Patent ID: 9114049
Filing Date: 2015-08-25
Classification: A61G

Abstract:
1. A motorized rotatable platform for a wheelchair comprising: a stationary bottom plate; a rotatable top plate supported by a central conical bearing assembly and a circular ring thrust bearing, wherein rotation of said top plate is accomplished by an electric motor/gearbox assembly top-mounted at a front center position on said top plate wherein said electric motor rotates a small sprocket integrated with said motor/gearbox assembly and residing between said bottom plate and said top plate, but not attached to said bottom plate; wherein said small sprocket drives a drive chain which also engages a large sprocket, said large sprocket being fastened securely to said bottom plate and wherein said electric motor/gearbox assembly is mounted onto said top plate through a slotted flange to permit tensioning of said drive chain, and wherein said motor is capable of being connected to and controlled by a chin controller or other joystick-type control; and a latch capable of locking a wheelchair to said rotatable top plate wherein said latch comprises: wherein said locking of said wheelchair is capable of being performed independently by a user of said wheelchair.