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| Number | Title | Issue Date |
| 7407167 | Roller skate shoe with roller assembly A roller skate shoe has cavities, closing members and roller assemblies. A sole of the shoe is formed with the cavities. Two sides of each cavity are formed with notched slots. The closing member is accommodated in the cavity. The closing member has a closing side f... | 08/05/2008 |
| 7364170 | Wheel ski mount A wheeled cart, such as a shopping cart, has ski elements on the wheels thereof. The ski elements can be moved between stored and use positions. ... | 04/29/2008 |
| 7311317 | Snowmobile runner and method of manufacture A traction runner for a snow ski is fabricated of a lightweight metal such as aluminum and is formed on its upper surface with a channel in which mounting members are fixed. A channel is formed also in the lower surface and a carbide wear strip is brazed through ind... | 12/25/2007 |
| 7255195 | Steering device for snowmobile An adjustable ski track width mechanism allows adjusting the ski track between a narrow ski track width and a wide ski track width. The adjustable ski track width mechanism includes a steering mechanism that provides correct steering geometry and corresponding steer... | 08/14/2007 |
| 7121560 | Ski assembly for a stroller A ski assembly for a stroller for allowing more proficient movement through snow includes a ski attachment for a stroller assembly having a chair portion, a back portion, a plurality of wheels is attached to the chair portion. The attachment includes a leg having an... | 10/17/2006 |
| 7104176 | Mineplough A mineplough which is designed to be resilient to exploding mines comprises one or more blades set at an angle to the general direction of movement of the plough so as to deflect lifted earth to one or both sides of the plough and having tines arranged so as to lift... | 09/12/2006 |
| 7040634 | Snowskateboard A snowskateboard includes a support deck having an upper side and a lower side opposite the upper side. First and second trucks are mounted to the lower side. The trucks include rotatable yokes having axles. A set of first runners is disposed over the first yoke axl... | 05/09/2006 |
| 7021636 | Convertible coaster/sled with steering/braking handlebar A typically one-rider non-powered sports/recreational vehicle has a main body that can be easily converted between a wheeled coaster-wagon configuration and a snow-sled configuration with runners. Typically there are four wheels or four runners: two at front, steera... | 04/04/2006 |
| 7017869 | Tilting support device having damping device A tilting support device includes a base rotatably secured to the lower portion of the golf bag, one or more legs rotatably secured to the upper portion of the golf bag and rotatable between an open position and a folding position, and a spring member coupled betwee... | 03/28/2006 |
| 6981705 | Ski apparatus for transporting cargo An apparatus for transporting cargo over snowy and icy surfaces includes a plurality of elongate ski members and a plurality of clamping members connected to the respective top surfaces of the plurality of ski members. The plurality of clamping members are movable b... | 01/03/2006 |
| 6926293 | Load transport assembly A load transport assembly for transporting loads across a sand surface includes a panel that has a peripheral edge that includes a front end, a first side, a second side and a back end. A peripheral wall is attached to and extends upwardly from the peripheral edge. ... | 08/09/2005 |
| 6824148 | Conversion sled for stroller wheels A conversion sled for stroller wheels including a sled portion comprised of an arcuate ski rotatably coupled with the bifurcated bracket of the stroller frame in a spaced relationship with respect to the stroller wheel. A number of sled portions corresponds with a n... | 11/30/2004 |
| 6708989 | Auxiliary skis The new skis for converting a wheeled push vehicle into a slidable push vehicle have a front anchor on their upper surfaces at a location proximate to the toe end and a rear anchor on their upper surfaces at a location proximate to the heel end. A flexible front har... | 03/23/2004 |
| 6682082 | Removable bidirectional skis for trailers and the like A wide ski-like apparatus is provided that can be easily and quickly attached to the axle, or axles, of the larger sized icehouses and trailers in common use today. This is accomplished by the use of a ski-like apparatus that is attached to a wheel rim th... | 01/27/2004 |
| 6511079 | Convertible snow cycle/bicycle apparatus A convertible snow cycle/bicycle apparatus for providing a vehicle which can be used all year long. The convertible snow cycle/bicycle apparatus includes a frame including a front portion and a rear portion; and also includes a steering assembly being att... | 01/28/2003 |
| 6279923 | Personal winter vehicle A personal winter vehicle has a frame which includes a front portion and a rear portion. Preferably, the front and rear portions of the frame can flex with respect to each other. An operator-controlled motivator for generating torque, such as a pedal cran... | 08/28/2001 |
| 5653456 | Ski system for ice fishing shanties A ski system for ice fishing shanties is composed of at least two ski members and a plurality of mounting brackets connected with the underside of the floor of the ice fishing shanty which engage the ski members in a selectively removable manner. Each ski... | 08/05/1997 |
| 5620191 | Multiple purpose sled A sled for moving a plurality of objects, such as beach equipment, over varied terrain having soft and hard surfaces such as sand, mud, snow, concrete, brick, cobblestone and asphalt. Advantageously, the sled is adapted to serve as a table, and is provide... | 04/15/1997 |
| 5427390 | Ski attachment for a wheeled vehicle A ski attachment for operatively mounting onto one wheel of a wheeled vehicle, typically an unpowered wheeled vehicle such as a baby carriage or wagon, is disclosed. The wheel has an annular tire portion and a thinner centrally disposed hub portion. The s... | 06/27/1995 |
| 5413361 | Ski-rail for a wagon A ski-rail is provided for a wagon having a side rail with a lip and four wheels, which consists of an assembly for forming a segmented railing, which is assembled onto and about the lip on the side rail of the wagon, to help keep a child in the wagon whe... | 05/09/1995 |
| 5082307 | Mini boat/camping trailer A towed vehicle comprises a longitudinal frame having front and rear portions; a hitch for securing the front portion to a towing vehicle; a first member disposed transversely across an intermediate portion of the frame adjacent the rear portion and secur... | 01/21/1992 |
| 4832357 | Rocker apparatus for use on a wheelchair A rocker apparatus for use on a wheelchair is illustrated as including arcuate members carried on opposed sides of an unobstructed base, a means for securing the wheelchair to the base, a trough for accommodating large rear wheels of the wheelchair to pre... | 05/23/1989 |
| 4805934 | Slip-on attachment for skateboards A slip-on attachment apparatus (10) for the conventional wheels (100) of a typical skateboard device (101) wherein the attachment apparatus (10) comprises a plurality of attachment members (11) including a generally elongated hollow cylindrical housing (1... | 02/21/1989 |
| 4778190 | Removable ski attachment for a wheeled vehicle A ski attachment for pivotal attachment to the axle or transverse rod-like member of a wheeled vehicle which comprises at least one ski having an elongated runner with an upturned front tip, an upstanding pedestal mounting on said elongated runner behind ... | 10/18/1988 |
| 4577876 | Ski attachment for vehicle wheels A ski attachment for a free-turning vehicle wheel consisting of one or more skis, rigidly joined if more than one, adapted to be placed beneath the wheel in line therewith, a cradle carried on the top of the ski, to the rear of center thereof, and configu... | 03/25/1986 |
| 4479657 | Stroller skis The skis are intended to convert a stroller temporarily into a sled. Each ski is at least as long as the distance between the front and rear edges of the wheels on one side of the stroller and comprises a flat runner having at least one, preferably both e... | 10/30/1984 |
| 4360210 | Wheel glide A wheel glide removably mountable to a wheel. A pair of rigid runners are hinged together to allow the positioning of a wheel atop one of the runners with the remaining runner extending upwardly partially around the wheel. A plurality of clamps fixedly mo... | 11/23/1982 |
| 4291891 | Convertible sled A convertible sled is disclosed for use on snow as well as surfaces devoid of snow. The sled comprises a pair of runners rigidly secured to the underside of the sled and three pivotal wheels. The first, front wheel is secured to a rotatable rod extending ... | 09/29/1981 |
| 4194753 | Ski-shoe-attachment apparatus for skateboards A ski-shoe-attachment apparatus adapted to be mounted to a conventional skateboard having associated skate trucks and wheels, whereby each wheel thereof has a ski shoe removably mounted thereto, and wherein each ski shoe comprises a substantially flat car... | 03/25/1980 |
| 4161323 | Snow ski board apparatus Snow ski apparatus that can be removably attached to a standard roller skate board or form part of a roller skate board arrangement. The apparatus includes a fore ski section and a rear ski section in longitudinal alignment to be connected respectively to... | 07/17/1979 |
| 4116455 | Skateboard ski A skateboard ski apparatus wherein a skateboard platform and related skate trucks are combined with removable ski shoes, the ski shoe having a substantially flat body member provided on its lower surface with parallel runners, and on its upper surface wit... | 09/26/1978 |
