Patent ID: 8002719

Claim:
A walking assisting device comprising a load transfer portion and a leg link connected to the load transfer portion via a first joint in such a way as to be swingable in a forward and backward direction, in which at least a part of a user's weight is supported by the leg link via the load transfer portion, the leg link including a freely bending and stretching link having a second joint midway in a vertical direction, with a foot attachment portion configured to be attached to a user's foot being connected to a lower end of the leg link via a third joint, and the leg link being formed in such a length that it is bent with the second joint projecting forward or backward of a reference line when the user is standing upright, where the reference line is defined as a line connecting a forward/backward swing fulcrum of the leg link in the first joint to the third joint; wherein the leg link is provided with an overhanging portion which projects on a side opposite to the second joint in the forward and backward direction relative to the reference line, with a weight member mounted on the overhanging portion, the weight member includes a driving source for the second joint and a driving force generated by the driving source is transmitted to the second joint via a driving force transmission means, and the driving force transmission means includes a wire transmission mechanism with a wire between the second joint and the driving source.