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1. 发明专利

JP2014156158A Steering device 审中-公开
标题翻译：转向装置
公开(公告)号：JP2014156158A
公开(公告)日：2014-08-28
申请号：JP2013026848
申请日：2013-02-14
申请人： Nsk Ltd , 日本精工株式会社
发明人： TAKEDA MASAYA , SADAKATA KIYOSHI
IPC分类号： B62D1/16 , B62D1/18 , B62D1/19 , F16C27/06
摘要： PROBLEM TO BE SOLVED: To provide a steering device which has a rolling bearing supporting a steering shaft rotatably and in which upper and lower columns slidably fit together in an axial direction, and which improves stability of a steering wheel during high speed running.SOLUTION: When a band 421 is fastened and a slip bearing part 42 is reduced in diameter via an O-ring 422C, and friction is applied between a lower steering shaft 32 and a slip bearing 422, rotation torques of the lower steering shaft 32 and the upper steering shaft become larger. When the rotation torques of the lower steering shaft 32 and the upper steering shaft reach to predetermined degree, fastening of the band is stopped.
摘要翻译：要解决的问题：提供一种转向装置，该转向装置具有可转动地支撑转向轴的滚动轴承，上下列在轴向方向上可滑动地配合在一起，并且提高了方向盘在高速行驶期间的稳定性。解决方案：当固定带421并且滑动轴承部分42经由O形环422C直径减小，并且在下转向轴32和滑动轴承422之间施加摩擦时，下转向轴32和上部转向轴32的旋转转矩转向轴变大。当下转向轴32和上转向轴的旋转转矩达到预定的程度时，停止带的紧固。

2. 发明专利

JP2014129833A Steering device 审中-公开
标题翻译：转向装置
公开(公告)号：JP2014129833A
公开(公告)日：2014-07-10
申请号：JP2012287065
申请日：2012-12-28
申请人： Nsk Ltd , 日本精工株式会社
发明人： TAKEDA MASAYA , SADAKATA KIYOSHI
IPC分类号： F16C25/08 , B62D1/18 , B62D1/19 , F16C19/16 , F16C35/07
摘要： PROBLEM TO BE SOLVED: To provide a steering device improved in steering stability of a steering wheel in high speed running, with respect to the steering device which includes a rolling bearing rotatably journaling a steering shaft, and in which an upper column and a lower column are axially slidably fitted.SOLUTION: An inner ring 422 of an angular ball bearing 42 is pressed through a wave washer 64 by fastening a lock nut 61A, and pre-loads are applied between an outer ring 421 and the inner ring 422, and between outer rings 421B and 423, thus backlash of the angular ball bearing 42 is reduced, and rotary torques of a lower steering shaft 32 and an upper steering shaft 31 are gradually increased. When the rotary torques of the lower steering shaft 32 and the upper steering shaft 31 are increased by prescribed magnitudes, a left lock nut 61B is fastened to be closely kept into contact with the right lock nut 61A.
摘要翻译：要解决的问题：提供一种改进方向盘在高速行驶中的转向稳定性的转向装置，该转向装置相对于包括可转动地转动转向轴的滚动轴承的转向装置，其中上柱和下柱轴向可滑动地安装。解决方案：通过紧固锁定螺母61A，通过波形垫圈64将角球轴承42的内环422挤压，并且在外环421和内环422之间以及在外环421和内环422之间施加预加载外圈421B和423，因此角球轴承42的齿隙减小，下转向轴32和上转向轴31的旋转力矩逐渐增大。当下转向轴32和上转向轴31的旋转力矩增加规定量值时，左锁定螺母61B被紧固以与右锁定螺母61A紧密地保持接触。

3. 发明专利

JP2014104784A Support device for steering column 审中-公开
标题翻译：用于转向柱的支撑装置
公开(公告)号：JP2014104784A
公开(公告)日：2014-06-09
申请号：JP2012257090
申请日：2012-11-26
申请人： Nsk Ltd , 日本精工株式会社
发明人： MASHITA MASAYOSHI , SADAKATA KIYOSHI
IPC分类号： B62D1/19 , B60R21/05
摘要： PROBLEM TO BE SOLVED: To attain a structure which can stably absorb striking energy at a secondary collision.SOLUTION: A steering column 4a is supported by engaging an engaging cut 20a formed in a support bracket 36 with an engaging groove 22a of an engaging capsule 21a supported by and fixed to a vehicle body 15, thereby enabling forward displacement by impact load at a secondary collision. Between an inside surface of the engaging groove 22a and a surface of a fitting plate part 19a, clearance gaps 40a, 40b in which gaps therebetween become wider toward end edges of the engaging groove 22a in a longitudinal direction are provided.
摘要翻译：要解决的问题：获得能够稳定地吸收二次碰撞中的冲击能的结构。解决方案：转向柱4a通过将形成在支撑托架36中的接合切口20a与接合胶囊21a的接合槽22a接合而被支撑由车身15支撑并固定，从而能够在二次碰撞时通过冲击载荷进行前进位移。设置接合槽22a的内表面和嵌合板部分19a的表面之间的间隙40a，40b，其中间隙在纵向方向上朝向接合槽22a的端部边缘变宽。

4. 发明专利

JP2014094749A Steering column support device 有权
标题翻译：转向支柱装置
公开(公告)号：JP2014094749A
公开(公告)日：2014-05-22
申请号：JP2014026091
申请日：2014-02-14
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJIWARA TAKESHI , SEGAWA TORU , NAMIKATA TAKAHIRO , SADAKATA KIYOSHI
IPC分类号： B62D1/18
摘要： PROBLEM TO BE SOLVED: To maintain an absolute value and variation of a pull-out load to be small by preventing a lower surface of a vehicle body side bracket 23a from rubbing closely against an upper surface of a column side bracket 22a, and to enrich driver protection in collision accident without deteriorating design flexibility of a steering device.SOLUTION: An adjustment rod 27 for steering wheel position adjustment is disposed at an upper side of a steering column 6b. Moment which is applied to a column side bracket 22a in secondary collision is maintained low so that rubbing friction of a rubbing part between the column side bracket 22a and a body side bracket 23a is reduced and a pull-out load is maintained low. Also, knees of a driver are protected by removing a portion protruding at a part lower than the steering column 6b.
摘要翻译：要解决的问题：为了通过防止车体侧支架23a的下表面紧紧地靠在柱侧支架22a的上表面上，使拉出负载的绝对值和变化量保持较小，并且富集驾驶员在碰撞事故中的保护，而不会恶化转向装置的设计灵活性。解决方案：用于方向盘位置调节的调节杆27设置在转向柱6b的上侧。施加到二次碰撞中的柱侧支架22a的力矩保持为低，使得柱侧托架22a和主体侧支架23a之间的摩擦部分的摩擦摩擦力减小，并且拉出载荷保持较低。此外，通过去除在低于转向柱6b的部分突出的部分来保护驾驶员的膝盖。

5. 发明专利

JP2014083861A Steering lock device 审中-公开
标题翻译：转向锁定装置
公开(公告)号：JP2014083861A
公开(公告)日：2014-05-12
申请号：JP2012231593
申请日：2012-10-19
申请人： Nsk Ltd , 日本精工株式会社
发明人： MASHITA MASAYOSHI , SADAKATA KIYOSHI
IPC分类号： B60R25/021
摘要： PROBLEM TO BE SOLVED: To provide a steering lock device capable of improving strength of four corners of a keylock hole, while reducing the weight, even when a small-shaped keylock hole is formed.SOLUTION: In a steering device for locking so that a steering wheel connected to the rear end of a steering shaft is not rotated by engaging a key set boss 25 provided on a key cylinder for guiding a lock pin 24 with the hole peripheral surface of a key lock hole 22, the key lock hole 22 is formed as a hole opened in an elliptical shape. Further, the hole peripheral surface is formed by bending the edge to the outside.
摘要翻译：要解决的问题：提供一种能够提高键锁孔的四个角的强度的转向锁定装置，同时减小重量，即使当形成小型键锁孔时。解决方案：在用于锁定的转向装置中，连接到转向轴的后端的方向盘通过将设置在用于将锁定销24引导到锁定销24的钥匙筒的键盘凸台25与键锁定孔22的孔周面接合而不旋转，钥匙锁定孔22 形成为以椭圆形状打开的孔。此外，通过将边缘弯曲到外部形成孔外周表面。

6. 发明专利

JP2013184600A Method for producing steering device 有权
标题翻译：生产转向装置的方法
公开(公告)号：JP2013184600A
公开(公告)日：2013-09-19
申请号：JP2012051964
申请日：2012-03-08
申请人： Nsk Ltd , 日本精工株式会社
发明人： MORIYAMA SEIICHI , ABE SHOICHI , SADAKATA KIYOSHI
IPC分类号： B62D1/16 , B21D53/88
摘要： PROBLEM TO BE SOLVED: To provide a method for producing capable of stably supporting an outer column to a vehicle body and capable of preventing the generation of cracks and bending or others in the outer column.SOLUTION: A hollow pipe 50 is made by bending and forming a plate-shape base material of a steel plate or an aluminium alloy, butting both end edge parts each other, thereafter welding both the end edge parts with each other. Then, an intermediate member 52 having a pushing in shaped part 51 is made by applying pushing in shaping to a part near a rear end of the hollow pipe 50 in an axial direction. Next, an outer column 13a is made by a hydroform construction method with the intermediate member 52 arranged in a shaping mold such that welded part 53 is not arranged in both held parts 44, 44 of a column side bracket 40.
摘要翻译：要解决的问题：提供一种能够稳定地将外柱支撑到车体并且能够防止在外柱中产生裂纹和弯曲等的制造方法。解决方案：中空管50通过弯曲和形成钢板或铝合金的板状基材，将两端缘部彼此对接，然后将两端缘部彼此焊接。然后，通过在轴向上向中空管50的后端附近的部分施加推压成形，形成具有推入成形部51的中间构件52。接下来，通过液压成形法制造外柱13a，其中中间构件52布置在成型模具中，使得焊接部53不布置在柱侧支架40的两个保持部44,44中。

7. 发明专利

JP2013177949A Cross shaft universal joint and method of manufacturing yoke for universal joint 审中-公开
标题翻译：通用联轴器通用联轴器及其制造方法
公开(公告)号：JP2013177949A
公开(公告)日：2013-09-09
申请号：JP2012043129
申请日：2012-02-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： MORIYAMA SEIICHI , MAEDA ATSUSHI , SHIGETA YASUSHI , SADAKATA KIYOSHI
IPC分类号： F16D3/26 , F16D3/41
摘要： PROBLEM TO BE SOLVED: To improve reliability and durability of a cross shaft universal joint incorporating a cross shaft 9 by achieving a structure of making shaft parts 14, 14 of the cross shaft 9 hardly come off from circular holes 12, 12 of the joint arm parts 11a, 11a of a yoke 8c.SOLUTION: Bent parts 28, 28 are provided by bending inward in the radial direction both ends in the circumferential direction of portions, where circular holes 12, 12 are each formed, of a pair of joint arm parts 11a, 11a of a yoke 8c. Thereby, among both the joint arm parts 11a, 11a, inside surfaces of both ends in the circumferential direction of portions where the circular holes 12, 12 are formed with respect to the axial direction are projected similarly inward in the radial direction from the inside surfaces of the intermediate portions in the circumferential direction.
摘要翻译：要解决的问题：为了提高结合横轴9的十字轴万向接头的可靠性和耐久性，通过实现使横轴9的轴部14,14几乎不从联合臂的圆形孔12,12脱离磁轭8c.的部分11a，11a。解决方案：弯曲部分28,28通过在径向方向向内弯曲而设置，每个圆形孔12,12形成在一对连接臂磁轭8c的部分11a，11a。由此，在两个接合臂部11a，11a中，相对于轴方向形成有圆形孔12,12的部分的圆周方向的两端的内表面，从径向向内突出在圆周方向上的中间部分。

8. 发明专利

JP2013047088A Steering column support structure 有权
标题翻译：转向柱支撑结构
公开(公告)号：JP2013047088A
公开(公告)日：2013-03-07
申请号：JP2011204454
申请日：2011-09-20
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJIWARA TAKESHI , SEGAWA TORU , NAMIKATA TAKAHIRO , SADAKATA KIYOSHI
IPC分类号： B62D1/18 , B60R21/05
CPC分类号： B62D1/18 , B60R25/021 , B60R25/023 , B62D1/184 , B62D1/187 , B62D1/195
摘要： PROBLEM TO BE SOLVED: To maintain an absolute value and a difference of a pull-out load to be small by preventing the lower surface of a vehicle body side bracket from rubbing closely against the upper surface of a column side bracket, and to enrich driver protection in a collision accident without deteriorating design flexibility of a steering device.SOLUTION: An adjustment rod 27 for steering wheel position adjustment is disposed at the upper side of a steering column 6b. A moment which is added to the column side bracket 22a in a secondary collision is maintained low so that rubbing friction between the column side bracket 22a and the body side bracket 23a is reduced and the pull-out load is maintained low. Also, the knees of the driver are protected by removing a portion protruding at a part lower than the steering column 6b.
摘要翻译：要解决的问题：为了通过防止车体侧支架的下表面紧紧地靠在柱侧支架的上表面上而使拉出负载的绝对值和差值保持较小，以及以丰富驾驶员在碰撞事故中的保护，而不会降低转向装置的设计灵活性。解决方案：用于方向盘位置调节的调节杆27设置在转向柱6b的上侧。在二次碰撞中添加到列侧支架22a的力矩保持较低，使得柱侧支架22a和主体侧托架23a之间的摩擦摩擦减小，并且拉出载荷保持较低。此外，通过去除在低于转向柱6b的部分突出的部分来保护驾驶员的膝盖。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2013018412A Impact absorbing steering shaft and manufacturing method thereof 有权
标题翻译： IMPACT吸收转向轴及其制造方法
公开(公告)号：JP2013018412A
公开(公告)日：2013-01-31
申请号：JP2011154391
申请日：2011-07-13
申请人： Nsk Ltd , 日本精工株式会社
发明人： KOMORI HIROMICHI , SADAKATA KIYOSHI
IPC分类号： B62D1/19 , B60R21/05
摘要： PROBLEM TO BE SOLVED: To provide an impact absorbing steering shaft and a manufacturing method thereof designed to prevent seizure at a friction part between the tip edge of a large-diameter part of an outer shaft and an inner circumferential surface of a small-diameter part of an inner shaft, while preventing an increase in manufacturing cost.SOLUTION: A tip of a large-diameter part 16a is fitted into a base end of a small-diameter part 14 when an impact is applied upon a secondary collision, with a fitting strength to relatively displace the outer shaft 12a and the inner shaft 13a in the axial direction. The inner circumferential surface of a concave hole 21 formed at the tip of the large-diameter part 16a is tapered, while the radial thickness of the large-diameter part 16a is reduced toward the tip edge of the large-diameter part 16. The tip edge of the large-diameter part 16a is prevented from digging into the inner circumferential surface of the small-diameter part 14 when the shafts 12a and 13a are assembled to each other.
摘要翻译：要解决的问题：提供一种冲击吸收转向轴及其制造方法，其设计成防止在外轴的大直径部分的末端边缘与小轴的内周面之间的摩擦部分发生咬合 - 内轴的一部分，同时防止制造成本的增加。解决方案：当在二次碰撞时施加冲击时，大直径部分16a的尖端装配到小直径部分14的基端中，具有使外轴12a和内轴13a在轴向上。形成在大直径部16a的前端的凹孔21的内周面呈锥形，大直径部16a的径向厚度朝向大径部16的前端侧减小。尖端当轴12a和13a彼此组装时，防止大直径部分16a的边缘挖入小直径部分14的内圆周表面。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012240628A Support device for steering column 有权
标题翻译：用于转向柱的支撑装置
公开(公告)号：JP2012240628A
公开(公告)日：2012-12-10
申请号：JP2011115513
申请日：2011-05-24
申请人： Nsk Ltd , 日本精工株式会社
发明人： SEGAWA TORU , SADAKATA KIYOSHI , FUJIWARA TAKESHI , NAMIKATA TAKAHIRO
IPC分类号： B62D1/19 , B60R21/05 , B62D1/18
摘要： PROBLEM TO BE SOLVED: To provide a structure for reducing a frictional force to be applied between a column-side bracket and a member during forward detachment, regardless of a moment applied to the bracket at a secondary collision, thereby facilitating protection of drivers in a collision accident.SOLUTION: Between a front top face of a top plate section 46 of a column-side bracket 13a and a bottom face of a vehicle body-side bracket 10d, and between a top face of a middle or rear top face and a bottom face of a locking capsule 11b connected and fixed to the column-side bracket 13a, synthetic resin plate sections 62a, 62b are interposed. On the basis of the moment, synthetic resin plate sections 62a, 62b having low friction coefficients are arranged at portions where a surface pressure of an abutment section increases.
摘要翻译：要解决的问题：提供一种用于在向前拆卸期间减小在柱侧支架和构件之间施加的摩擦力的结构，而不管在二次碰撞时施加到支架的力矩，从而有助于保护司机碰撞事故。解决方案：在柱侧支架13a的顶板部分46的前顶面和车身侧支架10d的底面之间以及中顶或后顶面的顶面和连接固定在柱侧支架13a上的锁定胶囊11b的底面插入有合成树脂板部62a，62b。基于该时刻，具有低摩擦系数的合成树脂板部62a，62b布置在邻接部的表面压力增加的部分。版权所有（C）2013，JPO＆INPIT

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