Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7201387 | Telescoping skateboard A telescoping skateboard having a telescoping member, a toe positioning location on one end of the telescoping member and a heel platform at the other end of the telescoping member. A front wheel assembly is attached to the front of the telescoping member and a rear... | 04/10/2007 |
| 7147235 | Wheeled footboard sport conveyance A steerable wheeled sport conveyance is disclosed employing a unique diamond shaped footprint especially adapted for riding at relatively high speeds over various types of terrain. A first set of singular in-line steering wheels are rotatably mounted on the opposing... | 12/12/2006 |
| 7121561 | Roller skate and wheel trucks therefor A roller skate having enhanced steerability and stability is disclosed. The skate includes a platform for supporting a skater's foot and front and rear wheel trucks secured to the underside of the platform. A pair of front wheels is rotatably mounted in transverse a... | 10/17/2006 |
| 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 |
| 7073799 | Asymmetrically steering rolling device The two skates steered by leaning sideways normally curve along circles of similar curvature. As the two circles are offset by the legs' distance they intersect. In order to avoid this disadvantage it is desirable that the outer leg's curved track has a larger radiu... | 07/11/2006 |
| 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 |
| 7059613 | Personal transportation device for supporting a user's foot having multiple transportation attachments A personal transport device including a transportation attachment, a foot platform situated above the transportation attachment and at least one fastener connecting the foot platform to the transportation attachment. The foot platform has two parallel extending surf... | 06/13/2006 |
| 6902173 | Frame for a skate, and a skate having such frame A frame for a skate, and a skate having a frame, the frame including a lower longitudinally elongated member for supporting the wheels of the skate, a housing at opposite ends of the elongated member, each housing demarcated by a pair of lateral walls between which ... | 06/07/2005 |
| 6719304 | Roller skate A roller skate has a frame formed of a short length of sturdy, generally rectangular channel material having two opposed side walls and a sole plate or floor extending therebetween. A large diameter wheel is secured to each end of each side wall, to define a widely ... | 04/13/2004 |
| 6435524 | In-line-roller-skate interchangeable independent suspension, removable boot and a chassis supporting multiple brake systems An in-line roller skate in accordance with this present invention includes at least four integral independent suspension system aligned under the chassis platform having all forks axles pivotally in forward motion and opposite direction from each other. T... | 08/20/2002 |
| 6047973 | In-line skate brakes Brake assemblies for in-line roller skates utilize a brake pad and a support member having portions extending forward of the front wheel. The brake support may fasten to the forward portion of the skate side rail by two bolts substituted for two of the sk... | 04/11/2000 |
| 6019378 | Inline roller skate and wheel construction Each wheel of an inline roller skate incorporates multiple tires, with a center tire allowing straight-ahead skating and the two side tires allowing maneuvering forces. Leaning the skate such that none of the tires makes good contact with the skating surf... | 02/01/2000 |
| 5785326 | Structure for brake on roller skates An improved structure of a brake on roller skates for improving the braking effect, having a braking set seat, a braking pad, a spring and an adjustable positioning rod, a guide member is provided extending down and rearwardly from the braking set seat to... | 07/28/1998 |
| 5758884 | Roller blade toe brake A roller skate toe brake includes a generally flat pedal inside the toe portion of shoes adaptable to in line roller skates. The pedal is hinged to the shoe and is movably connected to a brake pad located over one of the rollers. The pedal and brake pad a... | 06/02/1998 |
| 5527049 | Digger for in-line roller skate A stabilizing or digger accessory for in-line skates is provided which is adapted to assist roller hockey goaltenders by permitting them to stabilize themselves in a stationary position in goal so that they may react laterally to incoming shots on goal. T... | 06/18/1996 |
| 5494304 | Variable geometry roller skates Each roller skate includes front and rear pairs of wheels longitudinally spaced from one another and carried by a frame for rotation about longitudinally spaced axes in a first configuration of the roller skate. A parallelogram linkage connects the wheels... | 02/27/1996 |
| 5472218 | In-line wheeled skate and toe stop An in-line wheeled skate includes a boot, a chassis attached beneath the boot, a plurality of wheels mounted thereupon and arranged in tandem, and a toe stop. The toe stop is fixedly mounted at the front of the chassis and defines a toe stop surface havin... | 12/05/1995 |
| 5160155 | Skateboard having two wheels in tandem Skateboard comprising a board (13, 14) mounted only on two wheels (4, 9) positioned in tandem, one at the front and the other at the rear, with a means suitable for providing steering, characterized in that the rear wheel (4) is fixed in direction while the fr... | 11/03/1992 |
| 5127672 | Hopping roller skate or ski A hopping roller skate comprises a hopping shoe, which comprises a shoe and a pair of coil springs with or without an elastic base plate, combined with a fixed or releasable roller skate body, and is used for the training of skiing or cross-country skiing... | 07/07/1992 |
| 5029882 | Roller skates A pair of roller skates each containing a shock-absorption device and an additional rear braking device. Each roller skate contains a member (2) which is fixed on the lower surface of the skate plate (3) and which is provided at both ends with removable p... | 07/09/1991 |
| 4966377 | Roller skate A roller skate includes at least one front roller, a middle roller longitudinally aligned with the front roller, and a pair of rear rollers. The lowest point of the front roller is substantially higher than the middle roller and the pair of rear rollers t... | 10/30/1990 |
| 4941670 | Ride-on device for transportation and stunt riding A lightweight, easily stored, portable, strong, ride-on-device (1) for transportation and stunt riding. The device is usable on a supporting surface and includes a V-shaped frame (2) on which is mounted an upper and lower body stabilization and support. A... | 07/17/1990 |
| 4834407 | Pyrotechnic device for a skateboard A pyrotechnic device is disclosed which mounts to the underside of a skateboard. When frictionally engaged with an abrasive surface traveled by the skateboard, the pyrotechnic device emits sparks so as to accentuate stunts being performed by the user.... | 05/30/1989 |
| 4817974 | Skates and skate boards A roller skate or skate board construction where a base member has a pair of rearward wheels. An auxiliary wheel member is located above the ground and rearwardly of the rear wheels to provide a "third wheel" support upon tilting of the base member. The "... | 04/04/1989 |
| 4709937 | Two-wheeled combination roller skate-ski A two-wheeled combination roller skate-ski includes a base with safety straps and front brake, two wheels, a transverse frame and a longitudinal frame. A player may select to use either the transverse frame or longitudinal frame to mount the wheels outwar... | 12/01/1987 |
| 4666168 | Roller skate apparatus An improved roller skate apparatus is disclosed and preferably includes a bifurcated truck assembly that is interlockingly and removably attached to a sole plate, as well as a quick-change wheel and axle apparatus. At least in a two-wheeled version of the... | 05/19/1987 |
| 4570955 | Roller skate assembly with an interchangeable body An improved roller skate assembly with an interchangeable body is disclosed which comprises a roller skate, a roller skate boot, a plate positioned between the boot and the roller skate, and an interchangeable body. The plate is secured to the boot and th... | 02/18/1986 |
| 4386794 | Skating velocipede apparatus A skating velocipede apparatus to facilitate skating propulsion of a skater along a smooth, hard underlying ground surface while in a seated position taking the form of a longitudinal support member having wheels at the rear, a handle at the front end, a ... | 06/07/1983 |
| 4379564 | Roller skate A roller skate having improved means for holding a shoe to a roller skate, the means including a flat plate member provided with a plurality of slots on opposed sides thereof for receiving a belt or strap therethrough wherein the belt or strap securely ho... | 04/12/1983 |
| 4345774 | Roller skate apparatus An improved construction for roller skate apparatus is provided in which enhanced safety, performance, convenience and economy are achieved through the employment of a universal type of skate plate in conjunction with a correlated configuration for wheel ... | 08/24/1982 |
| 4328627 | Adjustable skating shoe A skating shoe including a rigid structural member embedded within the sole of the shoe which permits the selective mounting of one or more wheel truck assemblies throughout the length of the shoe. The embedded beam design provides a rigid soled skate sho... | 05/11/1982 |
| 4323258 | Convertible coaster having runners or wheels An operator or gravity propelled steerable coaster vehicle has a platform upon which the operator may either sit or stand while controlling the direction and speed of the vehicle. The vehicle may be supported by wheels or runners and has brakes for engagi... | 04/06/1982 |
| 4319759 | Toe stop and roller skate combination A roller skate and toe stop combination made from a metal skate plate having a front section with a downwardly inclined lower surface and a toe stop mounted on such front section and protruding downwardly from such section, wherein securing means extend b... | 03/16/1982 |
| 4314707 | Toe guard for roller skates An abrasion resistant covering for the toe portion of the shoe of a shoe-type roller skate, secured to the skate toe stop, with non-turning assembly, and securable to the laces of the shoe.... | 02/09/1982 |
| 4305598 | Speed skate plate A speed skate plate having an elongate plastic member with means for securing a shoe on the top of the member and having axle anchors at the bottom of the plate, at the front and rear ends thereof. Each anchor is secured to the plate by means of a resilie... | 12/15/1981 |
| 4298209 | Detachable roller skate with rear brake Roller skate adapted to be removably attached to a shoe or boot. The skate includes a toe clip and a releasable rear binding which enable the skate to be quickly and easily attached to and removed from the shoe. A rearwardly projecting brake provides mean... | 11/03/1981 |
| 4295655 | Roller skating shoe Rolling skating shoe with injection molded sole in which receptacles are provided that support the wheel hangers and wheels. The sole shown has a structural beam "T" profile, the flange of which supports the foot and the lower rib of which has an irregula... | 10/20/1981 |
| 4294455 | Roller skate construction A roller skate construction including an elongated cast plastic body member having a hollow extending substantially throughout the length thereof and including front and rear axle supporting portions having bores therein with the sides of the bores being ... | 10/13/1981 |
| 4240132 | Roller skate light assembly A light assembly is provided for securement to a roller skate without requiring any alterations in the structure of the skate itself. The light assembly includes a supporting disc member having an integrally formed strip portion curved into a cradle for s... | 12/16/1980 |
| 4199165 | Skateboard skid accessory A skid accessory for skateboards adapted to be mounted at the end of the board between the wheel supporting trucks and the end of the board to protect the board from engagement with the ground and to act as a braking device by frictional engagement with t... | 04/22/1980 |
