To provide a rotation angle detection device suitable for rotation angle detection of a mast of a windsurf board, a yacht or the like.SOLUTION: A rotation angle detection device 40 comprises: a plurality of portions to be detected arranged along a circumferential direction around the mast rotation axis, plurality of portions being attached or formed on either one of a connection member 3 mounted on a deck or a board for sliding on water or the lower end of a mast 1b rotatably attached to the connecting member 3; and one or more detection parts each of which is configured to generate a first signal when facing to each of multiple parts to be detected in a direction of a mast rotation shaft, which may be attached or formed on the other side of connection member 3 and the lower end.SELECTED DRAWING: Figure 4B
【課題】ウインドサーフィンボードやヨット等におけるマストの回転角検出に好適な回転角検出装置を提供すること。【解決手段】水上を滑走可能なボード又はデッキ側に取り付けられる連結部材3、及び、連結部材3に回転可能に取り付けられるマスト1bにおける下端、のうちのいずれか一方に、取り付け可能であり又は設けられ、マスト回転軸まわりの周方向に沿って配置される複数の被検出部と、連結部材3及び下端のうちの他方に取り付け可能であり又は設けられ、マスト回転軸の方向で複数の被検出部のそれぞれと対向するときに第1信号を発生する1つ以上の検出部とを含む、回転角検出装置40が開示される。【選択図】図4B
ROTATION ANGLE DETECTION DEVICE
回転角検出装置
2019-04-18
Patent
Electronic Resource
Japanese