公开(公告)号：US20030138172A1

公开(公告)日：2003-07-24

申请号：US10292462

申请日：2002-11-13

Applicant: NSK LTD.

Inventor： Toshikazu Yabe ,  Hiroyuki Ito ,  Tuyoshi Saito ,  Toyohisa Yamamoto

IPC: F16C029/06 ,  F16H001/24

CPC classification number: F16C33/3706 ,  F16C19/20 ,  F16C29/06 ,  F16C29/0638 ,  F16C33/6607 ,  F16C33/6611 ,  F16C33/6648 ,  F16C2300/62 ,  F16C2380/18 ,  F16H25/2238 ,  F16H2025/2242 ,  Y10T74/19749 ,  Y10T74/19777

Abstract: A liner motion device has a liner motion element fitted on a shaft and moving straight along the shaft; a plurality of balls which are retained in a rolling element groove formed on the inner side of the liner motion element and roll over between the rolling element groove and the shaft; a separator interposed between the rolling elements; and, a circulating path formed in the liner motion element through which the rolling elements are circulated from one end of the rolling element groove to the other, wherein the separator is a product of a synthetic resin containing a lubricating oil in an amount of 3 to 25% by volume.

Abstract translation: 衬垫运动装置具有安装在轴上并且沿轴线直线移动的衬里运动元件; 保持在形成于所述衬里运动元件的内侧的滚动元件槽中并在所述滚动元件槽与所述轴之间滚动的多个滚珠; 介于所述滚动元件之间的隔板; 以及形成在所述衬里运动元件中的循环路径，所述滚动元件从所述滚动元件槽的一端向另一端循环，其中所述隔板是含有3〜 25％（体积）。