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 |
| 7338056 | One piece flexible skateboard A flexible skateboard may include a pair of direction casters mounted for steering rotation a twistable one piece skateboard. A center section may be made sufficiently narrower than outboard foot support areas which may be twisted by a rider to add energy for rollin... | 03/04/2008 |
| 7093839 | Hockey stop multi-line roller skate and wheels for use therewith A wheel with an asymmetrical cross-section for use with a roller skate. The wheel also has a tread portion that can be easily and inexpensively replaced. An apparatus for multi-line roller skates that has two or three lines of wheels. The wheels in the center line h... | 08/22/2006 |
| 7063335 | In-line roller skate An in-line roller skate is disclosed to include a frame with a curved lower portion, which supports a point stop at the front end followed by a ball support, a string of rotating rollers and a tail ball support. The point stop is preferably another roller fixed in p... | 06/20/2006 |
| 6899344 | Multidirectional roller skate device and method of using A multidirectional roller skate device and an associated method of using the device is disclosed. The device includes a foot platform having a plurality of rolling units attached to the bottom of the foot platform. The foot platform may be either a boot for use as a... | 05/31/2005 |
| 6491308 | Roller skate A roller skate which includes a frame, a structure for fixing the frame to a person's foot, and at least two balls, which are freely rotatably supported by concave rollers. Axes of rotation of the rollers extend in a horizontal direction, transversely to ... | 12/10/2002 |
| 6398232 | Contoured roller skate for extreme skating A roller skate which includes specially shaped front and back wheels which allow the skate to operate on flat ground and over pipes or rails. The skater is able to perform stunts and maneuvers involving pipes or rails of different diameters due to the fro... | 06/04/2002 |
| 6293565 | Roller hockey goalie skate A skate assembly that allows a skater forward/backward motion as well as side-to-side motion is provided. Various aspects of the skate assembly can be adjusted to fit the size and weight of the skater, the skill level of the skater, the skating or playing... | 09/25/2001 |
| 6065762 | Multidirectional in-line roller skate A multidirectional in-line roller skate (12) comprising a boot (14) to receive a foot of a skater (16). The boot (14) has a sole (18). A frame (20) is provided. A facility (22) is for securing the frame (20) to a bottom surface of the sole (18) of the boo... | 05/23/2000 |
| 5791665 | Roller skate with brake A roller skate of the in-line wheel type having spherically shaped wheels and wherein the toe and heel wheels are disposed at a higher elevation than the interior wheels. The interior wheels are pivotally mounted so the skater's boot can pivot to maintain... | 08/11/1998 |
| 5590890 | Roller skate An improved roller skate includes a shoe portion, front and rear wheels, and a bracket coupling the wheels to the shoe portion. The have a "generally" spherical shape which allows the skater to maintain a rolling surface of each wheel on the floor or grou... | 01/07/1997 |
| 5549331 | Inline skateboard An inline skateboard comprised of a board body, a pair of downwardly depending mounting rails integrally formed and smoothly merging from the bottom surface of the board body along a medial position thereof, a plurality of mounting shafts extending transv... | 08/27/1996 |
| 5207454 | In-line roller skate with ball rollers An in-line roller skate includes a frame having a pair of parallel, spaced side rails. At least one and, preferably, a plurality of ball rollers are mounted in the frame between the forward and rearward ends of the frame. Each ball roller is mounted to th... | 05/04/1993 |
| 4572529 | Roller skate A roller skate construction including two pairs of spherical rollers generally supporting a skate frame proximal the toe and ball of the skater's foot, and a conventional pair of skate wheels supporting the heel region of the skate frame. The intermediate... | 02/25/1986 |
| 4294456 | Pivotable ball skate A foot-mounted roller skate includes front and rear roller assemblies pivotable about upright axes. The rollers are hemispherical in shape and resilient pads are positioned on opposite sides of the roller support brackets to restrain the pivoting of the r... | 10/13/1981 |
| 4225147 | Vehicles A vehicle which rolls over the terrain to be traversed on rotatable balls rather than wheels, the vehicle having a support structure slung between the front and rear balls so that its lowest point of support for a rider of the vehicle is below the plane c... | 09/30/1980 |
| 4034995 | Tandem wheeled roller skate having spheroidal rollers A novel roller skating device includes the combination of a boot having the general appearance of an ice skate boot, including a rear section adjacent the region of the tibia extending beyond the region of the Achilles tendon. The rear section extends alo... | 07/12/1977 |
| 3936061 | Roller skate A roller skate, of the type of two-rollers, wherein two substantially spherical rotary elements are rotatably mounted on a support or chassis along its longitudinal axis, to give the feeling of ice skating to users.... | 02/03/1976 |
