PROBLEM TO BE SOLVED: To provide a retractor which has a simple structure without installing an opening and closing mechanism, and can open plate-shape rod members in a fan shape.SOLUTION: A retractor comprises: a plurality of plate-shape rod members 2a-2c which are laminated in a plate thickness direction and a storage cylinder part 3 which stores the plate-shape rod members 2a-2c so that their tips can freely project. The plate-shape rod members 2a-2c are provided with twisted parts 21a-21c which are twisted in the same direction by 90° about their longitudinal direction as an axis. The plate-shaped rod members 2b, 2c are provided with bent pars 22b, 22c, which are located closer to base end sides than the twisted parts 21b, 21c and bent in a width direction of the tips 23a-23c, so that when the tips 23a-23c of the plurality of plate-shaped rod members 2a-2c are projected from the storage cylinder part 3, the tips 23a-23c are expanded in a width direction of the plate-shaped rod members 2a-2c to form a fan shape. By storing the tips 23a-23c in the storage cylinder part 3, the tips 23a-23c having been expanded in the fan shape are laminated by elastic deformation of the bent parts 22b, 22c and stored in the storage cylinder part 3.COPYRIGHT: (C)2014,JPO&INPIT【課題】開閉機構を設けることなく構造が簡単で、且つ板状棒部材を扇形状に開くことができる圧排器具を提供する。【解決手段】板厚方向に積層された複数の板状棒部材2a~2cと、先端を突出自在に板状棒部材2a~2cを収納する収納筒部3とを備え、板状棒部材2a~2cには、長手方向を軸に同一方向に90°捩られた捩れ部21a~21cが設けられ、複数の板状棒部材2a~2cの先端部23a~23cが収納筒部3から突出したときに、板状棒部材2a~2cの幅方向に広がって扇形状となるように、板状棒部材2b,2cには、捩れ部21b,21cよりも基端側に位置させて先端部23a~23cの幅方向に屈曲する屈曲部22b,22cが設けられ、先端部23a~23cを収納筒部3に収納することにより、扇形状に広がっていた先端部23a~23cが屈曲部22b,22cの弾性変形で積層した状態で収納筒部3に収納される。【選択図】図1
