| 摘要 |
This apparatus is a device for reeducation, support and aid for walking. It consists of a framework 1 resting on four wheels, of which two 4 are drive wheels, two notched levers 2, independent of each other, drive one or more ratcheted pulleys 15, which drive a helical gear with spaced teeth (toothed wheels 11 and 26), which makes the apparatus advance by one step, an automatic stop disc 12 blocks the advance, if the handicapped person pushes or stumbles, the apparatus only advances in single steps, the length of the steps can be adjusted almost instantaneously, a return system with counterweight or springs returns ratcheted pulleys 15 and levers 2 into the working position, depending on the handicap, the apparatus can be actuated with both arms, with two arms alternately, or with a single arm, the other being used as a support. <IMAGE>
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