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| Number | Title | Issue Date |
| 8042630 | Serpentine robotic crawler A serpentine robotic crawler capable of multiple movement moves is disclosed. The serpentine robotic crawler includes a plurality of frame units, coupled together by at least one actuated linkage. Each frame unit includes a continuous track, enabling forward movemen... | 10/25/2011 |
| 7950478 | Heavy capacity transporter having multiple track-axles A transporter having a plurality of track-axle assemblies. The track axle assemblies have independent suspension, self-loading, and on-center axle rotation capability. Each of the track axle assemblies include a cylinder housing and hydraulic piston and first and se... | 05/31/2011 |
| 7845440 | Serpentine robotic crawler A serpentine robotic crawler capable of multiple movement moves is disclosed. The serpentine robotic crawler includes a plurality of frame units, coupled together by at least one actuated linkage. Each frame unit includes a continuous track, enabling forward movemen... | 12/07/2010 |
| 7721831 | Construction machinery and pivoting device A construction machine (1) with a machine frame (2) and lifting columns (8) carrying crawler track units (4). The lifting columns (8) include consoles (10) coupled in pairs to the machine frame (2) by articulations ( | 05/25/2010 |
| 7503411 | Articulated dozer with frame structure for decreased height variation in the vehicle chassis An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there is a front or first A-frame and a rear or second A-frame. The A-frames... | 03/17/2009 |
| 7380892 | Track assembly with idler wheels and cart incorporating same A tread assembly has front and rear main idler wheels supported by a frame. A continuous tread is provided around the idler wheels for supporting a cart on a bottom portion of the tread between the front and rear main idler wheels. An assembly is provided to permit ... | 06/03/2008 |
| 7357595 | Pavement removal machine Portland Cement Concrete with steel reinforcement mats or rods used in airport runways, highways, and other objects need to have the cement broken up for recycling or disposal and the steel mat reused or the steel recycled. The pavement removal machine lifts the con... | 04/15/2008 |
| 7354222 | Belted asphalt compactor A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames,... | 04/08/2008 |
| 7343991 | Electrically driven track wheels for tracked vehicles An electrically driven wheel for a tracked vehicle which includes a driving track wheel with built in cogs and a brushless DC motor having a mounting shaft to connect the wheels to the tracked vehicle. The brushless DC motor is coupled within the driving track wheel... | 03/18/2008 |
| 7328760 | Semi tracked-type working vehicle A semicrawler-type working vehicle is provided having a vehicle body (3), a front steering control wheel (7) arranged at a front side of the vehicle body, a drive shaft (26) and a pivot shaft (22) arranged at a rear side of the vehicle bo... | 02/12/2008 |
| 7249641 | Crawler type traveling apparatus and pivot shaft The crawler type traveling apparatus 5 includes a pivot shaft 6 provided on a vehicle body having a hydraulic source in a protruding state, a track frame 51 rocking around and pivotably supported against this pivot shaft 6, a final reduct... | 07/31/2007 |
| 7204378 | Goods transshipment apparatus A goods transshipment apparatus having a mobile substructure with a superstructure mounted so as to be rotatable relative to said substructure and having a driver's cab and engine compartment and a jib or jib system jointed to the superstructure wherein the superstr... | 04/17/2007 |
| 7178682 | Traveling crane The invention pertains to a traveling crane consisting of a superstructure that can be turned about an upright axis and carries a crane jib with hoisting means, a truck with a tracklaying gear that carries the superstructure and a supporting device with several outr... | 02/20/2007 |
| 7086806 | Method for asphalt compaction and compaction apparatus A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,... | 08/08/2006 |
| 7017941 | Walking beam assembly A walking beam assembly includes a pair of axles in parallel spaced relation. At least one of the pair of axles being a drop axles having end portions and an intermediate portion that extends between the end portions. The intermediate portion drops down and has a se... | 03/28/2006 |
| 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 |
| 6957991 | Power train Power train or an amphibious vehicle having an engine, transmission, and transfer case position in-line with longitudinal vehicle axis towards the rear of the vehicle, with transmission output facing the front of the vehicle. The transfer drive drives the rear wheel... | 10/25/2005 |
| 6823953 | Crawler vehicle with oscillating track carriages A crawler vehicle has a frame extending along a longitudinal axis of the vehicle, and two lateral track carriages oscillating with respect to the frame about a rear transverse axis. Each carriage is connected to a front cross member by a respective connecting assemb... | 11/30/2004 |
| 6761235 | Machine frame assembly for a track-type machine A machine frame assembly is provided that includes a machine frame, a hollow pivot shaft attached to the machine frame and configured to support a drive assembly for a track-type machine to allow pivotal movement of the drive assembly relative to the machine frame, ... | 07/13/2004 |
| 6655482 | Drive assembly for a track-type machine A drive assembly is provided that includes a roller frame, a motor located on the roller frame, and a drive system located on the roller frame. The drive assembly may also include an endless track configured to be driven by the drive system and adaptable ... | 12/02/2003 |
| 6640915 | Vehicle A vehicle, which can be used in particular as an agricultural vehicle and/or for construction purposes, has a vehicle frame, a drive and an undercarriage. The undercarriage (4, 4a) includes on both sides wheels (12, 13) having tires, and/or chain wheels (... | 11/04/2003 |
| 6505694 | Recreational vehicle A recreational vehicle which has a body which may be configured for land use or as a boat haul, the vehicle also having a pair of non interconnected spaced apart front wheels, an endless track located rearwardly of an intermediate of the spaced apart fron... | 01/14/2003 |
| 6325167 | Structure of an electrical wheelchair An improved structure of a wheelchair includes a seat, a to-and-fro adjusting member, a left-and-right adjusting member, a bottom frame body, a wheel belt module, a vertical sensor, and a retractable leakage prevention cover, wherein the seat is provided ... | 12/04/2001 |
| 6286615 | Heavy vehicle for breaking up ground with retracting and steering rear wheels A machine for breaking up ground including, a frame supported by at least one pair of front wheels or tracks and by at least one pair of rear wheels or tracks. A driver's cab is made out of said frame and a means of breaking up the ground is connected to ... | 09/11/2001 |
| 6213490 | Work vehicle with nested steering An agricultural tractor with four ground contacting suspensions, two front and two rear disposed on opposite sides of the vehicle can be steered such that its front suspension lies behind its rear suspension. The front suspension can pivot about an articu... | 04/10/2001 |
| 6176334 | Adjustable track suspension A track suspension is disclosed including a track, a drive wheel engaged with the track, a wheel support, a drive wheel shaft rotationally engaged with the wheel and a drive wheel shaft support. The wheel support is adjustably securable to the drive wheel... | 01/23/2001 |
| 6132133 | Crawler type vibratory compacting machine A crawler type vibratory compacting machine of the invention compacts the ground from a surface layer to a deep layer with high efficiency. The crawler type vibratory compacting machine comprises: a triangular crawler unit which includes one wide track (3... | 10/17/2000 |
| 6116362 | Articulated vehicle Articulated track supported land vehicles having both structure to effect major steering changes and minor steering changes wherein the minor changes are enabled by track warping mechanisms that utilize linear motors to selectively orient the direction of... | 09/12/2000 |
| 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 |
| 6050355 | Modular crawler system A modular crawler system for moving heavy objects comprises multiple crawlers that can be controlled independently of each other. Each crawler has a pair of tracks that are controllable independently of each other to enable the crawler to travel in straig... | 04/18/2000 |
| 5927412 | Castering swing link for a track sub-assembly Track sub-assembly having a castering swing link for supporting a primary idler spindle, the swing link having an upper bore for accepting a first connecting pin and a lower bore for accepting a second connecting pin to define a pivot line, and an offset ... | 07/27/1999 |
| 5894901 | Endless track magnetic traveling device Magnets 1 are pressed against a vehicle body (side plates, a rotary shaft, a supporting beam 12 of springs 10, etc.), which travels on an endless track comprising the magnets 1, a chain 5, etc., by auxiliary wheels 9 having a plurality of springs 10 which... | 04/20/1999 |
| 5752587 | Auxiliary braking system An auxiliary braking system including a brake. A hydraulic arm is secured to a frame of the automobile. The hydraulic arm has a free end secured to the brake. The hydraulic arm has an up line and a down line extending outwardly therefrom. A pump is secure... | 05/19/1998 |
| 5673766 | Transmission and steering apparatus for a tracked vehicle A tracked vehicle including a frame. A front track is rotatably attached to front track mounting member(s) connected to the frame with suspension member(s) so as to be movable in a vertical direction in relation to the frame. A vertically extending tubula... | 10/07/1997 |
| 5456332 | Multiple-degree-of-freedom vehicle A multi-degree-of-freedom vehicle employs a compliant linkage to accommodate the need for a variation in the distance between drive wheels or drive systems which are independently steerable and drivable. The subject vehicle is provided with rotary encodes... | 10/10/1995 |
| 5297644 | Vehicle with tiltable propulsion units A transverse axis tubular hub (24) couples each propulsion unit (4) to the vehicle body (2), and supplies signals representative of the forces that it transmits. A tilt motor (22) of the propulsion unit bears on the hub to tilt the propulsion units about ... | 03/29/1994 |
| 5290201 | Combine with mmoveable body and tandem drive wheels An agricultural combine such as used in the harvesting of crops includes oscillating or fixed forward tandem drive wheels which are coupled to the combine's support frame, or undercarriage, to provide a smooth ride over rough fields and a more uniform cro... | 03/01/1994 |
| 5248008 | Self-traveling robotic vehicle with inclinable propulsion units A self-traveling robotic vehicle having inclinable tracklaying propulsion units for operating in a hostile environment. Each propulsion unit has a track, a built-in propulsion drive for driving the track, and a built-in inclination drive for inclining the... | 09/28/1993 |
| 5205612 | Transport apparatus and method of forming same Mining apparatus in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mining face. Th... | 04/27/1993 |
| 5191952 | Track-type vehicle having steerable wheels A track-type vehicle having first and second endless track assemblies and first and second steerable wheels includes a weight management apparatus including a measuring assembly for measuring the angle of steer of the steerable wheels, a hydraulic cylinde... | 03/09/1993 |
