Also called a three-dimensional link device. A link device that moves in three dimensions. The axes of the pins converge at one point, and the movement of the links can be analytically treated as movement on a sphere. Spherical link devices, especially those consisting of three links with a central angle of 90°, are used in practical applications. Hook's universal joint and the oscillating mechanism of ceiling fans in trains are examples of its applications. Source : Heibonsha Encyclopedia About MyPedia Information |
立体リンク装置とも。3次元的な空間運動を行うリンク装置。ピンの軸線が一点に集まり,リンクの運動を球面上の運動として解析的に扱える球面リンク装置,特に中心角90°のリンク3個からなるものが実用とされる。フックの自在継手や,電車内の天井扇風機の首振り機構はその応用例。
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