Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7044179 | Elastic wheel An elastic wheel includes a disk (1) secured to an axle hub, a rim (12) for mounting a tire, and an elastic member (10) arranged between the inner peripheral surface of the rim (12) and the outer peripheral surface of the disk (1).... | 05/16/2006 |
| 6637827 | Generation of in-line skates and skate-boards wtih 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 rotate around ... | 10/28/2003 |
| 6615885 | Resilient wheel structure A resilient wheel structure having a rim and a hub interconnected by spokes, wherein the rim is sufficiently stiff to distribute a load to all of the spokes, and wherein the wheel is able to absorb loads in both the radial and axial directions. The rim co... | 09/09/2003 |
| 6279630 | Non pneumatic tires A new class of non-pneumatic tires is proposed, comprising an exterior torus and an interior torus and in the space between them a waveform undulating ribbon like structure having a constant wavelength and the undulating direction being perpendicular to t... | 08/28/2001 |
| 5393078 | Skate with in-line wheels A skate including a chassis formed by an upper horizontal plate solidly joined to the sole of a shoe by fasteners and a lower part running perpendicular to the plate and including at least one lateral flange on which the wheels are disposed by transverse ... | 02/28/1995 |
| 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 |
