专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP2487388A4 BALL SCREW DEVICE 有权
公开(公告)号：EP2487388A4
公开(公告)日：2015-11-04
申请号：EP11745682
申请日：2011-08-03
申请人： NSK LTD
发明人： MIYAZAKI KAZUNARI
IPC分类号： F16H25/22
CPC分类号： F16H25/2214 , Y10T74/19767
摘要： A ball screw device for reducing damage to a circulating part even during a high speed operation is provided. To this end, the circulating part (40) includes a pair of legs (41,41) having a tang (44) to scoop up a ball (30) in a direction substantially match with a tangential direction of a spiral path, and a body (42) to connect the pair of legs (41,41), wherein a center path diameter Rb of the ball (30), an internal diameter Rn of the nut (20), and an internal diameter Rt opposite to the tang (44) satisfy a relationship of Rb ‰¦ Rt ‰¦ Rn.

2. 发明授权

EP2649347B1 KUGELGEWINDETRIEB 失效转让
标题翻译：滚珠丝杆传动
公开(公告)号：EP2649347B1
公开(公告)日：2014-04-09
申请号：EP11790870.7
申请日：2011-11-16
申请人： ThyssenKrupp Presta AG
发明人： KIFORIUK, Alexander , KONTNER, Dennis , NGAMGA NZEPA, Jules , STECK, Philippe
IPC分类号： F16H25/22 , B62D5/04
CPC分类号： F16H25/2214 , B62D5/0448 , F16H55/36 , Y10T74/18576 , Y10T74/19749 , Y10T74/19767

3. 发明公开

EP2636576A2 Electric power steering system 有权
标题翻译：电力系统
公开(公告)号：EP2636576A2
公开(公告)日：2013-09-11
申请号：EP13158001.1
申请日：2013-03-06
申请人： JTEKT CORPORATION
发明人： Asakura, Toshihiro
IPC分类号： B62D5/04
CPC分类号： B62D3/08 , B62D5/0448 , F16H25/2214 , Y10T74/18576 , Y10T74/19749 , Y10T74/19767
摘要： A return passage (R2) that connects two points of a rolling passage (R1) to allow each ball (32) that rolls in the rolling passage (R1) to endlessly circulate is formed in a ball screw nut (33) by attaching a circulation member (41) to fitting holes (42, 43). A protrusion (61) is formed on an outer surface (41a) of the circulation member (41) at a position offset from a raceway of the balls (32) that circulate in the return passage (R2). The circulation member (41) is fixed to the ball screw nut (33) when the protrusion (61) contacts an inner periphery of an inner ring (35a) of a second bearing (35).
摘要翻译：连接滚动通道（R1）的两点以允许在滚动通道（R1）中滚动的每个滚珠（32）不连续地循环的返回通道（R2）通过附接循环构件（41）连接到安装孔（42,43）。在循环构件（41）的外表面（41a）的偏离于在返回通路（R2）中循环的滚珠（32）的滚道的位置处形成有突起（61）。当突起（61）接触第二轴承（35）的内圈（35a）的内周时，循环构件（41）固定在滚珠丝杠螺母（33）上。

4. 发明公开

EP2520830A1 Ball screw device 有权
标题翻译： Kugelschraubenvorrichtung
公开(公告)号：EP2520830A1
公开(公告)日：2012-11-07
申请号：EP10007241.2
申请日：2004-03-08
申请人： NSK Ltd.
发明人： The designation of the inventor has not yet been filed
IPC分类号： F16H25/22 , F16H25/24
CPC分类号： F16H25/2219 , Y10T74/19702 , Y10T74/19749 , Y10T74/19767 , Y10T74/19772
摘要： A ball screw device 10 capable of increasing a load capacity by increasing the size of ball diameter and the number of threads by preventing the cutout of a nut from being interfered with a thread groove adjacent to the cutout even in the thread groove of a small lead screw and a multiple thread screw, wherein a circulating block 18 forming, in association with the cutout 17, a ball 15 circulation passage 21 for communicating an area between both thread grooves 11 and 13 with a ball return passage 16 is fitted to the cutout 17 formed at the end of the nut 14 so that the large number of balls 15 can be endlessly circulated between both thread grooves 11 and 13, ball circulation passage 21, and ball return passage 16. The face of the cutout 17 facing the axial direction thereof is used as a ball running surface 23, a ball circulating groove 20 is formed at the portion of the circulation block 18 opposed to the ball running surface 23, and the ball circulation passage 21 is formed of the ball circulating groove 20 and the ball running surface 23.
摘要翻译：一种滚珠丝杠装置10，其能够通过在小的引线的螺纹槽中防止螺母的切口干扰与切口相邻的螺纹槽而增加球直径和螺纹的数量，从而增加负载能力螺杆和多螺纹螺钉，其中与切口17相关联地形成有用于将两个螺纹槽11和13之间的区域与球返回通道16连通的球15循环通道21的循环块18安装到切口17 形成在螺母14的端部，使得大量的滚珠15可以在两个螺纹槽11和13，滚珠循环通道21和球返回通道16之间循环地循环。切口17的面向其轴向的表面被用作球运行表面23，在循环块18的与球运行表面23相对的部分处形成球循环槽20，球循环通道21由球循环槽20和球运行表面23。

5. 发明公开

EP2392837A2 Ball screw apparatus and electric power steering apparatus 有权
标题翻译： Kugelumlaufspindeleinheit und elektrische Servolenkungsvorrichtung
公开(公告)号：EP2392837A2
公开(公告)日：2011-12-07
申请号：EP11168231.6
申请日：2011-05-31
申请人： JTEKT Corporation
发明人： Kaneko, Tetsuya , Asakura, Masayoshi , Hara, Takashi
IPC分类号： F16H25/22
CPC分类号： F16H25/2214 , B62D5/0448 , Y10T74/19753 , Y10T74/19767 , Y10T74/19772
摘要： It is an object of the present invention to provide a ball screw apparatus wherein the ball screw apparatus includes a returning way (L2) by mounting a circulating member (15) in mounted holes (16,17) formed in the ball screw nut (13). The ball screw nut (13) includes a base portion (51) and an expanding portion (52). In the base portion (50) a distance from an axis center (O1) of the rack shaft (3) to a bottom portion (14a) of the nut side screw groove (14) is constant, and in the expanding portion (52) the distance is larger than that of the base portion (51). The expanding portion (52) includes a connecting area (34).
摘要翻译：本发明的目的是提供一种滚珠丝杠装置，其中滚珠丝杠装置包括通过将循环部件（15）安装在形成于滚珠丝杠螺母（13）中的安装孔（16,17）中的返回方式（L2））。滚珠丝杠螺母（13）包括基部（51）和扩张部（52）。在基部（50）中，从齿条轴（3）的轴心（O1）到螺母侧螺纹槽（14）的底部（14a）的距离恒定，在膨胀部（52）中，该距离大于基部（51）的距离。膨胀部（52）包括连接区域（34）。

6. 发明授权

EP2023011B1 ROLLER SCREW AND METHOD OF DESIGNING UNLOADED ROLLER RETURN PATH FOR ROLLER SCREW 有权
标题翻译： ROLL COP和方法用于构造返回轨道为ROLL COP卸载ROLLS
公开(公告)号：EP2023011B1
公开(公告)日：2011-09-28
申请号：EP07742551.0
申请日：2007-04-26
申请人： THK CO., LTD.
发明人： MIYAHARA, Soshi , YOSHINO, Masahiko , SAKUYAMA, Takashi
IPC分类号： F16H25/22 , F16H25/24
CPC分类号： F16H25/2247 , F16H2025/2271 , Y10T74/19767 , Y10T74/19772 , Y10T74/19791
摘要： A new shape of an unloaded roller return path where rollers can be smoothly moved. A roller circulation path of a roller screw is constructed from a loaded roller rolling path and the unloaded roller return path. The unloaded roller return path (10) is twisted so that the center axes of the rollers (4) tilt when they moves in the unloaded roller return path (10). In a cross-sectional shape of the twisted portion of the unloaded roller return path (10), a pair of side face corresponding portions (25c, 25d) facing end faces of the rollers (4) is formed in a shape projecting to the inside of the unloaded roller return path (10)

7. 发明授权

EP1983219B1 LOW-NOISE SCREW DEVICE 有权
标题翻译： SILENT拧紧
公开(公告)号：EP1983219B1
公开(公告)日：2011-08-31
申请号：EP07708132.1
申请日：2007-02-07
申请人： THK CO., LTD.
发明人： MICHIOKA, Hidekazu , NIWA, Hiroshi , IIDA, Katsuya , SAITOH, Yoshiaki
IPC分类号： F16H25/22
CPC分类号： F16H25/2219 , F16H57/0006 , Y10T74/19749 , Y10T74/19767 , Y10T74/19772
摘要： A screw device emitting less noise. The screw device has a screw shaft (5) having formed in its outer peripheral surface a spiral rolling-body rolling groove (5a); a nut (6) having formed in its inner peripheral surface a spiral loading-rolling-body rolling groove (6a) facing the rolling-body rolling groove (5a) and having a rolling- body return path for connecting one end and the other end of the rolling groove (6a); and rolling bodies (7) arranged in a rolling body circulation route. A flange (9) is placed at an end in the axial direction of the nut (6), and a low-noise plate (12) is attached to the flange (9) to cover at least a part of an end face of the flange (9).

8. 发明授权

EP1630456B1 BALL SCREW AND ELECTRIC POWER STEERING DEVICE INCLUDING THE SAME 有权转让
标题翻译：滚珠丝杠及与本电动动力转向装置
公开(公告)号：EP1630456B1
公开(公告)日：2011-08-24
申请号：EP04735374.3
申请日：2004-05-28
申请人： JTEKT Corporation
发明人： MIZUHARA, Masato c/o JTEKT Corporation. , MIYATA, Atsuya c/o JTEKT Corporation. , MURAKAMI, Tetsuya c/o JTEKT Corporation. , TAKADA, Nobushige c/o JTEKT Corporation.
IPC分类号： F16H25/22 , B62D5/04
CPC分类号： F16H25/2214 , B62D5/0448 , Y10T74/19767
摘要： A ball screw (26) has a screw shaft (29), a nut (25) surrounding the screw shaft (29), and balls (30) engageable with the screw shaft (29) and the nut (25). The ball screw (26) has a first and a second raceway (S, K). The first raceway (S) is formed between the screw shaft (29) and the nut (25), and includes a first and a second end portion (S1, S2). The second raceway (K) includes a first and a second end portion (K1, K2) respectively connected to the first and the second end portion (S1, S2), allowing the balls (30) to be circulated on the first raceway (S). The maximum number of the balls (30) of which all can be received at the same time in the second raceway (K) is an odd number.

9. 发明公开

EP1515066A3 Ball screw apparatus 有权
标题翻译：滚珠丝杠装置
公开(公告)号：EP1515066A3
公开(公告)日：2009-10-21
申请号：EP04021621.0
申请日：2004-09-10
申请人： NSK LTD
发明人： Ohkubo, Tsutomu , Hayashi, Eiji
IPC分类号： F16H25/22
CPC分类号： F16H25/2223 , Y10T74/19749 , Y10T74/19763 , Y10T74/19767 , Y10T74/19772
摘要： A ball screw apparatus (10) includes: a screw shaft (12) having a screw groove (11), a nut (14) having a screw groove (13) and holes, a number of balls (15) rollably provided between the screw grooves (11,13), and a ball circulating member (23) having an end portion to be fitted to the holes (20). The ball circulating member (23) includes a side cap (17) having leg portions (19) to be fitted into the holes. Each of the leg portions (19) contains a scooping up path (21) or a returning path. The scooping up path (21) and the retuning path are inclined with respect to outer peripheral faces of the leg portions (19). The holes (20) include a slot substantially in parallel with directions of the screw grooves. The scooping up path (21) and the returning path are directed substantially in a tangential direction of the screw shaft (12) and inclined substantially toward a lead angle direction of the screw grooves (11,13).
摘要翻译：本发明提供一种滚珠丝杠装置，该滚珠丝杠装置包括：具有螺纹槽（11）的螺纹轴（12）;具有螺纹槽（13）和孔的螺母（14）;多个滚珠（15）沟槽11,13以及具有与所述孔20配合的端部的球循环构件23。球循环构件（23）包括具有要装配到孔中的腿部（19）的侧盖（17）。每个腿部（19）包含舀起路径（21）或返回路径。舀起路径（21）和返回路径相对于腿部（19）的外周面倾斜。孔（20）包括基本上与螺纹槽的方向平行的槽。舀起路径（21）和返回路径基本上指向丝杠轴（12）的切线方向，并且基本朝向螺纹槽（11,13）的导程角方向倾斜。

10. 发明公开

EP1847730A4 MOVEMENT GUIDING DEVICE 有权
标题翻译： BEWEGUNGSFÜHRUNGSVORRICHTUNG
公开(公告)号：EP1847730A4
公开(公告)日：2009-08-26
申请号：EP06713032
申请日：2006-02-03
申请人： THK CO LTD
发明人： UESUGI MASAKAZU , NISHIMURA KENTARO , FUJITA SATOSHI , YOSHIDA AKIMASA , NAGAI SATORU , ARAI HIROYUKI
IPC分类号： F16H25/22 , F16C29/04 , F16C33/372 , F16C33/374
CPC分类号： F16C33/3706 , F16H25/2219 , F16H25/2247 , F16H2025/2271 , F16H2025/2276 , Y10T74/19749 , Y10T74/19767 , Y10T74/19781
摘要： A movement guiding device enabling a row of rollers in which retainers are interposed to have the degree of freedom of rotation. The movement guiding device comprises a track member (5) on which a roller rolling part (5a) for rolling the rollers (7) thereon is formed, a movement member (6) on which a load roller rolling part (6a) facing the roller rolling part (5a) is formed, the plurality of rollers (7) disposed in a roller circulating route including a load roller rolling passage (9) between the roller rolling part (5a) of the track member (5) and the roller rolling part (6a) of the movement member (6), and the plurality of retainers (8) interposed between the plurality of rollers (7). The plurality of retainers (8) are separated from each other, and each of the retainers (8) is divided into a first divided body (31) in contact with one roller (7) of the pair of rollers (7) holding the retainer (8) and a second divided body (32) in contact with the other roller (7). The first divided body (31) can be rotated relative to the second divided body (32).
摘要翻译：一种运动导向装置，其使一排滚子能够具有旋转自由度，在该滚子中夹持有保持器。该运动导向装置包括：轨道构件（5），在该轨道构件上形成有用于滚动所述滚轮（7）的滚轮滚动部分（5a）;移动构件（6），所述移动构件（6）（5）的辊子滚动部分（5a）和辊子滚动部件（5）之间的辊子循环路径中设置的多个辊子（7），所述辊子循环路径包括负载辊子滚动通道（6）的所述多个保持器（6a）以及夹置在所述多个辊（7）之间的所述多个保持器（8）。多个保持器8彼此分开，并且每个保持器8被分成与保持保持器8的一对辊7中的一个辊7接触的第一分割体31。（8）和与另一个辊（7）接触的第二分体（32）。第一分割体（31）能够相对于第二分割体（32）旋转。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式