PROBLEM TO BE SOLVED: To provide a jack which can be transported along with a wheelchair and adapted to wheelchairs having various main wheel intervals.SOLUTION: The wheelchair jack includes: a fixation shaft 2 which is expandable or shrinkable in an axial direction with a turn buckle 4 or the like, and has an attachment part engagealbe with a nut or a bolt of a main wheel of the wheelchair at both end surfaces and a body 3 where bearing hole 8a, 9a for supporting the fixation shaft 2 are formed, and which has a portion receiving an outer force for stopping the movement of a fulcrum when a force moment is, as the fulcrum, added to one point located spaced from the bearing holes 8a, 9a as viewed from the fixation shaft 2.COPYRIGHT: (C)2013,JPO&INPIT【課題】車椅子に付随して運搬可能で、種々の主輪間隔の車椅子に適合するジャッキを提供する。【解決手段】ターンバックル4等により軸方向に伸縮可能で、車椅子の主輪のナット又はボルトと嵌合しうる取り付け部を両端面に有する固定軸2と、固定軸2を支持する軸受け孔8a、9aが形成され、固定軸2方向から眺めて軸受け孔8a、9aから離れた位置にある一点を支点として力のモーメントが加わるときに支点の移動を止めるための外力を受ける部分を有する本体3とを備えることを特徴とする。【選択図】図1
