Patent ID: 8083702

Claim:
A walking assistance device comprising: a load transmitting assembly; a foot-mounted assembly to be attached to a foot of a user; and a leg link between the load transmitting assembly and the foot-mounted assembly, wherein the leg link comprises an upper first link member connected to the load transmitting assembly through an intermediary of a first joint assembly, a lower second link member connected to the foot-mounted assembly through an intermediary of a second joint assembly, and an intermediate third joint assembly which bendably connects the upper first link member and the lower second link member, a force generated in the leg link by driving the intermediate third joint assembly is transmitted to a body trunk of the user through an intermediary of the load transmitting assembly, and the intermediate third joint assembly comprises a joint link member provided between the upper first link member and the lower second link member, a first link member joint which bendably connects the joint link member and the upper first link member at an upper end portion of the joint link member, and a second link member joint which bendably connects the joint link member and the lower second link member at a lower end portion of the joint link member, the upper first link member and the lower second link member being set apart from one another by the length of the joint link member.