公开(公告)号：US20040000208A1

公开(公告)日：2004-01-01

申请号：US10600453

申请日：2003-06-23

申请人： THK CO., LTD.

发明人： Hidekazu Michioka ,  Yasuyuki Abe

IPC分类号： F16H025/22

CPC分类号： F16C29/0642 ,  F16C29/0609 ,  F16C29/0695 ,  F16C33/3706 ,  F16H25/2219 ,  F16H25/2223 ,  F16H25/2238 ,  Y10T74/19767 ,  Y10T74/19777

摘要： A ball screw comprises a screw shaft, a nut assembled with the screw shaft, a number of balls disposed in the ball rolling passage formed by a ball rolling groove formed to the screw shaft and a loaded ball rolling groove formed to the nut, a number of spacers disposed between the balls in the ball rolling passage, and a circulation member for circulating the balls and spacers in accordance with a relative motion of the nut with respect to the screw shaft. The circulation member is provided with a scoop-up groove for scooping the balls, when contacting the ball rolling in the ball rolling passage, at both side edge portions of the scoop-up groove and is also provided with a spacer scoop-up portion which contacts and scoops the spacer moving in the ball rolling passage without contacting the balls. Such circulation member will be preferably utilized for a motion guide device such as linear motion guide or spline shaft.

摘要翻译： 滚珠丝杠包括螺杆轴，与螺杆轴组装的螺母，设置在由滚珠形成的滚珠滚道形成的滚珠滚动通道中的多个滚珠和形成在螺母上的加载滚珠滚动槽， 设置在球滚动通道中的球之间的间隔件，以及循环构件，用于根据螺母相对于螺杆轴的相对运动使球和间隔件循环。 循环构件设置有用于舀取滚珠的铲斗，当与滚珠滚动通道中滚动的滚珠接触在舀起槽的两个侧边缘部分时，还设置有间隔件舀起部分， 接触和舀出间隔件在滚动通道中移动而不接触球。 这种循环构件将优选地用于诸如直线运动引导件或花键轴的运动引导装置。

公开(公告)号：US20030035600A1

公开(公告)日：2003-02-20

申请号：US10212093

申请日：2002-08-06

申请人： THK CO., LTD.

发明人： Hidekazu Michioka ,  Katsuya Iida ,  Tomozumi Murata ,  Yoshiyuki Honjyo

IPC分类号： F16C029/06

CPC分类号： F16C29/065 ,  F16C33/3706 ,  F16C33/3825 ,  F16C33/506 ,  F16C33/56 ,  F16H25/2214 ,  F16H25/2238 ,  Y10T74/19749 ,  Y10T74/19777

摘要： A rolling element interference preventer for a guide device prevents a number of rolling elements rolling at regular intervals in a continuous circulation path of the guide device from interfering with each other. The rolling element interference preventer is formed of a thermoplastic resin elastomer having a physical property in accordance with an expression, (AnullB)nullCnull18, where A represents a 10% elongation stress, B represents a tensile strength, and C represents a bending modulus of elasticity.

摘要翻译： 用于引导装置的滚动元件防干器防止在引导装置的连续循环路径中以规则间隔滚动的多个滚动元件彼此干涉。 滚动体防干器由具有根据表达式（AxB）÷C> = 18的物理性质的热塑性树脂弹性体形成，其中A表示10％的伸长应力，B表示拉伸强度，C表示 弯曲弹性模量。

公开(公告)号：US20020062705A1

公开(公告)日：2002-05-30

申请号：US09990332

申请日：2001-11-23

申请人： THK CO., LTD.

发明人： Hidekazu Michioka ,  Katsuya IIda ,  Tetsuhiro Nishide

IPC分类号： F16H025/22 ,  F16J015/16

CPC分类号： F16J15/26 ,  F16H25/2204 ,  F16H25/2418 ,  Y10T74/18712 ,  Y10T74/19749

摘要： A wiper ring to be applied to a nut of a ball screw having a screw shaft comprises a plurality of segments each constituted as independent element having a seal portion to be contacted to the screw shaft, support pins extending in an axial direction of the screw shaft so as to correspond to the segments, respectively, the segments being arranged in a circumferential direction of the screw shaft to be rotatable about the pins, the pins being connected to each other through support members so as to limit the relative movement of the respective pins, and a spring member for urging the segments arranged circumferential direction of the screw shaft so as to be directed towards radially central side of the screw shaft.

摘要翻译： 应用于具有螺纹轴的滚珠丝杠的螺母的擦拭环包括多个段，每个段均构成独立的元件，其具有与螺纹轴接触的密封部分，沿着螺杆轴的轴向方向延伸的支撑销 分别对应于所述段，所述段沿所述螺杆轴的圆周方向布置以能够绕所述销旋转，所述销通过支撑构件彼此连接，以限制各个销的相对运动 以及弹簧构件，用于将螺旋轴的圆周方向的节段推压以指向螺杆轴的径向中心侧。

公开(公告)号：US20020028030A1

公开(公告)日：2002-03-07

申请号：US09988282

申请日：2001-11-19

申请人： THK Co., Ltd.

发明人： Hidekazu Michioka ,  Hiroaki Mochizuki ,  Kaoru Hoshide ,  Minoru Kouchi

IPC分类号： F16C029/06

CPC分类号： F16C29/0642 ,  F16C19/362 ,  F16C29/001 ,  F16C29/005 ,  F16C29/007 ,  F16C29/008 ,  F16C29/0633 ,  F16C29/0647 ,  F16L29/00

摘要： The present invention offers a universal guide device capable of using the sliders of conventional straight guide devices intact. The universal guide device does not need a different slider for each different radius of track rail. The universal guide device can be manufactured at lower cost than heretofore. This universal guide device in accordance with the invention comprises a track rail and sliders mounted to the rail via balls circulating through endless circular paths. The rail has at least one straight region and at least one curved region shaped in an arc with a given radius of curvature. Each of the sliders is of saddlelike cross section. The sliders span the rail. The sliders have ball-rolling surfaces shaped linearly. The curved region of the rail is set narrower than the straight region of the rail.