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1. 发明授权

US5001700A Disk clamp and centering apparatus for a beam addressable disk drive system 失效
标题翻译：用于光束可寻址磁盘驱动器系统的磁盘夹和定心装置
公开(公告)号：US5001700A
公开(公告)日：1991-03-19
申请号：US331421
申请日：1989-03-30
申请人： David L. Rowden , Patrick J. Champagne , Gary R. Clauson
发明人： David L. Rowden , Patrick J. Champagne , Gary R. Clauson
IPC分类号： G11B17/028
CPC分类号： G11B17/0282 , G11B17/0284
摘要： Apparatus for centering and clamping a disk on a spindle-drive is disclosed. A bistable magnetic clamp normally held in an axially offset position from the plane of the disk is preferentially drawn to a coupler washer on the spindle-drive when the spindle-drive and clamping device are relatively moved toward each other after the disk is inserted into the drive. To accommodate significant initial misalignment of the disk, as might typically occur with a cartridge mounted disk, in a very short throw clamping motion, a multi-frustrum centering member is used. The frustrum surface nearest the disk has a gradual slope assuring meshing of the centering member with the central aperture of the disk over a wide range of initial misalignment. Once the disk is coarsely centered, precision centering is achieved during the final clamping stage by the second frustrum surface which is at steep slope relative to the plane of the disk.
摘要翻译：公开了一种用于在盘驱动器上定心和夹紧盘的装置。当主轴驱动和夹紧装置在盘被插入到主轴驱动器之后相对移动时，通常保持在与盘的平面的轴向偏移位置的双稳态磁性夹具优先地被抽吸到主轴驱动器上的联接垫圈上驾驶。为了适应显着的初始未对准的磁盘，如通常以盒式磁盘安装的磁盘发生的那样，在非常短的投掷夹紧运动中，使用多楔形定中心构件。最靠近圆盘的隅面具有逐渐的坡度，确保定心构件与盘的中心孔在宽的初始失准范围内啮合。一旦盘被粗心居住，在最后夹紧阶段，通过相对于盘的平面处于陡峭的斜坡的第二台阶表面实现精确对中。

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