| 摘要 |
Walker of the kind that comprises an arm support (2) journalled in a base (3) provided with wheels (4), the arm support being adjustable vertically relative to the base. According to the invention the arm support is connected to the base (3) over a controllable raise/lower device (5), which, in a deactivated state, locks the arm support vertically relative to the base, but which, in an activated state, exerts a force on the arm support, which force urges to raise the arm support relative to the base. |
