PROBLEM TO BE SOLVED: To provide a standing-up action assisting device having such a weight installed to stabilize the device that does not disturb a standing-up action and assembly/disassembly operations of the device.SOLUTION: A standing-up action assisting device 1 includes: a base section 2 to make contact with a floor surface and a support section 3 that includes a handrail section 4 and that is installed vertically on the base section 2. In the assisting device 1, a weight 5 is installed on the backside of the base section 2.COPYRIGHT: (C)2013,JPO&INPIT【課題】立ち上がり補助具を安定させるために取り付けるおもりが、立ち上がり動作や、立ち上がり補助具の組立・分解作業の邪魔にならない立ち上がり動作補助具を提供する。【解決手段】床面と接するベース部2と、手摺部4を備えベース部2に立設された支柱部3と、を備える立ち上がり補助具1において、ベース部2の裏面におもり5を備えたものとした。【選択図】図1