Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7367637 | Endless track for high speed multi-terrain vehicles The track design for use with a tracked vehicle includes a cantilever cut made down into the outward side of each tread just outboard of the position where the inside of the track contacts the outboard edge of the tread of the outer wheel of each pair of track-suppo... | 05/06/2008 |
| 7357201 | Kit for converting vehicle to tracked driven snow vehicle The invention is a conversion kit for converting a conventional two-wheeled vehicle, such as a bicycle or motorcycle, into a tracked vehicle for use on snow, mud and sand. The kit converts the vehicle without major modifications to the vehicle, and the vehicle may b... | 04/15/2008 |
| 7347512 | Powder snow track for snowmobile The present invention provides an endless track belt allowing an enhanced traction of a tracked vehicle over a range of surface conditions, by providing tread on the ground-engaging surface having a top part and a bottom part, the top part being flexible, whereas th... | 03/25/2008 |
| 7159955 | Traction band and sprocket for vehicles This invention relates to an endless traction band that is used to propel band laying vehicles [i.e., vehicles which use endless traction bands rather than tires to contact the terrain over which they are driven, e.g., tractors, tanks, bulldozers, etc.]. A novel spr... | 01/09/2007 |
| 7063396 | Endless track with various hardnesses for a recreational vehicle An endless track for a recreational vehicle, such as a snowmobile on all-terrain vehicle, is formed of an endless body made of rubber material having a ground engaging side and an inner side, the outer side displaying a series of longitudinally spaced profiles exten... | 06/20/2006 |
| 7048344 | Endless track for a track-propelled vehicle The ground engaging outer side of an endless track of a track-propelled vehicle displays a series of longitudinally spaced profiles which are defined by a central portion and two opposite lateral portions; the rubber material of the lateral portions of the body has ... | 05/23/2006 |
| 6976742 | Drive sprocket for a tracked vehicle A snowmobile is propelled by an endless track that is operatively connected to the snowmobile's engine by two drive sprockets. Each drive sprocket includes one set of external teeth and two sets of internal teeth that engage three corresponding sets of track teeth f... | 12/20/2005 |
| 6964462 | Rubber crawler A rubber crawler includes parallel embedded tensile strength bodies, with each of tensile strength bodies being connected by butt portions. The butt portions of adjacent tensile strength bodies are longitudinally shifted relative to one another in a circumferential ... | 11/15/2005 |
| 6942305 | Elastic crawler An elastic crawler having a crawler body formed of a rubber elastic material into an endless belt so that rollers rotatively move on right and left side regions in an inner surface of the crawler body is provided with a reinforcement rising in a thickness direction ... | 09/13/2005 |
| 6746090 | Track with clips in a non-sequential arrangement The endless track is made of a reinforced rubber material with longitudinally spaced and transversely disposed stiffeners embedded in the rubber material. The body defines a central band portion and opposite lateral band portions that are located on the sides of the... | 06/08/2004 |
| 6626258 | Snow vehicle A motor driven or pedal powered snow vehicle designed to emulate the steering and balancing characteristics of motorcycles and bicycles. The snow vehicle includes a frame, a swing arm, a track carriage, an endless loop track, a snow compacting ramp, an el... | 09/30/2003 |
| 6609771 | Long track mountain snowmobile and a track therefor A novel mountain snowmobile comprises a frame, an engine disposed on the frame, at least one ski disposed on the frame, a seat disposed on the frame, a steering device disposed on the frame forward of the seat that is operatively connected to the at least... | 08/26/2003 |
| 6505895 | Clip for snowmobile track A clip for use on a track of a snowmobile of the type having a suspension system equipped with one or more elongated slide runners, the track consisting of an endless body having an outer face with transverse ground engaging profiles spaced longitudinally... | 01/14/2003 |
| 6494548 | Snowmobile track belt The invention relates to a snowmobile endless track belt of the type having a body made of an elastomeric material, an outer surface for contact with the ground and an inner surface provided with lugs for engagement with the snowmobile driving system and ... | 12/17/2002 |
| 6431666 | Snowmobile track with heat transfer clips Metallic clips are provided on the endless track of a snowmobile equipped with one or more elongated slide runners forming part of its suspension system. The clips are formed with a first portion adapted to be slidably and frictionally contacted by the sl... | 08/13/2002 |
| 6422665 | Snowmobile track with heat transfer clips The present invention concerns the provision of metallic clips mounted on the endless track of a snowmobile equipped with one or more elongated slide runners forming part of its suspension system. The clips are so formed that a first portion thereof is sl... | 07/23/2002 |
| 6354677 | Bearing for snowmobile track A bearing for use with a snowmobile track is disclosed. The bearing includes an axle surrounded by a sleeve which is free to rotate when the snowmobile track is driven by the machine. The rails of the suspension systems of the snowmobile ride on the rolli... | 03/12/2002 |
| 6131833 | Tracked drive tower for a self-propelled irrigation system A drive tower for a self-propelled irrigation system is described which is of the track type. The drive tower includes an elongated frame having opposite ends. A drive pulley is mounted at one end of the frame while a tail pulley is mounted at the other e... | 10/17/2000 |
| 5814167 | Stamped-metal clip for use with an endless track belt cooperating with slide rails The stamped-metal clip is suitable for use with an endless track belt cooperating with slide rails. The clip comprises a main portion having a hardened bearing surface to be engaged against at least one of the slide rails. The bearing surface has a hardne... | 09/29/1998 |
| 5755495 | Bearing for snowmobile track A bearing for use with a snowmobile track is disclosed. The bearing includes an axle surrounded by a sleeve which is free to rotate when the snowmobile track is driven by the machine. The rails of the suspension systems of the snowmobile ride on the rolli... | 05/26/1998 |
| 5730510 | Snowmobile drive track with noise reducing tread pattern A snowmobile drive track includes an endless body having a ground engaging outer side on which is displayed, on every three successive crossbar receiving areas, a tread pattern which is repeated over the entire outer side. This profile configuration allow... | 03/24/1998 |
| 5722745 | Track-belt for track driven vehicles The invention relates to an improvement in an endless track belt of the type comprising, a body made of an elastomeric material, an outer surface for contact with the ground and an inner surface provided with lugs or openings for engagement with driving s... | 03/03/1998 |
| 5713645 | Snowmobile track profile A snowmobile track comprises an endless belt of reinforced rubber composition and includes on its exterior surface an array of projecting ribs which form traction elements for engaging the snow surface. The ribs have a height of between 11/4 and 2 inches ... | 02/03/1998 |
| 5586614 | Snow vehicle A slide rail structure for a snow vehicle includes a main slide rail disposed at the middle of a crawler belt with respect to the width of the crawler belt. A pair of side slide rails are disposed near the opposite side ends, respectively, of the crawler ... | 12/24/1996 |
| 5474146 | Snow vehicle A snow vehicle of the saddle-riding type utilizes essentially the same upper structure as a motorcycle but mounts a ski on the front fork for steering and an engine-driven endless belt track assembly for powering the device. The endless belt track assembl... | 12/12/1995 |
| 5415470 | Clip for snowmobile track and snowmobile track provided with the same A clip and a guide clip for snowmobile track of the type having to cooperate with a snowmobile slide suspension, the clip being obtained from a single sheet of metal and comprising a main portion having a bearing surface against which a corresponding slid... | 05/16/1995 |
| 5174638 | Track belt for snowmobiles A track belt for snowmobiles equipped with metal guide clips that are disposed on the outer peripheral of reinforcing rods crossing the gaps between belt sections through a rubber layer. Each guide clip includes a main guide portion for guiding the lower ... | 12/29/1992 |
| 4991911 | Track cleat A guide clip for a snowmobile track belt is fabricated from sheet steel and has a body with downwardly extending limbs that define a profile of inverted U-shape, with an integral guide lug projecting upwardly from one end of the body. The guide lug extend... | 02/12/1991 |
| 4546842 | Slide rail track drive system for a snowmobile A snowmobile track drive system wherein the track drive sprockets and idler wheels are mounted to a hollow framed enclosure interior to the track. Slide rails are also mounted to the edges of the enclosure and about which the endless track revolves. The h... | 10/15/1985 |
| 4474414 | Track belt for snowmobiles and method of producing the same A track belt for snowmobiles having a plurality of guide clips attached to such portions of the inner peripheral surface of the track belt which face suspension rails of the snowmobile, at predetermined intervals in the circumferential direction of the tr... | 10/02/1984 |
| 4217006 | Drive belt assembly for snowmobiles A track or drive belt assembly primarily for use with snowmobiles. The drive belt assembly includes a unitarily formed, continuous or endless, flexible drive belt having an inner side and an outer ground engaging side. The unitary drive belt assembly incl... | 08/12/1980 |
| 4023865 | Staple cleat for snowmobile track In snowmobile tracks of the endless, internally driven type, high friction because of direct contact between the track and the slide elements of the slide suspension system caused deterioration and subsequent failure of the track. This invention provides ... | 05/17/1977 |
