|
Match
|
Document |
Document Title |
|
|
4566706 |
Easy-adjust stair climber for wheelchair
An apparatus for moving a wheelchair having a pair of upright rear frame members has a support adapted to engage underneath the wheelchair in an upright condition of same with the chair pivotal on...
|
|
|
4566707 |
Wheel chair
A mechanism for the transport of an object across relatively level surfaces as well as to ascend and descend stairways. The mechanism is described particularly with respect to a wheel chair for...
|
|
|
4556229 |
Stair-climbing apparatus for wheelchair
An apparatus for moving a wheelchair on a flight of steps has a support adapted to engage underneath the wheelchair in an upright condition of same with the chair pivotal on the support between...
|
|
|
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...
|
|
|
4455029 |
Wheel chairs
A wheel chair has means for surmounting obstacles, comprising extensible legs 8 with wheels 10 at their feet ends, a link cable or the like mechanical connection actuable by a handle, 18 for...
|
|
|
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 of...
|
|
|
4411330 |
Stair-climbing apparatus for a wheel chair or similar mobile transport means
A stair-climbing apparatus for a wheel chair or the like mobile transport means, which apparatus is provided with an undercarriage, a plurality of pulleys mounted in the undercarriage, at least one...
|
|
|
4401178 |
Wheelchair carrier
A stair climbing wheelchair carrier comprising a handle assembly and base, the handle assembly for securing the wheelchair to the carrier, means for securing the handle assembly to the base, the...
|
|
|
4312417 |
Hand truck employing wheel units having multiple wheels
A hand truck which is especially useful in moving loads up and down stairways can be constructed so as to employ two identical wheel units located adjacent to the lower end and at the back of the...
|
|
|
4222449 |
Step-climbing wheel chair
An improved step-climbing wheel chair with integral retractable ramps for ascending or descending a step, curb or the like. The conveyance is provided with a two-speed transmission capable of...
|
|
|
4200161 |
Stairway climbing device
A device is disclosed which is capable of moving on a stairway comprised of a plurality of steps and comprises a power source and a plurality of spoked wheels which are moveable by the power source...
|
|
|
4154315 |
Chassis for stair-climbing vehicles
A chassis for stair-climbing wheel chairs with step wheels mounted on a star-shaped rotating supporting means, the step wheels being surrounded by an elastic endless belt, the latter being in...
|
|
|
4119163 |
Curb climbing wheel chair
A self-propelled wheel-chair capable of climbing up or down a curb is disclosed. The wheel-chair is able to elevate an occupant higher than existing types of wheel-chairs practically to the height...
|
|
|
4109740 |
Stair climbing device
The stair-climbing device is suitable for transporting a load up or down a flight of steps. The device includes a frame on which the load is seated and a number of load-bearing shoes which engage...
|
|
|
4108449 |
Stair-climbing wheelchair
A wheelchair which has a seat, back and foot and leg supporting structure in which there are main and auxiliary wheels for supporting the body of the wheelchair when it is operating on a...
|
|
|
4062418 |
Apparatus for supporting loads in a cart
An apparatus for supporting loads in a cart which can ascend the stairway having a load receiving device which is adapted for moving in the longitudinal direction of the cart whereby center of the...
|
|
|
4061199 |
Chassis for a vehicle capable of travelling over obstructions
The invention relates to a chassis for a vehicle capable of travelling over obstacles. Besides roadwheels and step wheels an endless elastic belt is provided, the elastic belt engaging portions of...
|
|
|
4057119 |
Powered hand truck for climbing steps
A hand truck powered by pressurized gas for transporting a load up one or more steps, having a unique mechanical design permitting it to execute a smooth climbing motion up nosed or unnosed steps,...
|
|
|
4033421 |
Stairway-climbing cart
A stairway climbing cart for lifting goods along the stairway which may also be moved on the floor. The cart has a driving crawler belt at the central portion thereof for facilitating the turning...
|
|
|
3882949 |
Universal wheelchair for the severely disabled
A universal, adjustable-height powered wheelchair is disclosed for the severly disabled, such as quadriplegic, driver. The wheelchair has a powered elevating mechanism capable of raising the seat...
|
|
|
3788413 |
STAIR TRAVERSING MECHANISM FOR HAND TRUCK
The present invention relates to a powered mechanism adapted to be attached to a standard hand truck to facilitate the ascending or descending of a stairway with a load. An auxiliary shaft, to...
|
|
|
3760897 |
LOAD MOVING VEHICLE
A vehicle suitable for use in moving heavy loads along horizontal and inclined paths wherein the vehicle includes a frame having a pair of spaced shafts rotatably mounted thereon. Each shaft has...
|
|
|
3730287 |
VEHICLE FOR USE IN PLANETARY EXPLORATION
A self-propelled vehicle particularly suited for use in traversing hostile terrain. The vehicle is characterized by a plurality of mutually independently operable propulsion units, each including...
|
|
|
3724864 |
CRAWLER TYPE LOAD TRANSPORTING DEVICE
A combination hand truck and a manual or power driven propulsion unit including means for removably securing the propulsion unit to the body of the hand truck. The hand truck is of conventional...
|
|
|
3698501 |
POWER-OPERATED DOLLY
An apparatus for electrically, as well as manually, moving heavy objects up stairways. A group of wheels at each side of a dolly frame are arranged about a common axis, each group being operable...
|
|
|
3638745 |
HYDRAULIC POWERED STAIR NEGOTIATING WHEEL CHAIR OR UNEVEN TERRAIN NEGOTIATING VEHICLE
The vehicle comprising an adjustable length chassis, rotary spider arm wheel assemblies, including rotary peripheral minor wheels, a central propulsion means including a power source, a motor, and...
|
|
|
3592282 |
STAIR-TRAVERSING WHEELCHAIR APPARATUS
An apparatus adapted to carry a wheelchair comprises a frame having side members between which the wheelchair is mounted which frame members carry adjustable support means for raising and lowering...
|
|
|
3580344 |
STAIR-NEGOTIATING WHEEL CHAIR OR AN IRREGULAR-TERRAIN-NEGOTIATING VEHICLE
A vehicle including a variable-length central frame upon which is pivotally and rotatably mounted multiple wheel assemblies. A central propelling means powering the wheel assemblies. A central...
|
|
|
3554309 |
POWER-OPERATED LOAD TRANSPORTING DEVICE
A power-operated load-transporting device operable up and down steps and along passageways. The device is equipped with front and rear supports selectively reciprocal to elevate the main frame...
|
|
|
3550709 |
SELF-POWERED CLIMBING HAND TRUCK
|
|
|
3529479 |
GEAR TRAIN AND CLUTCH FOR A SELF-PROPELLED TOY
|
|
|
3515401 |
STAIR CLIMBING DOLLY
|
|
|
3499501 |
STAIR CLIMBING APPARATUS
|
|
|
3494440 |
DEVICE FOR MOVING HEAVY OBJECTS UP AND DOWN STAIRS
|
|
|
3450219 |
STAIR-CLIMBING VEHICLE
|
|
|
3438641 |
STAIR CLIMBING WHEELCHAIR
|
|
|
3417831 |
Hand truck with power lift
|
|
|
3411599 |
Stair climber for cleaning machine
|
|
|
3411598 |
Stairclimbing wheelchair
|
|
|
3348518 |
Amphibious star-wheeled vehicle
|
|
|
3346268 |
Vehicle with climbing wheels
|
|
|
3283839 |
Stair-climbing wheel chair
|
|
|
3269478 |
Stair climbing wheel chair
|
|
|
3208544 |
Stepping wheel vehicle
|
|
|
3196970 |
Stair-climbing wheel chair
|
|
|
3142351 |
Stair climbing wheelchair
|
|
|
2931449 |
Occupant-controlled, self-propelled, obstruction-climbing vehicle
|