Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2006-06-06
2006-06-06
Phan, Hau (Department: 3618)
Land vehicles
Wheeled
Occupant propelled type
C280S304100, C280S649000, C297SDIG010
Reexamination Certificate
active
07055840
ABSTRACT:
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.
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Phan Hau
Porter André J.
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