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| Number | Title | Issue Date |
| 7351171 | Bicycle hub outer and bicycle hub A rear hub has a hub shaft and a hub outer that is configured to be mounted in a freely rotatable manner to the hub shaft. The hub outer has an outer main body and an adapter. The outer main body is arranged on the radially inward side of a sprocket, and has a first... | 04/01/2008 |
| 7275280 | Wheel support arrangement for an autonomous cleaning apparatus A carrier, such as an autonomous cleaning apparatus, has a self-adjusting wheel assembly that can move vertically, thereby enabling the carrier to readily pass over a surface. The wheel assembly may include microswitch, which activates a control mechanism for the ca... | 10/02/2007 |
| 7195322 | Vibration-proof wheels for wheeled luggage A luggage wheel assembly comprises an L-shaped bezel including a hollow lower portion of arcuate section, and a well defined by the lower portion for receiving a wheel; and a shock absorber extended from the wheel into the lower portion. Lower, oblique first slot an... | 03/27/2007 |
| 7165815 | Wheel assembly for garden shears A wheel assembly includes a main body, two wheels, two positioning shafts, and two retaining rods. In practice, the retaining portion of each of the retaining rods is urged on the positioning plates of the respective positioning shaft to position the locking portion... | 01/23/2007 |
| 7146683 | Articulated caster An apparatus for supporting an object includes a base assembly and at least three wheels pivotally attached to the base assembly. A pivot arm includes a flange plate at an upper end for attachment to the object. An opposite lower end of the pivot arm includes a univ... | 12/12/2006 |
| 7134678 | Wheelchair A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the low... | 11/14/2006 |
| 7047594 | Cyclonic vacuum cleaner A cyclonic vacuum cleaner having a simple structure with low airflow leakage and excellent maintainability despite its long suction passage. A dust-collecting portion 11 includes a cyclonic portion 14 which is approximately cylinder-shaped, having a bo... | 05/23/2006 |
| 7011317 | Cart wheel with bearing components A wheel assembly for a material handling cart includes a wheel hub having first and second openings in first and second hub faces, each concentric with and extending along a central axis of the wheel hub. First and second ball bearings are located in the openings. I... | 03/14/2006 |
| 6961976 | Mechanism for limiting casters to move forwardly while towing luggage obliquely A caster assembly mounted at either bottom corner of luggage comprises a cavity disposed in an underside of the bottom corner, the cavity including an upright front wall and a slanted rear wall, a wheel mount including a positioning slot in a rear of an upper portio... | 11/08/2005 |
| 6923277 | Solar-powered transmission device A solar-powered transmission device includes a casing, a cover, a drive unit, and a solar collecting panel. The casing is formed with a hole unit. The cover cooperates with the casing so as to confine a component receiving space, and has a transparent portion that p... | 08/02/2005 |
| 6758534 | Mounting element for the wheels of rolling containers A mounting element for the wheels of rolling containers comprises: a load-bearing member rigidly attachable to a bottom edge of a container designed to be rolled along a surface; an arm supporting at least one wheel designed to enable the container to be rolled on t... | 07/06/2004 |
| 6607250 | Caster block and wheel lock for wheelchair A caster block for receiving a caster wheel for a wheelchair, in which a housing defines a central bore and spaced-apart bores for bolts to connect the caster block to the wheel chair. A resilient core in the central bore defines recesses in opposing dist... | 08/19/2003 |
| 6409283 | Wheel assembly for a truck-attached carriage A wheel assembly for a trunk-attached carriage includes an integrally formed wheel bracket having a vertical, a side and a bottom plate for mounting onto a lower rear corner of a trunk, a compression spring, a short wheel axle, a locking member, and a whe... | 06/25/2002 |
| 6382736 | Wheel device A wheel device has a fixed seat, a wheel support seat disposed in the fixed seat, and a wheel inserted in the wheel support seat. The wheel has a center hole. The fixed seat has a convex housing. The wheel support seat has a hollow interior, two opposite ... | 05/07/2002 |
| 6331036 | Axle mount for wheelchair An axle mount for attaching a quick-release wheel to a wheelchair, which axle mount has a split-sided cylinder with a pair of flanges extending laterally from the edges of the split, the flanges defining bores for receiving fasteners to clinch the split-s... | 12/18/2001 |
| 6231130 | Wheel support device A wheel support device has a triangular longitudinal casing, a triangular transverse casing, a convex housing, and a colored triangular plate. The convex housing has a through hole. The triangular longitudinal casing has a groove, a circular hole, and two... | 05/15/2001 |
| 6193324 | Wheel device A wheel device has a wheel support seat, a wheel inserted in the wheel support seat, and a fixed seat engaging with the wheel support seat. The wheel support seat has a convex housing, two outer positioning plates, two inner guide grooves, two click block... | 02/27/2001 |
| 6167994 | Durable device for wheeled luggage A durable device for wheeled luggage is disclosed. The durable device, made of a highly durable material, raised above a rear side shell of the luggage for a predetermined distance, is mounted on a pedestal of the luggage and above a wheel for avoiding th... | 01/02/2001 |
| 6116701 | Detachable luggage wheel structure A detachable luggage wheel structure is disclosed. The detachable luggage wheel structure comprises a pedestal, a wheel assembly located on a lower part of the pedestal, a fixed member provided on the pedestal, a bolt, and a block secured to the fixed mem... | 09/12/2000 |
| 5971497 | Vacuum cleaner having an apparatus for fixing wheels The vacuum cleaner has a hollow first fixing member formed together with a body, and a second fixing member assembled with the first fixing member. The first and the second fixing members are formed with a first and a second ribs respectively. The first a... | 10/26/1999 |
| 5921635 | Wheel mounting system for molded luggage case Luggage cases usually include wheels to aid in their transport. The wheels and their mounting systems must themselves be extremely sturdy, and should not cause weakness or mechanical failure of the luggage case to which they are mounted. The disclosed can... | 07/13/1999 |
| 5875519 | Universal angle wheel assembly A universal angle wheel assembly has a wheel holder plate, a main seat disposed on the wheel holder plate, a cover plate disposed on the main seat, a shaft extending from a top portion of the wheel holder plate, and a pivot pin fastening a wheel in the wh... | 03/02/1999 |
| 5873145 | Wheel assembly A wheel assembly has a wheel holder seat having a hollow pivot end and two lugs, and a main seat having a reinforced main body, a hollow pivot cover, a notch, two inner flanges, an inner interior, and a post. The wheel holder seat has two laterals engagin... | 02/23/1999 |
| 5797661 | Wheel of a vacuum cleaner Disclosed is a wheel of a vacuum cleaner which can be easily assembled and disassembled. The wheel has a hollow cylindrical hub incorporated with a cleaner body, a roller supporting the cleaner body while rolling on a floor, a support member, and a cap. T... | 08/25/1998 |
| 5603555 | Wheel axle-bearing assembly A non-corrosive, small particle resistant wheel axle-bearing assembly for a free wheeling hand carry device is provided which includes a wheel, an axle spindle and an annular bearing. In a preferred embodiment of the invention, the wheel includes a centra... | 02/18/1997 |
| 5598605 | Wet/dry utility vacuum cleaner with a 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... | 02/04/1997 |
| 5271633 | In-line roller skate having easily replaceable bearings A skate housing assembly for high speed in-line roller skates. There is a frame with a top surface attached to a sole of a skate boot and two descending side skirts having multiple linear transverse bores. A pocket located on the inside surface of each de... | 12/21/1993 |
| 5222786 | Wheel construction for vacuum cleaner A wheel assembly for a vacuum cleaner includes an axle, a collar, and a wheel. The axle is cylindrical and has inward and outward ends. The inward end is attached to a housing of an associated vacuum cleaner and the outward end has locking projections ext... | 06/29/1993 |
| 5088799 | Attachment wheels for concrete finishing machines An improved attachment wheels are to be attached on a frame of a machine which provide equipment to rotate on a surface. By attaching the improved attachment wheels on the frame of the machine to move the machine from one place to another. The improved at... | 02/18/1992 |
| 5005912 | Wheel mounting assembly for a storage and retrieval machine A wheel mounting assembly for a rail-supported storage/retrieval machine. The drive and idler wheels are each mounted on a removable module which includes a fixed plate having a concave spherical surface formed in it and movable plate to which the wheel i... | 04/09/1991 |
| 4963115 | Multipurpose container toy with mountable wheels A construction toy set whose main component is a cubical open-top box, the bottom and side walls of which are divided into quadrants, each having a keyhole therein and a coupling collar encircling the keyhole and projecting from the quadrant. Also include... | 10/16/1990 |
| 4955669 | Wheel bearing arrangement for suction cleaner In a wheel bearing arrangement for a suction cleaner, the wheel (20) has on its inside a shaft (21) cooperating with bearing surfaces (12,14) in the suction cleaner housing (10) and a bottom portion (15) thereof, respectively. According to the invention, ... | 09/11/1990 |
| 4917442 | Demountable trailer wheel A connection for quickly mounting and removing wheels from a trailer, without removing or replacing lug nuts. The wheel assembly includes a non-rotating shaft or axle which serves as its journal. This journal is inserted and received snugly within a sleev... | 04/17/1990 |
| 4735459 | Wheel system adapted to be rapidly dismantled from a support A wheel support system for articles of furniture and the like wherein the wheels are adapted to be readily dismantled from their support to thereby permit stacking of the furniture and wherein the wheels are engageable in vertical notches which are offset... | 04/05/1988 |
| 4546512 | Mechanical sweeper Mechanical sweeper with slotlike bearing bores with introduction slits in partition walls and outwardly open wheel recesses in the housing wherein the drive/running wheels are closed externally with a smooth surface and are retained by check plates and re... | 10/15/1985 |
| 4530543 | Plastic wheel having an annular bearing support A wheeled support structure for use in a vacuum cleaner or the like. The wheeled support structure includes a wheel mount on the body of the vacuum cleaner defining an outwardly opening recess having an inwardly facing lock surface. The wheel mount furthe... | 07/23/1985 |