Matches 1 - 40 out of 40


Match Document Document Title
9004204 Motorized sled for stair chairs  
A lightweight motorized and tracked sled for attachment to a variety of stair chairs is described. A power supply or power source provides power to a motor driving a track configured to engage a...
8888119 Wheel protector skid for trailers  
The device sometimes called a boat ramp buddy is a generally triangular device that attaches to a trailer frame. The device is used to help the trailer skid across uneven or washed out boat ramps...
8640798 Motorized sled for stair chairs  
A lightweight motorized and tracked sled for attachment to a variety of stair chairs is described. A power supply or power source provides power to a motor driving a track configured to engage a...
8360178 Mobile robot  
The mobile robot includes a chassis, a pair of drive system, a manipulator arm with a turret. The pair of drive systems is operably connected to opposed sides of the chassis. The turret is...
8225892 Hybrid mobile robot  
A hybrid mobile robot includes a base link and a second link. The base link has a drive system and is adapted to function as a traction device and a turret. The second link is attached to the base...
7874386 Hybrid mobile robot  
A hybrid mobile robot includes a base link and a second link. The base link has a drive system and is adapted to function as a traction device and a turret. The second link is attached to the base...
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,...
7677587 Trailer and hitch mechanism for a robot  
A trailer and hitch system for a mobile robot. The trailer includes a front Ackerman steering linkage, a releasable locking mechanism for releasably positioning the Ackerman steering linkage in a...
7644932 Gap-clearing mechanism for wheelchair  
A gap-clearing mechanism for attachment to a wheelchair is disclosed. The gap-clearing mechanism has a lower member for attachment to the wheelchair, and an upper member spaced from and parallel...
7080842 Device for climbing stairs for a wheelchair  
A device for climbing stairs for a wheelchair having a chassis (1) having a lifting device (3) and having receivers (17, 18) for the running wheels (16) of the wheelchair on arms running...
6869084 Dignified broad footprint beach wheelchair  
A wheelchair or a vehicle for sand or loose soil comprises one or more skids, each equipped with a spring-loaded roller or roller plate. Examples of the vehicle include a wheelchair and a...
6604747 Stowable rescue device for patient transport  
A rescue device (20) having a sled body (22), back support member (24), safety belts (26, 28, 30), and a lowering strap (32) is utilized to lower incapacitated individuals down inclined terrain...
6360833 Chair lift for stairs  
Chair Lift for Stairs with a light weight metal chair frame mounted to a pair of metal slidable sled rails, the chair frame supporting a fabric seat and back, a set of wheels mounted to the base...
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...
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...
5620189 Scooter  
The scooter of this invention is provided with a relatively large radius front wheel and a relatively small radius rear wheel attached to a compact frame assembly. Advantageously, the front wheel...
5269544 Carriage for traversing irregular surfaces  
A carriage for traversing irregular surfaces, including a pair of extendable handles, a pair of skids to be operated by extending the handles, and a brake system for stopping the carriage on the...
5179746 Stretcher  
A stretcher operated by one or more persons for transporting an injured patient and including a body board for supporting a patient's upper legs and body, a slide member received within the body...
5022669 Child travel seat  
A child travel seat comprising a child receiving and restraining seat and back mounted between opposed side walls. The side walls define a base portion below the seat which mounts a series of...
4650197 Hand trolley  
A hand trolley for ascending and descending stairs is disclosed as including an elongated frame with a pair of outer rails and a pair of inner rails being spaced from the outer rails, a pair of...
4570954 Load carrier frame  
A load carrier frame is disclosed which includes a spaced pair of fabricated rails. Each rail includes a longitudinal carrier axle track to receive therein the respective ends of a luggage carrier...
4504071 Two wheeled utility cart  
A wheeled hand truck of the type having an elongated frame with a load engaging platform and a set of wheels near one end and user handles near the other end includes a stairstep engaging leg...
4420166 Stair climber for hand trucks  
A two-wheeled hand truck or dolly with an attached stair climber construction which comprises a body member having a retaining flange overhanging both sides of the body, such flange having two...
4368896 Hand trolley  
A trolley 10 for negotiating stairs with three overlapping pairs of wheels 11, 18, 19 the tangential plane 20 of which is fixed acute angle of about 30° to the back 13 of the frame 12. In normal...
4329752 Cargo loading apparatus  
The present invention relates to a cargo loading apparatus for loading a cargo disposed on a first level onto a deck disposed on a second level generally above the first level, the deck having a...
4275894 Hand truck construction assembly  
A hand truck having a wheeled upright frame is provided at its lower end with a load-supporting nose member swingable between raised and lowered positions, the nose member being biased to its...
4264081 Fireplace implement by which firewood is hauled to and stored juxtaposed the fireplace  
A fireplace implement for hauling and storing wood adjacent a fireplace comprising a cart having open sides, cradling fore and aft frames, handle members bridging between the top of fore and aft...
4247125 Wheelchair  
A wheelchair is constructed so as to be able to mount curbs, and overcome similar obstacles. In front and above each main wheel of the wheelchair, an auxiliary wheel or wheels are mounted, so that...
4046391 Stair climbing and descending attachment for a hand truck  
The present invention is an attachment for a hand truck. The attachment comprises two truss members welded to the hand truck and two elongated rail members, each secured to one of the truss...
3976152 Wheelchair having pivotable ramp for climbing curbs  
A wheelchair provided with pivotable ramps to enable curb-climbing which is provided with means to enable it to mount curbs. The wheelchair comprises three or more wheels and at least one...
3861695 LUGGAGE CARRYING DEVICE  
A portable luggage carrying dolly is provided having an upright back portion and a hinged base connected thereto. Both the back and the base include spaced composite members interconnected by...
3830514 REFUSE CONTAINER CART WITH IMPROVED LID-ACTUATING HANDLE  
A portable wheeled refuse or storage cart to accomodate large size refuse or storage containers and having a pivotal lid removal arm operative so as to assure repeated accurate and fully positive...
3684307 OFFICE MACHINE CART  
A cart having a collapsed and an erect condition, and adapted for transporting and demonstrating office machines. The cart includes a machine supporting surface or table element on which a machine...
3394942 Heavy duty moving dolly  
3266813 Mobile garden and refuse cart  
3204982 Anti-scraper device for motor vehicles  
3137511 Stretcher chair  
2823042 Shopping cart guard  
2810925 Caster  
2801861 Combined hand truck and lift  

Matches 1 - 40 out of 40