초록

A prosthetic apparatus is electrically operable by a user for lifting the user into standing position and lowering the user into a sitting position by power means operated by the user, the apparatus being a motorized wheelchair.

대표청구항 ▼

[ What is claimed is:] [1.] A prosthetic apparatus for positioning, moving and supporting a user in standing and seated positions, comprising:a base having ground wheels,a fixed member extending upwardly from the base, and a movable lift member disposed for movement relative to the fixed member,a me

[ What is claimed is:] [1.] A prosthetic apparatus for positioning, moving and supporting a user in standing and seated positions, comprising:a base having ground wheels,a fixed member extending upwardly from the base, and a movable lift member disposed for movement relative to the fixed member,a mechanical drive mechanism having interengaging components on the fixed member and movable lift member, said components comprising a lead screw for moving said movable lift member relative to the fixed member,a drive motor controllable by the user to operate said mechanical drive mechanism to urge the lift member relative to the fixed member,a seat having front and rear edge portions, said rear edge portion being pivotally mounted relative to the movable lift member,at least one strut pivotally connected with the seat front edge portion and pivotally connected with the fixed member for movement of the seat between an extended user-seated position and a retracted user-standing position, andan electrical controller operable by the user for moving the movable member and said seat between user-standing and user-seated positions, and for controlling movement of the apparatus by selective powering of certain of said ground wheels.