Patents Assigned to Datatran Inc.
  • Drive system for wheelchairs or the like
    Patent number: 5427193
    Abstract: A drive system, suitable for use as a self propelled wheel on a wheelchair or the like, includes a wheel which rotates about a stationary axle assembly. The torque producing electrical motor and the batteries which supply power therefor are mounted on and rotate with the wheel. Command signals are optically coupled from the frame on which the stationary axle is supported to the rotating wheel where they are employed to control the rotational speed and direction of rotation.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: June 27, 1995
    Assignee: Datatran Inc.
    Inventor: Emik A. Avakian