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1. 发明专利

JP2007078097A Shell roller bearing for laminated connecting rod and connecting rod assembly 审中-公开
标题翻译：用于层压连接杆和连接杆组件的壳体滚子轴承
公开(公告)号：JP2007078097A
公开(公告)日：2007-03-29
申请号：JP2005268037
申请日：2005-09-15
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI
IPC分类号： F16C9/04 , B21D39/03 , B21D53/10 , B21D53/12 , F16C7/08 , F16C19/44 , F16C33/46
CPC分类号： F16C7/08 , F16C9/04 , F16C19/466 , F16C33/546
摘要： PROBLEM TO BE SOLVED: To provide a shell roller bearing for a laminated connecting rod and a connecting rod assembly, which can prevent a roller from skewing and traversing. SOLUTION: The shell roller bearing 4 for the laminated connecting rod is pressed in a bearing inserting hole at large end or small end in the laminated connecting rod to form a connecting rod assembly. The shell roller bearing 4 has an outer ring, a plurality of needle rollers 12 and a retainer 13 to retain a plurality of the rollers 12. In the retainer 13, a crosswise intermediate portion is press-formed in a cross sectional shape sunken toward the inside diameter side than both the ends, in which a pocket 14 is formed in a plurality of circumferential positions, and the portion between the adjacent pockets 14 and 14 is made to a pillar 13b. The portion of a shear cross sectional surface 14a in the inside surface in the longitudinal direction of the pocket 14 is shaped flat without a locally projecting swollen portion in the part of the pocket longitudinal direction. This flat shape is obtained as follows, that is, the retainer 13 is press-formed in a strip of steel in such a cross sectional shape that the crosswise intermediate portion is sunken, then the pockets are drawn. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于层压连杆和连杆组件的壳滚子轴承，其可以防止辊偏斜和横动。解决方案：层压连杆的壳滚子轴承4在层叠连杆的大端或小端的轴承插入孔中被压制，形成连杆组件。外壳滚子轴承4具有外圈，多个滚针12和保持器13，以保持多个辊12.在保持器13中，横向中间部分被压制形成为朝向在两个端部的内径侧，其中凹部14形成为多个圆周位置，并且相邻的凹部14和14之间的部分被制成柱13b。在袋14的纵向方向上的内表面中的剪切截面14a的部分成形为平坦的，而在袋纵向方向的部分中没有局部突出的膨胀部分。该平坦形状如下获得，即，保持器13以横截面形状以横截面形状压缩形成在钢带中，使得横向中间部分凹陷，然后拉出凹穴。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007064391A Piston pin support structure of engine, crankshaft support structure of engine, and two-cycle engine 审中-公开
标题翻译：发动机活塞杆支撑结构，起重机发动机支撑结构和双周期发动机
公开(公告)号：JP2007064391A
公开(公告)日：2007-03-15
申请号：JP2005251937
申请日：2005-08-31
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI , TERADA TOMOAKI
IPC分类号： F16C9/04 , F16C19/26 , F16C33/54 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a piston pin support structure of an engine with enhanced anti-seizure property. SOLUTION: In the cage of a shell roller bearing fitted to the small end of a connecting rod, the center part of a column part 22 is bent by pushing to the inner diameter surface 28 side so that its cross sectional shape is formed in a V-shape. The center part of the column is positioned on the inner diameter surface 28 side more than an annular part 21. On the side wall surface 25 of the column part 22, a shearing surface 23 is positioned on the outer diameter surface 27 side, and a fracture surface 24 is formed on the inner diameter surface 28 side. In the shell outer ring contained in the shell roller bearing, when the shell outer ring is press-fitted to a reference ring having an inner diameter hole into which the shell outer ring is press-fitted, the axial straightness of the raceway surface of the shell outer ring is 0.008 mm or less, and the parallelism thereof relative to the inner diameter surface or the outer diameter surface of the reference ring is 0.015 mm or less. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有增强的抗咬合性能的发动机的活塞销支撑结构。解决方案：在安装在连杆小端的外壳滚子轴承的保持架中，柱部22的中心部分通过推动到内径表面28侧弯曲，从而形成横截面形状呈V形。柱的中心部分比环形部分21位于内径表面28一侧。在柱部分22的侧壁表面25上，剪切表面23位于外径表面27侧，并且断裂面24形成在内径面28一侧。在外壳滚子轴承中的外壳外圈中，当外壳外圈压配合到具有内外径孔的参考环时，外壳外圈被压配合到其中，所述外圈外圈的滚道面的轴向平直度外壳外圈为0.008mm以下，其相对于基准环的内径面或外径面的平行度为0.015mm以下。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007024117A Support structure for engine piston pin, support structure for engine crankshaft, and two-cycle engine 审中-公开
标题翻译：发动机活塞杆支撑结构，发动机起重机支撑结构和双周期发动机
公开(公告)号：JP2007024117A
公开(公告)日：2007-02-01
申请号：JP2005204630
申请日：2005-07-13
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI , OOKA SHINYA
IPC分类号： F16C33/54 , F16C9/02
摘要： PROBLEM TO BE SOLVED: To provide a support structure for an engine piston pin and a support structure for an engine crankshaft capable of preventing a roller from skewing and improving a seizure-resistant property.
SOLUTION: The support structure for an engine piston pin has the piston pin for connecting a connecting rod and piston which converts linear reciprocating movements into rotary movements, and a roller bearing disposed at a small end section of the connecting rod and for supporting the piston pin. The support structure for an engine crankshaft comprises the crankshaft connected with the large end section of the connecting rod and outputting rotary motion and the roller bearing for supporting the crankshaft. Pillar sections 22 of a retainer included in the roller bearing is bent in a sectioned V-shape at an internal diameter surface 28 side. On a PCD 26, a shear plane 23 at an external diameter surface 27 side is positioned at the center of a side wall surface 25, and a fracture surface 24 at the internal diameter surface 28 side is positioned on an end section of the side wall surface 25.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于发动机活塞销和用于发动机曲轴的支撑结构的支撑结构，该发动机曲轴能够防止辊偏斜并提高抗咬合性能。解决方案：发动机活塞销的支撑结构具有用于连接连杆和活塞的活塞销，其将线性往复运动转换成旋转运动，以及布置在连杆的小端部处的用于支撑的滚子轴承活塞销。用于发动机曲轴的支撑结构包括与连杆的大端部连接并输出旋转运动的曲轴和用于支撑曲轴的滚子轴承。包括在滚子轴承中的保持器的支柱部分22在内径表面28侧以分段V形弯曲。在PCD26上，外径面27侧的剪切面23位于侧壁面25的中央，内径面28侧的断面24位于侧壁的端部表面25.版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007010109A Needle roller bearing and its cage 审中-公开
标题翻译：针式滚子轴承及其保持架
公开(公告)号：JP2007010109A
公开(公告)日：2007-01-18
申请号：JP2005194897
申请日：2005-07-04
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI
IPC分类号： F16C33/46 , B21D53/12 , F16C19/26 , F16C19/46
摘要： PROBLEM TO BE SOLVED: To provide a needle roller bearing capable of carrying out stable guide of a roller, and to provide its cage.
SOLUTION: A column portion 22 is bent to the side of an inner diameter face 28 into a sectionally V-shape. In a PCD 26, a shear plane 23 on the side of an outer diameter face 27 is located at the center of a side wall face 25 and a fracture plane 24 on the side of the inner diameter face 28 is located at the end of the side wall face 25.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够执行辊的稳定导向并提供其保持架的滚针轴承。解决方案：柱部分22向内径面28侧弯曲为截面V形。在PCD26中，外径面27侧的剪切面23位于侧壁面25的中央，内径面28侧的断面24位于侧墙面25.版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2008175280A One-way clutch 审中-公开
标题翻译：单向离合器
公开(公告)号：JP2008175280A
公开(公告)日：2008-07-31
申请号：JP2007008394
申请日：2007-01-17
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI , NOJIRI HIROMI
IPC分类号： F16D41/06
摘要： PROBLEM TO BE SOLVED: To improve creep resistance force while utilizing advantages of a shell type outer ring, in a one-way clutch using the shell type outer ring. SOLUTION: In the one-way clutch, pockets 13 including circumferentially slanted cam face 12 are formed on an inner face of the outer ring 11, a roller 14 and a pressing spring 15 of the roller are housed in the pocket 13, a wedge angle θ with a narrower side in a certain direction is formed by the cam face 12 and a shaft 17, and the roller 14 is energized in a narrowing direction of the wedge angle θ by the pressing spring 15. It is composed such that the outer ring 11 is so formed as to comprise an ellipse form in its axial cross-sectional shape, and the cam face 12 is formed within a range including both ends of a major axis X in the inner face of the outer ring 11. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在使用壳型外圈的单向离合器中，为了提高耐蠕变力，同时利用壳型外圈的优点。解决方案：在单向离合器中，在外圈11的内表面上形成包括圆周倾斜的凸轮面12的凹穴13，辊14的辊14和压力弹簧15容纳在凹穴13中，通过凸轮面12和轴17形成在一定方向上具有较窄侧的楔角θ，并且辊14通过按压弹簧15沿楔形角度θ的变窄方向被激励。其构成为使得外圈11形成为椭圆形的轴向横截面形状，凸轮面12形成在外圈11的内表面的长轴X的两端的范围内。 P>版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007218374A Roller bearing and cage for roller bearing 审中-公开
标题翻译：滚子轴承和滚子轴承
公开(公告)号：JP2007218374A
公开(公告)日：2007-08-30
申请号：JP2006040969
申请日：2006-02-17
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI
IPC分类号： F16C33/54 , F16C19/26 , F16C33/48
摘要： PROBLEM TO BE SOLVED: To provide a roller bearing capable of stably guiding a roller.
SOLUTION: The side wall face 30 of a pole 22 includes a sheared surface 28 positioned inside the radial direction and punched by a punching blade to form a pocket 23, and a fractured surface 29 positioned outside the radial direction and torn by a material pushed in by the punching blade. Here, the folding angle of the pole 22 to the inner diameter side is 30° or smaller.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够稳定地引导辊的滚子轴承。解决方案：杆22的侧壁面30包括定位在径向方向上的剪切表面28，并由冲压刀冲压以形成袋23，以及位于径向外侧的撕裂表面29，材料被冲压刀片推入。这里，极22与内径侧的折叠角度为30°以下。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007218328A Roller bearing and cage for roller bearing 审中-公开
标题翻译：滚子轴承和滚子轴承
公开(公告)号：JP2007218328A
公开(公告)日：2007-08-30
申请号：JP2006038359
申请日：2006-02-15
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI
IPC分类号： F16C19/26 , F16C33/48 , F16C33/51
CPC分类号： F16C33/547 , F16C9/04 , F16C19/466 , F16C2360/22
摘要： PROBLEM TO BE SOLVED: To provide a roller bearing capable of stably guiding a roller.
SOLUTION: The side wall face 30 of a pole 22 includes a sheared surface 28 positioned inside the radial direction and punched out by a punching blade to form a pocket 23, and a fractured surface 29 positioned outside the radial direction and torn by a material pushed in by the punching blade. Here, a needle bearing 13 has a length A, the pocket 23 has an axial length B, and a chamfered part 32 on one end face 35a side of the needle bearing 13 has an axial length C. When the other end face 35b of the needle bearing 13 is abutted on one width face 34b in the axial direction of the pocket 23 on the one end face 35a side of the needle bearing 13, when the axial length from the other width face 34a in the axial direction of the pocket 23 to a contact part 36 where the sheared surface 28 and the needle bearing 13 contact with each other is D, a relation D>(B-A)+C is satisfied.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够稳定地引导辊的滚子轴承。解决方案：杆22的侧壁面30包括位于径向方向上的剪切表面28，并由冲压刀冲压以形成袋23，以及位于径向外侧并被撕裂的断裂表面29 由冲压刀推入的材料。这里，滚针轴承13具有长度A，凹部23具有轴向长度B，滚针轴承13的一个端面35a侧的倒角部32具有轴向长度C.当另一端面35b 当从口袋23的轴向上的另一个宽度面34a的轴向长度到袋23的轴向方向上的轴向长度从而在滚针轴承13的一个端面35a侧的轴颈方向上的一个宽度面34b抵接在一个宽度面34b上剪切面28和滚针轴承13相互接触的接触部36为D，满足关系D>（BA）+ C。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007147037A Piston pin supporting structure of engine, crank shaft supporting structure of engine, and two cycle engine 审中-公开
标题翻译：发动机活塞杆支撑结构，起重机支撑发动机结构和两个循环发动机
公开(公告)号：JP2007147037A
公开(公告)日：2007-06-14
申请号：JP2005345805
申请日：2005-11-30
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI
IPC分类号： F16C33/58 , F16C9/02 , F16C33/46
摘要： PROBLEM TO BE SOLVED: To provide a piston pin supporting structure of an engine capable of improving resistance to seizure.
SOLUTION: This piston pin supporting structure is provided with a piston pin for connecting a connecting rod with a piston and a shell-shaped roller bearing 11 for supporting the piston pin. This bearing includes a shell-shaped outer ring 12, a plurality of rollers 13, and a cage 14. When the shell-shaped outer ring is press-fitted into a reference ring having an inside diameter hole in which the shell-shaped outer ring is press-fitted, its straightness in the axial direction of the raceway surface of the shell-shaped outer ring is 0.008 mm or less and its parallelism obtained by using the inside diameter face or the outside diameter face of the reference ring as a reference is 0.015 mm or less. The cage includes a pair of annular parts 21 and a column 22 for connecting the annular parts. The side wall face 25 of the column has a shearing face 23 punched out by a punching-out blade so as to form a pocket and a rupture face 24 to be torn off by a material pushed in by the punching-out blade. The roller is guided by the shearing face.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够改善卡住性能的发动机的活塞销支撑结构。解决方案：该活塞销支撑结构设置有用于连接活塞杆的活塞销和用于支撑活塞销的壳形滚子轴承11。该轴承包括壳形外圈12，多个辊13和保持架14.当壳形外圈压配合到具有内径孔的基准环中时，壳形外圈外壳的滚道表面的轴向平直度为0.008mm以下，通过使用基准环的内径面或外径面作为基准而得到的平行度为 0.015mm以下。保持架包括一对环形部分21和用于连接环形部分的柱22。柱的侧壁面25具有由冲出刀片冲压出的剪切面23，以形成凹口和破裂面24，以被被冲出的刀片推入的材料撕开。滚筒由剪切面引导。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2004137553A Whole roller type rolling bearing 有权
公开(公告)号：JP2004137553A
公开(公告)日：2004-05-13
申请号：JP2002303036
申请日：2002-10-17
申请人： Ntn Corp , Ntn株式会社
发明人： MAEDA KIKUO , FUJII YUKIO , ICHIKAWA KENICHI
IPC分类号： F16C33/34 , C21D1/06 , C21D9/40 , C23C8/30 , C23C8/32 , F01L1/18 , F16C33/30 , F16C33/62
摘要： PROBLEM TO BE SOLVED: To provide a whole roller type rolling bearing, which can be adapted to tendency of a high speed and a heavy load in application and a low viscosity of a lubricating oil.
SOLUTION: This rolling bearing comprises an outer ring 4, an inner ring 2 and a roller 3 all made of steel, wherein at least one of the outer ring, the inner ring and the roller is provided with a carbonitriding layer on the surface layer, and the grain sizes of the austenitic crystals on the surface layer are a specified value or larger.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2004060807A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2004060807A
公开(公告)日：2004-02-26
申请号：JP2002221574
申请日：2002-07-30
申请人： Ntn Corp , Ntn株式会社
发明人： MAEDA KIKUO , OKI TSUTOMU , FUJII YUKIO , ICHIKAWA KENICHI
IPC分类号： F01L1/18 , C21D1/06 , C21D9/40 , C23C8/22 , C23C8/32 , F16C19/26 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a product with high strength and long service life by increasing occurrence load of impression or crack when impact load and big load act on an outer ring, in a bearing where the outer periphery of the outer ring rotates while rolling and contacting with a partner cam or a guiding surface. SOLUTION: The bearing comprises the outer ring 4, a rolling element 3, and an inner ring 2. In addition to a rolling surface disposed inside surrounded with the outer ring, the outer peripheral surface of the outer ring is used as the rolling surface. A compressive stress is formed in a surface layer section of the rolling surface at least inside the outer ring. COPYRIGHT: (C)2004,JPO

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