Matches 1 - 50 out of 103 1 2 3 >


Match Document Document Title
8998215 Arrangement for overcoming an obstruction to traveling movement  
The invention relates to an arrangement (9) for overcoming an obstruction (8) to traveling movement, preferably on an automatically traveling floor cleaning appliance (1) having a driven travel...
8950762 Arm-wheel type robotic vehicle comprising suspension system  
A vehicle and a suspension system, for stabilizing vehicle disposition by lowering the center of gravity, and improving stability control performance are provided. The vehicle includes a body, at...
8925943 Wheelchair suspension  
A wheelchair includes a frame, a rear caster coupled to the frame, a drive wheel coupled to the frame, a front caster, and a pivoting assembly. The pivoting assembly couples the front caster to...
8910951 Caster wheel arrangements  
A caster wheel arrangement includes a base; a yoke rotatably mounted to the base via a kingpin; at least a first caster wheel rotatably mounted to the yoke; and an assist arrangement moveably...
8764027 Slab dolly  
In one embodiment, a slab dolly for moving slabs of material includes a body adapted to support a slab of material, wheels that support the body, handles that extend to a rear of the body, and a...
8753155 Wheel with folding segments  
A circular folding wheel has a center wheel section encompassing the center of a circle and adapted to be mounted to an axle at the center, with a side substantially corresponding to a chord of...
8672062 Internal means for rotating an object between gravitationally stable states  
A vehicle incorporating a plurality of control motion gyroscopes (CMTs) contained within a support structure is described. Optionally, a mass shifting mechanism may also be incorporated in the...
8641050 Apparatus for moving a non-ambulatory individual up and down steps  
An apparatus for transporting a non-ambulatory individual up and down steps includes a seat for the non-ambulatory individual, two front wheels and two larger back wheels positioned under the...
8439370 Stair-climbing device  
A stair-climbing device including a support unit, a climbing unit driven by a motor and a control unit for controlling operation of the climbing unit, wherein a detection unit is provided for...
8434769 Trailer hitching and tracking steering  
Improvements in a trailer hitching and tracking steering system are disclosed include a new style RV or wagon style RV that includes an extendable, variable position tow bar that accommodates...
8231131 Staircase movable cart  
A cart that can be used as a hand truck for carrying heavy loads up and down a staircase is disclosed. The design has means for accommodating in any size of staircase steps and the small compact...
8186469 Mobile robot  
The present invention relates to a mobile robot having jump function. An exemplary mobile robot according to an embodiment of the present invention includes a robot body, a pair of wheels, a...
8170780 Apparatus and method for control of a vehicle  
An apparatus and method for transporting a payload over a surface is provided. A vehicle supports a payload with a support partially enclosed by an enclosure. Two laterally disposed...
8100415 Wheel suspension  
The present invention relates to a wheel suspension for mounting on a frame (3) of a vehicle, which, in its direction of propulsion, is arranged to be able to scale an obstacle (7), the wheel...
8061460 Stair climbing device  
A stair climbing device, adapted for a wheel chair, including at least one climbing element which is adapted to be moved on a circular path so that it can get in contact with the next step of a...
7841603 Hand truck  
A hand truck (20) for transporting a load is disclosed. The hand truck (20) comprises a sub-frame (22) with a foot portion (47) extending therefrom so that the sub-frame is able to support the...
7837201 Assistant apparatus for surmounting barrier  
The present invention provides an assistant apparatus for surmounting a barrier, which comprises a carrier body, an assistant mechanism, and a sensing/driving apparatus. The assistant mechanism,...
7669861 Stone block transporting crawler-climber  
Twinned circular, parallel arrays of spoke-like second-class levers (10, 12) enclosing a centered cargo cradle for towing 2½ ton stone blocks (26) up a stepped structure of stone courses (34) by...
7575076 Link-type double track mechanism for mobile robot  
The present invention relates to a design of a driving mechanism for a vehicle to move through uneven terrain including stairways. The link-type double track mechanism in accordance with the...
7540504 Step climbing wheelchair  
A step climbing wheelchair apparatus includes right and left lift anus, and a longitudinal slot defined in a middle portion of each lift arm. The rear wheel axles of the wheelchair extend through...
7503567 Automated wheelchair  
An automated wheelchair for moving over a contact surface. The automated wheelchair includes an operator chair for seating the wheelchair operator, a control computer, an operator input device for...
7472767 Wheelchair suspension  
The present invention relates to a wheelchair suspension that includes a pivoting assembly. The pivoting assembly includes at least two linkages. The pivoting assembly is structured so that the...
7398843 Reconfigurable robot drive  
A robot including a robot body, a plurality of wheels on the robot body for propelling the robot body, and an axle for each wheel. Each wheel is configured to alternately attach to an axle at or...
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 (BR11) as well as two pairs of front wheels (R61) and rear...
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...
7036185 Arrangement in a wheel lifting mechanism  
The present invention relates to an arrangement in a wheel lifting mechanism designed to lift at least one wheel (1) running on an underlying surface so that it is capable of negotiating an...
7017687 Reconfigurable articulated leg and wheel  
A reconfigurable leg and wheel device includes an array of components joined in series configurable as i) an articulated leg with the components movable with respect to one another in a walking...
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...
6712369 Anti-turnover mechanism of electrical wheelchair  
An electrical wheelchair includes a chassis to which a frame is pivotally mounted. Two casters are rotatably mounted to the frame. At least a resilient member is arranged between the frame and the...
6454286 Traveling device for smooth and stable movement on uneven and inclined surfaces  
A traveling device such as, for example, a wheelchair or a resource carrier enabling comfortable travel on uneven ground, with its wheels moving in conformity with the ground, having a simple...
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...
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 with...
6357765 Obstacle traversing wheel assembly  
An obstacle traversing wheel assembly that rolls easily without dragging over electrical cords, trash and debris includes a primary wheel that is journaled on an axle which is attached to a load...
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 climber...
6293560 Suspension arrangement for a wheeled conveyance  
A suspension arrangement for a wheeled conveyance, the suspension arrangement including a mounting member, at least two pairs of wheels and a biasing structure, the mounting member supporting...
6224068 Baggage pushcart configured for negotiating escalator stairways  
The present invention configures a pushcart, in particular a baggage cart such as is used in airports, for ease of maneuverability in negotiating an escalator stairway. The cart is fitted with a...
6223104 Fault tolerant architecture for a personal vehicle  
A motorized vehicle capable of fault detection and of operation after a fault has been detected. The vehicle has a plurality of control components coupled to a motorized drive and a comparator for...
6217045 Massage table cart  
A wheeled cart for transporting various size massage tables from one place to another which includes an elongated base frame having a front end and an opposite end and a pair of spaced-apart side...
6126176 Fall suppressing device for a vehicle configured to ride on descending and ascending escalators  
A fall suppressing device 8 provided in a cart for moving up and down an escalator includes an engagement member 87 and an oil damper 81. The engagement member 87 is vertically movably coupled to...
6029982 Wheeled vehicle for movement on escalators  
A powered vehicle is configured to stably and reliably ride on an escalator and includes a vehicle body (1), front and rear wheels (2) and (3), a drive mechanism (42), and front and rear supports...
6003624 Stabilizing wheeled passenger carrier capable of traversing stairs  
A double-inverted wheeled passenger carrier (WPC) that is actively stabilizing on two or more axially-spaced wheels through a controller that senses and adjusts three degrees of freedom that...
5868402 Motorized cart  
A motorized cart is disclosed which allows a rider to safely ride an escalator. The motorized cart includes front wheels 2 and rear wheels 3 mounted on a vehicle body 1. A first support portion 6...
5833249 Stair climbing hand truck  
A stair climbing hand truck utilizes two pairs of wheels which are attached to a secondary frame forming a part of the hand truck and which are mounted in an overlapping relationship. The first...
5829763 Power assisted lifting device  
In combination an elevating unit for readily releasable attachment to a hand truck is disclosed. The elevating unit comprises, when in place on the hand truck, a main body portion having a front...
5655615 Wheeled vehicle for distributing agricultural materials in fields having uneven terrain  
A vehicle adapted to traverse uneven terrain, comprising a chassis and a plurality of wheel assemblies. The wheel assemblies each comprise a forward wheel and a rear wheel mounted on a common...
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...
5624128 Transport system for disabled people  
A transport apparatus for disabled individuals has a frame for carrying a driver, drive wheels, at least one front wheel, a back support and a push structure. The drive wheels are removable...
5603517 Walkers  
A rollable walker for traversing stairs and substantially level surfaces, comprising a frame which includes a left and a right upright members, the left and right upright members including front...
5562172 Wheeled vehicle arrangement for distributing agricultural materials in fields having undulations such as soft walled levees and the like  
Soft low pressure type trailer wheels are supported on inverted V-shaped wheel tandem-type support members. Each of the wheel support members is pivotally supported on a side of the trailer and...

Matches 1 - 50 out of 103 1 2 3 >