公开(公告)号：JP2004169739A

公开(公告)日：2004-06-17

申请号：JP2002333191

申请日：2002-11-18

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： IKEDA YOSHINORI ,  SHIBATA KIYOTAKE

IPC: F16H25/22

Abstract: PROBLEM TO BE SOLVED: To provide a ball screw capable of improving productivity, and reducing manufacturing cost.
SOLUTION: This ball screw is provided with a screw shaft 2 having a spiral screw groove 4 in an outer circumferential surface, a nut 3 engaged with the screw shaft 2, and having a spiral screw groove in an inner circumferential surface, a plurality of balls contained in a rolling passage formed of both screw grooves facing each other, a return tube 5 exposed in an outer circumferential surface of the nut 3 to compose a ball circulation passage for the balls getting out of the rolling passage to return to the rolling passage, and a tube presser member 6 to fix the return tube 5 to the nut 3. A trunnion shaft part 10 is integrally formed with the tube presser member 6.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供能够提高生产率并降低制造成本的滚珠丝杠。 该滚珠丝杠具有在外周面上具有螺旋形螺旋槽4的螺杆轴2，与螺杆轴2啮合的螺母3，在内周面具有螺旋形的螺纹槽， 包含在由两个相互相对的两个螺旋槽形成的滚动通道中的多个滚珠，露出在螺母3的外周表面中的回流管5，以形成球循环通道，用于使滚珠离开滚动通道返回到 滚动通道和管压件6将返回管5固定在螺母3上。耳轴轴部10与管按压部件6一体形成。（C）2004，JPO

公开(公告)号：JP2004169713A

公开(公告)日：2004-06-17

申请号：JP2002332498

申请日：2002-11-15

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： IKEDA YOSHINORI

IPC: F16H25/24 ,  F16H25/22

Abstract: PROBLEM TO BE SOLVED: To provide a ball screw nut with a connection mechanism in which a connection part can be easily connected without rattling.
SOLUTION: On both sides on the opposite side to an outer diametric surface of a nut 1, groove holes 2 having bottoms are provided symmetrically to be extended from one axial end surface to an axial center part. Pins 3 for pin joints are provided at ends of the respective groove holes 2, and axial deflection is stopped by stop rings 4. The pins 3 can thus be easily positioned to pin holes 6 in a forked connection part 5 to be assembled. Rattling is not generated between the pins 3 and the connection part 5.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供具有连接机构的滚珠丝杠螺母，其中可以容易地连接连接部分而不发生晃动。 解决方案：在与螺母1的外径表面相反的一侧的两侧，具有底部的槽孔2对称地设置成从一个轴向端面延伸到轴向中心部。 在各个槽孔2的端部设置有用于销接头的销3，通过止动环4使轴向偏转停止。因此，销3可以容易地定位成在要组装的叉形连接部5中的销孔6。 引脚3和连接部分5之间不产生振动。版权所有（C）2004，JPO