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公开(公告)号：EP3202639A1
公开(公告)日：2017-08-09
申请号：EP17154035.4
申请日：2017-01-31
申请人： JTEKT CORPORATION
摘要： In a steering system, a first universal joint 9 includes a first yoke 20 coupled to an intermediate shaft 4. A second universal joint 10 includes a fourth yoke 60 paired with a third yoke 50 coupled to the intermediate shaft 4 and a shaft attachment portion 70 joined to the fourth yoke 60 and in which a bolt insertion hole 73 allowing a pinion shaft 5 to be clamped is formed. When an angle β between the intermediate shaft 4 and a steering shaft 3 is set to θ1, an around-axis angle α of the first yoke 20 in a rotating direction S is set to ω1, and an angle between the intermediate shaft 4 and the pinion shaft 5 is set to θ2, a junction angle ε between the fourth yoke 60 and the shaft attachment portion 70 in the rotating direction S is adjusted to set an around-axis angle φ of the bolt insertion hole 73 in the rotating direction S to a preset angle ω2.
摘要翻译： 在转向系统中，第一万向节9包括耦合到中间轴4的第一轭20.第二万向节10包括与耦合到中间轴4的第三轭50成对的第四轭60和轴连接部70 与第四磁轭60接合，并且形成有允许小齿轮轴5被夹持的螺栓插入孔73。 当中间轴4与转向轴3之间的角度β被设定为θ1时，第一磁轭20在旋转方向S上的绕轴线角度α被设定为ω1，并且中间轴4与 小齿轮轴5设定为θ2时，调整第四磁轭60与轴安装部70之间的旋转方向S的接合角ε，以使螺栓插通孔73的旋转方向S的轴周角φ为 预设角度ω2。
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公开(公告)号：EP3901483A1
公开(公告)日：2021-10-27
申请号：EP21169163.9
申请日：2021-04-19
申请人： JTEKT CORPORATION
发明人： NEZU, Toshihiro , TANO, Atsushi , TSUJI, Naoki
摘要： An extendable shaft (5) includes: an inner shaft (35) including a plurality of external teeth (41); an outer shaft (36) including a plurality of internal teeth (39) that slides relatively to the external teeth (41); and a resin layer (50) covering the external teeth (41). The pressure angle of the external teeth (41) is different from the pressure angle of the internal teeth (39).
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公开(公告)号：EP3705256A1
公开(公告)日：2020-09-09
申请号：EP20159527.9
申请日：2020-02-26
摘要： A method for manufacturing a spline telescopic shaft according to the present invention includes a toothless portion forming step (S2) of forming a toothless portion in one of an external tooth of a shaft body (40) and an internal tooth of a tubular body, a resin layer forming step (S3) of forming a resin layer (50) by arranging one of the shaft body (40) and the tubular body in a mold including a cavity and injecting a resin into the cavity, the cavity being included in a flat receiving surface that faces tooth flanks of one of the external tooth of the shaft body (40) and the internal tooth of the tubular body, and a cooling step (S4) of cooling one of the shaft body (40) including the resin layer (50) and the tubular body including the resin layer (50) to form a lubricant reservoir (52) in the resin layer (50).
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公开(公告)号：EP3249253A1
公开(公告)日：2017-11-29
申请号：EP17169927.5
申请日：2017-05-08
申请人： JTEKT CORPORATION
IPC分类号： F16D3/38
CPC分类号： F16D3/387 , F16C3/03 , F16D1/0864 , F16D3/06 , F16D3/40
摘要： A first yoke includes a tubular portion extending in a first direction, a flange, and a pair of arms extending from the flange. Support holes for a joint spider are formed at tips of the respective arms. The arms have respective inner surfaces facing each other in a second direction. Each of the inner surfaces includes a first recessed portion and a second recessed portion as viewed in a third direction orthogonal to the first direction and the second direction. The first recessed portions are recessed such that the distance between the inner surfaces of the arms increases from a start end located closer to an opening edge of each support hole toward an end point located closer to a base end of the arm. Each of the second recessed portions connects the end point to an end surface of a flange so as to form a curved surface.
摘要翻译： 第一轭铁包括沿第一方向延伸的管状部分，凸缘和从凸缘延伸的一对臂。 在各个臂的尖端形成用于联合星形轮的支撑孔。 臂具有在第二方向上彼此面对的相应内表面。 当沿与第一方向和第二方向正交的第三方向观察时，每个内表面包括第一凹陷部分和第二凹陷部分。 第一凹部凹入使得臂的内表面之间的距离从位于更靠近每个支撑孔的开口边缘的开始端朝向更靠近臂基端的端点增加。 每个第二凹陷部分将端点连接到凸缘的端面以形成弯曲表面。
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