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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7316050 | Vacuum cleaning tool having an exchangeable attachment A cleaning tool for a vacuum cleaning device has a housing and a motor arranged in the housing. A tool carrier and a rotatingly driven working tool are provided. The working tool has two ends rotatably supported in the tool carrier. The tool carrier and the working ... | 01/08/2008 |
| 7246409 | Manually-powered floor sweeper with vacuum port A manually-powered floor sweeper is provided according to the invention. In one embodiment, the manually-powered floor sweeper includes a chassis and handle, one or more agitator rollers rotatably affixed to the chassis and rotated by movement of the floor sweeper, ... | 07/24/2007 |
| 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 |
| 7150068 | Light-weight self-propelled vacuum cleaner A vacuum cleaner power head (40) for vacuum cleaning and having two counter rotating agitators 52 and 54. Motor (60) rotates agitators (52) and (54) through transmission (70), and also rotates suction fan (65) ... | 12/19/2006 |
| 7146682 | Powered edge cleaner A floor care appliance such as a vacuum cleaner is provided having a traction wheel powered edge cleaner comprised of a vertical axis rotary agitator which is affixed to either the right or left side of the suction nozzle. The agitator is rotated by the traction whe... | 12/12/2006 |
| 7143471 | Vacuum cleaner attachment A vacuum cleaner attachment is provided. The vacuum cleaner attachment includes a chassis and a plurality of wheels. The chassis is adapted to roll on an underlying surface using the plurality of wheels. The vacuum cleaner attachment further includes a vacuum cleane... | 12/05/2006 |
| 7134160 | Cleaning device In a cleaning device 10, a dustpan portion 23 is supported to a frame 15 so as to freely oscillate independently from a scraping up body 16 in a vertical direction, and a dust receiving portion 23C of the dustpan portion 23 ... | 11/14/2006 |
| 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 |
| 6934993 | Extraction cleaning machine with agitation brushes An extraction cleaning machine has a solution dispensing system and a recovery system for applying a cleaning solution to a surface and recovering the solution from the surface, and an agitation brush assembly for agitating the surface. The agitation brush assembly ... | 08/30/2005 |
| 6918156 | Suction brush assembly having rotation roller for sweeping dust A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to r... | 07/19/2005 |
| 6574830 | Vacuum operated cleaning accessory with roller brush A vacuum cleaner accessory that is used in cleaning heat exchanger units for heating and cooling machinery, wherein the invention comprises of a wand-like body forming an interior that is continuously connected at a rear open end with a vacuum source and ... | 06/10/2003 |
| 6021546 | Vacuum cleaning apparatus for carpets A carpet vacuum cleaning machine and roller attachment apparatus therefor for cleaning and extracting dirt and debris deep below the surface of carpets. The carpet cleaning machine includes a vacuum head or housing operably connected to a vacuum source an... | 02/08/2000 |
| 5960514 | Wheel driven suction nozzle A wheel driven suction nozzle having an upper body attached to an under body. An opening is formed at a front of the upper body which provides access to a suction cavity. An agitator covered with a fluff material is removably rotatably mounted within the ... | 10/05/1999 |
| 5400467 | Suction head of vacuum cleaner A suction head for a vacuum cleaner includes a rag roll device which is wetted to perform a wet wiping action across the floor. The rag roll device is mounted for rotation about a horizontal axis. A rotation regulating mechanism, comprised of a pawl devic... | 03/28/1995 |
| 5241724 | Vacuum cleaner having the function of wet wiping rag A vacuum cleaner includes a housing having a suction opening disposed between front and rear brushes for sucking dirt from a floor. A rag disposed behind the rear brush is rotatably driven about a transverse axis by the reciprocal action of the housing as... | 09/07/1993 |
| 4964190 | Floor nozzle of a vacuum cleaner A floor nozzle of a vacuum cleaner is provided with an upper nozzle housing hingedly connected to an intake joint of the cleaner and a lower nozzle housing securely connected to the upper nozzle housing through a bumper, with an intake opening being forme... | 10/23/1990 |
| 4903369 | Suction nozzle device for use in vacuum cleaner A suction nozzle device connected to a vacuum cleaner for cleaning beddings such as blankets. The suction nozzle device includes a nozzle which is coupled through a suction passage to an electric blower of the vacuum cleaner and which has a suction openin... | 02/27/1990 |
| 4815157 | Floor cleaner A floor cleaner of the present invention has wheels provided on a main body casing which is journaled to a proximal portion of an operation handle, a rotary cleaning body on each side end portion of which is mounted a driven roller which is freely engagea... | 03/28/1989 |
| 4577366 | Vacuum cleaner nozzle having rotating brush A nozzle assembly for a vacuum cleaner is provided with floor engaging wheels that are frictionally engaged with and rotate additional wheels that are secured to the ends of a brush in a manner such that rotation of the additional wheels causes the brush ... | 03/25/1986 |
| 4363157 | Buffing pad cleaning tool A hand-held buffing pad cleaning tool providing both a plurality of spaced star wheels and an operator-activatable air nozzle for simultaneously drying finishing material in the fibers of a buffing pad, loosening the dried material and blowing it away.... | 12/14/1982 |
| 4156298 | Shag rug fluffing and object retrieving device A wheel-supported shag rug brushing and raking device, which when moved over a shag rug fluffs the long strands of the nap thereof, and concurrently retrieves magnetically attractable objects such as hairpins, bobby pins, and the like. The device is relat... | 05/29/1979 |
