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1. 发明申请

WO1994001862A1 PANTOGRAPHIC MOUNT FOR A MAGNETIC TRANSDUCING HEAD 审中-公开
标题翻译：用于磁性传感头的圆盘安装
公开(公告)号：WO1994001862A1
公开(公告)日：1994-01-20
申请号：PCT/US1993006295
申请日：1993-07-01
申请人： AMPEX SYSTEMS CORPORATION
发明人： AMPEX SYSTEMS CORPORATION , MAGNUSSON, Steven, L. , LUBIN, James, K.
IPC分类号： G11B05/588
CPC分类号： G11B5/588 , G11B5/53 , G11B5/534
摘要： A flexural pantographic mount for use in a helical scan magnetic tape transport employing a closed loop servo system having a specified frequency bandwidth is disclosed. The mount is a boxed leaf stiffened flexural pantograph mount, for holding and varying the position of a moveable head in a helical scan automatic scan tracking magnetic tape transport. The mount exhibits an acceptably low primary mode stiffness and a suitably increased higher order mode stiffness with increased resistance to torsional stresses and is adapted for use in a magnetic tape transport employing a closed loop servo system having a specified frequency bandwidth. The mount includes a moveable body such as a magnetic transducing head assembly coupled at one end of first and second parallel spaced apart elongated flexible flexural pantographic leaves configured at the opposite free ends thereof for attachment to a fixed body. Each leaf includes first and second integrally formed and bent leaf edge extensions, which act as side stiffeners. A triangularly configured opening and a trapezoidally configured opening are formed in each leaf with each opening being configured to include tab projections for bending into the opening to provide transverse or lateral stiffening. An auxiliary web-like stiffening member is added to each leaf in the space therebetween, each auxiliary stiffener being separately formed and configured for attachment to the respective leaf to the side stiffeners and the tab projections of the openings to form a box-like cross-sectional configuration in conjunction with the side leaf edge extensions. The main body portion of each leaf and the edge extensions of the auxiliary stiffeners are configured, dimensioned and arranged for connection to one another in both the longitudinal and transverse directions. The openings are formed in each leaf at locations such that the flexing surface of the leaves, at the connection to the fixed body and at the connection to the moveable body, are smaller width strap sections, substantially less than the width of the corresponding portion of the leaf.
摘要翻译：公开了一种用于采用具有指定频率带宽的闭环伺服系统的螺旋扫描磁带传输中的弯曲式集合式安装座。该安装座是一个装箱的叶片加强的弯曲伸缩式托架，用于在螺旋扫描自动扫描跟踪磁带传输中保持和改变可移动头部的位置。安装座具有可接受的低初级刚度和适当增加的高阶模量刚度，并且具有增加的抗扭转应力，并适用于采用具有指定频率带宽的闭环伺服系统的磁带传输。安装座包括一个可移动的主体，例如在第一和第二平行间隔开的细长柔性弯曲集合叶片的一端处连接的磁性传感头组件，其在相对的自由端配置，用于固定到固定体上。每个叶片包括第一和第二整体形成和弯曲的叶缘延伸部，其作为侧加强件。在每个叶片中形成三角形构造的开口和梯形构造的开口，每个开口构造成包括用于弯曲到开口中的突出部分以提供横向或横向加强。在它们之间的空间中的每个叶片上添加辅助的网状加强构件，每个辅助加强件被单独地形成并且构造成用于附接到相应的叶片到侧面加强件和开口的翼片突起，以形成盒状横截面，结合侧叶边缘延伸部分的剖面结构。每个叶片的主体部分和辅助加强件的边缘延伸部构造成尺寸和布置成在纵向和横向方向上彼此连接。这些开口形成在每个叶片的位置处，使得叶片的弯曲表面在与固定体的连接处和与可移动体的连接处是较小的宽度带部分，基本上小于相应部分的宽度叶子。

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