Patent ID: 7434815

Claim:
A stair climbing wheelchair carrier comprising: a crawler drive unit with a motor-driven crawler device that travels up and down stairs; and a carrying unit on which a front-facing wheelchair is mounted in a tilted back position, wherein said carrying unit includes: a carrier main frame whose position is adjustable up and down relative to said crawler drive unit; anchor means for securely holding a back of said wheelchair set in a wheelchair mounting position on said carrier main frame; and holding and moving means for holding said wheelchair on a ground in a front part of said crawler drive unit and for moving the wheelchair to said wheelchair mounting position that is in a rear part of said crawler drive unit as said wheelchair is tilted backward, and wherein the holding and moving means includes: a projecting holder protruding forward to fit into a female coupler on the wheelchair; a slider mounted on said carrier main frame such as to be slidable back and forth, a base part of said projecting holder being pivoted at a distal end of the slider; and a linkage mechanism that changes an angle of said projecting holder as said slider slides back and forth for directing said projecting holder horizontally at a front end position of the slider, and diagonally upwards at a rear end position.