PROBLEM TO BE SOLVED: To provide a body weight supporting device with a simple configuration, which can easily return a body to a posture of a power position necessary for preventing lumbago and from this posture.SOLUTION: A body weight supporting device for assisting a half-sitting posture of an operator comprises: a sole part 2 for putting a foot on a pair of connection parts 3a, 3b extended from both sides of the sole part 2 a calf receiving part 5 rotatably mounted through connection shaft parts 4a, 4b provided on the end parts of the connection parts 3a, 3b spring members 6a, 6b for energizing the calf receiving part 5 to a plantar flexion direction and stopper mechanisms 7a, 7b for stopping the calf receiving part 5, which is rotated by a dorsiflexion motion of a calf against an energizing force of the spring members, at a desired dorsiflexion angle. The spring members 6a, 6b accumulate the force given by the dorsiflexion motion of the calf and are mounted to the connection shaft parts 4a, 4b so as to give a rotation force in the plantar flexion direction to the calf receiving part 5.COPYRIGHT: (C)2015,JPO&INPIT【課題】 簡易な構成で、腰痛予防に必要なパワーポジションの姿勢とこの姿勢からの復帰が容易な体重支持装置を提供する。【解決手段】 作業者の中腰姿勢などを補助する体重支持装置1であって、足を載せる靴底部2と、この靴底部2の両側から延設する一対の連結部3a,3bと、これらの連結部3a,3bの端部に設けた連結軸部4a,4bを介して取り付けた回動自在な脛受け部5と、この脛受け部5を底屈方向に付勢するバネ部材6a,6bと、このバネ部材6a,6bの付勢力に抗して脛の背屈動作により回動する脛受け部5を所望な背屈角度で停止させるストッパ機構7a,7bからなる。バネ部材6a,6bは、脛の背屈動作により蓄勢され、脛受け部5に底屈方向の回転力を与えるべく連結軸部4a,4bに装着されている。【選択図】 図1
