| 摘要 |
PROBLEM TO BE SOLVED: To provide a knee joint structure of artificial limb, which is excellent in stability when grounding a heel and smoothly parting toe tips from the ground and brings a good walking form. SOLUTION: This is a knee joint structure of artificial limb with a five joint link mechanism and has a link mechanism comprising five joints of an upper link 1 to which the thigh support part 10 of an artificial limb is fixed, a lower link 4 to which the foot part 11 of the artificial limb is connected, a rear link 5 which connects the upper link 1 and the lower link 4, a main front link 2 which is connected to the front of the upper link 1, and a sub-front link 3 which connects the main front link 2 and the lower link 4. The structure is equipped with an elastic body 8 which widens the angle between the sub-front link 3 and the lower link 4.
|
