|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
7044481 |
Wheel assemblies for use with load bearing platforms
A wheel assembly for supporting a load bearing platform includes a primary wheel and at least four secondary wheels that are of equal size. The primary wheel includes at least one planar member...
|
|
|
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...
|
|
|
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...
|
|
|
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 allows...
|
|
|
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...
|
|
|
5560626 |
Cart for negotiating escalators
A cart having a lower frame and wheel means for moving the cart on a surface, includes a surface engaging means extending below the lower frame. When the cart engages an escalator step, the surface...
|
|
|
5516127 |
Cart for negotiating escalators
A cart having a lower frame and wheel means for moving the cart on a surface, includes a surface engaging means extending below the lower frame. When the cart engages an escalator step, the surface...
|
|
|
5380075 |
Footed wheel for irrigation apparatus
A wheel to support a pipe, or a tower carrying a pipe, of an agricultural irrigation system, especially of a rotary type, provides a polygonal metal web with feet pivotally mounted by foot supports...
|
|
|
5294136 |
One person furniture or appliance mover
A portable furniture and appliance mover includes a frame which has a handle on the rearward portion and a lateral load-engaging member on the forward portion. A forward projecting member engages...
|
|
|
5277436 |
Combination hand truck and stair ramp
In combination, a hand truck having a unidirectional wheel control ratchet and an adjustable length stair ramp are operable for transporting heavy loads of cargo up flights of stairs. A ratchet...
|
|
|
5273296 |
Obstacle overcoming vehicle suspension system
A suspension for propelling a vehicle so as to overcome an obstruction in its desired path of progress. The suspension includes connections between the chassis and body of the vehicle with its...
|
|
|
5253885 |
Stairway descending patient carriage
A carriage for rescuing patients is formed by a flat bottom rectangular frame having upstanding side walls, a rear wall, and a forwardly and upwardly inclined front wall. The frame is transversely...
|
|
|
5228709 |
Wheelchair driving mechanism
A wheelchair driving mechanism includes a driving disk fastened to either large wheel of a wheelchair by a circular table and a circular casing for moving the wheelchair with the hand, and a...
|
|
|
5026078 |
Harp caddy
A harp caddy for transporting a harp of the type having a base including feet projecting laterally outwardly from the base for supporting the harp. The harp caddy having a frame including a...
|
|
|
4951768 |
Modular articulated vehicle manoevring among obstacles and modular member incorporated in said vehicle
Modular element of module (M) for an articulated vehicle formed therefrom. The vehicle must be able to travel over various obstacles (corridors, staircases, level changes). The modules (M) are...
|
|
|
4932491 |
Body steered rover
A rough terrain vehicle is described which includes auxiliary wheels that can be deployed to avoid overturning the vehicle when turning while traversing a slope, to climb an embankment or the like,...
|
|
|
4919489 |
Cog-augmented wheel for obstacle negotiation
A vehicle for overcoming obstacles includes a wheel having an elastomeric flexible annulus upon which the wheel normally rides. Parallel spaced sprockets receive the annulus and include individual...
|
|
|
4858940 |
Stairway accessible carry cart with foldaway wheels
A carry cart having auxiliary wheels on the lower portion of its telescoping arms for redistributing the load of the carry cart when going stairs or the like. The auxiliary wheels are each...
|
|
|
4781391 |
Harp carrier
A carrier for transporting a harp whereby the harp may be rolled in a substantially upright position across a supporting surface and, alternatively, whereby a harp may be transported in a...
|
|
|
4747611 |
Curb ascending and descending wheelchair
Selectively operable spiral cam wheels are positioned adjacent and rotate on a common axis with the drive wheels and are attachable to the drive wheels for progressively raising the wheelchair in...
|
|
|
4709773 |
Variable geometry track vehicle
The vehicle comprises two tracked bodies and one non-tracked body articulated about a common axis. Each tracked body comprises two laterally positioned tracks. The engines are carried by tracked...
|
|
|
4688812 |
Wheeled arrangement
A wheeled arrangement, particularly a wheeled vehicle such as a wheelchair, includes two wheels (12,14) mechanically interconnected by a linkage including an inclined pivot (16) such that when...
|
|
|
4674585 |
Articulated unit vehicle
An elongated vehicle adapted to be propelled along an engaging surface and capable of climbing over obstacles on the engaging surface. The vehicle has a plurality of wheeled units including front...
|
|
|
4648853 |
Wheel hub locking mechanism
A wheel assembly for toy vehicles that includes a spider mounted for rotation inside of a generally cylindrical hollow wheel. The spider carries lugs for extension and retraction through passages...
|
|
|
4639002 |
Wheeled trolley frame
A wheeled trolley frame for use on an escalator. The frame has two ends and two pairs of ground engaging wheels (2 and 3) respectively positioned one pair adjacent each frame end and spaced apart...
|
|
|
4609200 |
Device for aiding in the collection, transport and dumping of refuse
The device takes the form of a strong-back which is attachable to a garbage can, generally vertically thereof, and has top and bottom handles for hoisting the can to the dumping position used by...
|
|
|
4534433 |
Material handling vehicle
An auxiliary wheel is mounted on a lift truck caster wheel assembly to normally be carried above the floor, but to engage the floor to prevent overturning, thereby increasing the lateral stability...
|