会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • スラストころ軸受及びスラストころ軸受の製造方法
    • 旋转滚子轴承及制造滚子轴承的方法
    • JP2015055274A
    • 2015-03-23
    • JP2013187960
    • 2013-09-11
    • 株式会社ジェイテクトJtekt Corp
    • TOYAMA MASAKIWASEDA YOSHITAKA
    • F16C33/54F16C19/30F16C19/46
    • F16C19/30F16C33/546
    • 【課題】ポケット内壁面ところ端面との摩擦による回転抵抗を減少させ、低トルク化を図るとともに、精度よく加工しやすい形状のスラストころ軸受及びスラストころ軸受の製造方法を提供する。【解決手段】環状板からなり、複数のポケット6が周方向に配置された円環部7を有する保持器5と、ころ4と、を備え、ポケット6は、外径側の内壁面が円環部7の外径側に設けた外周部51により形成され、内径側の内壁面が円環部7の内径側に設けた内周部52により形成されて構成され、円環部7の外周部51及び内周部52は、ポケット6の径方向に向かい合う内壁面から軸方向に傾斜し、ころ4の端面4c,4dの中心4a,4bに向けて突出する一対の凸部を有し、凸部は、突出する先端53a,54aは円弧状に形成され、先端の頂点端面4c,4dの中心4a,4bが、ころ4の端面4c,4dの中心4a,4bに対して点接触する。【選択図】図3
    • 要解决的问题:提供一种推力滚子轴承和制造推力滚子轴承的方法,该推力滚子轴承能够通过减小由于凹槽内壁表面和辊端面之间的摩擦而导致的旋转阻力而降低扭矩,并且具有能够 高精度加工。解决方案:推力滚子轴承包括具有环形部分7的保持架5,该环形部分7由环形板组成并且设置有沿圆周方向布置的多个凹穴6和滚筒4.外部的内壁表面 袋体6的直径侧由设置在环状部7的外径侧的外周部51形成,其内径侧的内壁面由设置在内径部的内径部52 环状部7的一侧,环状部7的外周部51和内周部52从内壁面fac 并且还设置有一对向辊4的端面4c,4d的中心4a,4b突出的突出部。 突出部分的突出部分53a,54a形成为圆弧形状,顶端的顶端面4c,4d的中心4a,4b与端面4c的中心4a,4b保持点接触, 4d的滚筒4。
    • 2. 发明专利
    • Pulley device
    • PULLEY设备
    • JP2013245753A
    • 2013-12-09
    • JP2012119575
    • 2012-05-25
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F16H55/36F16C19/26F16C27/06F16C33/34F16C33/58
    • PROBLEM TO BE SOLVED: To provide a pulley device of which the rotation speed under a high load can be suppressed without utilizing power from the outside.SOLUTION: A pulley device 1 includes a rolling bearing 2 and a pulley body 3. The rolling bearing includes an inner ring 21 in which a fixed-side raceway is formed on the outer circumferential surface thereof; a metallic outer ring 22 in which a rotating-side raceway is formed on the inner circumferential surface thereof; and cylindrical rolling elements 24 which are interposed between the inner and outer rings. The pulley body 3 is externally fitted to the outer ring 22. The pulley device further includes a cylindrical elastic body 4 which is disposed between an inner circumferential surface of the pulley body and an outer circumferential surface of the outer ring 22. The outer ring 22 is formed in such a manner that its length in an axial direction is shorter than a length of the rolling element 24 in the axial direction. The elastic body 4 is formed in such a manner that its length in the axial direction is longer than a length of the outer ring 22 in the axial direction. When a load exceeding a predetermined value acts on the pulley body 4 inwardly in the radial direction, the elastic body 4 is elastically deformed inward in the radial direction and brought into slide-contact with the rolling elements 24.
    • 要解决的问题:提供一种能够在不利用外部电力的情况下抑制高负载下的转速的滑轮装置。滑轮装置1包括滚动轴承2和滑轮体3.滚动轴承包括 在其外周面上形成固定侧滚道的内圈21; 金属外圈22,其内周面上形成有旋转侧轨道; 以及插入在内圈和外圈之间的圆筒形滚动元件24。 皮带轮主体3外装在外圈22上。滑轮装置还包括一个圆筒形弹性体4,它设置在皮带轮主体的内圆周表面和外圈22的外圆周表面之间。外圈22 形成为其轴向长度比滚动体24在轴向上的长度短。 弹性体4的轴向长度比外圈22的轴向长度长。 当超过预定值的载荷沿径向向内作用于滑轮体4时,弹性体4沿径向向内弹性变形并与滚动体24滑动接触。
    • 3. 发明专利
    • Thrust roller bearing, and support structure of thrust roller bearing
    • 轴承滚子轴承和支撑滚子轴承的结构
    • JP2012237326A
    • 2012-12-06
    • JP2011105021
    • 2011-05-10
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F16C19/30F16C33/58F16C35/067
    • PROBLEM TO BE SOLVED: To provide a thrust roller bearing which suppresses early exfoliation and wear caused with metal contact even when a part on a circumference to the thrust roller bearing partially loaded with a load is at the same position as the position of a protruded part of a rolling face of a thrust race in a circumference direction; and to provide a support structure of the thrust roller bearing.SOLUTION: The thrust roller bearing 10 is constituted by sandwiching a columnar roller 11, which is disposed rollably and retained in a circumference direction with a retainer 20, from both sides in an axial direction by two sheets of thrust races composed of a first thrust race 50 and a second thrust race 60. In a race back face 56 of the first thrust race 50 among two sheets of thrust races, in the circumference direction, the first groove 58 is formed.
    • 要解决的问题:提供一种推力滚子轴承,其能够抑制由于金属接触而引起的早期剥落和磨损,即使在部分加载有负载的推力滚子轴承的圆周上的部分处于与位置相同的位置 推力座圈的圆周方向的滚动面的突出部; 并提供推力滚子轴承的支撑结构。 解决方案:推力滚子轴承10通过将由滚动轴承方式设置的圆柱形辊11夹持在轴向方向上的两侧,由两个由 第一推力座圈50和第二推力座圈60.在两个推力座圈中的第一推力座圈50的座面56中,在圆周方向上形成有第一槽58。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Conical roller bearing device
    • 圆锥滚子轴承装置
    • JP2012013109A
    • 2012-01-19
    • JP2010147988
    • 2010-06-29
    • Jtekt CorpToyota Motor Corpトヨタ自動車株式会社株式会社ジェイテクト
    • MURAKAMI GENICHIHARADA KENICHINAKAOKA KENICHIWASEDA YOSHITAKA
    • F16C25/08F16C19/36F16C33/46
    • F16C25/08F01L1/047F01L1/3442F01L2001/0476F16C19/26F16C19/525F16C19/54F16C33/366F16C33/4605F16C2229/00F16C2360/18F16C2360/22
    • PROBLEM TO BE SOLVED: To provide a conical roller bearing device that is able to apply a preload with a simple configuration and that is able to ensure bearing stiffness irrespective of a difference in coefficient of thermal expansion.SOLUTION: A conical roller bearing device includes: a conical roller bearing (20) that includes an inner ring (24) that has an outer raceway surface on its outer peripheral surface, an outer ring (22) that has an inner raceway surface on its inner peripheral surface, and a plurality of conical rollers (28) that are rollably arranged between the outer raceway surface of the inner ring and the inner raceway surface of the outer ring and that are respectively accommodated in pockets formed in a retainer (26); and a pressing means that presses the retainer (26) in a direction to reduce gaps between the conical rollers (28) and the outer raceway surface of the inner ring and gaps between the conical rollers (28) and the inner raceway surface of the outer ring along center axes of the inner ring and outer ring.
    • 要解决的问题:提供一种圆锥滚子轴承装置,其能够以简单的构造施加预载荷,并且能够确保轴承刚度,而与热膨胀系数的差异无关。 解决方案:圆锥滚子轴承装置包括:圆锥滚子轴承(20),其包括在其外周表面上具有外滚道表面的内圈(24),外圈(22),其具有内滚道 表面在其内周面上,以及多个圆锥滚子(28),其可滚动地布置在内圈的外滚道表面和外圈的内滚道表面之间,并且分别容纳在形成在保持器中的凹穴中 26); 和压紧装置,其沿着减小圆锥滚子(28)和内圈的外滚道表面之间的间隙的方向按压保持器(26),并且在圆锥滚子(28)和外滚道(28)的内滚道表面之间的间隙 环绕内圈和外圈的中心轴。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Bearing device of rotary shaft
    • 旋转轴的轴承装置
    • JP2011220450A
    • 2011-11-04
    • JP2010090471
    • 2010-04-09
    • Jtekt CorpToyota Motor Corpトヨタ自動車株式会社株式会社ジェイテクト
    • HARADA KENICHIKOYAMAISHI NAOTONAKAOKA KENICHIWASEDA YOSHITAKA
    • F16C21/00
    • Y02T10/865
    • PROBLEM TO BE SOLVED: To provide a bearing device of a rotary shaft capable of securing durability, by reducing friction torque in the whole bearing device.SOLUTION: This bearing device of the rotary shaft is stored in a bearing housing 10, and rotatably supports the rotary shaft 30, and includes a rolling bearing part 26 having a rolling element 24 arranged between an outer peripheral surface of the rotary shaft 30 and an inner peripheral surface of an outer ring 22 movable in the axial direction, a sliding bearing part 28 forming a sliding surface between an inner peripheral surface of the bearing housing 10 and an outer peripheral surface of the outer ring 22, connecting means (22B and 32) for mutually connecting the outer ring 22 and the rotary shaft 30 so as to be relatively nonrotatable, and switching means (12, 16A, 16B, 18 and 23) for switching the connecting means in a connecting state or an unconnected state.
    • 要解决的问题:通过减少整个轴承装置中的摩擦转矩来提供能够确保耐久性的旋转轴的轴承装置。 解决方案:旋转轴的该轴承装置存储在轴承壳体10中,并且可旋转地支撑旋转轴30,并且包括滚动轴承部26,滚动轴承部26具有布置在旋转轴的外周面之间的滚动元件24 30和能够沿轴向移动的外圈22的内周面,在轴承壳体10的内周面与外圈22的外周面之间形成滑动面的滑动轴承部28,连结机构 22B和32),用于将外圈22和旋转轴30相互不相对地旋转,以及用于在连接状态或未连接状态下切换连接装置的开关装置(12,16A,16B,18和23) 。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Method of manufacturing retainer for thrust roller bearing
    • 制动滚子轴承保持器的方法
    • JP2011137494A
    • 2011-07-14
    • JP2009296822
    • 2009-12-28
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F16C33/46B21D53/12
    • F16C33/543F16C19/30
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a retainer for a thrust roller bearing which enables the retainer to be manufactured with a good material yield. SOLUTION: The method of manufacturing a retainer for a thrust roller bearing includes: a blank working process, in which a retainer component material 110 is formed that has outer diameter side annular component parts 112 continuing at one side in width direction by a blanking process of a strip material 100 of strip steel sheet with a press, a plurality of pillar component parts 114 each of which makes one end continue in the longitudinal direction of the outer-diameter side annular component part 112 being separated by pockets component parts 113, and inner-diameter side annular component parts 111 continuing at the other end side of these pillar component parts 114; a rounding process, in which the retainer component material 110 is rounded in such a way that each inner-diameter side annular component part 111 of the retainer component material 110 is arranged at the inner-diameter side and both ends in the longitudinal direction of the retainer component material 110 are abutted; and a welding process, in which the abutted parts are welded. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造用于推力滚子轴承的保持器的方法,其能够以良好的材料产量制造保持器。 解决方案:制造用于推力滚子轴承的保持器的方法包括:坯料加工工艺,其中形成保持器部件材料110,其具有在宽度方向的一侧上延伸的外径侧环形部件112 具有压力机的带状钢板带材100的冲裁处理,多个柱部件114使其一端在外径侧环形部件112的纵向方向上延伸,由袋部件113分离 以及在这些支柱部件114的另一端侧连续的内径侧环状部件111; 保持器部件材料110以保持器部件材料110的内径侧环状部件111配置在内径侧的长度方向的两端部, 保持构件材料110抵接; 以及焊接工艺,其中对接部分被焊接。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Thrust roller bearing
    • 推力滚子轴承
    • JP2010174919A
    • 2010-08-12
    • JP2009015327
    • 2009-01-27
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F16C33/46F16C19/30
    • F16C33/543F16C19/30
    • PROBLEM TO BE SOLVED: To provide a thrust roller bearing having improved durability by preventing the uneven wear of rollers. SOLUTION: The thrust roller bearing includes the plurality of rollers 11, and a cage 20. The cage 20 includes both annular portions 21, 22 on the inner and outer diameter sides, and a plurality of columnar portions 30. The columnar portions 30 each include a radially intermediate portion 31, both side portions 32, 33 on the radially inner and outer diameter sides, and both inclined connection portions 34, 35 on the inner and outer diameter sides. On the opposed faces of the radially intermediate portion 31 and both side portions 32, 33 on the inner and outer diameter sides opposed to each other across pockets 23, roller come-off preventing portions 36, 37, 38 are formed to prevent the come-off of the rollers 11 from the pockets 23. The roller come-off preventing portions 36, 37, 38 are set to contact rolling surfaces 12 of the rollers 11 during the rotation of the bearing. A relationship A>B is established, where A is an opposition space size between the roller come-off preventing portions 37 opposed to each other at the side portion 32 on the inner diameter side and B is an opposition space size between the roller come-off preventing portions 38 opposed to each other at the side portion 35 on the outer diameter side. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过防止辊的不均匀磨损来提供具有改善的耐久性的推力滚子轴承。 解决方案:推力滚子轴承包括多个辊11和保持架20.保持架20包括在内径和外径两侧的两个环形部分21,22以及多个柱状部分30.柱形部分 30包括径向中间部分31,径向内径和外径侧上的两个侧部32,33以及内径和外径侧上的两个倾斜连接部分34,35。 在径向中间部分31的相对面上,并且在彼此相对的凹部23的内外侧侧面上的两侧部32,33形成有辊脱离防止部36,37,38, 滚筒脱落防止部36,37,38在轴承旋转期间被设定为接触滚子11的滚动面12。 建立关系A> B,其中A是在内径侧的侧部32处彼此相对的辊子脱离防止部分37之间的对立空间尺寸,B是辊子前后部分之间的相对空间尺寸, 在外径侧的侧部35处彼此相对的防脱部38。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Camshaft device mounting structure
    • CAMSHAFT设备安装结构
    • JP2010156211A
    • 2010-07-15
    • JP2008333503
    • 2008-12-26
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F01L1/04F02F1/24
    • PROBLEM TO BE SOLVED: To provide a camshaft device mounting structure enabling to easily mount a camshaft device on the shaft supporting part of a cylinder head. SOLUTION: The camshaft device mounting structure includes a camshaft 21, a plurality of cam tops 25, and a plurality of roller bearings 30. On the outer peripheries of the plurality of roller bearings 30, the same number of housing bodies 40 are provided in rectangular block shapes. In each of the housing bodies 40, an assembly hole 41 is formed into which the roller bearing 30 is incorporated and a mounting through-hole 45 is provided through which a male screw portion 18 of a fastening bolt 17 is inserted. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够容易地将凸轮轴装置安装在气缸盖的轴支撑部上的凸轮轴装置安装结构。 解决方案:凸轮轴装置安装结构包括凸轮轴21,多个凸轮顶部25和多个滚子轴承30.在多个滚柱轴承30的外周上,相同数量的壳体40是 提供矩形块形状。 在每个壳体40中,形成有安装有滚子轴承30的组装孔41,并且设置有安装通孔45,紧固螺栓17的外螺纹部18穿过该安装通孔45。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Retainer for thrust roller bearing
    • 滚轮轴承保持架
    • JP2010053887A
    • 2010-03-11
    • JP2008216693
    • 2008-08-26
    • Jtekt Corp株式会社ジェイテクト
    • WASEDA YOSHITAKA
    • F16C33/46F16C19/30
    • F16C33/546F16C19/305
    • PROBLEM TO BE SOLVED: To provide a retainer for a thrust roller bearing improving wear resistance and seizure resistance by inhibiting damage of oil film at an outer circumference surface of a roller by shifting contacts of end surfaces of inclined connection parts of a plurality of cage bar parts and outer circumference surfaces of a plurality of rollers.
      SOLUTION: This retainer includes both annular parts 21, 22 at an inner/an outer diameter sides, and the plurality of cage bar parts 24 connecting both theannular parts 21, 22 and defining the plurality of pockets 23 rollably retaining a plurality of rollers 11, and has an M-shape cross section. The cage bar part 24 of the retainer includes a radial direction middle parts 25 and radial direction both side parts 26, and the inclined connection part 27 connecting the radial direction middle part 25 and the radial direction both side parts 26. The inclined connection parts 27 of the plurality of cage bar parts 24 are formed with mutual position shift in a radial direction to change each contact position of the end surface of the inclined connection parts 27 of the plurality of cage bar parts 24 and outer circumference surfaces of the plurality of rollers 11 in a radial direction.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种用于推进滚子轴承的保持器,通过通过使多个倾斜连接部分的端面的接触移位来抑制辊的外周表面上的油膜的损坏来提高耐磨性和耐咬合性 的多个辊的笼杆部件和外周面。 解决方案:该保持器包括在内/外径侧的两个环形部分21,22,以及连接两个部分21,22并限定多个凹穴23的多个保持架杆部分24,其可滚动地保持多个 辊11,并具有M形横截面。 保持器的保持架部24具有径向中间部25和径向两侧部26以及连接径向中间部25和径向两侧部26的倾斜连接部27.倾斜连接部27 多个保持架杆部件24在径向方向上形成相互位置偏移,以改变多个保持架部件24的倾斜连接部件27的端面和多个辊子的外周表面的每个接触位置 11在径向方向。 版权所有(C)2010,JPO&INPIT