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Match Document Document Title
8967628 Apparatus, system and method for a load-bearing cart  
A cart is configured to allow a user to gain mechanical advantage in moving a load up or down a step, a curb, a flight of stairs or other obstruction while at the same time allowing them to employ...
8857920 Obstacle traversing wheel assembly  
An obstacle traversing wheel assembly can include at least one primary wheel member mounted with a primary axis of rotation and capable of rolling engagement with a supporting surface, and at...
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...
8764028 Stair climbing wheel with multiple configurations  
A stair climbing wheel and vehicles are described. The stair climbing wheel has a rolling wheel and a plurality of deployable protrusions that allow the wheel to climb stairs. The deployable...
8662215 Maneuvering robotic vehicles having a positionable sensor head  
Configurations are provided for vehicular robots or other vehicles to provide shifting of their centers of gravity for enhanced obstacle navigation. Various head and neck morphologies are provided...
8393420 Driving system for stair-climbing vehicle  
A driving system that can allow a vehicle to go over or ascend obstacles or stairs through a step driving manner is provided. The driving system includes a power transmission unit connected to a...
8322470 Maneuvering robotic vehicles having a positionable sensor head  
Configurations are provided for vehicular robots or other vehicles to provide shifting of their centers of gravity for enhanced obstacle navigation. Various head and neck morphologies are provided...
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...
8157031 Multi-legged walking device  
A multi-legged walking device includes a crankshaft, a plurality of linkage bar mechanisms, a support member, and a driving device. The crankshaft includes a plurality of main journals and...
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...
8079432 Maneuvering robotic vehicles having a positionable sensor head  
Configurations are provided for vehicular robots or other vehicles to provide shifting of their centers of gravity for enhanced obstacle navigation. Various head and neck morphologies are provided...
7784569 Barrier-overpassing transporter  
The present invention discloses a barrier-overpassing transporter, which comprises: a support frame carrying a rider or another load; a sensing/adjusting module detecting a tilting state of the...
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...
7669862 Foldable spider wheel for ascending and descending stairs  
A collapsible spider wheel assembly on a towing device enables storage of the device into a standard rectangular space. Once collapsed, the collapsible spider assembly is protected within the body...
7654348 Maneuvering robotic vehicles having a positionable sensor head  
Configurations are provided for vehicular robots or other vehicles to provide shifting of their centers of gravity for enhanced obstacle navigation. Various head and neck morphologies are provided...
7631380 Wheeled attachment system  
A wheeled attachment system for efficiently attaching to a spine board to allow the spine board to be easily maneuvered over various surfaces (e.g. flat surfaces, stairs, etc.). The wheeled...
7516502 Wheeled attachment system for spine boards  
A wheeled attachment system for efficiently attaching to a spine board to allow the spine board to be easily maneuvered over various surfaces (e.g. flat surfaces, stairs, etc.). The wheeled...
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...
7438145 Vehicle adaptable to various terrains  
A vehicle is adaptable to various terrains. The vehicle includes a frame and two rolling sets connected to the frame. Each of the rolling sets includes two legs pivotally connected to the frame,...
7396023 Driving system for passing fly-over obstacles by invalid chair  
A driving system allows an invalid chair having a seating structure, wheels on both sides of the seating structure and at least one front stabilizing wheel, to pass obstacles. The driving system...
7270334 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...
6926287 Stroller assembly  
A stroller assembly includes a seat and a frame attached to the seat. A rear axle and a front axle is each mounted on the frame. A plurality of back wheels is rotatably attached to the rear axle....
6793026 Wall-climbing robot  
A wall-climbing robot or mobility platform able to ascend and descend various horizontal and vertical surfaces having a chassis, a rotor rotatable with respect to the chassis, one or more...
6742787 ATV trailer  
This device is a trailer hitched to an atv or off road vehicle to haul cargo over an uneven or rough terrain. The trailer has a frame of steel tubing, a main axle, low pressure tires, trailer...
6644675 Stair chair  
A stair chair is provided and includes a seat 30, a backrest 34, a foot rest 32, upper handles 84 and lower handles 82. Three wheels 62 are mounted at each side of the chair. The wheels are...
6609719 Walker and wheel assembly therefor  
A walker includes a frame with downwardly extending front and rear legs. An obstacle traversing wheel assembly is disposed at the lower end of each front leg, and a wheel having a brake that is...
6491119 Mechanical walker  
A mechanical walker comprises six legs extending from a sphere, the legs organized in a X-Y-Z axial configuration. The sphere and legs support a bearing member. A shell holds the sphere and legs...
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...
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...
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...
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...
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...
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...
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...
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...
5172925 Mobile prone stander with positioning chair  
A mobile inclinable stander with positioning chair (2) includes a mobile frame (4) and a body support frame (18) tiltably mounted to the mobile frame for movement between upright and reclined...
5167439 Wheel and brake system  
A wheel and brake system adapted for use with a vehicle for transportation comprising: a tread having a plurality of elements circumferentially spaced around the wheel to define a substantially...
5052237 Transmission device  
The invention relates to a transmission device for the motorization of a rolling-chair for example. Said transmission device comprises a hollow shaft 7 provided at each of its ends with a rolling...
4794999 Wheelchair and method of operating same  
A wheelchair is adjustable between a compact configuration, in which the center of gravity lies in a vertical plane (50), which intersects wheels (16,116) on a front carrier of the wheelchair and...
4790548 Climbing and descending vehicle  
A stair-climbing and descending vehicle is disclosed, comprising a frame and a pair of transverse, co-axial, power-driven axles, each rotatably carrying a spider assembly at its outer end. Each...
4709772 Motorized moving device  
A motorized moving device is provided of the type comprising a chassis equipped for receiving a person or an object to be transported and an axle mounted for pivoting on the chassis in the lower...
4687213 Wheel assembly for traversing obstacles  
A wheel assembly comprises at least two wheels (9) rotatable along a contact surface (2) and equally spaced on a carrier member (8) movably connected with a frame, e.g. a portion of a wagon body,...
4674757 Stair-climbing wheel utilizing an involute curve configuration  
A wheel for use with a variety of devices for moving a load up or down a series of stairs is disclosed, which wheel is comprised of a plurality of lobes like teeth on a gear. Each lobe has two...
4645222 Vehicle and method of operating same  
A wheelchair capable of climbing a flight of steps has a cluster of rear wheels rotatably mounted on a member (19) which can pivot on a body (10) of the chair to move the rear wheels upwardly and...
4512588 Stair climbing wheel chair  
A self propelled wheel chair is adaptable to climbing and descending stairs and steep slopes. The wheel chair is foldable for transporting and storing. Operation on level ground is similar to the...
4457526 Wheel assembly  
A wheel assembly for driven or non-driven trolleys or the like, comprising at least one set of wheels (10, 11) having at least three wheels (11) which are mounted on the trolley by a bearing means...
4421189 Stair vehicle  
The vehicle--e.g. a wheelchair--has groups of wheels (10) mounted on a spider (9) for rotation about a central axis to enable the vehicle to ascend or descend stairs or steps. To reduce the risk...
4264085 Wheelchair convenience attachments  
The commonplace laterally collapsible wheelchair is rendered more convenient and versatile by the addition thereto of several add-on attachments which can be readily installed by the purchaser of...
4264082 Stair climbing cart  
A hand truck is disclosed including unique wheel assemblies for supporting the truck and permitting it to move heavy loads up and down a flight of stairs. Each assembly having three wheels mounted...

Matches 1 - 50 out of 79 1 2 >