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    Slide-type constant velocity universal joint
    1.
    发明授权
    Slide-type constant velocity universal joint 有权
    滑动式等速万向节

    公开(公告)号：US08079913B2

    公开(公告)日：2011-12-20

    申请号：US11992191

    申请日：2006-09-19

    申请人： Masazumi Kobayashi ,  Kisao Yamazaki

    发明人： Masazumi Kobayashi ,  Kisao Yamazaki

    IPC分类号： F16D3/227

    CPC分类号： F16D3/227 ,  F16D3/2237 ,  F16D2003/22303 ,  F16D2003/22309 ,  Y10S464/906 ,  Y10T403/32057

    摘要： A light and compact slide-type constant velocity universal joint has a maximum operating angle of 30° or more through optimization of a ball contact angle relative to ball grooves, a ball contact ratio, and a cage offset amount. In the slide-type constant velocity universal joint, a ratio of ball diameter to outer ring outer diameter is 0.21 to 0.25, a ratio of ball pitch diameter to outer ring outer diameter is 0.64 to 0.68, a contact angle of the ball groove is 30° to 35°, a contact ratio of the ball groove is 1.02 to 1.08, and a ratio of cage offset amount to ball pitch diameter is 0.07 to 0.09.

    摘要翻译： 通过优化相对于球槽的球接触角，球接触比和保持架偏移量，轻巧紧凑的滑动式等速万向接头具有30°或更大的最大工作角度。 在滑动式等速万向接头中，球直径与外圈外径的比为0.21〜0.25，球节圆直径与外圈外径的比为0.64〜0.68，球槽的接触角为30 °至35°，球槽的接触比为1.02〜1.08，保持架偏移量与球距直径之比为0.07〜0.09。

    Fixed type constant velocity universal joint
    3.
    发明授权
    Fixed type constant velocity universal joint 有权
    固定式等速万向节

    公开(公告)号：US08342971B2

    公开(公告)日：2013-01-01

    申请号：US12522981

    申请日：2008-01-07

    申请人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Hisaaki Kura ,  Shin Tomogami

    发明人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Hisaaki Kura ,  Shin Tomogami

    IPC分类号： F16D3/224

    CPC分类号： F16D3/2245 ,  F16D3/2237

    摘要： A fixed type constant velocity universal joint secures smooth rotation and reduces a load on a cage even at a large operating angle and when bearing large torque. The universal joint includes an outer joint member having an inner spherical surface in which track grooves are circumferentially formed in an axial direction and an inner joint member having an outer spherical surface in which track grooves paired with the track grooves of the outer joint member are circumferentially formed in the axial direction and multiple outer spherical surface portions circumferentially arranged. Balls are interposed between the track grooves of the outer and inner joint members for transmitting torque. A cage is interposed between the inner spherical surface and the outer spherical surface for retaining the balls. A spherical surface angle of the outer spherical surface on a joint opening side is set to 12.5° or more.

    摘要翻译： 固定式等速万向接头即使在大的作业角度以及承受较大的转矩时，也能保持平稳的转动并减小保持架上的载荷。 万向接头包括具有内球面的外接头构件，其中在轴向方向上周向形成有轨道槽，并且具有外球面的内接头构件，其中与外接头构件的轨道槽成对的轨道槽是周向的 沿圆周方向形成有多个外球面部。 球体设置在外侧和内侧接头构件的轨道槽之间，用于传递扭矩。 在内球形表面和外球面之间插入保持架以保持球。 接头开口侧的外球面的球面角度设定为12.5°以上。

    OUTER JOINT MEMBER FOR FIXED CONSTANT VELOCITY UNIVERSAL JOINT
    4.
    发明申请
    OUTER JOINT MEMBER FOR FIXED CONSTANT VELOCITY UNIVERSAL JOINT 有权
    固定速度通用接头的外部接头成员

    公开(公告)号：US20110269556A1

    公开(公告)日：2011-11-03

    申请号：US13143761

    申请日：2009-12-18

    申请人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Minoru Ishijima

    发明人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Minoru Ishijima

    IPC分类号： F16D3/24 ,  F16D3/16

    CPC分类号： B21K1/765 ,  B21K1/762 ,  F16D3/223 ,  F16D3/2245 ,  F16D2003/22309 ,  F16D2250/0023

    摘要： Provided is an outer joint member for a fixed type constant velocity universal joint, the outer joint member contributing to reduction of the number of man-hours through reduction of the number of post processes after a forging process, and to an increase in yield, and reduction of manufacturing cost. The outer joint member for a fixed type constant velocity universal joint includes a cup section (16) and a shaft section (18) extending in an axial direction from a bottom portion of the cup section (16). The outer joint member is made of machine-structural carbon steel. The following portions of the outer joint member are finished by cold forging: track grooves (12); radially inner spherical-surface portions (14a); a cup-inlet chamfer (12b); track chamfers (12c); track-inlet chamfers (12a); a part except for a boot fixing portion (19) on a radially outer surface of the cup section (16); and a center hole (13) at an end surface (18a) of the shaft section (18).

    摘要翻译： 本发明提供一种用于固定式等速万向接头的外接头构件，该外接头构件通过减少锻造工序后的后加工次数而有助于减少工时数，并提高产量， 降低制造成本。 用于固定式等速万向接头的外接头构件包括杯部（16）和从杯部（16）的底部沿轴向延伸的轴部（18）。 外接头构件由机械结构碳钢制成。 外接头部件的以下部分通过冷锻成形：轨道槽（12）; 径向内部球面部分（14a）; 杯入口倒角（12b）; 轨道倒角（12c）; 轨道入口倒角（12a）; 除了在杯部（16）的径向外表面上的靴固定部（19）之外的部分; 以及在所述轴部（18）的端面（18a）处的中心孔（13）。

    FIXED-TYPE, CONSTANT-VELOCITY UNIVERSAL JOINT
    5.
    发明申请
    FIXED-TYPE, CONSTANT-VELOCITY UNIVERSAL JOINT 有权
    固定式，恒定速度通用接头

    公开(公告)号：US20110059804A1

    公开(公告)日：2011-03-10

    申请号：US12990988

    申请日：2009-05-01

    申请人： Kisao Yamazaki ,  Masazumi Kobayashi

    发明人： Kisao Yamazaki ,  Masazumi Kobayashi

    IPC分类号： F16D3/223

    CPC分类号： F16D3/2245 ,  F16D3/223 ,  F16D2003/22309

    摘要： Provided is a fixed type constant velocity universal joint which is capable of achieving the following even at the time of an unexpected high-angle operation, in particular, even when an angle expected during use of a constant velocity universal joint is exceeded: reduction of stress generated when balls and edge portions interfere with each other, suppression of chipping of the edge portions, and prolongation of a service life of the joint as a whole. The fixed type constant velocity universal joint includes: an outer joint member having an inner surface (21) in which a plurality of track grooves (22) are formed; an inner joint member having an outer surface (24) in which a plurality of track grooves (25) are formed; a plurality of balls (27) interposed between the track grooves (22) of the outer joint member and the track grooves (25) of the inner joint member, for transmitting torque; and a retainer (28) for retaining the balls (27), in which a cutout round portion (32) is provided at least at a ball-contact-point corresponding part on a track inlet end (22a) of each of the track grooves (22) of the outer joint member.

    摘要翻译： 即使在意外的大角度运转时也能够得到以下的固定式等速万向接头，特别是即使超过使用等速万向接头时所期望的角度，也能够得到以下应用：减小应力 当球和边缘部分彼此干涉，抑制边缘部分的切屑并且延长连接件整体的使用寿命时产生。 固定式等速万向接头包括：外接头构件，其具有形成有多个轨道槽（22）的内表面（21）; 具有形成有多个轨道槽（25）的外表面（24）的内侧接头构件; 插入在外侧接头构件的轨道槽（22）和内侧接头构件的轨道槽（25）之间用于传递转矩的多个球（27） 以及用于保持球（27）的保持器（28），其中至少在每个轨道槽的轨道入口端（22a）上的球接触点对应部分处设置有切口圆形部分（32） （22）。

    Constant velocity universal joint
    6.
    发明申请
    Constant velocity universal joint 审中-公开
    恒速万向节

    公开(公告)号：US20100234115A1

    公开(公告)日：2010-09-16

    申请号：US12308576

    申请日：2007-04-27

    申请人： Kazuhiko Yoshida ,  Masazumi Kobayashi ,  Kazuhiro Azuma

    发明人： Kazuhiko Yoshida ,  Masazumi Kobayashi ,  Kazuhiro Azuma

    IPC分类号： F16D3/223 ,  F16D3/20 ,  F16D3/224

    CPC分类号： F16D3/2245 ,  F16D3/223 ,  F16D3/2237 ,  F16D2003/22303 ,  F16D2250/00 ,  F16D2300/10

    摘要： The present invention provides a compact constant velocity universal joint having high strength, and superior operability and durability. In the constant velocity universal joint of the present invention, an offset angle øT formed by a center of curvature OT0 of a guiding groove 2b of an outer component 2, an intersecting point Q between a joint plane P and a PCD, and a center of curvature OT1 of a guiding groove 3b of an inner component 3 is set to 11.0°≦øT≦15.0°.

    摘要翻译： 本发明提供了一种具有高强度，优异的可操作性和耐久性的紧凑型等速万向接头。 在本发明的等速万向接头中，通过外部部件2的引导槽2b的曲率中心O o，接合面P和PCD的交点Q与中心的偏移角øT， 内部部件3的引导槽3b的曲率OT1被设定为11.0°＆lt; nlE;øT＆nlE; 15.0°。

    Drive shaft for ATVs
    7.
    发明申请
    Drive shaft for ATVs 有权
    ATV驱动轴

    公开(公告)号：US20050261068A1

    公开(公告)日：2005-11-24

    申请号：US11123238

    申请日：2005-05-06

    申请人： Tohru Nakagawa ,  Masazumi Kobayashi ,  Takaaki Shibata

    发明人： Tohru Nakagawa ,  Masazumi Kobayashi ,  Takaaki Shibata

    IPC分类号： F16C3/02 ,  F16D3/16 ,  F16D3/2237 ,  F16D3/227

    CPC分类号： F16D3/2237 ,  F16D3/223 ,  Y10S464/906

    摘要： In a drive shaft which is installed in a mounted type vehicle designed to traverse uneven terrains and which transmits drive power to the wheels through constant velocity joints on the inboard and outboard sides, a double offset type constant velocity joint is used on the inboard side and an undercut free type constant velocity joint is used on the outboard side, the ratio of the PCD of the double offset type constant velocity joint to the ball diameter (PCD/d=r1) being in the range 3.0

    摘要翻译： 在安装在横穿不平坦地形的安装式车辆中并通过内侧和外侧的等速接头向车轮传递驱动力的驱动轴中，在内侧使用双偏移型等速万向节， 在外侧使用无切削型等速万向接头，双偏移型等速万向接头的PCD与球直径（PCD / d = r 1 1 <1）的比率在该范围内 3.0

    Outer joint member for fixed constant velocity universal joint
    9.
    发明授权
    Outer joint member for fixed constant velocity universal joint 有权
    固定等速万向节外接头

    公开(公告)号：US08529360B2

    公开(公告)日：2013-09-10

    申请号：US13143761

    申请日：2009-12-18

    申请人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Minoru Ishijima

    发明人： Masazumi Kobayashi ,  Kisao Yamazaki ,  Minoru Ishijima

    IPC分类号： F16D3/224 ,  C21D7/02

    CPC分类号： B21K1/765 ,  B21K1/762 ,  F16D3/223 ,  F16D3/2245 ,  F16D2003/22309 ,  F16D2250/0023

    摘要： An outer joint member for a fixed type constant velocity universal joint contributes to the reduction of the number of man-hours through the reduction of the number of processes after a forging process, to an increase in yield, and to the reduction of manufacturing cost. The outer joint member is made of machine-structural carbon steel. The portions of the outer joint member that are finished by cold forging are track grooves, radially inner spherical-surface portions, a cup-inlet chamfer, track chamfers, track-inlet chamfers, a part except for a boot fixing portion on a radially outer surface of the cup section, and a center hole at an end surface of the shaft section.

    摘要翻译： 用于固定式等速万向接头的外接头构件通过减少锻造过程之后的加工次数，提高产量和降低制造成本，有助于减少工时。 外接头构件由机械结构碳钢制成。 通过冷锻来精加工的外接头部件的部分是轨道槽，径向内球面部分，杯形入口倒角，轨道倒角，轨道入口倒角，径向外侧除外壳固定部分之外的部分 杯部的表面和轴部的端面的中心孔。