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1. 发明授权

US5165509A Bidirectional retaining clutch 失效
标题翻译：双向保持离合器
公开(公告)号：US5165509A
公开(公告)日：1992-11-24
申请号：US780039
申请日：1991-10-21
申请人： Hidenori Kanno , Yukihisa Kajiyama , Hisatoshi Iwai , Mashmichi Muroi
发明人： Hidenori Kanno , Yukihisa Kajiyama , Hisatoshi Iwai , Mashmichi Muroi
IPC分类号： F16D45/00 , E05F5/00 , F16D41/08
CPC分类号： F16D41/086 , Y10T16/54038
摘要： A bidirectional retaining clutch capable of stopping rotation of a rotated object such as a revolving shaft of a pivoted cover of a personal computer, a door sheave of a sliding door or the like in one direction at any desired position while keeping it freely rotatable, as well as ensuring free rotation of the rotated object in an opposite direction as desired when torque of a predetermined level or more is applied. An outer cylindrical structure arranged so as to rotated relative to a shaft includes a pair of roller positioning members each provided on an inner surface with roller receiving recesses of an elliptic shape. The rollers which are received in the recesses selectively move in the recesses so as to permit the shaft to be revolved relative to the outer cylindrical structure in one direction while preventing revolution of the shaft in an opposite direction. When torque of a predetermined level or more in the opposite direction is applied to the shaft, the rollers move in the recesses again to permit it to be rotated in the opposite direction.
摘要翻译：一种双向保持离合器，其能够在保持其自由旋转的同时在一个方向上将个人计算机的旋转盖的旋转轴，滑动门等的旋转轴旋转一个方向，同时保持其自由旋转，以及当施加预定水平或更高的扭矩时，确保所旋转的物体在相反方向上的自由旋转。布置为相对于轴旋转的外圆柱形结构包括一对辊定位构件，每个辊定位构件设置在具有椭圆形形状的滚子接收凹部的内表面上。容纳在凹部中的辊选择性地在凹部中移动，以便允许轴在一个方向上相对于外圆柱形结构旋转，同时防止轴沿相反方向旋转。当相反方向上的预定水平以上的扭矩施加到轴时，辊再次在凹部中移动，以允许其沿相反方向旋转。

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