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| Number | Title | Issue Date |
| 7631392 | Vacuum cleaner with translucent bumpers A vacuum cleaner base has a brush chamber having at least a portion that is transparent, a brush rotatably mounted in the brush chamber, and an elastomeric bumper that surrounds at least three sides of the brush chamber. The bumper is translucent at least where it o... | 12/15/2009 |
| 7533440 | Integral vacuum cleaner bumper An integral vacuum cleaner bumper is provided according to an embodiment of the invention. The bumper includes a bumper shell formed of an at least partially resilient material and includes an inner surface that mates to the vacuum cleaner chassis and an outer surfa... | 05/19/2009 |
| 7480960 | Bumper device of robot cleaner and robot cleaner having the same A bumper device of a robot cleaner, and a robot cleaner equipped with the bumper device are disclosed. The bumper device of a robot cleaner includes: a bumper housing coupled to cover an outer circumferential surface of a main body of a robot cleaner, made of a mate... | 01/27/2009 |
| 7434294 | Suction opening body and electric cleaner A suction inlet unit comprises a suction inlet main body having a bottom suction inlet, a front suction inlet formed continuously with said bottom suction inlet in the front of said suction inlet main body, and a cover for covering the front suction inlet. The cover... | 10/14/2008 |
| 7377006 | Vacuum cleaner with magnetic pick-up mechanism Vacuum cleaner with a magnetic pick-up mechanism includes a housing having a front wall and a vacuum opening situated rearward of the front wall, one or more receptacles on the front wall, one or more magnets arranged in the receptacle(s) and a bumper attached to th... | 05/27/2008 |
| 7293325 | Vacuum cleaner base plate assembly A vacuum cleaner base plate assembly is provided according to an embodiment of the invention. The base plate assembly includes a base plate adapted to fit to a chassis bottom of a vacuum cleaner. The base plate includes one or more nozzle apertures. The base plate a... | 11/13/2007 |
| 7284298 | Exhaust filter arrangement for vacuum cleaner housing An exhaust filter unit is arranged outwardly surrounding at least a major portion of a housing of a vacuum cleaner. The dirt-laden incoming airflow is filtered through a primary filter, then blown by a suction motor unit into an annular exhaust air space between the... | 10/23/2007 |
| 7200892 | Robot cleaner with adjustable brush A robot cleaner with a pivotable brush which pivots in accordance with a condition of a floor surface to be cleaned. The pivotal brush prevents overload to a suction motor caused by excessive contact of the brush with the floor surface to be cleaned. The robot clean... | 04/10/2007 |
| 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 |
| 7140068 | Vacuum cleaner with cyclonic separation A cyclone outlet assembly with a frusto-conical dirt blocking plate minimizes clogging at the outlet of the cyclone separator. An upright vacuum cleaner with a cyclone separator is mounted on and in fluid communication with an elongated rigid tube that forms part of... | 11/28/2006 |
| 7140067 | Vacuum cleaner handle and stiffening element A household appliance, particularly a vacuum cleaner, has a housing of rigid material and formed with at least two interconnected housing parts and a handle that is also made of a rigid material. The household appliance is rendered especially rigid and the risk of l... | 11/28/2006 |
| 7100236 | Buffer structured castor wheel for vacuum cleaner Buffer structured castor wheel for a vacuum cleaner, which is modified and disposed appropriately for preventing the vacuum cleaner from bitting a wall and the like directly, including two or more than two castor wheel assemblies fitted to a front bottom of a vacuum... | 09/05/2006 |
| 7086422 | Respiratory gas hose system for supplying a respiratory gas A respiratory gas hose system for supplying a respiratory gas is provided, particularly for use in the frame work of CPAP therapy. The respiratory gas hose system comprises a flexible hose line including a flexible sheathing body to surround the flexible hose line, ... | 08/08/2006 |
| 7057593 | Liquid crystal display A LSD (Liquid Crystal Display) apparatus includes an optical sensor for detecting an amount of light of the liquid crystal panel and a voltage setting unit for setting the voltage inputted to the pixels in relation to the amount of light detected by the optical sens... | 06/06/2006 |
| 7056198 | Dust containment device for surfacing machines A floor machine comprising a motor, a body, and a dust collection system. The dust collection system comprises a skirt, which is coupled to the floor machine and forms a cavity over the body and a floor treatment pad. The skirt includes an air channel device secured... | 06/06/2006 |
| 7013528 | Floor cleaner with dusting A battery-powered, upright vacuum sweeper comprises a base assembly and a handle pivotably attached thereto. The base assembly comprises a vacuum fan assembly fluidly communicating with an inlet for vacuuming dust and the debris particles from a surface into a remov... | 03/21/2006 |
| 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 |
| 6842941 | Suction port assembly of vacuum cleaner A suction port assembly of a vacuum cleaner. The suction port assembly has a pair of suction paths formed at a front and a rear portions of a bottom of a suction port body, respectively, so as to enhance the cleaning efficiency, and due to a presence of an elastic m... | 01/18/2005 |
| 6799351 | Floating nozzle A power nozzle for use with a vacuum cleaner. The power nozzle includes a housing having at least two compartments and a bottom surface, a rotary brush at least partially in a front compartment of the housing, a brush motor at least partially positioned in an back c... | 10/05/2004 |
| 6434786 | Edge cleaning apparatus for a vacuum cleaner A front edge cleaning device for an upright vacuum cleaner is disclosed. The front edge cleaning assembly comprises a flexible, resilient member frontally disposed on the head assembly of an upright vacuum cleaner. In one embodiment, the front edge cleani... | 08/20/2002 |
| 6427285 | Floor surface cleaning machine A floor scrubber (10) is disclosed including a drive lug (62) for removably connecting a scrubbing member (64) to a drive (60) and having a trough for receipt and catching of solution for passage to the surface. The mount (58) for the drive (60) is biased... | 08/06/2002 |
| 6381802 | Brush assembly of a vacuum cleaner A brush assembly for a vacuum cleaner includes a brush cover; a brush base connected to the brush cover, a rotary drum disposed between the brush cover and the brush base, and an edge brush integrated bumper. The edge brush integrated bumper is mounted ar... | 05/07/2002 |
| 6341403 | Two-way guard for vacuum cleaner The invention provides a two-way protecting guard for a vacuum cleaner bumper that picks up magnetic metal objects in rugs or carpets prior to such objects entering the vacuum cleaner housing and that prevents damage to furniture and other objects from co... | 01/29/2002 |
| 6289552 | Vacuum cleaner with dual agitator windows A vacuum cleaner includes a housing having a nozzle that incorporates an agitator cavity. A rotary agitator is received in the agitator cavity. A light source is held in an illumination compartment carried on the housing. A first window divides the illumi... | 09/18/2001 |
| 6256833 | Upright vacuum cleaner with handle-mounted lamp assembly and height adjustment An upright vacuum cleaner includes a handle pivotally mounted to a base module, a lower portion of the handle mounts a lamp assembly which is hidden from view by the base module when the handle is in an upright, storage position and is visible above the b... | 07/10/2001 |
| 6226830 | Vacuum cleaner with obstacle avoidance A vacuum cleaner is provided that is adapted to detect and display and/or avoid obstacles. In such vacuum cleaners the driving wheels and/or castor wheels that determine the direction of travel may be actively controlled to achieve, at the point in time o... | 05/08/2001 |
| 6154921 | Vacuum cleaner This invention relates to a vacuum cleaner having a vacuum cleaner housing and a pivotable handle with a grip portion. The handle is pivotably secured to the vacuum cleaner housing in such a manner that the turning axis of the handle is generally horizont... | 12/05/2000 |
| 6141822 | Vacuum cleaner for household refuse The invention concerns a vacuum cleaner including an internal structure with a motor (12a) driving an air sucking turbine (12) located in a downstream chamber (16) communicating with an upstream chamber (15) containing means (13, 26) for filtering the air... | 11/07/2000 |
| 5933914 | Replaceable vacuum cleaner hose cover and bag A replaceable vacuum cleaner hose cover made from a tube of circularly knitted yarn and a replaceable vacuum cleaner bag each having a ground yarn surface and terry loops extending from the ground yarn surface. The yarn used in forming the cover and bag i... | 08/10/1999 |
| 5909755 | Vacuum dust mop The invention is a lightweight vacuum device to be used on furnishings, floors and walls. The apparatus consists of a housing having suction slots on four sides and the bottom. A motor device sits within the housing and creates a vacuum which draws dust i... | 06/08/1999 |
| 5720077 | Running robot carrying out prescribed work using working member and method of working using the same A running member is attached rotatably to a body member, and a working member is attached movably to the body member. Therefore, in a large area, a work can be carried out efficiently even in a corner portion, and a desired work can be implemented even in... | 02/24/1998 |
| 5687450 | Machine, such as a vacuum cleaner, which exhausts a clean gas, which machine has a protective bumper On floor cleaning machines, and on vacuum cleaners in particular, there is a protective bumper to provide protection for the machine against impacts and to protect furniture and other objects. The bumper extends along at least a portion of a side wall in ... | 11/18/1997 |
| 5659919 | Upright vacuum cleaner An upright vacuum cleaner includes a suction port body and a handle body which incorporates a fan motor and a dust collecting case and which is mounted to the suction port body to be tiltable about the rotating shaft of the fan motor as the tilting fulcru... | 08/26/1997 |
| 5651161 | Fabric cover for a vacuum hose A fabric cover for a vacuum hose provides a snug fit about the hose and is easily installed and removed. The cover is an elongate rectangular piece of fabric having a width approximating the circumference of the hose and having parallel longitudinal edges... | 07/29/1997 |
| 5647091 | Animal grooming vacuum cleaner A vacuum apparatus having a housing, a vacuum generating system, and a hose. The housing has a small height and a general circular disk shape. A side perimeter of the housing has a hose receiving area that extends around a majority of the housing. The hos... | 07/15/1997 |
| 5528794 | Utility vacuum cleaner tool caddy and wheel mount A utility vacuum cleaner tool caddy for utility vacuum cleaner drums as well as an axleless wheel mount are disclosed. The tool caddy has rear and front wheels with integral rear and front bumpers at least partially overlying the rear and front wheels. Th... | 06/25/1996 |
| 5509171 | Vacuum cleaner bumper system Embodiments of a bumper system are shown and described, each being for installation on floor maintenance equipment to prevent damage to walls, furniture, and woodwork, and to make easier and smoother the movement of the equipment around such obstacles. Ea... | 04/23/1996 |
| 5483718 | Floor scrubbing machine having impact energy absorption A floor scrubbing machine has a chassis mounted on front and rear wheels and a scrub head attached to the front of the chassis by a system of articulated links. Structure is provided for absorbing the kinetic energy of the moving machine in the event that... | 01/16/1996 |
| 5444893 | Apparatus for preventing bumping and falling of automatic travelling vacuum cleaner An apparatus for and a method of preventing bumping and falling of an automatic travelling cleaner wherein a situation of the cleaner is determined by sensing a variation of flow rate of a fluid in an extension pipe depending on a gap between an intake po... | 08/29/1995 |
| 5399381 | Protective floor cover for electric brooms A fabric covering adapted to be placed over the suction head of a conventional electric broom to prevent the scratching and/or marring of a non-carpeted floor surface. The fabric covering includes first and second opposed openings formed therethrough. The... | 03/21/1995 |
