Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7717525 | Spindle and hub assembly A spindle and hub assembly for a vehicle wheel is constructed so that, in the event of a failure of the bearing arrangement rotatably supporting the hub on the spindle, separation of the hub from the spindle will not immediately occur but will be prevented for a per... | 05/18/2010 |
| 7614707 | Wheel rim and wheel hub mount assembly A quick mount and dismount design and method of installation for a toy rim and tire/wheel assembly comprising a tire/wheel having an outer tire portion and an inner core ring housing inside the outer tire portion, where the inner core ring housing has an interior cy... | 11/10/2009 |
| 7416261 | Quick change adjustable track center front hub assembly and method of use The quick-change adjustable track center front hub assembly is secured to a spindle axle of a sprint car by a friction drive bearing system located between the spindle axle and the front hub assembly. The bearings are spaced apart to provide increased side and torsi... | 08/26/2008 |
| 7390068 | Coupling assembly for wheel and axle A wheel, by which a base is configured to be wheeled across a floor, includes a tread and a hub. The hub has an inner surface that surrounds an axis and defines a bore. The hub further has an outer surface surrounding the inner surface and a slot extending radially ... | 06/24/2008 |
| 7278693 | Coupling assembly A hub has an inner surface defining a bore centered on an axis, an outer surface surrounding the inner surface, and two slots extending in radially opposite directions from the bore to the outer surface. A shaft is configured to be received in the bore and has a cir... | 10/09/2007 |
| 7213890 | Wheel hub assemblies with anti-rotate feature for use with zero-radius-turning vehicle The present invention provides a hub assembly and a hub fastener anti-rotate apparatus for securing a wheel of vehicle (e.g., a zero-radius-turning lawn mower) to a vehicle drive axle. The anti-rotate apparatus may assist in preventing or substantially limiting loos... | 05/08/2007 |
| 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 |
| 7131706 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms. ... | 11/07/2006 |
| 7108336 | Emergency axle An emergency axle is provided for small trailers normally pulled by automobiles or small trucks. The emergency axle may be carried on the trailer on in the pulling vehicle. In the event an axle is damaged or breaks, the emergency axle is placed over the end of that ... | 09/19/2006 |
| 7108335 | Plastic wheel assembly, mounting sleeve and universal axle A plastic wheel assembly (122, 222) and wheel mounting sleeve (127, 227) used to releasably secure the wheel (122, 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227) includes an axle stabilizing opening (100, 200... | 09/19/2006 |
| 7011321 | Quick release detachable wheels A quick release detachable wheel hub assembly is shown for a lightweight manual wheelchair. The wheelchair wheels mount on exterior hubs and rotate therewith. The inner face out of each of the exterior hubs mates with an opposing outer face of interior hubs. One of ... | 03/14/2006 |
| 6948576 | Driving and transmission unit for use in rolling vehicles A driving unit for use with a rolling vehicle is provided containing a first and second motor mechanically coupled to two wheels via a transmission unit which is pivotable about the steering axis of the driving unit and adapted to establish a driving relationship be... | 09/27/2005 |
| 6948782 | Wheel hub assemblies with anti-rotate feature for use with zero-radius-turning vehicle The present invention provides a hub assembly and a hub fastener anti-rotate apparatus for securing a wheel of vehicle (e.g., a zero-radius-turning lawn mower) to a vehicle drive axle. The anti-rotate apparatus may assist in preventing or substantially limiting loos... | 09/27/2005 |
| 6938964 | Wheel A journal for coupling a wheel to an axle is configured to be mounted in a bore of the wheel. The journal defines a reception space for receiving an axle. A locking element is pivotally mounted on the journal from a release position in which the axle is removable fr... | 09/06/2005 |
| 6913324 | Blow molded wheel with axle retainer A molded plastic wheel includes a seamless annular body that is integrally molded from a first material exhibiting a first density and includes a hollow hub having an axle bore and hollow spokes that radially extend from the hub to a hollow box defined by planar fir... | 07/05/2005 |
| 6910742 | Wheel A journal for coupling a wheel to an axle has a main tubular body portion with a reception space for the axle and a separate locking element. The locking element is mounted in a cradle for pivotal movement about a pivot axis from a release position in which the axle... | 06/28/2005 |
| 6886894 | Bicycle hub axle A bicycle hub is provided with a hub axle assembly, a hub shell and a pair of bearing units. The hub axle assembly basically has a hub axle washer, a bicycle hub axle and a washer retaining portion or member. The hub axle washer includes an outer peripheral surface ... | 05/03/2005 |
| 6715845 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms. ... | 04/06/2004 |
| 6655061 | One way free spinning hubcap A one way free spinning hubcap assembly having a decorative hubcap and a bracket assembly. The bracket assembly is attached to a vehicular wheel and the hubcap is rotatably attached thereto. A bearing clutch present in the bracket assembly permits the hub... | 12/02/2003 |
| 6644757 | Wheel hub A wheel hub that provides a wheel that is free-wheeling in both directions of turning and is constructed to provide low rolling resistance, greater load carrying capacity and is more reliable that earlier hubs. The hub includes separate bearing systems fo... | 11/11/2003 |
| 6609765 | Adjustable wheel and axle assembly for a work vehicle An adjustable wheel and axle assembly has a two piece inner element with inner and outer tapered portions. A wheel hub having a two-tiered tapered interior bore with one tapered portion engaging the inner element while the other tapered portion is radiall... | 08/26/2003 |
| 6598941 | Apparatus and method for attaching a wheel to an axle An apparatus and method for attaching a wheel to an axle. The apparatus comprises a wheel with a hub for insertion into an indentation in the end of the axle and a single bolt that is offset from the axis of rotation of the wheel and axle and that attache... | 07/29/2003 |
| 6575539 | Wheel attachment An apparatus and method for attaching a wheel to an axle. The apparatus comprises a wheel with a hub for insertion into an indentation in the end of the axle and a non-cylindrically-symmetrical stud attached to the axle that is concentric with the axis of... | 06/10/2003 |
| 6533364 | Wheel hub A wheel hub that provides a wheel that is free-wheeling in both directions of turning and is constructed to provide low rolling resistance, greater load carrying capacity and is more reliable that earlier hubs. The hub includes separate bearing systems fo... | 03/18/2003 |
| 6508518 | Hubcap locking device A wheel assembly which includes a wheel having a central bore and an attached hubcap. An axle is fitted into the central bore of the wheel assembly and interlocks with the hubcap, serving to secure the wheel assembly to the axle while permitting movement ... | 01/21/2003 |
| 6464305 | Blow molded wheel with axle retainer A blow-molded wheel including an axle retainer assembly. The retainer assembly includes a housing having transverse sleeves that support an axle and a spring biased retainer pin that mounts to an annular groove at the axle. The housing is supported in a c... | 10/15/2002 |
| 6402258 | Vehicle wheel attachment system A vehicle wheel attachment system for facilitating hydraulic coupling of a vehicle wheel to a vehicle includes a hub assembly having a piston hydraulically coupled to a plunger assembly. The hub assembly is passed through a wheel and attached to a rotor. ... | 06/11/2002 |
| 6322157 | Wheel end for drive axle A wheel end is provided where the spindle is an integral cast and machined trumpet-shaped arm made from high strength ductile iron, and a seal retainer is provided to locate and protect the inner wheel bearing and wheel end from debris. The trumpet-shaped... | 11/27/2001 |
| 6280001 | Waste container and wheel assembly with pultruded axle A waste container having a wheel assembly comprising an axle assembly on which are slidably mounted a pair of wheels. The axle assembly comprises a pultruded shaft with opposing end caps. The end caps have an indentation for receiving a retainer to retain... | 08/28/2001 |
| 6193325 | Fixing device for a baby stroller frame and a hub A fixing device for a hub and a tube of a baby stroller frame includes a hub including an axial hole having two ends, each end of the hub having a bearing mounted therein. A tubular shaft of an appropriate length includes a longitudinal hole having two en... | 02/27/2001 |
| 6170920 | Blow molded wheel with axel retainer A blow-molded wheel including an axle retainer assembly. The retainer assembly includes a housing having transverse sleeves that support an axle and a spring biased retainer pin that mounts to an annular groove at the axle. The housing is supported in a c... | 01/09/2001 |
| 6074014 | Front hub of children tricycle A tricycle front hub is composed of a rectangular through hole and a fastening device located securely in the rectangular through hole for holding a crank rod of a front wheel of the tricycle. The rectangular through hole is provided with a plurality of r... | 06/13/2000 |
| 6000763 | Wheel safety lock In a dead axle wheel assembly having a hub and bearings mounted on a threaded spindle and held there by lock nuts to rotatably support a vehicle wheel, a safety lock comprising a sleeve, closed at an outer end and open at an inner end, the sleeve of a siz... | 12/14/1999 |
| 5957544 | Wheel fixing device for a baby stroller A fixing device for a wheel of a baby stroller utilizes an axle hole of the wheel formed to receive a rotation axle provided with a recessed neck. The device includes a sleeve provided in the axle hole of the wheel with a receiving chamber. The sleeve inc... | 09/28/1999 |
| 5938294 | Engaging device for disposing wheels to a golf cart An engaging device for disposing a wheel to an axle of a golf cart includes a disk member fixedly connected to the wheel and having a recessed portion defined therein. An oblong hole is defined through the disk member. An actuating plate is movably receiv... | 08/17/1999 |
| 5902018 | Hubcap locking device A wheel assembly which includes a wheel having a central bore and an attached hubcap. An axle is fitted into the central bore of the wheel assembly and interlocks with the hubcap, serving to secure the wheel assembly to the axle while permitting movement ... | 05/11/1999 |
| 5884982 | Wheel assembly A wheel assembly for use with carts employs a sleeve element as an intermediate member between a central axle and both the wheel and the cart body. The sleeve element has an inner recess shaped to receive an end portion of the axle and a first external su... | 03/23/1999 |
| 5797659 | Lug nut apparatus with square drive A cylindrical lug nut is formed with a threaded axially inwardly opening bore and a concentric chamfer for abutting the chamfer and the lug nut bore of a wheel and an axially outwardly opening lug socket for complemental receipt of a square drive lug for ... | 08/25/1998 |
| 5727850 | Safety and control system for the locking mechanism of a wheel hub, notably for wheelchairs In the hub body (1) of a wheelchair wheel hub, a quick release system is operated axially by a pushing member (6) to enable its positioning on a supporting structure. The wheel hub features, on the opposite end of its mounting side, a deep cavity allowing... | 03/17/1998 |
| 5536033 | Collapsible baby jogging stroller A three-wheeled jogging stroller with demountable wheels, a removable cloth-like seat and a collapsible frame assembly. The frame assembly includes a primary structural rear axle assembly having a member of an enlarged diameter tubular construction with c... | 07/16/1996 |
