Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8127809 | Energy efficient wheel system A vehicle wheel assembly and a method of making the wheel assembly. In one embodiment, a wheel assembly may include a rim, a hoop member, and a resilient member. The hoop member may be disposed around the rim and spaced apart from the rim. The resilient member may b... | 03/06/2012 |
| 7334617 | Solid rubber tire with flexible hub and replaceable tire tread A solid rubber tire with a flexible drive hub having a multiplicity of hub ribs and grooves formed around the periphery of the flexible drive hub and a solid rubber tire tread replaceably mounted on the flexible drive hub having a multiplicity of interior tread groo... | 02/26/2008 |
| 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 |
| 6848750 | Generation of in-line skates and skate-boards with safety “edging friction control™” The frame of an in-line skate (FIG. 8B) supports a wheel (10), allowing a skater to effectively slow down and stop, using an athletic stance that skiers on snow and ice skaters on ice use. The wheel (10) has a hub (20A), allowing a wheel to rota... | 02/01/2005 |
| 6702399 | Shock absorbing bicycle wheel hub A shock absorbing bicycle wheel hub apparatus uses an open ended, cylindrical shock absorber housing mounted concentrically within a wheel hub. The wheel hub is adapted for rotation about the shock absorber housing. A pivot tube is axially aligned with th... | 03/09/2004 |
| 6491075 | Wheels The wheel comprises an inner rim attached to a wheel hub e.g. by spokes, an outer rim for receiving a tire, and a resilient member between the rims which in use serves to absorb shocks from the surface over which the wheel passes. An opening for a valve i... | 12/10/2002 |
| 6406101 | Shock absorbing bicycle wheel hub A shock absorbing bicycle wheel hub apparatus uses an open ended, cylindrical shock absorber housing mounted concentrically within a wheel hub. The wheel hub is adapted for rotation about the shock absorber housing. A pivot rod is axially aligned with the... | 06/18/2002 |
| 6322153 | Self-suspending wheel An outer wheel, tire and rim, is mounted onto an inner wheel or hub and is adapted for low friction rotation on the hub. An arm is pivotally attached to the inner wheel and carries a receiver for the axle upon which the wheel is mounted so that the axle i... | 11/27/2001 |
| 6123128 | Floating wheel assembly A cushion wheel assembly having a central hub coaxially surrounded by a resilient circular ring which is coaxially surrounded by a pneumatic tire on a mounting rim. The components are arranged so that axial compression of the resilient ring locks the comp... | 09/26/2000 |
| 5372170 | Resilient integrally sprung wheel for a vehicle The wheel includes a central hub suitable for mounting to an axle and a rigid annular outer rim supported on the hub by a plurality of elastomeric support assemblies to impart integral springing to the wheel, the elastomeric support assemblies including a... | 12/13/1994 |
