Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8025343 | Wheel which produces an eccentric visual effect A metal wheel which produces an unusual visual effect when rotated employs a disc member extending between a center hub and outermost rim in angular relationship to the wheel's axis of rotation. The rim is provided with a continuously varied weighting feature to neu... | 09/27/2011 |
| 8020944 | Wheel system with deformable tire A wheel comprising means for providing one or more protrusions in a ground-engaging surface of the wheel. In some embodiments, the wheel comprises a first hub, a tire mounted on the first hub, a second hub rotatable with respect to the first hub, and means for defor... | 09/20/2011 |
| 8020943 | Aircraft wheel assembly A wheel assembly (10) is disclosed, including a wheel base (14) and a wheel rim member (16). The wheel base (14) has along at least a portion of its length a non-circular cross sectional outer surface (86). The wheel rim member ( | 09/20/2011 |
| 8011734 | Variable rolling resistance wheel for rolling vehicle A wheel for an in-line skate or other wheeled vehicle is disclosed that may be modified to alter the rolling resistance of the wheel. The wheel may be disassembled to change a tire on the outer surface of the wheel to one made of a harder or softer material, and to ... | 09/06/2011 |
| 8011733 | Wheel with thermoelectric energy conversion module A wheel includes a metal rim, an electrically conductive hub, a thermoelectric device, and a battery. The metal rim is exposed out of a circumference surface of the wheel for contacting with the ground. The thermoelectric device is connected between the metal rim an... | 09/06/2011 |
| 7959235 | Eccentric wheel apparatus for rocking bicycle The eccentric wheel apparatus includes a rotating frame, a wheel frame, and a circular adjustment member. Here, the inner portion of a cylindrical body is isolated by an isolation plate and an axial tube to which a driving shaft is fixed is eccentrically formed via ... | 06/14/2011 |
| 7901012 | Wheel which produces an eccentric visual effect A wheel having a hub centered upon an axis of rotation is provided with a disc member extending outwardly from the hub and centered upon a plane that intersects the axis at an angle between 47 and 87 degrees and terminates in a rim member having a radially measured ... | 03/08/2011 |
| 7441786 | Convertible low profile roller and support base A low profile roller includes a wheel mounted on a hollow hub and having a roller ball mounted within the hollow hub. The roller is configured to function in a first, low profile operating mode when the roller ball is in contact with a support surface and in a secon... | 10/28/2008 |
| 7346984 | Light metal wheel A wheel, particularly a light metal wheel, for motor vehicles, essentially consists of a spoke wheel center (20) and a rim (10). In order to reduce weight and increase the bending strength, which is of great significance in regard to contact with curbs... | 03/25/2008 |
| 7334846 | Bicycle wheel rim A bicycle wheel rim having a circular base portion including a proximal surface and a distal surface, and a pair of integral sidewalls extending generally radially outward from an intersection region of the proximal surface and the distal surface. The distal surface... | 02/26/2008 |
| 7334850 | Adaptable traction system of a vehicle A traction system for a vehicle has a support frame that defines a circular track belt support that is revolvable about an axis at its center, a flexible track belt; and a track belt stretching assembly comprising one or more track belt stretching rollers. The syste... | 02/26/2008 |
| 7329167 | Multi-axle running toy and multi-axle running toy set A multi-axle running toy includes: a flywheel to serve as a driving source; three or more drive axles driven by rotation of the flywheel; a gear train to transmit the rotation of the flywheel to the drive axles; and traveling wheels installed on both ends of each of... | 02/12/2008 |
| 7281769 | Two-component wheel hub A wheel hub having two separable components. The wheel hub includes a sleeve rotatably mounted to a vehicle axle. A wheel-mounting flange for mounting a wheel of the vehicle is positioned substantially around the sleeve, and a bolting lip of a brake rotor (or brake ... | 10/16/2007 |
| 7270381 | Automotive wheel having a foot step A step assembly for an automotive wheel includes a first member at least partially defining an annular track, a second member connected with respect to the track for movement along the track, and a third member defining a stepping surface. The third member is pivota... | 09/18/2007 |
| 7264315 | Wheel assembly and wheelchair A wheel assembly having multiple small rotatable wheels mounted laterally thereon whereby lateral movement as well as forward and backward movement is provided. A pair of the wheel assemblies are utilized on a hand-propelled wheelchair that can be moved laterally as... | 09/04/2007 |
| 7240969 | Vehicle wheel axle centrifugal adjusting arrangement A vehicle wheel includes a wheel body having an elongated guiding slot radially extended from a center of the wheel body; and an axle centrifugal adjusting arrangement, which includes a sliding member slidably mounted along the guiding slot for mounting the wheel bo... | 07/10/2007 |
| 7152643 | Rim wheel, and tire-rim assembly A purpose of the present invention is to provide a rim wheel and a tire rim assembly which are capable of effectively reducing cavity resonance of a tire, and accordingly, enhancing quietness and riding comfort. A plurality of cap members 20 is arranged on an... | 12/26/2006 |
| 7150070 | Hubless caster A hubless caster assembly includes a caster body and at least one wheel, the wheel comprising a toroidal member having a bearing race, and a complementary bearing race supported by the caster body. Bearing elements in the races support the wheel in free rotation. Th... | 12/19/2006 |
| 7137675 | Road wheel for tracked vehicles A hollow-shell road wheel for tracked vehicles includes a generally triangular, outer circumferential cavity formed by an outer rim and two wall members that extend radially inward at angles to a generally planar flange at approximately the mid-radius point of the h... | 11/21/2006 |
| 7114785 | Aerodynamic surfaced bicycle wheel A bicycle wheel includes a tire engaging portion located at the outward perimeter of the wheel, an inner portion located radially inward from the tire engaging portion A pair of air engaging side surfaces extend radially between the inner portion and the tire engagi... | 10/03/2006 |
| 7108331 | Generation of in-line skates and skate-boards with safety “EDGING FRICTION CONTROL™” The invention discloses a technology to safely control speed and brake on in-line skates using a ski-like technique, wherein in-line skate wheels can rotate both vertically and at an angle. When angled (or “canted”) the wheels contact a friction strip within the... | 09/19/2006 |
| 7100654 | Safety support for a vehicle wheel and safety system and vehicle wheel including the safety support A safety support for mounting on a rim of a vehicle wheel within a tire includes a substantially toroidal hollow annular body and a filling of elastically deformable expanded material. The annular body includes a convex radially outer surface, two axially opposite s... | 09/05/2006 |
| 7025391 | Non-permeable pipe connector structure A non-permeable pipe connector structure, the design of which effectively prevents external material (such as vapor and miscellaneous substances, etc.) intrusion. To obstruct the intrusion of external matter into the pipe connector, a ball bearing holder is disposed... | 04/11/2006 |
| 7014272 | Toy wheel A self-contained toy wheel having a rim with a tire which revolves around a weighted, stationary hub assembly. The hub assembly has an off-center weight which keeps the hub assembly at the same orientation at all times regardless of rim position, speed or angle of m... | 03/21/2006 |
| 7014274 | Sheet-steel wheel rim with optimized profile A motor vehicle sheet-steel wheel rim (30, 50), including axially, from the inner side to the outer side, an inner hook (4), an inner seat (5), a connecting zone (7), a mounting groove (9), a hump (11), an outer seat (5 | 03/21/2006 |
| 6886616 | Wheel structure A wheel structure for vehicles, capable of reducing a columnar resonance sound occurring in a wheel during a travel of a vehicle. A cross-sectional shape of a closed space defined by a wheel and a tire is varied in the circumferential direction so that a columnar re... | 05/03/2005 |
| 6676223 | Automotive wheel having a foot step An automotive wheel incorporating a selectively retractable foot step. The wheel has a wheel opening defined by a wheel opening periphery. Located at the opening is a pedestal having a disk, the periphery of which is rotatably interfaced with the wheel op... | 01/13/2004 |
| 6604589 | Drive for a vehicle intended to transverse rough terrain A drive for a vehicle traversing rough terrain including first and second drive units and first and second pairs of tires. The first drive unit includes a first differential and axle. The second drive unit includes a second differential and axle. A second... | 08/12/2003 |
| 6561591 | Wheel assembly An apparatus includes first and second wheel sections configured to mate in axially opposed relationship to define a rotatable wheel body. The wheel body has a peripheral outer surface extending circumferentially about an axis of rotation and a bearing ca... | 05/13/2003 |
| 6543559 | Vehicle propulsion system A propulsion system for a vehicle comprised of two wheels, both of which are in the shape of hemispheres. Each of the hemisphere wheels is mounted through a bearing on a fork with two pivots attached to the inner race of the bearing, allowing the wheel to... | 04/08/2003 |
| 6464302 | Structural improvement of a wheel The present invention relates to the structural improvement of a wheel, and more particularly to an assembled wheel structure that has excellent resilience and no need to fill in air as well as is free of air leakage and easy to be disassembled. The prese... | 10/15/2002 |
| 6264283 | Adjustable wheel for toy vehicles An adjustable wheel assembly is provided and includes two pairs of oppositely disposed rim sections. The wheel assembly is normally biased in a circular configuration by a resilient tire disposed over the rim sections. A device for movably mounting the ri... | 07/24/2001 |
| 6168242 | Zirconium nitride coating having a top layer thereon An article is coated with a multi-layer coating comprising a polymeric layer deposited on the surface of the article, a zirconium compound or titanium compound layer deposited on the polymeric layer, and a polyurethane layer deposited on the zirconium com... | 01/02/2001 |
| 6120103 | Two-way wheel assembly A wheel assembly attached to, or integrally formed with, the underside of an object for allowing the object to roll in one of at least two rolling directions includes a fixture and a wheel. The fixture has a first pair of spaced-apart axle mountings defin... | 09/19/2000 |
| 6000484 | Articulating wheeled permanent magnet chassis with high pressure sprayer A remotely controlled, magnetic wheeled vehicle having a high pressure spray head for cleaning ferromagnetic surfaces. An articulating CHASSIS supports a variable frequency motor, gear reducers, drive axles, a servo motor steering linkage and multiple, la... | 12/14/1999 |
| 5882026 | Rotary drive mechanism A drive mechanism for a driven member having a hub and rim coaxial with and supported by the hub includes at least two transmission cables which extend between the hub and the rim. One end of each transmission cable is secured to the hub and extends from ... | 03/16/1999 |
| 5863166 | Anti-theft locking device A device for locking bicycle components to the bicycle frame comprises a threaded bolt with a corresponding nut having a rotatable casing surrounding the outer surface thereof and a key for engaging the nut. The key and the end face of the nut have at lea... | 01/26/1999 |
| 5839795 | Variable outer diameter wheel for vehicles A variable outer diameter wheel includes a generally cylindrical pipe or drum having four equally spaced penetrating holes or receiving parts in the cylindrical wall, a diaphragm sealing member corresponding to each of the penetrating holes and fitted to ... | 11/24/1998 |
| 5833324 | Wheel and method for manufacturing of the same A wheel, of which the peripheral part (18) has axially separated circular annular flange parts (40), which form running surfaces (42) on the wheel. The wheel is made of complementary wheel halves, where each wheel half (12) on its peripheral part (18) has... | 11/10/1998 |
| 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 |
