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1. 发明授权

US09394949B2 Tripod type constant velocity universal joint and method for producing same 有权
标题翻译：三脚架式等速万向节及其制造方法
公开(公告)号：US09394949B2
公开(公告)日：2016-07-19
申请号：US14355281
申请日：2012-11-05
申请人： Jiahua Miao , Shunsuke Makino , Hiroshi Murakami , Taku Itagaki , Hiroshi Adachi , Makoto Ikki
发明人： Jiahua Miao , Shunsuke Makino , Hiroshi Murakami , Taku Itagaki , Hiroshi Adachi , Makoto Ikki
IPC分类号： B21K1/76 , B23K9/00 , F16D3/202 , F16D3/22 , B23P9/00 , B24B19/08 , F16D3/205
CPC分类号： F16D3/22 , B21K1/763 , B23P9/00 , B24B19/08 , F16D3/202 , F16D3/2055 , F16D2003/2023 , F16D2003/2026 , Y10T29/49826
摘要： A tripod type constant velocity universal joint includes an outer joint member including three track grooves having roller-guide surfaces arranged to face each other in a circumferential direction, a tripod member including three leg shafts projecting in a radial direction, and roller units each including a roller and an inner ring for supporting the roller in a freely rotatable manner. The inner ring is externally fitted to a corresponding one of the three leg shafts. The roller is movable along the roller-guide surfaces of a corresponding one of the three track grooves. Each of the three leg shafts includes a region formed into a substantially circular-arc shape in horizontal cross-section that is orthogonal to an axial line of each of the three leg shafts.
摘要翻译：三脚架式等速万向接头包括：外接头构件，包括具有沿圆周方向彼此相对配置的辊导向表面的三个轨道槽;三轴架，包括沿径向突出的三个腿轴;以及滚子单元，辊和内圈，用于以可自由旋转的方式支撑辊。内圈外部安装在三根腿轴中相应的一个。滚子可以沿着三个轨道槽中对应的一个的滚子导向表面移动。三个腿轴中的每一个包括与三个腿轴中的每一个的轴线垂直的水平横截面形成为大致圆弧形状的区域。

2. 发明申请

US20140287841A1 TRIPOD TYPE CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR PRODUCING SAME 有权
标题翻译：三联类型恒定速度通用接头及其生产方法
公开(公告)号：US20140287841A1
公开(公告)日：2014-09-25
申请号：US14355281
申请日：2012-11-05
申请人： Jiahua Miao , Shunsuke Makino , Hiroshi Murakami , Taku Itagaki , Hiroshi Adachi , Makoto Ikki
发明人： Jiahua Miao , Shunsuke Makino , Hiroshi Murakami , Taku Itagaki , Hiroshi Adachi , Makoto Ikki
IPC分类号： F16D3/22
CPC分类号： F16D3/22 , B21K1/763 , B23P9/00 , B24B19/08 , F16D3/202 , F16D3/2055 , F16D2003/2023 , F16D2003/2026 , Y10T29/49826
摘要： A tripod type constant velocity universal joint includes an outer joint member including three track grooves having roller-guide surfaces arranged to face each other in a circumferential direction, a tripod member including three leg shafts projecting in a radial direction, and roller units each including a roller and an inner ring for supporting the roller in a freely rotatable manner. The inner ring is externally fitted to corresponding one of the three leg shafts. The roller is movable along the roller-guide surfaces of corresponding one of the three track grooves. Each of the three leg shafts includes a region formed into a substantially circular-arc shape in horizontal cross-section that is orthogonal to an axial line of the each of the three leg shafts.
摘要翻译：三脚架式等速万向接头包括：外接头构件，包括具有沿圆周方向彼此相对配置的辊导向表面的三个轨道槽;三轴架，包括沿径向突出的三个腿轴;以及滚子单元，辊和内圈，用于以可自由旋转的方式支撑辊。内圈外部安装在三根腿轴中的相应的一个。滚子可以沿着三个轨道槽中相应一个的滚子导向表面移动。三个腿轴中的每一个包括与三根腿轴中的每一个的轴线正交的水平横截面形成为大致圆弧形状的区域。

3. 发明授权

US08491398B2 Tripod type constant-velocity universal joint and method for producing the same 有权
标题翻译：三脚架式等速万向节及其制造方法
公开(公告)号：US08491398B2
公开(公告)日：2013-07-23
申请号：US13259504
申请日：2010-04-02
申请人： Junichi Izumino , Kenji Konaka , Hiroshi Murakami , Akira Sera , Jiahua Miao , Shunsuke Makino
发明人： Junichi Izumino , Kenji Konaka , Hiroshi Murakami , Akira Sera , Jiahua Miao , Shunsuke Makino
IPC分类号： F16D3/205
CPC分类号： F16D3/2055 , B21K1/763 , F16D2003/2026 , F16D2250/00
摘要： A manufacturing method for a tripod type constant velocity universal joint includes, when forging a raw-shaped material corresponding to each of three journals into a journal shape using a molding surface of a die and in a state where a relief portion is provided on a raw-shaped-material-leading-end-side of the die, molding an outer peripheral surface of the raw-shaped material into a projected round shape. The molding occurring with a tapered surface formed on the molding surface with which the outer peripheral surface of the raw-shaped material is held in contact and a recessed round surface formed between the molding surface and the tapered surface.
摘要翻译：三脚架式等速万向接头的制造方法包括：使用模具的成型面将与三个轴颈对应的原料形状锻造成轴颈状时，并且在将原料成型材料前端侧，将原料的外周面成型为突出的圆形。模制件形成在形成在成形表面上的锥形表面，原材料的外周表面与该成形表面保持接触，并且在成型表面和锥形表面之间形成凹入的圆形表面。

4. 发明申请

US20120021842A1 TRIPOD TYPE CONSTANT-VELOCITY UNIVERSAL JOINT AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：三重类型恒定速度通用接头及其制造方法
公开(公告)号：US20120021842A1
公开(公告)日：2012-01-26
申请号：US13259504
申请日：2010-04-02
申请人： Junichi Izumino , Kenji Konaka , Hiroshi Murakami , Akira Sera , Jiahua Miao , Shunsuke Makino
发明人： Junichi Izumino , Kenji Konaka , Hiroshi Murakami , Akira Sera , Jiahua Miao , Shunsuke Makino
IPC分类号： F16D3/205 , B21K1/14
CPC分类号： F16D3/2055 , B21K1/763 , F16D2003/2026 , F16D2250/00
摘要： Provided is a manufacturing method for a tripod type constant velocity universal joint including: an outer joint member having an inner peripheral surface provided with: three track grooves extending in an axial direction; and roller-guide surfaces extending in the axial direction on both sides of each of the three track grooves; a tripod member including three journals each projected into a radial direction; and a roller unit supported rotatably around each of the three journals of the tripod member and inserted rollably in each of the three track grooves of the outer joint member, the manufacturing method including, when forging a raw-shaped material corresponding to each of the three journals into a journal shape with use of a molding surface of a die, under a state in which a relief portion is provided on a raw-shaped-material-leading-end-side of the die, molding an outer peripheral surface of the raw-shaped material into a projected round shape with use of a tapered surface formed on the molding surface with which the outer peripheral surface of the raw-shaped material is held in contact and a recessed round surface formed between the molding surface and the tapered surface.
摘要翻译：本发明提供一种三脚架式等速万向接头的制造方法，其特征在于，包括：外侧接头构件，其具有设置有沿轴向延伸的三个轨道槽的内周面; 以及在三个轨道槽的每一个的两侧沿轴向延伸的辊导向表面; 一个三脚架构件，其中包括各自沿径向方向投射的三个期刊; 以及滚子单元，其可旋转地支撑在三脚架构件的三个轴颈的每一个周围并且可滚动地插入到外接头构件的三个轨道槽中的每一个中，该制造方法包括当锻造与三个脚架构件中的每一个相对应的原始形状材料时在模具的原料前端侧设置有使浮雕部设置在模具的外周面的状态下，使用模具的成型面将其形成为轴颈形状使用形成在成型面的成形面上的锥形表面形成投影圆形的原料形状的材料与该成型材料的外周面保持接触，以及形成在成形表面和锥形表面之间的凹入的圆形表面。

5. 发明授权

US08353778B2 Forging method, closed forging mold and tripod uniform motion universal joint 有权
标题翻译：锻造方法，封闭锻造模具和三脚架均匀运动万向节
公开(公告)号：US08353778B2
公开(公告)日：2013-01-15
申请号：US13129648
申请日：2009-11-30
申请人： Jiahua Miao , Akira Sera , Shunsuke Makino
发明人： Jiahua Miao , Akira Sera , Shunsuke Makino
IPC分类号： F16D3/205 , B21D22/02
CPC分类号： F16D3/2055 , B21J5/02 , B21J5/025 , B21K1/762 , B21K1/763 , F16D2250/00
摘要： A forging method and a full-enclosed forging die contribute to the alleviation of an enclosing force applied to dies and in which a relatively small enclosing apparatus can be used even with respect to larger-sized products. A tripod type constant velocity universal joint is formed with a tripod member molded with the full-enclosed forging die. The full-enclosed forging die includes openable/closable dies and punches for pressing a material between the dies. From the forging die, the tripod member including a boss portion and shaft portions protruded radially from the boss portion is molded.
摘要翻译：锻造方法和全封闭锻造模具有助于减轻施加到模具的封闭力，并且即使对于较大尺寸的产品也可以使用相对较小的封闭装置。三脚架式等速万向接头用全封闭锻造模具成型的三脚架构件形成。全封闭锻造模具包括可打开/关闭的模具和用于在模具之间挤压材料的冲头。由锻造模具成型具有凸起部的三脚架构件和从凸台部径向突出的轴部。

6. 发明申请

US20110224005A1 FORGING METHOD, MOLDING DEVICE FOR FORGINGS, AND TRIPOD UNIFORM MOTION UNIVERSAL JOINT 有权
标题翻译：锻造方法，用于锻造的模具和三维运动通用联合
公开(公告)号：US20110224005A1
公开(公告)日：2011-09-15
申请号：US13129650
申请日：2009-11-30
申请人： Jiahua Miao , Akira Sera , Shunsuke Makino
发明人： Jiahua Miao , Akira Sera , Shunsuke Makino
IPC分类号： F16D3/26 , B21D22/00
CPC分类号： B21J5/025 , B21J5/02 , B21J9/02 , B21J9/022 , B21K1/762 , B21K1/763 , F16D3/2055 , F16D3/34 , F16D2250/00
摘要： Provided are a forging method, a forged-product molding apparatus, and a tripod type constant velocity universal joint which contribute to reduction of shear drop and avoidance of an increase in processing load generated through contact of a leading end surface of a shaft portion and dies even when an excessively-heavy raw material is mixed so that a life of the die can be prolonged. After molding a product-to-be-preliminarily-molded to form a preliminarily molded product (20A) as a material, the preliminarily molded product (20A) is put into a full-enclosed forging die (30) so that a product is molded with the full-enclosed forging die (30). On a preliminary leading-end surface to be formed as a leading end surface (17a) of a shaft portion (17) of the product formed of the preliminarily molded product (20A), there is formed a shear-drop suppressing portion (65) for suppressing thickness reduction on a boss-portion side of an outer peripheral portion of the leading end surface (17a) of the shaft portion (17) of the product (16). At a time of putting the preliminarily molded product (20A) into the full-enclosed forging die (30) so as to mold the product (16), a relief portion (26) is formed between the leading end surface (17a) of the shaft portion (17) to be formed and a cavity (24) of the full-enclosed forging die (30).
摘要翻译：提供锻造方法，锻造产品成型装置和三脚架式等速万向接头，其有助于降低剪切降低，并且避免由于轴部和模具的前端面的接触而产生的加工负荷的增加即使当过度沉重的原料混合，从而可以延长模具的使用寿命。在将预成型产品成型后，形成预成型品（20A）作为材料，将预成型品（20A）放入全封闭锻造模具（30）中，成型品全封闭锻造模具（30）。在由预成型体（20A）形成的产品的轴部（17）的前端面（17a）形成的预备前端面上形成有剪切抑制部（65），用于抑制产品（16）的轴部（17）的前端面（17a）的外周部的凸台部侧的厚度减小。在将预成型体（20A）投入到全封闭锻造模具（30）中以成形产品（16）的时刻，在所述前端面（17a）之间形成有释放部（26）要形成的轴部分（17）和全封闭锻模（30）的空腔（24）。

7. 发明授权

US09132473B2 Forging method, molding device for forgings, and tripod uniform motion universal joint 有权
标题翻译：锻造方法，锻件成型装置，三脚架均匀运动万向节
公开(公告)号：US09132473B2
公开(公告)日：2015-09-15
申请号：US14515604
申请日：2014-10-16
申请人： Jiahua Miao , Akira Sera , Shunsuke Makino
发明人： Jiahua Miao , Akira Sera , Shunsuke Makino
IPC分类号： B21J13/00 , B21J5/02 , B21K1/76 , F16D3/205 , B21J9/02 , F16D3/34
CPC分类号： B21J5/025 , B21J5/02 , B21J9/02 , B21J9/022 , B21K1/762 , B21K1/763 , F16D3/2055 , F16D3/34 , F16D2250/00
摘要： After molding a product-to-be-preliminarily-molded to form a preliminarily molded product as a material, the preliminarily molded product is put into a full-enclosed forging die so that a product is molded with the full-enclosed forging die. On a preliminary leading-end surface to be formed as a leading end surface of a shaft portion of the product formed of the preliminarily molded product, there is formed a shear-drop suppressing portion for suppressing thickness reduction on a boss-portion side of an outer peripheral portion of the leading end surface of the shaft portion of the product. At a time of putting the preliminarily molded product into the full-enclosed forging die so as to mold the product, a relief portion is formed between the leading end surface of the shaft portion to be formed and a cavity of the full-enclosed forging die.
摘要翻译：在将要预先成型的产品成型以形成预成型产品作为材料之后，将预成型产品放入全封闭的锻造模具中，使得产品用全封闭的锻造模具成型。在由预成型品形成的产品的轴部的前端面形成的预备前端面上形成有用于抑制凸起部侧的厚度减少的剪切抑制部，产品的轴部的前端面的外周部。在将预成型品投入到全封闭锻造模具中以成型产品的时刻，在要形成的轴部的前端面与全封闭锻造模具的空腔之间形成有浮雕部。

8. 发明申请

US20110224004A1 FORGING METHOD, CLOSED FORGING MOLD AND TRIPOD UNIFORM MOTION UNIVERSAL JOINT 有权
标题翻译：锻造方法，闭模锻模和三辊均匀运动通用连接
公开(公告)号：US20110224004A1
公开(公告)日：2011-09-15
申请号：US13129648
申请日：2009-11-30
申请人： Jiahua Miao , Akira Sera , Shunsuke Makino
发明人： Jiahua Miao , Akira Sera , Shunsuke Makino
IPC分类号： F16D3/27 , B21D22/00
CPC分类号： F16D3/2055 , B21J5/02 , B21J5/025 , B21K1/762 , B21K1/763 , F16D2250/00
摘要： Provided are a forging method and a full-enclosed forging die which contribute to alleviation of an enclosing force applied to dies and in which a relatively small enclosing apparatus can be used even with respect to larger-sized products. Further, provided is a tripod type constant velocity universal joint using a tripod member molded with such a full-enclosed forging die. Using a full-enclosed forging die including openable/closable dies (11, 12) and punches (14, 15) for pressing a material between the dies (11, 12), a product (tripod member) (16) including a boss portion (18) and shaft portions (17) protruded radially from the boss portion (18) is molded. A projection area in a boss-portion axial direction toward a die (11, 12) side of the boss portion (18) is made to be smaller than another projection area in the boss-portion axial direction toward the die side, the another projection area being defined when a radially outer surface is formed as a single convex curved surface about a boss-portion axial center.
摘要翻译：提供了锻造方法和全封闭锻造模具，其有助于减轻施加到模具的封闭力，并且其中即使对于较大尺寸的产品也可以使用相对较小的封闭装置。此外，提供了使用用这种全封闭锻造模具成型的三脚架构件的三脚架式等速万向接头。使用包括可打开/关闭的模具（11,12）的全封闭的锻造模具和用于在模具（11,12）之间挤压材料的冲头（14,15），包括凸起部分（16）的产品（三脚架构件）（18）和从凸台部（18）径向突出的轴部（17）。凸台部轴向朝向凸台部（18）的模具（11,12）侧的突出区域比凸起部轴向朝向冲模侧的另一投影面积小，另一凸部当径向外表面形成为围绕凸台部分轴向中心的单个凸曲面时限定区域。

9. 发明授权

US09149859B2 Forging method, molding device for forgings, and tripod uniform motion universal joint 有权
标题翻译：锻造方法，锻件成型装置，三脚架均匀运动万向节
公开(公告)号：US09149859B2
公开(公告)日：2015-10-06
申请号：US13129650
申请日：2009-11-30
申请人： Jiahua Miao , Akira Sera , Shunsuke Makino
发明人： Jiahua Miao , Akira Sera , Shunsuke Makino
IPC分类号： B21J5/02 , B21K1/76 , F16D3/205 , B21J9/02 , F16D3/34
CPC分类号： B21J5/025 , B21J5/02 , B21J9/02 , B21J9/022 , B21K1/762 , B21K1/763 , F16D3/2055 , F16D3/34 , F16D2250/00
摘要： After molding a preliminarily molded product as a material, the preliminarily molded product is put into a full-enclosed forging die so that a product is molded with the full-enclosed forging die. A shear-drop suppressing portion for suppressing thickness reduction on a boss-portion side of an outer peripheral portion of a leading end surface of each of shaft portions of the product is formed on the preliminary leading-end surface configuring a leading end surface of each of the shaft portions of the product in the preliminarily molded product. When the preliminarily molded product is put into the full-enclosed forging die and the product is to be molded, a relief portion is formed between the leading end surface of each of the shaft portions to be molded and a cavity of the full-enclosed forging die.
摘要翻译：在将预成型品作为材料成型后，将预成型品投入全封闭的锻造用模具中，以全封闭的锻造模具成型。在构成每个轴的前端面的预备前端面上形成有用于抑制产品的各轴部的前端面的外周部的凸台部侧的厚度减少的剪切抑制部，的预成型品中的产品的轴部。当预先成型的产品被放入全封闭锻造模具中并且产品被模制时，在待模制的每个轴部分的前端表面和全封闭锻造的空腔之间形成一个释放部分死。

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