Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7641007 | Dynamic blade distance ratio system and method The blade ratio of an articulated work vehicle with multiple tracks is adjusted by shifting a load from the weight of the vehicle toward the front or rear of one or more of the tracks. The load may be shifted through the actuation of a hydraulic cylinder that applie... | 01/05/2010 |
| 7503412 | Concrete machine Concrete machine which is mainly composed of a chassis and of caterpillar drives, upon which the chassis is provided via arms, which arms can be adjusted in height, characterized in that the concrete machine is provided with a system for adjusting the chassis in hei... | 03/17/2009 |
| 7438143 | Track-mounted drilling machine with active suspension system A drilling machine includes a frame, a tower that is supported by the frame, two tracks for movement over the ground, at least four yokes that interconnect the frame and the two tracks, a plurality of hydraulic cylinders, a plurality of sensors, and a controller. Th... | 10/21/2008 |
| 7395890 | Snowmobile track suspension A rear track suspension for a snowmobile having a single resilient element for biasing both the front and rear arms. The slide rail is permitted to pitch between first and second pitching constraints in response to terrain obstacles in a gradual manner as the motion... | 07/08/2008 |
| 7363994 | Wheeled platforms A wheeled platform 100 is disclosed, which is characterized by high mobility and reliability, and which can be used in a wide range of applications including transport and robotic devices. The wheeled platform 100 has fore and aft body portions 130,... | 04/29/2008 |
| 7325634 | Track-mounted drilling machine with active suspension system A drilling machine includes a frame, two tracks, and a plurality of yokes interconnecting the frame and the tracks. Each yoke is pivotable with respect to the frame by the extension and retraction of a hydraulic cylinder. Each of a plurality of sensors senses a para... | 02/05/2008 |
| 7278506 | Snow vehicle suspension system A vehicle comprises a frame and a slide rail pivotally coupled to the frame. A spring member urges the slide rail in a direction away from the frame. The spring member has a first portion mounted to the frame and a second portion supported on the slide rail at a fir... | 10/09/2007 |
| 7275751 | Wear bar for snow machine ski A wear bar assembly is disclosed for aiding in the steering of a snow machine. The assembly may include a wear bar for attachment to a bottom of a snow machine ski and one or more hardened inserts, each insert extending outward from the bottom of the wear bar. The o... | 10/02/2007 |
| 7252347 | Belt over mid-rollers A wheel structure driven by an endless track belt tensioned around a drive wheel and an idler wheel thereof, comprising a plurality of supporting mid-roller wheels provided between the drive wheel and the idler wheel, a second endless belt being tensioned around thi... | 08/07/2007 |
| 7237631 | Vertical idler adjuster for track type work machine A work machine, and a work machine idler mounting assembly is provided, including a frame, a mounting member proximate an end of the frame, an idler support block adjacent the mounting member. At least one removeable spacer is positionable between the idler support ... | 07/03/2007 |
| 7226137 | Stop pin for track tension assembly A track tensioning assembly for a track laying vehicle. The track tensioning assembly includes an idler plate assembly coupled to a hydraulic actuator at a first end and coupled to a front idler assembly at a second end. The hydraulic actuator is configured to apply... | 06/05/2007 |
| 7200981 | Support wheel arrangement for agricultural working machine, and agricultural working machine provided therewith A supporting arrangement for an agricultural working machine with at least one receiving device for receiving an agricultural working device has at least one support wheel arrangeable in a region facing the agricultural working device, the at least one support wheel... | 04/10/2007 |
| 7182414 | Undercarriage equipped with non-steel type rubber crawler using chain action The present invention relates to an undercarriage equipped with a coreless rubber crawler in a chain drive configuration, and more particularly, to a track system undercarriage for a skid loader in which an auxiliary axle and an auxiliary sprocket are provided to so... | 02/27/2007 |
| 7182165 | Snow cycle A snow cycle includes a conventional motorcycle chassis having a set of steerable front forks and a rear swing arm, which normally mount front and rear wheels of the cycle, respectively. A snow track module is mounted to the rear swing arm and has an endless track d... | 02/27/2007 |
| 7131651 | Chassis with height adjustable wheels for regulating orientation of a chassis member A chassis is described which is constructed of two lower side frames which at each end are provided with a wheel or caterpillar track. On each of the two lower side members, there is a horizontal bearing. Each of these bearings are connected to an upper vertical sid... | 11/07/2006 |
| 7066289 | Track support system for a crawler Mud and sand are prevented from entering between support-receiving members since both ends of the roller shaft are constructed so as to be held at both sides thereof when providing the upper roller on the travelling body frame secured in a civil engineering apparatu... | 06/27/2006 |
| 7051828 | Wheel mechanism for ski-equipped vehicles A wheel mechanism is adapted to move between a stored condition and a use condition on a snowmobile. The wheel mechanism is located adjacent to the front end of the vehicle so the ski runner elements on the front end of the vehicle can be lifted off the terrain when... | 05/30/2006 |
| 7004270 | Suspension apparatus of multi-axle vehicle A suspension apparatus of a multi-axle vehicle capable of realizing high traveling stability is provided. For this purpose, the suspension apparatus forms a quadric link structure (31) by a vehicle body (9), a front link (21) with an upper end p... | 02/28/2006 |
| 6971466 | Torque compensating rear undercarriage for track driven vehicles This torque compensating track drive is designed to provide track drive vehicles with an undercarriage that distributes the weight of the vehicle over the greatest possible area and also ensures that as much of the drive track is in contact with the surface as possi... | 12/06/2005 |
| 6968918 | Vehicle chassis having programmable operating characteristics and method for using same A vehicle includes a steering system, suspension system, braking system, and energy conversion system, wherein at least one of these systems is reprogrammable such that the vehicle's ride, response, or handling is selectively variable. The systems may be programmed ... | 11/29/2005 |
| 6962222 | Mobile agricultural machinery A mobile agricultural machine, particularly for use as a combine, which demonstrates improved operational movement and travel performance characteristics, and is capable of easily changing direction during operation, includes right and left travel crawlers, supporte... | 11/08/2005 |
| 6962359 | Arrangement for the suspension of wheels in a working machine An arrangement of the suspension of wheels of a working machine moving on a terrain. The arrangement comprises a pair of wheels arranged next to each other to support a frame part placed on a center line between the wheels suspensions between each wheel and the fram... | 11/08/2005 |
| 6796391 | Hydraulic clamping device for a variable gauge track vehicle A crawler running gear, particularly for a construction machine, having a central section and two crawler supports with in each case one crawler track. The crawler supports are arranged along a longitudinal direction on both longitudinal sides of the central section... | 09/28/2004 |
| 6761236 | Reversible rear axle mount An axle mount device for mounting an axle to a snowmobile track suspension frame has a base portion and an adjuster portion. The base portion has an axis and a bore coincident with the axis. The adjuster portion is secured to the base portion asymmetrically with res... | 07/13/2004 |
| 6609622 | Bulldozer/pipelayer combination A combination bulldozer and pipelayer includes a front mounted blade, or scoop, and a side mounted pipelayer attachment. When operated as a bulldozer, a pair of endless track roller frames are free to oscillate up and down about a horizontal axis passing ... | 08/26/2003 |
| 6595309 | Snowmobile suspension An extended movement rear suspension for a snowmobile. The suspension includes at least two elongated members of a substantially constant length coupled to the snowmobile frame and to an endless track guide rail assembly. The suspension configures the end... | 07/22/2003 |
| 6547345 | Track drive device for all terrain vehicle A track drive device for all terrain vehicle comprises a frame (14) able to be mounted on the side of a chassis (C) of a vehicle and carrying two main wheels (38, 42) and support wheels (40A, B, 40E) around which is wound a track (12). The frame (14) comp... | 04/15/2003 |
| 6478098 | Adjustable apparatus and kit for a coupled snowmobile suspension An apparatus as an after-market, upgrade kit constructed and arranged to be installed onto an coupled snowmobile suspension system that, when installed, provides for quick and easily accessible coupling adjustment. Specifically, the upgrade kit of the pre... | 11/12/2002 |
| 6401852 | Snowmobile suspension system To enable a rider to control in real time the type of ride he desires, a snowmobile is equipped with a suspension system that includes at least one fluid actuated device which can be adjusted in real time to control the relative distance between the body ... | 06/11/2002 |
| 6401847 | Vehicle track undercarriage adjustment system This invention includes an undercarriage support and adjustment system for a tracked vehicle having first and second elongated outwardly extending members coupled to the vehicle, a first undercarriage bearing support coupled to the vehicle between the fir... | 06/11/2002 |
| 6394204 | Crawler or tracked vehicle having pivotable tracks A crawler or tracked vehicle has a running gear with separately operable tracks, and a vehicle body pivotably connected to the running gear about a substantially horizontal pivot axis that allows the running gear to pivot relative to the vehicle body. The... | 05/28/2002 |
| 6351899 | Apparatus and method for snow grooming a terrain park or ski area slopes A vehicle for grooming a terrain of snow having a plurality of hydraulically driven rotary tiller units independently mounted for axial lateral movement relative to the plane of the rectangular main frame of the vehicle. Bogey track units support the vehi... | 03/05/2002 |
| 6253867 | Snowmobile suspension system To enable a rider to control in real time the type of ride he desires, a snowmobile is equipped with a suspension system that includes at least one fluid actuated device which can be adjusted in real time to control the relative distance between the body ... | 07/03/2001 |
| 6250409 | Multi-point mobility device A multi-point mobility device that is capable of navigating over rough terrain without difficulty, including snow, say and, and mud, and which is able to reconfigure the two belt track assemblies so as to minimize lateral friction by the belts with indoor... | 06/26/2001 |
| 6237706 | Vehicle suspension system with variable geometry A vehicle suspension system with a variable geometry. A moveable suspension arm is pivotally attached to a vehicle chassis. A biasing/dampening mechanism is operatively attached to the vehicle chassis at a first end. An actuator mechanism operatively conn... | 05/29/2001 |
| 6209669 | Track frame and suspension for sugar cane harvester A sugar cane harvester for harvesting two rows of cane stalks is equipped with a pair of endless track assemblies which each include a track frame suspended from the main frame of the harvester by a four-point suspension including tilt and elevation cylin... | 04/03/2001 |
| 6206124 | Adjustable rear suspension for a tracked vehicle An adjustable rear suspension system for a tracked vehicle comprises a slide frame for guiding a portion of the endless track, the slide frame having a pair of substantially parallel slide rails, the slide rails defining a longitudinal direction. The rear... | 03/27/2001 |
| 6145609 | Track vehicle pivot system The present invention comprises at least one cylinder, such as a hydraulic cylinder connected between a vehicle or machine upper structure frame and a dual track undercarriage which is used to shift the weight of a tracked vehicle so that the vehicle or m... | 11/14/2000 |
| 6089339 | Drive reconfiguration mechanism for tracked robotic vehicle Drive reconfiguration apparatus for changing the configuration of a drive unit with respect to a vehicle body may comprise a guide system associated with the vehicle body and the drive unit which allows the drive unit to rotate about a center of rotation ... | 07/18/2000 |
| 6062327 | Tracked-vehicle drive A tracked-vehicle drive has a wheel rotatably driven about an axis and having an outer surface, an endless traction element spanned over and frictionally engaging the wheel so as to be advanced thereby when the wheel rotates and having an inner face forme... | 05/16/2000 |
