PROBLEM TO BE SOLVED: To provide a work-assisting tool for grape cultivation or the like, having a structure suitably giving a biasing force for lifting the arms of a worker and a biasing force for supporting the neck portion.SOLUTION: This work-assisting tool for the grape cultivation or the like, which can bias at least one arm of the worker by an elastic force to support the arm in a lifted state is characterized by comprising a body-fixing portion 10 mounted on the body of the worker, arm-receiving portions 20 which are portions for receiving and supporting the arms of the worker, and a long elastic member 30 which is formed from a shape memory alloy having an ultra-elastic characteristic in a long shape, whose lower end side 31 is fixed to the body-fixing portion 10, whose upper end portion 32 is fixed to the arm-receiving portion 20, and which is disposed between the body-fixing portion 10 and the arm-receiving portions 20.COPYRIGHT: (C)2009,JPO&INPIT【課題】作業者の腕を上げるための付勢力及び首部を支持するための付勢力が適切に得られる構造のブドウ栽培等の作業補助具を提供すること。【解決手段】作業者の少なくとも一方の腕を、弾性力によって付勢することで上方へ上げた状態に支持するブドウ栽培等の作業補助具において、作業者の胴体に装着される胴体固定部10と、作業者の腕を受けて支持する部分である腕受部20と、超弾性の特性を備える形状記憶合金によって長尺状に形成され、下端側31が胴体固定部10に固定される共に、上端側32が腕受部20に固定されることで、胴体固定部10と腕受部20との間に配される長尺状弾性部材30とを具備する。【選択図】図1
