PROBLEM TO BE SOLVED: To provide a movement assisting device capable of reducing a load to a user due to mass of an actuator.SOLUTION: A movement assisting device includes: a mounting fixture attached to a human body of a user, and having a joint part for connecting a first member and a second member in a relatively rotatable manner an actuator for relatively rotating the first member and the second member a control device for performing drive control of the actuator and a battery device for charging electric power to be supplied to the actuator. At least the actuator is attachable to and detachable from the mounting fixture, and the mounting fixture has a holding part for holding the actuator.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2018,JPO&INPIT【課題】アクチュエータの質量によるユーザへの負荷を軽減可能な動作補助装置を提供する。【解決手段】動作補助装置は、ユーザの人体に装着され、第1の部材及び第2の部材を相対回転可能に連結する関節部を有する装着具と、第1の部材及び第2の部材を相対回転させるアクチュエータと、アクチュエータの駆動制御を行う制御装置と、アクチュエータに供給される電力を蓄電するバッテリ装置と、を備え、少なくともアクチュエータが装着具に対して脱着可能であり、装着具は、アクチュエータを保持する保持部を有する。【選択図】図5
