公开(公告)号：US08016486B2

公开(公告)日：2011-09-13

申请号：US11660412

申请日：2005-08-23

申请人： Takeki Shirai ,  Katsuhito Imai ,  Shinji Izumi ,  Yuji Tachikake

发明人： Takeki Shirai ,  Katsuhito Imai ,  Shinji Izumi ,  Yuji Tachikake

IPC分类号： F16C29/06

CPC分类号： F16C29/063 ,  F16C29/0604 ,  F16C29/0611

摘要： A rolling guiding device makes it possible to easily provide a movement block with an endless circulation path for the balls. In one surface of a movement block opposed to a rolling groove of a raceway rail, there is formed a track groove through which balls makes an endless circulation. The track groove is includes a load straight-line groove which allows, between the track groove and the rolling groove of the raceway rail, the balls to roll while bearing a load. It also includes a pair of ball deflection grooves respectively provided at both ends of the load straight-line groove and adapted to release the balls having rolled through the straight-line groove from the load and to change their rolling direction, and a non-load straight-line groove for transferring the ball in a non-load state from one deflection groove to the other ball deflection groove.

摘要翻译： 滚动引导装置使得可以容易地为球提供具有循环循环路径的移动块。 在与轨道轨道的滚动槽相对的移动块的一个表面上形成有轨道槽，滚珠通过该槽形成循环。 轨道槽包括负载直线槽，其允许在轨道槽和滚道轨道的滚动槽之间滚动滚珠同时承受负载。 它还包括一对分别设置在负载直线槽的两端的球偏转槽，并且适于释放从负载中滚过直线槽的滚珠并改变它们的滚动方向，以及非负载 直线槽，用于将球以非负载状态从一个偏转槽转移到另一个球偏转槽。

公开(公告)号：US20080112656A1

公开(公告)日：2008-05-15

申请号：US11660412

申请日：2005-08-23

申请人： Takeki Shirai ,  Katsuhito Imai ,  Shinji Izumi ,  Yuji Tachikake

发明人： Takeki Shirai ,  Katsuhito Imai ,  Shinji Izumi ,  Yuji Tachikake

IPC分类号： F16C29/06

CPC分类号： F16C29/063 ,  F16C29/0604 ,  F16C29/0611

摘要： Provided is a rolling guiding device which makes it possible to easily provide a movement block with an endless circulation path for the balls even in a case of a small-sized rolling guiding device using balls of a relatively small diameter and which can be produced easily and at low cost. In one surface of a movement block (2) opposed to a rolling groove (13) of a raceway rail (1), there is formed a track groove (21) through which balls (3) makes an endless circulation. The track groove (21) is composed of: a load straight-line groove (22) which allows, between the track groove (21) and the rolling groove (13) of the raceway rail (1), the balls (3) to roll while bearing a load; a pair of ball deflection grooves (24) and (24) respectively provided at both ends of the load straight-line groove (22) and adapted to release the balls (3) having rolled through the straight-line groove (22) from the load and to change their rolling direction, causing the balls (3) to leave the rolling groove (13) of the raceway rail (1); and a non-load straight-line groove (23) for transferring the ball (3) in a non-load state from one deflection groove (24) to the other ball deflection groove (24).

摘要翻译： 提供一种滚动导引装置，即使在小型滚动导向装置的情况下也可以容易地提供具有滚珠循环路径的运动块，该滚动导向装置使用相对较小直径的球，并且可以容易地制造 以低成本。 在与轨道轨道（1）的滚动槽（13）相对的运动块（2）的一个表面上形成有滚珠（3）通过其循环循环的轨道槽（21）。 履带槽（21）由以下部件构成：负载直线槽（22），其能够在轨道槽（21）和轨道轨道（1）的滚动槽（13）之间，将球（3）〜 滚动同时承受负载; 分别设置在所述负载直线槽（22）的两端的一对球偏转槽（24）和（24），并且适于将从所述直线槽（22）滚过的所述滚珠（3）从所述直线槽 负载并改变其滚动方向，导致滚珠（3）离开滚道导轨（1）的滚动槽（13）。 以及用于将非球负载状态的球（3）从一个偏转槽（24）传递到另一个球偏转槽（24）的无负载直线槽（23）。

公开(公告)号：US08132477B2

公开(公告)日：2012-03-13

申请号：US12294810

申请日：2007-03-19

申请人： Takeki Shirai ,  Yuji Tachikake ,  Soshi Miyahara ,  Masahiko Yoshino ,  Takashi Sakuyama ,  Lina Teng ,  Tsutomu Togashi

发明人： Takeki Shirai ,  Yuji Tachikake ,  Soshi Miyahara ,  Masahiko Yoshino ,  Takashi Sakuyama ,  Lina Teng ,  Tsutomu Togashi

IPC分类号： F16H1/24 ,  F16H55/02

CPC分类号： F16H25/2214 ,  Y10T74/19749 ,  Y10T74/19767 ,  Y10T74/19772

摘要： A ball screw device having a novel ball circulation structure suitable for a screw shaft with a large lead, optimum for downsizing and weight saving of a nut member, capable of being manufactured at low cost, and capable of exhibiting high reliability even under severe use conditions. In a ball screw device where a screw shaft and a nut member are screwed to each other through an intermediation of a large number of balls, a no-load ball path which forms an infinite circulation path for the balls is constituted by a no-load ball groove spirally formed in an inner peripheral surface of a through-hole of the nut member and by a pair of direction change grooves which communicatively couple a load rolling groove and the no-load ball groove to each other so as to complete the infinite circulation path as a closed loop.

摘要翻译： 一种具有新颖的球形循环结构的滚珠丝杠装置，其适用于具有大引线的螺杆轴，最适于螺母部件的小型化和重量减轻，能够以低成本制造，并且即使在严苛的使用条件下也能够表现出高的可靠性 。 在螺杆轴和螺母构件通过大量球相互联接的滚珠丝杠装置中，形成用于滚珠的无限循环路径的空载滚珠路径由空载构成 在螺母构件的通孔的内周面中螺旋地形成的滚珠槽和通过将负载滚动槽和空载滚珠沟槽彼此连通地连接的一对方向变换槽，以完成无限循环 路径作为闭环。

公开(公告)号：US20100242652A1

公开(公告)日：2010-09-30

申请号：US12294810

申请日：2007-03-19

申请人： Takeki Shirai ,  Yuji Tachikake ,  Soshi Miyahara ,  Masahiko Yoshino ,  Takashi Sakuyama ,  Lina Teng ,  Tsutomu Togashi

发明人： Takeki Shirai ,  Yuji Tachikake ,  Soshi Miyahara ,  Masahiko Yoshino ,  Takashi Sakuyama ,  Lina Teng ,  Tsutomu Togashi

IPC分类号： F16H25/22

CPC分类号： F16H25/2214 ,  Y10T74/19749 ,  Y10T74/19767 ,  Y10T74/19772

摘要： Provided is a ball screw device having a novel ball circulation structure suitable for a screw shaft with a large lead, optimum for downsizing and weight saving of a nut member, capable of being manufactured at low cost, and capable of exhibiting high reliability even under severe use conditions. In a ball screw device (1) where a screw shaft (2) and a nut member (3) are screwed to each other through an intermediation of a large number of balls (4), a no-load ball path (50) which forms an infinite circulation path for the balls (4) is constituted by a no-load ball groove (33a) spirally formed in an inner peripheral surface of a through-hole (30) of the nut member (3) and by a pair of direction change grooves (34) which communicatively couple a load rolling groove (20a) and the no-load ball groove (33a) to each other so as to complete the infinite circulation path as a closed loop.

摘要翻译： 本发明提供一种滚珠丝杠装置，其具有适用于具有大引线的螺杆轴的新颖的球形循环结构，适用于能够以低成本制造的螺母构件的小型化和重量减轻，并且即使在严重的情况下也能够表现出高的可靠性 使用条件。 在螺杆装置（1）中，螺杆轴（2）和螺母构件（3）通过大量的滚珠（4）彼此螺纹连接，空载滚珠路径（50） 形成滚珠（4）的无限循环路径由螺母形成在螺母构件（3）的通孔（30）的内​​周面中的空载滚珠槽（33a）和一对 将负载滚动槽（20a）和空载滚珠槽（33a）连通地连结地连接成一个闭环的无限循环路径的方向切换槽（34）。

公开(公告)号：US20100101348A1

公开(公告)日：2010-04-29

申请号：US11997210

申请日：2006-07-04

申请人： Akihiro Teramachi ,  Takeki Shirai ,  Yuji Tachikake

发明人： Akihiro Teramachi ,  Takeki Shirai ,  Yuji Tachikake

IPC分类号： F16H25/22 ,  B23P13/00 ,  B21D53/10

CPC分类号： F16H25/2223 ,  F16H25/24 ,  F16H2025/2481 ,  Y10T29/49636 ,  Y10T29/49671 ,  Y10T29/49673 ,  Y10T74/19744 ,  Y10T74/19749 ,  Y10T74/19767 ,  Y10T83/0304

摘要： A method of producing a screw device, having high productivity and capable of achieving sufficient strength of a nut. The method of producing a screw device has a groove forming step for previously forming a load ball rolling groove in a flat plate, which step is followed by a nut forming step for forming a nut by bending the flat plate into a ring. Since the method has, after the groove forming step in which the load rolling groove is formed in the flat plate, the nut forming step in which the flat plate is bent into a ring, sufficient strength of the nut can be easily achieved, and in addition, high compression stress is left in the load ball rolling groove in the inner diameter surface of the nut.

摘要翻译： 一种螺杆装置的制造方法，其生产率高，能够获得足够的螺母强度。 螺旋装置的制造方法具有用于在平板中预先形成负载滚珠滚动槽的槽形成工序，该步骤之后是通过将平板弯曲成环来形成螺母的螺母形成步骤。 由于该方法在平板中形成负载滚动槽的槽形成步骤之后，将平板弯曲成环的螺母形成步骤，可以容易地实现螺母的足够的强度，并且在 此外，在螺母的内径表面中的负载滚珠滚动槽中留有高的压缩应力。

公开(公告)号：US08220353B2

公开(公告)日：2012-07-17

申请号：US11997210

申请日：2006-07-04

申请人： Akihiro Teramachi ,  Takeki Shirai ,  Yuji Tachikake

发明人： Akihiro Teramachi ,  Takeki Shirai ,  Yuji Tachikake

IPC分类号： F16H1/24 ,  F16H55/02 ,  B21D53/00 ,  B21K1/76 ,  B29D33/00

CPC分类号： F16H25/2223 ,  F16H25/24 ,  F16H2025/2481 ,  Y10T29/49636 ,  Y10T29/49671 ,  Y10T29/49673 ,  Y10T74/19744 ,  Y10T74/19749 ,  Y10T74/19767 ,  Y10T83/0304

摘要： A screw device manufacturing method ensures high productivity and adequate nut strength. The disclosed screw shaft manufacturing method includes: a groove forming step of forming a loaded ball rolling groove in a flat plate; and a nut forming step of bending the flat plate into a ring to form a nut. As the groove forming step of forming of the loaded ball rolling in the flat plate is followed by the nut forming step of bending the flat plate into a ring, sufficient strength of the nut can be easily achieved. Besides, a high compression stress is left in the loaded ball rolling groove in the inner surface of the nut.

摘要翻译： 螺杆装置制造方法确保高生产率和足够的螺母强度。 所公开的螺杆轴的制造方法包括：在平板中形成负载滚珠滚动槽的槽形成步骤; 以及将平板弯曲成环以形成螺母的螺母形成步骤。 随着在平板中形成负载球滚动的槽形成步骤之后是将平板弯曲成环的螺母形成步骤，可以容易地实现螺母的足够的强度。 此外，在螺母的内表面中的负载滚珠滚动槽中留下高的压缩应力。

公开(公告)号：US20070209465A1

公开(公告)日：2007-09-13

申请号：US11547804

申请日：2005-04-08

申请人： Takeki Shirai ,  Yuji Tachikake

发明人： Takeki Shirai ,  Yuji Tachikake

IPC分类号： F16H25/22

CPC分类号： F16H25/2223 ,  B23G1/02 ,  B23G2210/04 ,  F16H25/24 ,  F16H2025/2481 ,  Y10T74/19702

摘要： A screw device is provided with a screw shaft 5 formed, on an outer peripheral surface thereof, with a ball member rolling groove 6 in form of spiral, a nut 1 formed, on an inner peripheral surface thereof, with at least single one-turn of groove 4 constituted by a loaded ball rolling groove 2 having a partial circle less than one circle of groove and corresponding to the ball rolling groove 6 of the screw shaft and a ball circulation groove 3 connecting one and other ends of the loaded ball rolling grove 2, and a plurality of balls arranged and accommodated between the ball rolling groove 6 of the screw shaft 5 and the loaded ball rolling groove 2 and the ball circulation groove 3 of the nut 1. The loaded ball rolling groove 2 and the ball circulation groove 3 of the nut 1 are formed by cutting the inner peripheral surface of the nut which was preliminarily heat-treated. According to the screw device thus formed, the positional relationship between the loaded ball rolling groove and the ball circulation groove can be precisely set.

摘要翻译： 螺杆装置具有在其外周面上形成有螺旋形的滚珠构件滚动槽6的螺杆轴5，在其内周面上形成有至少一个单圈的螺母1 槽4由具有小于一个圆的部分圆的负载滚珠滚动槽2构成，并且对应于螺杆轴的滚珠滚动槽6以及连接加载的滚珠滚筒的一端和另一端的滚珠循环槽3 螺杆轴5的滚珠滚珠6与滚珠滚珠滚珠2的滚珠滚珠槽6和螺母1的滚珠循环槽3之间形成多个滚珠。 螺母1的负载滚珠滚动槽2和滚珠循环槽3通过切割预先进行了热处理的螺母的内周面而形成。 根据这样形成的螺丝装置，可以精确地设定负载滚珠滚珠槽与滚珠循环槽之间的位置关系。

公开(公告)号：US20090260468A1

公开(公告)日：2009-10-22

申请号：US12065375

申请日：2006-08-31

申请人： Yuji Tachikake

发明人： Yuji Tachikake

IPC分类号： F16H25/22

CPC分类号： B62D3/02 ,  B62D5/0421 ,  B62D5/0448 ,  F16H25/2204 ,  F16H2025/2093 ,  Y10T74/19749

摘要： Provided is a novel steering device which can be formed to be compact, which is easily applicable to a vehicle with a small engine room such as a front-engine/front-drive car, and which is of neither the ball nut type nor the rack and pinion type. The steering device operates steerable wheels by converting rotation of a steering shaft to axial movement of a relay rod, the steering device including: a gear casing through which the relay rod is passed; a spiral ball rolling groove provided in the relay rod within the gear casing so as to exhibit a lead of a magnitude of 1 or more; a nut member threadedly engaged with the ball rolling groove of the relay rod through an intermediation of a large number of balls and supported rotatably with respect to the gear casing; an input shaft to which rotation of the steering shaft is transmitted and which is in an intersecting or offset relationship with the relay rod; and a first transmission gear for transmitting rotation of the input shaft to the nut member.

摘要翻译： 提供一种可以形成为紧凑的新型转向装置，其容易应用于具有小型发动机室的车辆，例如前发动机/前驱车，并且既不是滚珠螺母型也不是齿条 小齿轮类型。 转向装置通过将转向轴的旋转转换成继电器杆的轴向运动来操作转向轮，该转向装置包括：齿轮箱，继电器杆通过该齿轮箱; 螺旋球滚动槽，设置在齿轮箱内的继电器杆中，以呈现大于等于1的引线; 螺母构件，其通过大量的球螺旋地与所述中继杆的滚珠滚动槽相接合，并相对于所述齿轮壳体可旋转地支撑; 输入轴，转向轴的旋转被传递到该转轴上，并与继电器杆处于交叉或偏移关系; 以及用于将输入轴的旋转传递到螺母构件的第一变速齿轮。

公开(公告)号：US20100095793A1

公开(公告)日：2010-04-22

申请号：US12517111

申请日：2007-12-03

申请人： Yuji Tachikake ,  Motoki Abe

发明人： Yuji Tachikake ,  Motoki Abe

IPC分类号： F16H25/22

CPC分类号： B62D3/02 ,  Y10T74/19744

摘要： Provided is a steering device which can be reduced in size and weight and easily adapted even to a vehicle with a small engine room, such as a front-wheel-drive car. The steering device includes: a relay rod rotatably supported with respect to a gear casing and having a spiral ball rolling groove formed therein; an input shaft to which rotation of a steering shaft is transmitted; a rotation transmitting means for converting rotation of the input shaft into rotational movement of the relay rod and for allowing the relay rod to move in an axial direction thereof; a screw nut threadedly engaged with the ball rolling groove of the relay rod through an intermediation of a large number of balls and fixed to the gear casing, for allowing the relay rod to move in accordance with rotation of the relay rod in the axial direction thereof; a pair of tie rods for moving steerable wheels in accordance with axial movement of the relay rod; and a pair of spherical bearings for transmitting the axial movement of the relay rod to the tie rods without transmitting the rotational movement of the relay rod to the tie rods.

摘要翻译： 提供了一种转向装置，其可以减小尺寸和重量，并且甚至容易适应于具有小型发动机室的车辆，例如前轮驱动车。 转向装置包括：相对于齿轮箱可旋转地支撑的中继杆，其中形成有螺旋滚珠滚动槽; 传递转向轴的旋转的输入轴; 旋转传递装置，用于将输入轴的旋转转换成继电器杆的旋转运动，并允许继电器杆沿其轴向方向移动; 螺杆螺母，其通过大量球的中间杆与所述继电器棒的滚珠槽螺纹接合并固定到所述齿轮箱，用于允许所述继电器杆根据所述继电器杆沿其轴向的旋转而移动 ; 一对拉杆，用于根据继电器杆的轴向移动来移动可转向的车轮; 以及一对球面轴承，用于将继电器杆的轴向运动传递到拉杆，而不将继电器杆的旋转运动传递到拉杆。