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| Number | Title | Issue Date |
| 7810211 | Vacuum cleaner having agitator performing linear translation A vacuum cleaner is provided that includes a vacuum cleaner main body having a suction pump, a suction nozzle portion that sucks impurities by a suction force supplied by the suction pump, a suction passage that connects the suction nozzle portion to the suction pum... | 10/12/2010 |
| 7458131 | Method for determining frequency of power brush in vacuum cleaner Disclosed herein is a method for determining a frequency of a power brush in a vacuum cleaner. According to the method of the present invention, a mechanical oscillation frequency of a driving unit, which includes a brush body reciprocated within a range of prescrib... | 12/02/2008 |
| 7421758 | Upright vacuum cleaner with swing brush Disclosed herein is an upright vacuum cleaner with a swing brush. The upright vacuum cleaner comprises an upright cleaner body having a suction nozzle, a drive unit mounted in the cleaner body for moving the cleaner body forward or rearward, a grip unit slidably mou... | 09/09/2008 |
| 7363682 | Suction head for vacuum cleaner The present invention discloses a suction head for a vacuum cleaner, including a casing having a suction port for sucking alien substances from the floor, an agitator rotatably installed inside the suction port, a plurality of brushes being arranged on the agitator ... | 04/29/2008 |
| 7346956 | Automatic cart wash apparatus An automatic cart wash apparatus. The automatic cart wash apparatus provides improved cleaning of stock carts on a regular basis over manual cleaning by store employees. The automatic cart wash apparatus includes three main stages: a debris removal (vacuum) stage, a... | 03/25/2008 |
| 7302733 | Floor cleaning machine using microfiber pad A cleaning machine for floors and carpets includes a vacuum pick-up in front of the machine for suctioning loose material and debris off the floor. A microfiber cleaning assembly is mounted beneath the machine for cleaning the floor following the vacuum pick-up. The... | 12/04/2007 |
| 7089624 | Cleaner for fiber optic connectors A cleaner is provided for cleaning the end surface area of a ferrule of a fiber optic connector. The cleaner includes a housing having a mating portion for mating the cleaner with the connector. A cleaning head is movably mounted on the housing for movement across t... | 08/15/2006 |
| 6148475 | Vacuum cleaner with vibrating brushes A vacuum floor cleaning system is provided having a carpet fiber agitating brush which oscillates in a plane horizontal to the floor. The vacuum floor cleaning system of the present invention includes generally a base member supported above the floor by w... | 11/21/2000 |
| 5901411 | Suction tool for an electric vacuum cleaner A suction tool for an electric vacuum cleaner includes: a suction tool body which is connected to the vacuum cleaner body and has a suction inflow passage therein for conducting a suction air stream from a suction port, to the vacuum cleaner body; and a m... | 05/11/1999 |
| 5440782 | Suction nozzle attachment for vacuum cleaner A vacuum cleaner suction nozzle attachment which permits to use a vacuum cleaner in the fashion of a broom, namely, which is capable of vacuuming dust while sweeping dust out of a narrow space or out of a corner portion of a wooden or Tatami floor. The su... | 08/15/1995 |
| 4972544 | Air powered vacuum cleaning tool A positive displacement air motor providing power to a rotating brush, brush agitator, or flexible blades for use in cleaning carpets, tile or wooden floors, upholstery, and drapes, allowing such air powered cleaning device to completely function with onl... | 11/27/1990 |
| 4733432 | Power brush, e.g. for vacuum cleaning apparatus A power brush e.g. for a vacuum cleaner or street sweeper has its bristle bodies swivelably mounted on a member which is given an orbital movement so that the eccentric axes of the bristle bodies with respect to their swivel axis induces an additional osc... | 03/29/1988 |
| 4574419 | Device for treatment of surfaces, particularly for cleaning and polishing The invention relates to a device for surface treatment, particularly for cleaning, polishing and grinding, and including a housing provided with a handle, which surrounds at least partly an electric motor rotating in an unbalanced manner due to a balance... | 03/11/1986 |
| 4468835 | Air vibrated dust brush A ribbon of flexible fabric (e.g., nylon) is folded and riveted near the fold to form an attachment loop. The loop is then coupled on a centrally located support rod inside an air duct, the ribbon ends extending beyond the exit of the duct. When air is fo... | 09/04/1984 |
| 4454627 | Device for cleaning textile surfaces A cleaning device operated in conjunction with a vacuum cleaner includes a housing which is composed of a motor housing accommodating a drive motor, a removable nozzle plate formed with a first individual nozzle and a second surface nozzle and enclosing a... | 06/19/1984 |
| 4430768 | Agitator structure for suction cleaners Agitator restrictor structure in combination with a revolving or a reciprocating type sweep drive is located close to the nozzle mouth in a suction cleaner by providing a cavity in the agitator structure for recessing the major portion of the cleaning bru... | 02/14/1984 |
| 4272861 | Carpet cleaning device The carpet cleaning device of this invention includes a liquid application means, liquid removal means and carpet brushing means. A reciprocating motion is provided to a pivoted brush by means of a rotary shaft having an oblique crank portion carrying a b... | 06/16/1981 |
| 4156952 | Carpet soil extractor having a powered brush A self contained compact carpet soil extractor includes a vacuum tube for singularly supporting a vacuum head, nozzles through which the cleaning solution is dispensed, a pivotally mounted powered brush and motor means for driving the brush; additionally,... | 06/05/1979 |
| 4136420 | Carpet soil extracting wand having a powered brush In a carpet soil extracting wand having nozzles for dispensing a cleaning solution and a vacuum head for extracting the mixture of dirt and cleaning solution, a powered brush reciprocally travels through a predetermined arc to scrub the carpet. Bias means... | 01/30/1979 |
| 4020526 | Vacuum cleaner nozzle with a movable brush A vacuum cleaner suction nozzle having a brush that is so mounted and arranged as to be capable of moving transversely of the length direction of the nozzle and during part of this movement is elevated from the work surface, while another part of the move... | 05/03/1977 |
| 4014067 | Carpet cleaning implement The invention is concerned with a carpet cleaning implement useful for continuously washing and rinsing a floor fastened carpet in a single operation. The implement includes a head adapted to be rolled along on a carpet upon wheels. The head includes adja... | 03/29/1977 |