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31. 发明授权

US4475136A Device for positioning objects which have a low mass 失效
标题翻译：用于定位质量低的物体的装置
公开(公告)号：US4475136A
公开(公告)日：1984-10-02
申请号：US400048
申请日：1982-07-20
申请人： Klaus Manzke , Ernst-Juergen Grittmann , Volker Koch
发明人： Klaus Manzke , Ernst-Juergen Grittmann , Volker Koch
IPC分类号： G05D3/12 , G11B5/55 , G11B21/02
CPC分类号： G11B5/5521 , G11B21/02
摘要： A device for positioning objects which have a low mass, especially for positioning magnetic heads over preselected magnetic tracks on at least one magnetic disk, which can be coupled to a drive, in a memory processing unit, in which a carriage, which is capable of being moved toward and away from the axis of rotation of the magnetic disk, carries at least one magnetic head, this carriage being so mounted between guide elements that it can be displaced by a drive motor longitudinally with respect to the chassis of the unit, wherein the guide elements, in particular pairs of anti-friction bearings, engage either side of the carriage, at least one of the pairs of anti-friction bearings being gimbal-mounted in order to counteract any tilting moments which may act on the carriage. The device advantageously includes a band-type drive mechanism for displacing the carriage, comprising a rotatable cylindrical member around which the band means is wound and which may serve as an additional bearing element. The novel device can be used with advantage in any type of positioning system, especially in any type of system for storing video signals, data signals, audio signals or control signals and having high track densities.
摘要翻译：一种用于定位具有低质量的物体的装置，特别是用于将磁头定位在可以耦合到驱动器的至少一个磁盘上的预选磁道上，该存储器处理单元中的磁头能够朝向和远离磁盘的旋转轴线移动至少一个磁头，该滑架安装在引导元件之间，驱动马达可相对于该单元的底盘纵向移动，其中引导元件，特别是成对的抗摩擦轴承接合托架的任一侧，至少一对摩擦轴承是万向架安装的，以便抵消可能作用在托架上的任何倾转力矩。该装置有利地包括用于移动托架的带式驱动机构，该带状驱动机构包括可旋转的圆柱形构件，带状装置围绕该圆筒构件缠绕，并且可以用作附加的轴承元件。特别是在用于存储视频信号，数据信号，音频信号或控制信号以及具有高磁道密度的任何类型的系统中，该新型装置可以有利地用于任何类型的定位系统。

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