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| Number | Title | Issue Date |
| 8172014 | Wheeled vehicle A vehicle steering means with a first front ground-engaging steerable wheel located in the front center of the vehicle; second and third front ground-engaging wheels located either side of the first front ground-engaging wheel with means for adjusting the steer angl... | 05/08/2012 |
| 7987932 | Heavy vehicle A heavy vehicle, such as a transport vehicle or a “civil engineering” vehicle, of a mass greater than 500 metric tons, fitted with tires of radial structure of a diameter greater than three meters fifty having an axial width greater than 37 inches, and comprisin... | 08/02/2011 |
| 7775307 | Power wheelchair A power wheelchair includes a frame, on which a pair of front wheel sets, a pair of middle wheel sets, a pair of rear wheel sets and a pair of elastic devices are provided. Each of the front wheel sets includes a front wheel mount having a first connection portion p... | 08/17/2010 |
| 7665556 | Heavy vehicle A heavy vehicle of a mass greater than 500 metric tons, such as a transport vehicle or a “civil engineering” vehicle, fitted with tires of radial structure of a diameter greater than three meters fifty having an axial width greater than 37 inches, and comprising... | 02/23/2010 |
| 7635038 | Heavy vehicle Presented is a heavy vehicle, such as a transport vehicle or civil engineering vehicle, of a mass greater than 500 metric tons configured to carry heavy loads and operable to generate a motive power. The vehicle includes tires of radial structure having a diameter g... | 12/22/2009 |
| 7448457 | Heavy vehicle A heavy vehicle of a mass greater than 40 metric tons and operable to generate a motive power is disclosed. The vehicle includes a first axle, at least two first tires mounted on the first axle, a second axle for transmitting at least part of the motive power, and f... | 11/11/2008 |
| 7413039 | Heavy vehicle Presented is a heavy vehicle, such as a transport vehicle or a civil engineering vehicle, of a mass greater than 500 metric tons. The vehicle is fitted with tires of radial structure having a diameter greater than 3.5 meters and an axial width greater than 37 inches... | 08/19/2008 |
| 7413038 | Anti-tip system for a power wheelchair An anti-tip system is provided for improving the stability of a powered vehicle, such as a powered wheelchair. The vehicle includes a drive-train assembly which is pivotally mounted to a main structural frame. A suspension system biases the drive-train assembly and ... | 08/19/2008 |
| 7389835 | Active anti-tip system for power wheelchairs A linkage arrangement for an active anti-tip system is provided for improving the stability of a powered vehicle, such as a powered wheelchair. The vehicle includes a drive-train assembly which is pivotally mounted to a main structural frame. A suspension system bia... | 06/24/2008 |
| 7370552 | Mechanism for controlling toe angle of vehicle wheels A power transfer system is constituted under a simple construction (a worm gear, transfer rod integrally installed with a worm sector gear, and lower control arm), thereby improving the efficiency of the power transfer of the toe-angle controlling mechanism for vehi... | 05/13/2008 |
| 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 |
| 7318628 | Multiple directional wheel A multiple directional wheel includes a frame having a central hub rotatable about a main axis, a plurality of roller supports radially spaced from the central hub, and a plurality of rollers evenly spaced around the circumference of the wheel and rotatably mounted ... | 01/15/2008 |
| 7316282 | Anti-tip system for wheelchairs An anti-tip system is adapted for use in a powered wheelchair for purposes of curb-climbing and ride stability. The anti-tip system includes at least one anti-tip wheel, a suspension arm for mounting the anti-tip wheel and a pair of links coupling the suspension arm... | 01/08/2008 |
| 7308946 | Method of cleaning hole diggers and spot cultivators and hole digger cleaning device A travelling rolling digger (1) for sequential hole drilling or for producing sequential cultivated spots in soil. The travelling rolling digger (1) includes at least one drilling shaft which is rotatable by a drive mechanism about a longitudinal shaft... | 12/18/2007 |
| 7293790 | Omni-directional toy vehicle The invention relates with the omni-directional toy vehicle that can move in all directions of forward, backward, rotational, left and right movement by driving manually the omni-directional wheels installed at the vehicle and combining their rotational directions. ... | 11/13/2007 |
| 7264315 | Wheel assembly and wheelchair A wheel assembly having multiple small rotatable wheels mounted laterally thereon whereby lateral movement as well as forward and backward movement is provided. A pair of the wheel assemblies are utilized on a hand-propelled wheelchair that can be moved laterally as... | 09/04/2007 |
| 7264272 | Bi-directional anti-tip system for powered wheelchairs A bi-directional anti-tip system for a wheelchair includes a pair of anti-tip system subassemblies actively lifting a leading anti-tip wheel when traveling in either forward or reverse directions. The anti-tip system subassemblies operate to couple a leading anti-ti... | 09/04/2007 |
| 7255194 | Steering system for a zero-steer vehicle A vehicle is provided having a steering system for selectively operating the vehicle in a zero-steer configuration. The system includes a forward steering assembly coupled to a steering wheel and a forward set of wheels. The forward steering assembly is arranged to ... | 08/14/2007 |
| 7249644 | Electric vehicle An electric vehicle is provided with a drum brake unit on a rear wheel rotated by drive force of an electric motor. A first set of fins, for cooling the electric motor and the drum brake unit, are provided between the electric motor and the drum brake unit. Specific... | 07/31/2007 |
| 7240911 | System for controlling distribution of fluid to a system of air bags for use with vehicular trailers A valve system controls which air bags on a tractor trailer are in fluid communication with a pressurized air supply source. If one of the air bags develops a leak, an air bag may be taken out of fluid communication with the remaining air bags and pressurized air so... | 07/10/2007 |
| 7232008 | Active anti-tip wheels for power wheelchair An anti-tip system is provided for stabilizing a vehicle, such as a power wheelchair, about a pitch axis and relative to a ground plane. The anti-tip system includes at least one anti-tip wheel. The mounting assembly for the anti-tip wheel is configured such that it... | 06/19/2007 |
| 7219924 | Rear wheel drive power wheelchair with ground-contacting anti-tip wheels A curb-climbing rear wheel drive power wheelchair is disclosed having a pair of drive wheels, at least one ground-engaging idler wheel connected to the frame forward of the drive wheels and at least one ground-contacting anti-tip caster wheel mounted to the wheelcha... | 05/22/2007 |
| 7216896 | Heavy hauling system with hydraulic-powered extendable axles A carriage for transporting heavy loads on conventional roads is disclosed. The carriage comprises a central beam extending the length of the carriage and a plurality of cross beams. At least one of the plurality of cross beams comprises a hollow element having a fi... | 05/15/2007 |
| 7213855 | Hearse assembly A hearse assembly includes a support frame that has a substantially rectangular shape and has a forward end and rearward end. A tricycle frame includes a motor and has a back portion and a front portion. The back portion is integrally coupled to the forward end. A s... | 05/08/2007 |
| 7207403 | Transportable power wheelchair A transportable power wheelchair is provided which employs a variety of detachable modules to facilitate transportation and storage. The wheelchair may be readily disassembled/reassembled by a single individual without assistance and/or the need for special tools. T... | 04/24/2007 |
| 7199544 | Device for steering a vehicle A device for steering a vehicle, particularly a helicopter or even a simulator, comprising a handgrip that can be moved in a manner that is linear to the drive of a drive device, particularly the power unit or motor. The linear motion of the handgrip is coupled with... | 04/03/2007 |
| 7191854 | Self propelled gurney and related structure confidential and proprietary document A modular drive unit for a gurney including a control/handle module, a cord reel/charger module, a drive module, and a chassis assembly, plus all needed electrical wiring harnesses and pneumatic tubing to connect them. The modules mount to any existing gurney and to... | 03/20/2007 |
| 7137465 | Crawler device A crawler device for traversing in a confined environment, searching victims or inspecting defections, comprises an elongated flexible drive shaft extending along a central axis between a proximal end and a distal end, a motor operatively connected to the drive shaf... | 11/21/2006 |
| 7128175 | Multi-terrain amphibious vehicle A multi-terrain amphibious vehicle for travel across various types of surfaces and upon various bodies of water. The vehicle has an elongated longitudinally extending chassis having a bottom surface having a centerline. A plurality of left side propulsion units and ... | 10/31/2006 |
| 7108086 | All wheel drive utility vehicle with bogey beam suspension A utility vehicle that has a bogey beam suspension for the front steered wheels is also provided with all wheel drive by mounting a drive shaft within the bogey beam so that power can be furnished to the front axle. For a six wheel vehicle the middle axle is mounted... | 09/19/2006 |
| 7104346 | Power wheelchair A mid-wheel drive power wheelchair for use by handicapped and disabled persons is provided having a frame, a seat supported by the frame, a pair of drive wheels supported on the frame under the seat, a motor for causing rotation of the drive wheels, a battery for su... | 09/12/2006 |
| 7062805 | Pedal control of brake and auxiliary wheel deployment via side and end articulation A wheeled carriage for supporting a patient includes a patient support with head and foot ends and a wheeled base supported by castered wheels. Auxiliary wheels secured to an auxiliary wheel support structure are suspendedly mounted to the wheeled base. A control ap... | 06/20/2006 |
| 7017688 | Independent suspension for multi-use vehicle A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a second side, and the first suspension system suspends the first beam fro... | 03/28/2006 |
| 7011171 | Rugged terrain robot A rugged terrain robot (RTR) apparatus can function as a reconnaissance robot to optimize safety of search or rescue personnel. Remote control places the RTR in either a rolling mode or in a stair-climbing mode. Remote feedback is provided by an on-board RTR camera ... | 03/14/2006 |
| 7013200 | Movable robot A movable robot includes a main body unit and at least three wheel units. The wheel units are connected with the main body unit. The wheel units at least partially project from the main body unit. The wheel units have contact portions for contact with a floor surfac... | 03/14/2006 |
| 6966502 | All terrain vehicle chemical applicator An all terrain vehicle chemical applicator includes an elongate frame having at least six independent support wheels positioned along opposed sides of the frame. Suspension is provided for each of the support wheels including a support pivotally mounted to the frame... | 11/22/2005 |
| 6964310 | Multi-wheel-driving vehicle A multi-wheel-driving vehicle including at least three parallel axles each of which is provided on both ends thereof with respective drive wheels and including power dividing means for permitting the rotary speed among the axles, is improved in its effect of braking... | 11/15/2005 |
| 6957710 | Tandem drive axle assembly A tandem drive axle set includes a forward drive axle and a rear drive axle coupled to the forward drive axle with a connecting driveshaft where input torque is distributed to both the forward and rear drive axles without differential action. The forward drive axle ... | 10/25/2005 |
| 6938923 | Power wheelchair A curb-climbing rear wheel drive power wheelchair is disclosed having a pair of drive wheels, at least one ground-engaging idler wheel connected to the frame forward of the drive wheels and at least one anti-tip wheel mounted above ground aft of the drive wheels. Th... | 09/06/2005 |
| 6935448 | Obstacle traversing wheelchair The present invention provides a curb-climbing wheelchair having pivotal arm assemblies. The pivotal arm assemblies include at least one front caster and have the ability to rotate or pivot. The pivot arms rotate or pivot in response to moments generated by accelera... | 08/30/2005 |
