A support device includes a wheel, a base member, a leg coupled to the wheel and the base member, the leg including an upper leg segment, a lower leg segment positioned below the upper leg segment, a joint positioned between the upper leg segment and the lower leg segment, the joint including a cam defining a non-circular perimeter, and an actuator coupled to one of the upper leg segment and the lower leg segment, the actuator including an engagement member that is engaged with the non-circular perimeter of the of the cam of the joint, where the actuator selectively moves the engagement member to move the cam and the upper leg segment and the lower leg segment about the joint.

A family of vehicles is presented which exploit dynamic controls to stabilize in-line two wheeled vehicles. The stabilization results in improved safety at high speeds and on uncooperative surfaces. Stabilization affords balance at zero speed without auxiliary support means. Transformational wheel base length affords high visibility at low speeds and low drag at high speeds. In wheel chair configurations transforming wheel base length allows navigation up and down stairs.

A modular power base for a wheelchair, the modular power base includes a leg module. The leg module includes an upper leg portion comprising a distal end and a proximal end. The proximal end is configured to be detachably and rotatably coupled to a seat portion of the wheelchair. The leg module also includes a lower leg portion having a first end and a second end, the first end of the lower leg portion being rotatably coupled to the distal end of the upper leg portion. The leg module also includes a first wheel rotatably coupled to the distal end of the upper leg portion and to the first end of the lower leg portion and a second wheel rotatably coupled to the second end of the lower leg portion.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.

A first transport apparatus includes a deck for supporting a patient thereon and a lift mechanism supporting the deck. The deck is removable from the lift mechanism for use as a second transport apparatus or part of a second transport apparatus. The first transport apparatus further includes an electrically powered device at the first transport apparatus, and a user input device for wireless control of the electrically powered device, which is operable at or near the first transport apparatus and the second transport apparatus.

A puncture resistant wheel apparatus, and method of use, for safely climbing obstacles are disclosed herein. A plurality of wheel apparatuses is mounted on a vehicle (e.g. a wheelchair, cart, mountain bicycle, etc.) to enable it to safely traverse obstacles, such as a flight of stairs, road curbs, etc. without slipping, and while creating a smoother ride. Each wheel apparatus comprises: a tire comprising a plurality of teeth sections separated via a thin space to grip an obstacle edge between the teeth; a circular rim attachable to the tire inner surface via T-joints, and a plurality of evenly spaced spokes extending to a central hub; and two hoop rings, mounted on opposing tire sidewalls. The center of each tire tooth section further comprises an elastic unit, comprising a vertical spring and two horizontal springs that further act to dampen the vibrational and jarring forces exerted on the wheel apparatus.

The stair-climbing wheeled carrier has a U-shaped frame defined by a pair of elongated parallel handles and a crossbeam extending between the ends of the handles. Each handle has an axle mount depending therefrom having a star wheel or spider wheel mounted thereon. A dual shaft worm drive motor is mounted on the frame, the shafts driving chain drives connected to the wheels. A throttle extends from one of the handles, and controls leaf springs that operate switches for actuating the reversible motor and returning the throttle to neutral when released. A payload is attached to brackets mounted on the handles. The payload may be a seat for a person needing assistance attending/descending stairs, or a basket for carrying packages or other items upstairs. In use, an assistant uses the handles to support the frame while operating the motor to activate the wheels for climbing stairs.

A patient transport apparatus for transporting patients in a stair configuration and in a chair configuration. A multiple mode handle assembly is provided for user engagement, and is movable between a first handle configuration, a second handle configuration, and a third handle configuration.

A patient transport apparatus operable by a user for transporting a patient along stairs. A seat section is coupled to a support structure. A track having a belt is attached to the support structure and is arranged for selective operation between: a retracted position, and a deployed position to engage stairs. A drive system with a motor is disposed in rotational communication with the belt to control movement along stairs in the deployed position. A user interface us arranged for engagement to selectively adjust operation of the drive system between: an active state for controlling movement of the belt with the motor, and an inactive state. A braking controller is configured to sense movement of the belt in the inactive state, and to control the motor to limit movement of the belt in the inactive state to effect corresponding limited movement of the patient transport apparatus along stairs.

A patient transport apparatus operable by a user for transporting a patient along stairs. A seat section is coupled to a support structure supporting a track assembly having a belt. A motor selectively generates torque to drive the belt. A user interface is arranged for engagement by the user, and has a direction input control for selecting a drive direction of the motor, and an activation input control for operating the motor to drive the belt. A controller in communication with the motor and the user interface is configured to limit operation of the motor in response to user engagement of the activation input control preceding engagement of the direction input control to prevent driving the belt, and to permit operation of the motor in response to user engagement of the activation input control following engagement of the direction input control to drive the belt in a selected drive direction.