| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of conventionally suggested power assisted stair lifting vehicles which have a difficulty in climbing run ability and need a help by a caretaker with his/her back toward the climbing stair direction when climbing the vehicle up. Ž<P>SOLUTION: A wheel-type power assisted stair lifting vehicle provided with the self-control stair climbing ability of a high degree of ground-contact adhesion is achieved by a double planetary gear mechanism drive unit 6 of an original structure, which enables revolution stair climbing through drive wheel revolution arms (the second carrier) 22 accompanied with the rotation of drive wheels 8. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
