PROBLEM TO BE SOLVED: To provide a fixing mechanism contributing to downsizing and weight-saving of a device.SOLUTION: A fixing mechanism includes: a hollow body with a hole a pipe body that is inserted into the hollow body, and whose insertion position freely changes a plurality of pins each inserted into a plurality of open holes penetrating a wall of the pipe body in mutually different directions in a view from inside of the pipe body, and including a magnet a wedge member detachably inserted into gaps between the respective pins to separate the plurality of pins from each other, and configured to push the respective pins against an inner wall of the hole and a drive member configured to drive the wedge member, and detachably inserted into the gaps between the respective pins.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2018,JPO&INPIT【課題】装置の小型化や軽量化に寄与する固定機構を提供する。【解決手段】穴が空いた中空体と、上記中空体の穴に挿入され、挿入位置が変更自在な管体と、上記管体の内側から見て互いに異なる向きに該管体の壁を貫通した複数の貫通孔にそれぞれ挿入された、磁石を内蔵した複数のピンと、上記複数のピンの相互間に挿抜自在に挿入されることでそれら複数のピンを互いに離間させて各ピンを上記穴の内壁に押し付ける楔部材と、上記楔部材を駆動して上記複数のピンの相互間に挿抜する駆動部材と、を備える。【選択図】図6
