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Document Title |
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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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