| 摘要 |
The crutch (1) has a handle (11) at its upper end and a yoke (10) to support the arm of the user (U), with an extending tubular upright. The upright has a support at its lower end having at least three foldable feet (6) and a control (31,32) for the feet actuated by the user from an area adjacent to the hand grip. The upright can have a first tube (12) fixed to the handle and a second tube (2) sliding in the first and carrying the actuator for the feet.
|
