A frame mechanism for a vehicle with at least three wheels includes wheel frame assemblies to support a vehicle frame assembly. By a shock absorbing assembly, a swing arm, two synchronizing levers and two linking shafts, when any kind of loading carried and external forces are applied to the vehicle, the wheels can constantly remain on the ground surface with the same traction so as to minimize the risk of yaw, drift and unbalance upon a turn or braking of the vehicle. Also, a variety of uneven movements of the wheels can be balanced and converted into a movement of the vehicle frame assembly in an up-and-down direction. In case of the wheels running off the ground, the wheels can be kept in a proper position for retouching down with safety and comfort.

A manual electric folding scooter belongs to the technical field of medical instruments comprises a folding assembly, a push rod shaft and a rotating spindle arranged in turn, one end of an electric push rod is fixed in the push rod shaft, and the other end of the electric push rod is driven by a motor; the folding assembly comprises a hook shaft with both ends welded to a fixing plate, two reinforcing rods are symmetrically welded in the middle of the hook shaft, and the free ends of the reinforcing rods after passing through the symmetrically arranged fixing plate are arranged in sliding slots of frame fixing pieces on corresponding sides.

A wheelchair accessible cycle that can be driven on a surface and operated from a wheelchair. The wheelchair accessible cycle comprising a frame and a platform. The frame has a front portion with a first wheel and a rear portion with second and third wheels. The platform is disposed laterally between the second and the third wheels and longitudinally between the front and rear portions of the frame. The platform is configurable to transport the wheelchair and pivotally moveable between a tilted position, where a free edge of the platform is in contact with the surface for rollably receiving the wheelchair, and a horizontal position, where the platform is generally horizontal and the wheelchair is adjacent to the front portion of the frame when the wheelchair is loaded onto the platform.

A wheelchair accessible cycle that can be driven on a surface and operated from a wheelchair. The wheelchair accessible cycle comprising a frame and a platform. The frame has a front portion with a first wheel and a rear portion with second and third wheels. The platform is disposed laterally between the second and the third wheels and longitudinally between the front and rear portions of the frame. The platform is configurable to transport the wheelchair and pivotally moveable between a tilted position, where a free edge of the platform is in contact with the surface for rollably receiving the wheelchair, and a horizontal position, where the platform is generally horizontal and the wheelchair is adjacent to the front portion of the frame when the wheelchair is loaded onto the platform.

A braking system for a rollator with a frame includes an adjustable handle to be installed on a right subframe or a left subframe of the frame of the rollator, a bracket fixedly connected to the handle, a lever rotatably connected to the bracket, a lock movably connected to the bracket and configured to fix the lever in a locked position when the lock is moved relative to the bracket once the lever is rotated toward the frame, and a wire operably connected between the lever and a brake on the frame of the rollator, such that the wire applies the brake when the lever is rotated toward the bracket and when the lever is fixed in the locked position.

A four-wheel driven vehicle capable of all terrain use and which is particularly suitable for people with reduced physical ability has a frame with various arms, connections and suspension elements that assist the capability of use off-road or on trails and paths with uneven ground. The vehicle can be classified as a wheel chair according to national requirements and standards.

A four-wheel driven vehicle capable of all terrain use and which is particularly suitable for people with reduced physical ability has a frame with various arms, connections and suspension elements that assist the capability of use off-road or on trails and paths with uneven ground. The vehicle can be classified as a wheel chair according to national requirements and standards.

The system of the preferred embodiments includes at least two wheels, where the wheels are mounted on axles, where the axles are attached to a frame, where a seat is attached to the frame, where the seat is designed to allow a user to slide along the seat and off of at least one end of the seat. The mobility scooter of the preferred embodiments is designed to allow a user to slide from the seat of the scooter directly onto other types of seats, and then slide back onto the scooter, allowing the user to get around much more easily and with far less strength that they would have to with any other type of scooter or wheelchair.

A human-propellable vehicle (1) is described which comprises a chassis (2), and a rear wheel assembly (5) mounted to a rear portion of the chassis. The rear wheel assembly comprises a double wishbone suspension assembly, each wishbone (14, 22) of the double wishbone suspension assembly being coupled to the chassis at first and second coupling points, the second coupling point for each wishbone being closer to the rear of the chassis, and closer to the longitudinal axis of the vehicle, than the first coupling point for that wishbone. By using a double wishbone set up at the rear of the bike it is possible to control weight transfer more efficiently. By providing a second coupling point for each wishbone which is closer to the rear of the chassis, and closer to the longitudinal axis of the vehicle, than the first coupling point for that wishbone, it is possible to utilise a setup without having to adopt a higher seating position and without having to increase the rear wheel track beyond an acceptable width.

A human-propellable vehicle (1) is described which comprises a chassis (2), and a rear wheel assembly (5) mounted to a rear portion of the chassis. The rear wheel assembly comprises a double wishbone suspension assembly, each wishbone (14, 22) of the double wishbone suspension assembly being coupled to the chassis at first and second coupling points, the second coupling point for each wishbone being closer to the rear of the chassis, and closer to the longitudinal axis of the vehicle, than the first coupling point for that wishbone. By using a double wishbone set up at the rear of the bike it is possible to control weight transfer more efficiently. By providing a second coupling point for each wishbone which is closer to the rear of the chassis, and closer to the longitudinal axis of the vehicle, than the first coupling point for that wishbone, it is possible to utilise a setup without having to adopt a higher seating position and without having to increase the rear wheel track beyond an acceptable width.