PROBLEM TO BE SOLVED: To provide an operation assisting device which does not need an actuator to generate an assist force, and can shut off the assist function even in the condition that a user wears the device.SOLUTION: The operation assisting device includes: a spine unit 2 that is formed by connecting two or more spine members 3 mutually rockable and to be worn on a users back and an elastic member 7 that can be switched between an operative condition in which a restorative force is generated when the user is in a bent-over position and an inoperative condition in which the restorative force is not generated, and that can be mounted on the spine unit 2.COPYRIGHT: (C)2012,JPO&INPIT【課題】アシスト力を発生させるためのアクチュエータが不要で、利用者が装着している状態においてもアシスト機能の遮断が可能な動作アシスト装置を提供する。【解決手段】互いに揺動可能な複数の背骨部材3を連結してなり、利用者の背中に装着される背骨ユニット2と、利用者の前屈姿勢時に復元力を発生させる作用状態と復元力を発生させない非作用状態とに切り換え可能で、背骨ユニット2に取り付け可能な弾性部材7と、を備えた。【選択図】図1
