×

Powered wheelchair

  • US 8,280,561 B2
  • Filed: 09/09/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 09/09/2008
  • Status: Expired due to Fees
First Claim
Patent Images

1. A powered wheel chair device, comprising:

  • a motorized undercarriage;

    a support seat for supporting a wheelchair occupantat least one support arm located adjacent the seat,a controller mounted on the arm, the controller including a joystick unit within reach of the occupant, the joystick being in communication with the motorized undercarriage for driving the undercarriage, the joystick including a collar having a periphery with a number of abutment regions located therealong;

    obstacle detecting sensors peripherally positioned on the wheel chair; and

    a number of actuators mounted relative to the collar and movable between a storage position distal to a corresponding abutment region and a deployed position adjacent the corresponding abutment region, each actuator being deployed responsive to a corresponding obstacle detecting sensor positioned near a corresponding peripheral region of the wheel chair for inhibiting travel of the joystick in a direction of an obstacle sensed by the corresponding sensor.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×