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71. 发明专利

JP2008240823A Fixed type constant velocity universal joint 审中-公开
标题翻译：固定式恒定速度通用接头
公开(公告)号：JP2008240823A
公开(公告)日：2008-10-09
申请号：JP2007079833
申请日：2007-03-26
申请人： Ntn Corp , Ntn株式会社
发明人： HOSHINO MANABU , KOBAYASHI MASAZUMI
IPC分类号： F16D3/20 , F16D3/2245
摘要： PROBLEM TO BE SOLVED: To provide a fixed type constant velocity universal joint capable of assembling an inner coupling member into a retainer even if a notch is not provided on an outer spherical surface of the inner coupling member.
SOLUTION: In the fixed type constant velocity universal joint, width dimension W
IN in a circumferential direction at an inner diameter side of at least one pocket 4a
1 of pockets 4a of the retainer is set larger than an axial dimension L of a projection part 2c formed between guide grooves 2b of the inner coupling member 2.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在内联接构件的外球面上没有设置切口的情况下，也能够提供一种固定式等速万向接头，其能够将内联接构件组装到保持器中。解决方案：在固定式等速万向接头中，在至少一个袋4a的内径侧的圆周方向上的宽度尺寸W IN 保持器的4a设定为大于形成在内部联接构件2的引导槽2b之间的突出部2c的轴向尺寸L.（C）2009，JPO＆INPIT

72. 发明专利

JP4161525B2 Vehicle bearing apparatus 有权
公开(公告)号：JP4161525B2
公开(公告)日：2008-10-08
申请号：JP2000266622
申请日：2000-09-04
申请人：株式会社ジェイテクト
发明人：孝爾嶋 , 俊一松井 , 喜則西
IPC分类号： B60B35/14 , F16B21/16 , F16B21/18 , F16D1/06 , F16D3/20 , F16D3/2245
CPC分类号： F16C19/186 , F16C35/0635

73. 发明专利

JP2008232293A Constant velocity universal joint 有权
标题翻译：恒定速度通用接头
公开(公告)号：JP2008232293A
公开(公告)日：2008-10-02
申请号：JP2007073461
申请日：2007-03-20
申请人： Ntn Corp , Ntn株式会社
发明人： KOBAYASHI MASAZUMI
IPC分类号： F16D3/20 , F16D3/2237 , F16D3/2245
CPC分类号： F16D3/224 , Y10S464/905
摘要： PROBLEM TO BE SOLVED: To provide a constant velocity universal joint, capable of performing smooth rotation even at a high angle or high load to reduce excessive loads on a cage, and enhancing the strength of the cage.
SOLUTION: The constant velocity universal joint comprises an external joint member having a plurality of track grooves 2 forme on an inner spherical surface 1; an internal joint member having a plurality of track grooves 5 formed on an outer spherical surface 4 to be paired with the track grooves 2 of the external joint member; a plurality of balls 7 interposed between the track grooves 2 of the external joint member and the track grooves 5 of the internal joint member to transmit a torque; and a cage 9 interposed between the inner spherical surface 1 of the external joint member and the outer spherical surface 4 of the internal joint member to hold the balls 7. A tapered recess 17 retreated from the outer spherical surface 4 is formed in a deep-side end part 4a of the outer spherical surface 4 of the internal joint member, and the recess 17 is smoothly continued with the outer spherical surface 4 at a small curvature radius.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供等速万向接头，即使在高角度或高负载下也能够平滑地旋转，以减少保持架上的过度载荷，并提高保持架的强度。解决方案：等速万向接头包括在内球面1上形成有多个轨道槽2的外接头构件; 内部接头构件，其具有形成在外球面4上以与外接头构件的轨道槽2成对的多个轨道槽5; 插入在外部接头构件的轨道槽2和内部接头构件的轨道槽5之间的多个球7，以传递扭矩; 以及插入在外接头构件的内球面1和内接头构件的外球面4之间以保持球7的保持架9。从外球面4退避的锥形凹部17形成为深度方向，内侧接头构件的外球面4的侧端部4a，凹部17以小的曲率半径与外球面4平滑地连续。版权所有（C）2009，JPO＆INPIT

74. 发明专利

JP2008196663A Constant velocity universal joint 审中-公开
标题翻译：恒定速度通用接头
公开(公告)号：JP2008196663A
公开(公告)日：2008-08-28
申请号：JP2007035034
申请日：2007-02-15
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAZAKI KISAO
IPC分类号： F16D3/2237 , F16D3/2245
摘要： PROBLEM TO BE SOLVED: To provide a constant velocity universal joint having excellent operability and torque transmission capability.
SOLUTION: This constant velocity universal joint is provided with: an external joint member 1 having a plurality of axially-extending guide grooves 5 formed on a spherical inner-diameter surface 1a; an internal joint member 2 having a plurality of axially-extending guide grooves 6 each forming a pair with the guide groove 5 of the external guide member 1 formed on a spherical outer-diameter surface 2a; a plurality of torque transmission balls 3 arranged on a ball track formed by cooperation of both the guide grooves 5 and 6 of both the joint members 1 and 2; and a cage 4 arranged between both the joint members 1 and 2, and having pockets holding the torque transmission balls 3 formed therein. The cage 4 is provided with first pockets 9 holding the torque transmission balls 3 in an interference fitting state in the axial direction, and second pockets 10 holding the torque transmission balls 3 in a clearance fitting state in the axial direction.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的可操作性和扭矩传递能力的等速万向接头。解决方案：该等速万向接头设置有：外接头构件1，其具有形成在球形内径表面1a上的多个轴向延伸的引导槽5; 内部接头构件2具有多个轴向延伸的引导槽6，每个导向槽6形成在外部导向构件1的形成在球形外径表面2a上的引导槽5上; 多个转矩传递滚珠3，布置在由两个接合部件1,2的两个引导槽5和6的配合形成的滚珠轨道上; 以及设置在两个接头构件1,2之间的保持架4，并且具有保持形成在其中的扭矩传递滚珠3的凹部。保持架4设有保持转矩传递滚珠3在轴向方向处于干涉配合状态的第一凹部9，并且将扭矩传递滚珠3保持在轴向间隙配合状态的第二凹部10。版权所有（C）2008，JPO＆INPIT

75. 发明专利

JP2008128405A Constant velocity universal joint 审中-公开
标题翻译：恒定速度通用接头
公开(公告)号：JP2008128405A
公开(公告)日：2008-06-05
申请号：JP2006315829
申请日：2006-11-22
申请人： Ntn Corp , Ntn株式会社
发明人： NAGAHISA MASATO
IPC分类号： F16D3/20 , F16D3/205 , F16D3/2245 , F16D3/227
摘要： PROBLEM TO BE SOLVED: To provide a constant velocity universal joint having improved assembling efficiency and reduced cost without the need for machining a cut groove while surely preventing the come-off of an inside joint member from an outside joint member.
SOLUTION: The constant velocity universal joint can transmit torque between the outside joint member and the inside joint member incorporated inside the outside joint member while permitting angle displacement and axial displacement. At the opening side end of the inner peripheral face of the outside joint member, a stopper 10 is formed which is protruded inward to the radial direction for restricting the come-off of the inside joint member from the outside joint member.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有提高的组装效率和降低成本的等速万向接头，而不需要加工切割槽，同时可靠地防止内侧接头构件从外侧接头构件的脱落。解决方案：等速万向节可以在外接头构件和内接头构件内部传递转矩，同时允许角位移和轴向位移。在外侧接头构件的内周面的开口侧端部，形成有向径向内侧突出的止挡件10，用于限制内侧接头构件从外部接头构件的脱落。版权所有（C）2008，JPO＆INPIT

76. 发明专利

JP2008121791A Ball-shaped constant velocity joint 有权
标题翻译：球形恒定速度接头
公开(公告)号：JP2008121791A
公开(公告)日：2008-05-29
申请号：JP2006306548
申请日：2006-11-13
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： ICHIKAWA KAZUYUKI
IPC分类号： F16D3/2233 , F16D3/2245 , F16D3/227
摘要： PROBLEM TO BE SOLVED: To provide a ball-shaped constant velocity joint for preventing a ball from running out of a predetermined position when centrifugal force operates on the ball without securing a contact point between the ball and a first ball groove of an outer ring.
SOLUTION: The peripheral opening width of a window portion 53 of a cage 50 is formed larger than the diameter of the ball 40. Besides, the cage 50 has a first protruded portion 54 protruded from both peripheral ends on at least one of third axial opposite faces of the window portion 53, out of the outer periphery side edges of the window portion 53, toward the center of the window portion 53 so that its third axial opening width is smaller than the diameter of the ball 40.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种球形等速万向接头，用于当离心力在球上操作时防止球脱离预定位置，而不确保球与第一球槽之间的接触点外圈。解决方案：保持架50的窗部53的外周开口宽度形成为大于球40的直径。此外，保持架50具有从两个外周端突出的第一突出部54，窗部53的第三轴向相对面，从窗部53的外周侧边缘朝向窗部53的中心，使得其第三轴向开口宽度小于球40的直径。
版权所有（C）2008，JPO＆INPIT

77. 发明专利

JP2008069888A Fixed type constant velocity universal joint 有权
标题翻译：固定式恒定速度通用接头
公开(公告)号：JP2008069888A
公开(公告)日：2008-03-27
申请号：JP2006249854
申请日：2006-09-14
申请人： Ntn Corp , Ntn株式会社
发明人： FUJIO TERUAKI , HOSHINO MANABU , NAKAGAWA AKIRA , SUGANUMA WASABURO
IPC分类号： F16D3/2237 , F16D3/2245
摘要： PROBLEM TO BE SOLVED: To provide a fixed type constant velocity universal joint, in which the size is reduced, a load capacity with an operating angle is not susceptible to reduction even if the size is reduced, and high-angle strength and durability are improved by alleviating ride of balls on a track at a high angle. SOLUTION: In the fixed type constant velocity universal joint, a cage 28 has four pockets 29 of a pair of long pockets 30 between which a large circumferential space exists and a pair of short pockets 31 between which a small circumferential space exists. The pair of long pockets 30 are shifted 180° to each other along the circumferential direction, and the pair of short pockets 31 are shifted at 180° to each other along the circumferential direction. The long pockets 30 and the short pockets 31 are alternately arranged along the circumferential direction. The long pockets 30 store two balls 27, and the short pockets 31 store one ball. The long pocket 30 has chamfered parts 35, 36 formed in at least one of edge parts on a cage outer spherical surface side and a cage inner spherical surface side. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供尺寸减小的固定式等速万向接头，即使尺寸减小，操作角度的负载能力也不会降低，并且高角度强度和通过减轻高轨道上的球的骑行来改善耐久性。解决方案：在固定式等速万向接头中，保持架28具有一对长口袋30的四个口袋29，其间存在大的周向空间和一对短口袋31，其间存在小的周向空间。一对长口袋30沿圆周方向彼此偏移180°，并且一对短口袋31沿圆周方向相互偏移180°。长口袋30和短口袋31沿圆周方向交替布置。长口袋30储存两个球27，短口袋31储存一个球。长口袋30具有形成在保持架外球面侧和保持架内球面侧的边缘部中的至少一个上的倒角部35,36。版权所有（C）2008，JPO＆INPIT

78. 发明专利

JP2008064291A Steel ball rolling structure and constant velocity universal joint 审中-公开
标题翻译：钢球滚动结构和恒定速度通用接头
公开(公告)号：JP2008064291A
公开(公告)日：2008-03-21
申请号：JP2006245869
申请日：2006-09-11
申请人： Ntn Corp , Ntn株式会社
发明人： SHIODA KAGA , OE HIROKI , MURAMATSU KAZUHIRO
IPC分类号： F16C33/32 , F16D3/2245
CPC分类号： F16D3/224 , F16C33/32 , F16C33/6607 , F16C2240/40 , F16C2240/42 , F16D2300/06 , F16D2300/10
摘要： PROBLEM TO BE SOLVED: To provide a steel ball rolling structure which is superior in oil retaining effects between the surface of a steel ball and the other rolling surface, forms a thick oil film to improve its lubricating performance, and achieves a longer life of the steel ball, and also to provide a constant velocity universal joint.
SOLUTION: The constant velocity universal joint comprises the rolling surface and the steel ball 7 for rolling thereon while being lubricated with grease. The surface roughness of the steel ball 7 approximates the surface roughness of the counterpart rolling surface. A number of micro recessed portions 15 having sizes of several 10 μm or so are arranged on the surface of the steel ball 7.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在钢球表面与另一个滚动面之间的保油效果优异的钢球滚动结构，形成稠油膜以提高其润滑性能，并且实现更长时间钢球的寿命，并提供等速万向节。解决方案：等速万向接头包括滚动表面和用于在其上滚动的钢球7，同时用润滑脂润滑。钢球7的表面粗糙度近似对应的滚动面的表面粗糙度。在钢球7的表面上布置有若干微小的凹部15，其尺寸为10微米左右。（C）2008，JPO＆INPIT

79. 发明专利

JP2008051221A Two member connecting structure 审中-公开
标题翻译：两个会员连接结构
公开(公告)号：JP2008051221A
公开(公告)日：2008-03-06
申请号：JP2006228099
申请日：2006-08-24
申请人： Ntn Corp , Ntn株式会社
发明人： ISHIJIMA MINORU , YAMAZAKI KENTA , MATSUI TAKAHIRO
IPC分类号： F16D3/20 , F16D1/06 , F16D3/2245
摘要： PROBLEM TO BE SOLVED: To firmly connect an inner ring to a shaft, which causes little backlash while surely preventing the come-off without using a retaining ring. SOLUTION: The two member connecting structure comprises: the inner ring 20 mounted on a constant velocity universal joint for transmitting torque while permitting angle displacement between an outer ring and itself; and the shaft 50 pressed into a shaft hole inner diameter 26 of the inner ring 20. The shaft hole inner diameter 26 of the inner ring 20 is uncured, and an uneven portion 54 is formed on a shaft portion outer diameter 52 of the shaft 50 along the circumferential direction and a hardened layer (n) is formed on the shaft portion outer diameter 52. The shaft portion outer diameter 52 of the shaft 50 is pressed into the shaft hole inner diameter 26 of the inner ring 20 to plastically join the shaft 50 to the inner ring 20. On the base side of the uneven portion of the shaft portion outer diameter 52 of the shaft 50, a protrusion 56 is provided which has a tapered face 58 diameter-shrunk toward the front end of the shaft 50 and whose outer diameter is larger than that of the uneven portion 54. At the end on the shaft insertion side of the shaft hole inner diameter 26 of the inner ring 20, a cylindrical inner diameter portion 28 is formed which is smaller than the protrusion 56 of the shaft 50. The protrusion 56 of the shaft 50 is fitted in the cylindrical inner diameter portion 28 of the inner ring 20. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了将内圈牢固地连接到轴上，这确保在不使用固定环的同时确保防止脱落。解决方案：两构件连接结构包括：安装在等速万向接头上的内环20，用于传递扭矩，同时允许外环与其自身之间的角位移; 轴50被压入内圈20的轴孔内径26.内圈20的轴孔内径26未固化，在轴50的轴部外径52上形成有凹凸部54 在轴部外径52上形成有硬化层（n）。轴50的轴部外径52被压入内圈20的轴孔内径26，以将轴在轴50的轴部外径52的不平坦部的基部侧设置有朝向轴50的前端缩径的锥面58的突起56，其外径大于凹凸部54的外径。在内圈20的轴孔内径26的轴插入侧的端部形成有圆筒状的内径部28，该圆筒状的内径部28比轴轴50的突起56装配在内圈20的圆筒形内径部分28中。版权所有（C）2008，JPO＆INPIT

80. 发明专利

JP2008032217A Universal joint and method of manufacturing it 审中-公开
标题翻译：通用接头及其制造方法
公开(公告)号：JP2008032217A
公开(公告)日：2008-02-14
申请号：JP2007142656
申请日：2007-05-29
申请人： Ntn Corp , Ntn株式会社
发明人： OBARA MIKA , HIMENO YOSHIHIDE
IPC分类号： F16D3/20 , C10M101/02 , C10M105/18 , C10M105/32 , C10M105/50 , C10M105/76 , C10M149/14 , C10M169/06 , C10M177/00 , C10N20/00 , C10N30/00 , C10N30/06 , C10N40/04 , C10N50/10 , F16D3/2245
摘要： PROBLEM TO BE SOLVED: To provide a universal joint having excellent lubricant retaining force, capable of minimizing the oozed amount of a lubricating component even if deformed by an external force, capable of preventing a lubricant from spattering from an opening portion, having a long service life, manufacturable at low cost, and having excellent productivity.
SOLUTION: In this universal joint, a torque is transmitted by the engagement of track grooves 4, 5 formed in an outer member 2 and an inner member 3, respectively, with a torque transmission member 6, and the torque transmission member 6s is rolled along the track grooves 4, 5 to move in the axial direction. The porous solid lubricant 10 is enclosed in the universal joint around the torque transmission member 6. The porous solid lubricant 10 necessitates the lubricating component and a resin component, and is formed in a porous solid matter by foaming and hardening the resin component. The universal joint has a spatter prevention means for preventing the lubricating component from spattering from the solid matter.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有优异的润滑剂保持力的万向接头，其能够使润滑成分的渗透量最小化，即使外力变形，能够防止润滑剂从开口部溅射，具有使用寿命长，制造成本低，生产效率高。解决方案：在这种万向接头中，通过与转子传递部件6分别与外部部件2和内部部件3形成的轨道槽4,5,5的啮合来传递转矩，转矩传递部件6s 沿着轨道槽4,5滚动以沿轴向移动。多孔固体润滑剂10被封闭在扭矩传递部件6周围的万向接头中。多孔固体润滑剂10需要润滑成分和树脂成分，并且通过发泡和硬化树脂成分而形成在多孔固体物质中。万向接头具有防止润滑成分从固体物质溅射的飞溅防止机构。版权所有（C）2008，JPO＆INPIT

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