Stair climbing device
Step-climbing wheel chair
Stair-climbing apparatus for wheelchair
ApplicationNo. 490600 filed on 05/21/1990
US Classes:180/8.2, Step or abutment ascending/desending type vehicle180/282, Responsive to sensing of acceleration, deceleration, or tilt of vehicle180/907, MOTORIZED WHEELCHAIRS280/5.22With endless track
ExaminersPrimary: Spar, Robert J.
Assistant: Katz, Robert S.
Attorney, Agent or Firm
Foreign Patent References
International ClassB62B 005/02
Foreign Application Priority Data1988-07-28 FR
AbstractAn apparatus for handling heavy loads, such as a wheelchair for the handicapped, wherein a raising/lowering device is equipped with an inclination sensor cooperating with a safety device for stopping the device if a predetermined inclination is exceeded.