PROBLEM TO BE SOLVED: To obtain a posture holding tool capable of appropriately reducing loads to be applied to upper arm parts of an operator in the posture holding tool which is worn and used by the operator.SOLUTION: A posture holding tool comprises: body parts 2, 4 which are attached to the back part or the shoulder parts of an operator and arm parts 5, 6 which are supported around right and left axes P1 of the body parts 2, 4 to be swung vertically and extended forward along upper arm parts of the operator. The arm parts 5, 6 are provided with: attachment parts 27, 29 which are attached to the upper arm parts of the operator and lower receiving parts 37 which receive the elbow parts of the operator from the bottom and support them. The posture holding tool comprises a support mechanism which can be freely switched between an allowable state for allowing a movement of the arm parts 5, 6 accompanying a movement of the upper arm parts of the operator attached to the arm parts 5, 6, and a support state for supporting the arm parts 5, 6 at desired positions with respect to the body parts 2, 4.COPYRIGHT: (C)2014,JPO&INPIT【課題】作業者が装着して使用する姿勢保持具において、作業者の上腕部に掛かる負荷を適切に軽減することができる姿勢保持具を得る。【解決手段】作業者の背中部又は肩部に取り付けられる本体部2,4と、本体部2,4の左右軸芯P1周りに上下に揺動自在に支持され作業者の上腕部に沿って前方に延出されるアーム部5,6とを備える。アーム部5,6に、作業者の上腕部に取り付けられる取付部27,29と、作業者の肘部を下から受け止めて支持する下受け部37とを備える。アーム部5,6に取り付けられた作業者の上腕部の動作に伴うアーム部5,6の動作を許容する許容状態と、本体部2,4に対してアーム部5,6を所望の位置で支持する支持状態とに切換自在な支持機構を備える。【選択図】図3
