brush arranged in a housing, a dirt collector which can be detachably attached to the housing and, adjacent the rotary brush in the dirt collector, a dirt inlet on the bottom edge of which a sill i... | 01/14/2003 |
| 6463616 | Floor cleaning machine A drive system for driving two cylindrical brushes of a floor cleaning machine that rotate in opposite directions is disclosed. The floor cleaning machine includes a motor, a gear mechanism and force-transmission means for transmitting a torque from the g... | 10/15/2002 |
| 6421870 | Stacked tools for overthrow sweeping A surface cleaning machine includes a frame, wheels for supporting the frame and a debris hopper positioned on the forward part of the frame. There is a cylindrical sweeping brush mounted on the frame for rotation about an axis transverse to machine movem... | 07/23/2002 |
| 6371565 | High-lift lateral dump system for pavement/street sweepers A high-lift lateral dump system for pavement/street sweepers (20) includes a debris container (30) positioned between laterally adjacent lift assemblies (40R, 40F), each lift assembly (40R, 40F) including a vertically extending upright (42), a lift arm (4... | 04/16/2002 |
| 6237177 | Vehicular storm drain cleaning apparatus The apparatus includes a water tight vehicular body of a low profile. A user controls the vehicle from a forward cockpit. The cleaning apparatus further includes both forward and rearward booms. The forward boom has a slurry trap interconnected to its for... | 05/29/2001 |
| 6230363 | Large-scale cleaning vehicle A large-scale cleaning vehicle, for operation with a forklift, includes rotation brushes for sweeping debris toward a center of said cleaning vehicle, a sweeping brush for sweeping the debris into a debris collection box and a fan for pulling said debris ... | 05/15/2001 |
| 6154920 | Sweeper apparatus A sweeper apparatus is disclosed for effectively and efficiently sweeping debris from a floor surface with a minimal amount of dust being generated outside of the apparatus. The sweeper apparatus includes a sweeper head assembly having a containment housi... | 12/05/2000 |
| 6154911 | Debris lifting apparatus for use in a surface sweeping vehicle A debris lifting apparatus for use in a surface sweeping vehicle comprises an isolated debris lifting receptacle mounted on the surface sweeping vehicle for arrested positioning in a lower debris receiving position, whereat the debris lifting receptacle i... | 12/05/2000 |
| 6073295 | Sweeping machine with movable recirculation flap A sweeping machine has a chassis, wheels for supporting the chassis and a brush mounted on the chassis for rotation to throw debris over the brush and into a debris hopper mounted on the chassis behind the brush. There is a control lever on the chassis fo... | 06/13/2000 |
| 6041464 | Spring loaded skid plate kit for a street sweeper A kit for resiliently attaching a skid plate 10 to a street sweeper S is provided. The skid plate 10 is oriented within a track T between vertical rails R of the street sweeper S. The skid plate 10 is maintained adjacent the track T by a flex bar 40 exten... | 03/28/2000 |
| 6035479 | Sweeper with auxiliary brush and auxiliary lip A sweeper movable over a surface to be swept includes a frame having a longitudinal axis parallel to the direction of sweeper movement and a debris hopper mounted on a front portion of the frame. There is an opening in the rear of the debris hopper to adm... | 03/14/2000 |
| 6006390 | Connecting mechanism for attaching a ground-engaging surface maintenance implement to a traction vehicle The present invention relates to an improved mechanism (100) for attaching a ground-engaging surface maintenance implement, preferably a front-mounted rotary sweeper (300), to a traction vehicle (200). The mechanism includes a four-bar linkage (102) to "y... | 12/28/1999 |
| 5991953 | Sweeping machine with multiple position front flap A sweeping machine includes a chassis with wheels supporting the chassis on a surface to be swept. There is a brush mounted on the chassis for rotation in a direction to throw debris over the brush and into a debris hopper mounted on the chassis behind th... | 11/30/1999 |
