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| Number | Title | Issue Date |
| 8042221 | Board cleaning apparatus and board transporting apparatus The present invention provides a board cleaning apparatus excellent in foreign-matter removing efficiency. Fixed brushes are each made in contact with a circuit board over an entire width thereof, and attached to a case of a board cleaning apparatus respectively on ... | 10/25/2011 |
| 7895707 | Height adjusting apparatus of suction body for use in vacuum cleaner A height adjusting apparatus of a suction body for use in an upright vacuum cleaner is disclosed. The apparatus adjusts a distance between a rotary brush and a surface to be cleaned, and includes a lifting unit pivotably disposed to the suction body, and an actuatin... | 03/01/2011 |
| 7877839 | Wet and/or dry vacuum with floor collector A vacuum can include a housing having an inlet adapted to receive debris being vacuumed. A mounting bar can be fixedly coupled to the housing. A floor collector assembly can be rotatably disposed about a first axis defined by the mounting bar. The floor collector as... | 02/01/2011 |
| 7841046 | Height adjusting apparatus for a vacuum cleaner nozzle The invention discloses a height adjusting apparatus for a vacuum cleaner nozzle, comprising: a barrel with a vertical passage, a groove module is formed on the inner surface of the barrel, said groove module comprises an upper groove, a lower groove, which has at l... | 11/30/2010 |
| 7673370 | Mode control arrangement for a floor The invention is a bare floor cleaning appliance provided with a foot pedal for raising and lowering the suction nozzle while simultaneously energizing and de-energizing the independent drive motor powering a horizontal axis rotary agitator. The foot pedal is depres... | 03/09/2010 |
| 7653964 | Apparatus for adjusting height of suction brush An apparatus for adjusting a height of a suction brush for use in a vacuum cleaner includes a height adjusting knob rotatably disposed in an inserting recess formed in the suction brush, and having an inclined part formed thereon, so that a height of the suction bru... | 02/02/2010 |
| 7631394 | Suction brush for vacuum cleaner A suction brush for a vacuum cleaner is provided. The suction brush includes an upper casing; a lower casing; an elevating plate installed between the upper casing and the lower casing; a cleaned surface sensing part for sensing; a lever rotatably provided around a ... | 12/15/2009 |
| 7533442 | Wet/dry floor cleaning unit and method of cleaning A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the ... | 05/19/2009 |
| 7418764 | Mode control arrangement for a floor care appliance An upright vacuum cleaner is provided having a suction nozzle height adjustment arrangement controlled by a rotary mode control member located on the upper housing. The rotary mode control member controls a suction nozzle height adjustment motor and a rotary agitato... | 09/02/2008 |
| 7370387 | Hand-holdable vacuum cleaners There is provided a hand-holdable vacuum cleaner, comprising: an electric motor; an electrical on-off switch for operating said motor; a fan connected to an output shaft of said motor; an airflow pathway comprising an inlet for dirty air, an outlet for clean air, an... | 05/13/2008 |
| 7340798 | Upright vacuum cleaner with spring loaded nozzle An upright vacuum cleaner includes a nozzle assembly, a canister assembly pivotally mounted to said nozzle assembly, a suction fan and drive motor and a biaser. The biaser has a first end that engages the nozzle assembly and a second end that engages the canister as... | 03/11/2008 |
| 7318249 | Vacuum collector having sweeping device A vacuum collector includes a filter housing, a filter member disposed in the filter housing, and a sweeping device disposed in the filter member for sweeping the filter member, to sweep of dirt from the filter member, and to allow the dirt to be removed from the fi... | 01/15/2008 |
| 7316051 | Suction nozzle height adjustment control circuit A floor care appliance is provided with a switch for controlling the height of the suction nozzle. The switch controls the height of the suction nozzle by controlling the operation of an independent motor and a gear and cam arrangement operatively connected to the w... | 01/08/2008 |
| 7293327 | Device for suction of waste and similar The invention relates a device for suction of waste and similar, in a machine for cleaning roads and similar comprising a suction pipe (2), an inlet aperture (3) of the suction pipe (2), and a sweeper device (4) of the pipe (2) pos... | 11/13/2007 |
| 7287298 | Low profile side squeegee assembly A low-profile side squeegee assembly for surface maintenance vehicles, capable of cleaning under so-called “toe kicks”. In contrast with typical suspensions that are mounted directly above the center of the squeegee assembly, and are therefore too tall to fit un... | 10/30/2007 |
| 7287299 | Simplified rear squeegee linkage for surface cleaning equipment A rear squeegee linkage for surface cleaning equipment, which uses a pair of compliant bushings for improved shock absorption. The actuator is mounted with a pair of clevis pins and cotter pins, and may be replaced if needed without screwing or unscrewing any bolts ... | 10/30/2007 |
| 7272870 | Secondary introduction of fluid into vacuum system 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 d... | 09/25/2007 |
| 7254864 | Hard floor cleaner A floor cleaning device (10) includes a housing (40) and a container (43) removably received by the housing. A suction nozzle (18, 18′, 18″) is fluidly connected with the container and with a suction source (52) when the contai... | 08/14/2007 |
| 7246408 | Cleaning tool with rotatably driven working tool A cleaning tool for a vacuum cleaning device has a housing having a bottom plate with a working slot. A rotatingly driven working tool is rotatably supported in the housing and passes through the working slot to act on a surface to be cleaned. A motor is arranged in... | 07/24/2007 |
| 7246407 | Height adjusting apparatus for suction brush of upright vacuum cleaner Disclosed is a height adjusting apparatus for a suction brush of an upright vacuum cleaner, by which a user can facilely adjust a gap between the suction brush and a cleaning surface. The apparatus comprises a suction brush body; a height adjusting knob rotatably di... | 07/24/2007 |
| 7240396 | Floor cleaning apparatus A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor; a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a bu... | 07/10/2007 |
| 7234197 | Unattended spot cleaning apparatus A spot cleaning apparatus comprises a fluid distribution system, a fluid recovery system, an agitation system, and a controller system to automatically monitor and control inputs and outputs to said systems for removal of spots and stains from a surface without atte... | 06/26/2007 |
| 7222390 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/29/2007 |
| 7213298 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/08/2007 |
| 7203993 | Suction nozzle height adjustment and control arrangement A floor care appliance is provided with a microprocessor based control arrangement. The microprocessor adjust the height of the suction nozzle through a motorized suction nozzle height gear and cam arrangement. The microprocessor is programmed to turn the current of... | 04/17/2007 |
| 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 |
| 7171723 | Floor suction tool for electric vacuum cleaners A floor suction tool for electric vacuum cleaners includes a suction opening formed on a bottom face of a main body casing, a cover defining a front wall of the main body casing, and an abutting member projecting from a front face of the cover and functioning as a b... | 02/06/2007 |
| 7165290 | Caster and dolly wheel attachments for cylindrical tanks Caster wheel assemblies that may be snap-fitted onto a cylindrical tank or drum are shown and described. Also dolly-wheel assemblies that include an axle supported by two wheels are also disclosed which may be snap-fitted onto a cylindrical tank or drum. The caster ... | 01/23/2007 |
| 7165286 | Agitator construction An agitator includes a high strength, continuous metal axle, a pulley held on one end of the metal axle and a sleeve of lightweight plastic material received over the axle. The agitator is manufactured by molding a pulley body onto an underlying metal support or D-n... | 01/23/2007 |
| RE39422 | Self-propelled brushless surface cleaner with reclamation A self-propelled brushless surface cleaner with reclamation is provided as a self-contained vehicle. A cleaning head mounted to the vehicle extends forward therefrom. The cleaning head has a deck and a skirt extending from the deck such that when the skirt is placed... | 12/12/2006 |
| 7076830 | Electronically commutated drive system for vacuum cleaner A self-propelled appliance, such as a vacuum cleaner includes a magnetic field sensor and magnet. A relative position between the magnetic field sensor and the magnet can be changed by a user of the appliance. The magnetic field sensor generates a signal indicating ... | 07/18/2006 |
| 7059015 | Tool mounting assembly for a surface maintenance machine 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 sur... | 06/13/2006 |
| 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 |
| 7047595 | Self-running cleaning apparatus This invention provides a self-running cleaning apparatus and self-cleaning method that is capable of efficiently moving over the entire bottom surface of a pool and cleaning the entire bottom surface of the pool in a short period of time. A movement-control unit | 05/23/2006 |
| 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 |
| 7013626 | Walk behind mower A deck height adjustment apparatus for a walk-behind mower includes a foot pedal actuated lever operably connected to a deck lift mechanism for raising and lowering a mowing deck. A cam wheel, having an outer edge of a varying radius relative to an axis of rotation,... | 03/21/2006 |
| 7013527 | Floor cleaning apparatus with control circuitry A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor, a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a bu... | 03/21/2006 |
| 7007336 | Agitator construction An agitator includes a high strength, continuous metal axle, a pulley held on one end of the metal axle and a sleeve of lightweight plastic material received over the axle. The agitator is manufactured by molding a pulley body onto an underlying metal support or D-n... | 03/07/2006 |
| 6979373 | Vacuum inlet nozzle wheel support frame A wheel frame for supporting at least two wheels along the bottom surface of a vacuum inlet nozzle of the type commonly used for vacuuming concrete floors of shops and other areas which have cement or wooden floors. The wheel frame is rectangular and has preferably ... | 12/27/2005 |
| 6976287 | Vacuum nozzle apparatus A cart for use in moving a large vacuum nozzle such as that of a grain vacuum within a grain bin has a frame mounted on two pairs of ground wheels. The pipe of the nozzle extends along a center of the cart with a foot pad on each side for the operator to ride and a ... | 12/20/2005 |
