An electrical power assistance device designed to be removably coupled to existing transport wheelchairs to provide electric power to aid in transportation of a person sitting in the wheelchair, while being detachable to allow the transport chair to fold up for easy storage in a car or other vehicle. The electrical power assistance device includes a motor powered by a rechargeable battery, where the motor drives an internal shaft which rotates a pair of friction wheels. A clutch, provided on a separate axle coupled to the friction wheels by eccentric disks, allows the friction wheels to engage or disengage with the rear wheels of the transport wheelchair.

The wheelchair includes a pair of body frames and, wheels, cross bars, and a seating portion. The wheels are supported rotatably with respect to the pair of body frames by the pair of body frames. The cross bars are provided so as to extend in the Y-direction across the pair of body frames. The seating portion is attached to the pair of body frames and is the portion on which the wheelchair user sits. In the wheelchair, the body frame and the body frame are movable in the longitudinal direction of the cross bars, respectively. The distance between the body frame and the body frame can be changed by moving the body frames in the longitudinal direction of the cross bars.

A mobility assistive device includes a first frame including a first support and a first wheel, a second frame including a second support and second wheels, and a connecting structure including first connecting boards connected to the first support. The second support includes a supporting rod and abutting portions. Each first connecting board has a slot for being engaged with the supporting rod, an abutting surface for abutting against the abutting portions, and a perforation. Each positioning member is disposed on one the second support, and includes a positioning portion. When the slots are engaged with the supporting rod and the abutting surfaces are abutted against the abutting portions, the positioning portions are movable between a locked position and a released position. When in the locked position, the positioning portions are inserted into the perforations. When in the released position, the positioning portions are drew out from the perforations.

A wheelchair for transferring a patient to an automobile is disclosed that comprises: a base assembly; a first motor, a second motor, and a third motor connected to the base assembly; the first motor is configured to move the wheelchair around during a normal operating mode, the second motor is configured to provide stability to the wheelchair during a patient transferring mode; and a seating assembly having a fixed seat section and a movable seat section which are separated from each other during the patient transferring mode.

An electrical power assistance device designed to be removably coupled to existing transport wheelchairs to provide electric power to aid in transportation of a person sitting in the wheelchair, while being detachable to allow the transport chair to fold up for easy storage in a car or other vehicle. The electrical power assistance device includes a motor powered by a rechargeable battery, where the motor drives an internal shaft which rotates a pair of friction wheels. A clutch, provided on a separate axle coupled to the friction wheels by eccentric disks, allows the friction wheels to engage or disengage with the rear wheels of the transport wheelchair.

The present invention relates to a wheelchair brake assembly comprising a seat brake system and a wheel frame brake system. The seat brake system and the wheel frame brake system are separable from each other. The seat brake system comprises a caregiver brake lever and an actuating member, the caregiver brake lever being coupled to the actuating member. The wheel frame brake system comprises a brake transmission assembly, a first brake mechanism and a second brake mechanism which are adapted to be provided on a first wheel and a second wheel of the wheelchair respectively. The brake transmission assembly is coupled to the first brake mechanism and the second brake mechanism. The brake transmission assembly comprises an actuating lever having a first free end and a second end. The second end is coupled to the first brake mechanism and the second brake mechanism. The actuating lever is rotatable about an axis perpendicular to the longitudinal extension of the actuating lever and located between the first free end and the second end of the actuating lever, wherein the actuating member is adapted to operate on the first free end of the actuating lever to cause the actuating lever to rotate.

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 method of controlling a motorized wheelchair including a seat frame supporting a seat, a back frame to which the seat frame is detachably connected, a first main wheel and a second main wheel respectively installed at both lower ends of the back frame, an inclination detecting sensor which detects an inclination, and a controller which controls the main wheel and the second main wheel, includes receiving an input for a turning operation, calculating an inclination angle of a running ground by the inclination detecting sensor, and determining whether the inclination angle is greater than a reference angle.

A method of controlling a motorized wheelchair according to an embodiment, the motorized wheelchair including a seat frame provided with a seat for seating of a user, a back frame provided with a backrest for supporting the user's back and detachably connected to the seat frame, and main wheels connected to a lower end of the back frame, may include inputting a reverse command to an input unit, outputting an image photographed by a rear camera installed in the back frame to an output unit, detecting, by a rear height difference sensor installed in bottom of the back frame, a height difference in the ground, determining whether the height difference detected by the rear height difference sensor is larger than or equal to a preset reference height difference, performing an emergency braking defined as activating a brake of the main wheels when the detected height difference is larger than or equal to the reference height difference, and outputting a warning about the detected height difference to the output unit.

Disclosed herein is a method of controlling a motorized wheelchair, the motorized wheelchair including a seat frame supporting a seat, a back frame to which the seat frame is detachably connected, a first main wheel and a second main wheel respectively installed at both lower ends of the back frame, an inclination detecting sensor which detects an inclination, and a controller which controls the main wheel and the second main wheel, the method includes receiving an input for a turning operation, calculating an inclination angle of a running ground by the inclination detecting sensor, and determining whether the inclination angle is greater than a reference angle.