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7384046 Powered wheeled vehicle capable of travelling on level ground, over uneven surfaces and on stairs  
Powered wheeled vehicle ( 1 ), capable of travelling both on level ground and over uneven surfaces, comprising at least one driving tread (BR 11 ) as well as two pairs of front wheels (R 61 ) and...
7380618 Stair climbing platform apparatus and method  
A platform wheeled apparatus that incorporates an intelligent wheel configuration for each wheel in which each wheel can dynamically change its radius to negotiate various obstacles. The...
7347426 Stair-climbing wheelchair carrier  
An extension/retraction cylinder stops or starts tilting the platform of the stair-climbing wheelchair carrier based on a detection signal from an inclination sensor provided in the crawler drive...
7316405 Stair-climbing apparatus  
An apparatus for climbing and descending stairs or other obstacles has three flexibly connected sections and a pair of crawler belt systems on opposite sides of the unit. Each of the crawler belt...
7303031 Anthropomorphic robot  
Provided is an anthropomorphic robot having two legs and which is capable of walking upright. Each of the two legs has a foot which comprises an upper plate on which an ankle joint is installed and...
7246671 Stair-climbing human transporter  
A transportation vehicle and methods for transporting persons, robots or cargo, and more particularly motorized vehicles, and methods for transporting over surfaces, including surfaces such as...
7152882 Mobile carriage  
The invention provides a mobile carriage which is adapted to shift the center of gravity efficiently by utilizing the weight of wheel rotating means, power source means and control means to thereby...
7143850 Leg joint assist device for legged movable robot  
An assist device is provided with a spring device that generates an auxiliary driving force, by an elastic energy, acting on a joint of a leg. The spring device includes a gas spring having a...
7137464 Stair climbing hand truck  
A hand truck for climbing stairs includes a frame having handles proximate a first end and at least two wheels proximate a second end. A stair climbing mechanism is engaged with the frame proximate...
7111696 Legged mobile robot  
In a legged mobile robot ( 10 ) having a motor ( 42 ) that rotates the ankle joint ( 26 R ( 26 L)) about a right-and-left axis of the robot ( 26 RY ( 26 LY)) and a speed reducer ( 58 ) that reduces...
7083013 Self-leveling and balancing vehicle  
A self-leveling and balancing vehicle composed of a base and a moving and driving mechanism installed on the base, the mechanism having two longitudinal moving seats installed on the guiding rails...
7013201 Legged mobile robot and method of controlling operation of the same  
A legged mobile robot possesses degrees of freedom which are provided at roll, pitch, and yaw axes at a trunk. By using these degrees of freedom which are provided at the trunk, the robot can...
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...
7004271 Dynamic balancing vehicle with a seat  
A device for transporting a human subject over a surface. The device is a dynamically balancing vehicle having a control loop for providing balance. The device includes a platform defining a...
6935447 Stair-climbing hand truck  
A stair-climbing hand truck comprising two casters held in a chassis and a supporting foot constituted by a two-arm lever having a lower support end and an upper end, a supporting foot guide...
6907945 Wheel chair  
Disclosed is a wheel chair capable of going over an obstacle or ascending or descending a stair. The wheel chair comprises a wheel frame; an actuator coupled to the wheel frame; a power generating...
6860346 Adjustable diameter wheel assembly, and methods and vehicles using same  
A powered wheel assembly, and method and ground-engaging vehicle (e.g., a robotic vehicle) using the same, are provided. The vehicle incorporates at least one of the wheel assemblies on its chassis...
6827163 Non-linear control of a balancing vehicle  
A class of transporters for carrying an individual over ground having a surface that may be irregular. Various embodiments have a motorized drive, mounted to the ground-contacting module that...
6799649 Control of a balancing personal vehicle  
A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with...
6752400 Moving unit  
A moving unit provides a wheel that supports a body portion in a condition that the body portion can be moved, a supporting member that is mounted at a position that does not interfere with...
6615938 Mechanism for stair climbing in a cluster-wheel vehicle  
A method for operating a device ascending or descending stairs. The device has a plurality of wheels rotatable about axes that are fixed with respect to a cluster arm, where the cluster arm itself...
6571892 Control system and method  
Systems and methods for controlling a device are disclosed. In one embodiment, the systems and methods allow for the control of a human transport device such that the human transport device remains...
6561294 Balancing vehicle with passive pivotable support  
A balancing vehicle that supports a rider on a support such as a seat in a such a manner as to allow the position of the center of gravity of the vehicle to be varied by motion of the support....
6550787 Conveying apparatus for ascending or descending stairways  
A conveying apparatus capable of ascending or descending stairways and carrying goods consists of a frame, a transmission mechanism and a driving mechanism located on a lower section of the frame....
6443251 Methods for stair climbing in a cluster-wheel vehicle  
A method for operating a device ascending or descending stairs. The device has a plurality of wheels rotatable about axes that are fixed with respect to a cluster arm, where the cluster arm itself...
6415879 Control inputs for a balancing personal vehicle  
A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with...
6402161 Portable stair-climbing load transporting dolly  
A portable load transporting dolly having a mechanism manually operable for selectively ascending or descending steps is shown. The dolly has generally cross-shaped wheels and a pivotal driving...
6397960 Transporting device  
A transporting device has wheels, a stair climbing unit having climbing legs, an electric motor provided for driving of the stair climbing unit, a drive shaft which is driven by the electric motor...
6386552 Two-wheel hand truck  
A sack trolley ( 1 ) comprises a support frame ( 2 ) presenting a lower pair of carrying wheels ( 4 ) and a hoist mechanism ( 6 ) for climbing steps, which comprises a lifting arm ( 10 ) equipped...
6343664 Operating modes for stair climbing in a cluster-wheel vehicle  
A method for operating a device ascending or descending stairs. The device has a plurality of wheels rotatable about axes that are fixed with respect to a cluster arm, where the cluster arm itself...
6341784 Motor-driven stair climbing device  
A motor-driven stair climbing device ( 10 ) to carry equipment and goods, more particularly wheel chairs ( 9 ) with disabled persons. The wheel chair ( 9 ) can be detachably fixed to the stair...
6336642 Safety device for stair-climbing systems  
A safety device for stairway elevator systems ( 10 ) used for transporting apparatus and goods, especially wheelchairs ( 9 ) with persons who are unable to walk. The device is characterized in that...
6328120 Stair climbing vehicle  
In a stair-climbing vehicle for negotiating steps, ledges and stairs comprising a vehicle body having wheel support arms mounted thereon at opposite sides and in spaced relationship so as to be...
6267196 High mobility vehicle  
A vehicle, for driving over a ground surface, has a body with a left side, a right side, a front and a back. The vehicle includes left and right drive mechanisms. Each mechanism includes first and...
6237705 Self-propelled stairs moving unit  
The self-propelled stairs moving unit A 1 moves on stairs, putting a manual wheelchair K on the pallet 7, by driving the front crawler traveling units 1a, 1b and the rear crawler traveling units...
6123162 Hand truck with detachable power unit  
A hand truck has a movable load platform that can be driven upwards and downwards by driving means associated with a readily detachable power unit. This allows an operator to place the hand truck...
5996767 Wheelchair transporter for use on an escalator and an escalator control system for transporting the wheelchair transporter on the escalator  
A transporter main body has a pair of front wheels and a pair of rear wheels, each of which is adapted to contact with a step of an escalator, a resilient member connected to the bottom of the...
5975225 Transportation vehicles with stability enhancement using CG modification  
There is provided, in a preferred embodiment, a vehicle for transporting a payload (which may but need not include a human subject) over ground having a surface that may be irregular. This...
5794730 Indication system for vehicle  
There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for...
5791425 Control loop for transportation vehicles  
There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for...
5701965 Human transporter  
There is provided, in a preferred embodiment, a device for transporting a human subject over ground having a surface that may be irregular and may include stairs. This embodiment has a support for...
5653301 Wheel-supported apparatus for climbing and descending stairs  
The wheel-supported apparatus is used for climbing and descending stairs. The apparatus comprises a hollow main frame. A first carriage unit is located within the main frame and is slidably...
5579857 Stair climbing vehicle  
A vehicle which goes up and down stairs includes a vehicle body (101), front and rear wheels (102) and (103) provided at the front and rear of the vehicle body (101), respectively, front and rear...
5517416 Traction controller for crawler vehicles  
This invention relates to the controlling of the travel of a crawler vehicle and aims at resolving the issue of making a crawler vehicle travel on an ungraded land with the crawlers effectively...
5515934 Agile versatile mobile robot body  
A modular robot body assembly includes a generally rhombicuboctahedron geometric shape segmented into five modules symmetrically located around a horizontal center shaft system which allows the...
5513106 System for controlling locomotion of a walking robot having a sensor for detecting externally exerted forces  
A system for controlling the locomotion of a biped walking robot having a body and a pair of legs each connected to the body through a hip joint and having a knee joint and an ankle joint and a...
5459659 Attitude stabilization control system for a legged mobile robot  
A system for controlling attitude stabilization of a biped mobile robot having a trunk and two legs each connected to the trunk such that it walks on the ground. The system generates a desired...
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...
5447317 Method for moving a wheelchair over stepped obstacles  
A lifting apparatus is easily attached to a conventional wheelchair and allows the wheelchair to successfully negotiate stepped obstacles, such as steps and curbs. The apparatus includes two...
5426586 Robot drive joint control system  
A system for controlling the locomotion of a biped walking robot by absorbing the footfall impact such that the robot walks stably. In advance, constraint conditions for the robot such as a...
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