| 摘要 |
PROBLEM TO BE SOLVED: To provide a lumbar burden reducing tool that automatically releases tension of tension transmission strings during upright walking to enable natural walking, and generates support moment to a lumbar part when stopping walking and starting a forward-bending work again.SOLUTION: In a lumbar burden reducing tool, a pair of swing arms (22a, 22b) is pivotally supported respectively in a center part of a frame (12) while having a gap interposed therebetween in the vertical direction. One of the upper and lower swing arms is set as a stopper arm (22b), which does not interfere in a case when the swing arms (22a, 22b) rotate in the same direction relative to each other, but interferes with the other swing arm (22a) when a body is bent forward to make the swing arms (22a, 22b) rotate in the opposite directions relative to each other, thereby preventing the swing arms (22a, 22b) from rotating in the opposite direction relative to each other. Further, when the body is made upright for walking, the interference is released so that the swing arms (22a, 22b) can be normally rotated or reversely rotated in the same direction.SELECTED DRAWING: Figure 1 |
