Lift wheelchair,申请号US20040990574-传众专利搜索

Lift wheelchair

申请公布号：US7055840(B1)

申请号：US20040990574

申请日期：2004.11.17

申请公布日期：2006.06.06

申请人：

KELSO THOMAS G

发明人：KELSO THOMAS G.

分类号：B62M1/14

主分类号：B62M1/14

摘要：A wheelchair that enables its occupant to lower and raise their self to and from the surface on which the wheelchair is resting so that the occupant may enter the wheelchair from the surface without the aid of another person, the wheelchair a lower support frame, a seat frame assembly vertically movable relative to the lower support frame, a lifting assembly connected to the lower support frame and to the seat frame assembly, a planar ramp rotatably connected to the seat frame, the planar ramp rotating to form an inclined plane relative to the plane of the seat frame, the planar ramp rotating to a vertical position relative to the horizontal seat beneath the horizontal seat when the seat frame assembly is at its highest vertical position, and a footrest rotatably, the footrest rotating to a horizontal position when the seat frame assembly is at its highest vertical position, the footrest rotating downward beneath the ramp when the seat frame assembly is at its lowest vertical position.