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1. 发明申请

US20160281771A1 DUST COVER FOR BALL JOINT 审中-公开
标题翻译：用于球联的防尘罩
公开(公告)号：US20160281771A1
公开(公告)日：2016-09-29
申请号：US15037146
申请日：2014-11-11
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN , Koji KANAGAWA
IPC分类号： F16C11/06
CPC分类号： F16C11/0671 , F16C11/0633 , F16C11/0695 , F16C2326/24
摘要： In a dust cover for a ball joint, a reinforcing ring is buried in a shaft side attaching portion which is closely fitted and fixed to an outer peripheral surface of a shaft portion of a ball stud of the ball joint, a first inner peripheral projection and a second inner peripheral projection are formed at different axial positions in the reinforcing ring at predetermined intervals in a circumferential direction, the first inner peripheral projection and the second inner peripheral projection having diameters which are slightly greater than an inner peripheral surface of the shaft side attaching portion in their end portions in an inner diameter side as well as extending to the inner diameter side, and the first inner peripheral projection and the second inner peripheral projection exist on phases which do not lap over each other in an axial direction, thereby preventing tracking property reduction.
摘要翻译：在用于球窝接头的防尘罩中，加强环埋设在轴侧安装部分中，该轴侧安装部分紧密地固定并固定到球窝接头的球头螺柱的轴部的外周面，第一内周突起和第二内周突起在周向上以规定的间隔形成在加强环的不同轴向位置，第一内周突起和第二内周突起的直径比轴侧的内周面略大在其内径侧的端部的一部分也延伸到内径侧，第一内周突起和第二内周突起沿轴向不相互叠合的相位存在，从而防止跟踪财产减少。

2. 发明申请

US20180149192A1 BALL JOINT 审中-公开
公开(公告)号：US20180149192A1
公开(公告)日：2018-05-31
申请号：US15576006
申请日：2016-05-26
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN
IPC分类号： F16C11/06 , F16J15/52
摘要： A ball joint (100) to be fitted to a knuckle (200) is provided wherein, a shaft section (11) has an annular projection (11a), a dust cover (30) has a seal main body which is made of an elastic body and which integrally includes: a body section (31); a fixed section (32) which is provided in the body section (31) on one end side; and an inner circumferential seal section (33) and a dust seal section (34) which are provided in the body section (31) on another end side, and the ball joint (100) is provided with a positioning member (40) which is mounted to the shaft section (11) in advance before the ball joint (100) is fitted to the knuckle (200) and which positions an end of the dust cover (30) on the other end side with respect to the shaft section (11) so that the inner circumferential seal section (33) is positioned at an opposite side of the spherical section (12) across the annular projection (11a).

3. 发明申请

US20160273578A1 DUST COVER FOR BALL JOINT 有权
标题翻译：用于球联的防尘罩
公开(公告)号：US20160273578A1
公开(公告)日：2016-09-22
申请号：US15034201
申请日：2015-02-05
申请人： NOK CORPORATION
发明人： Tokunori YANAGI , Tatsuro HOSEN
IPC分类号： F16C11/06 , F16J15/52 , F16J3/04
CPC分类号： F16C11/0671 , F16C2226/10 , F16J3/04 , F16J3/041 , F16J15/52
摘要： In a dust cover for a ball joint, one end of a ball stud is retained within a socket, the other end is fixed by fastening a knuckle having a notch portion, one end large-diameter and other end small-diameter opening portions are respectively retained to the socket and the shaft, and a plate member is retained between an inner peripheral surface of the knuckle and an outer peripheral surface of the shaft. The plate member is constructed by an annular plate member, an elastic annular seal portion integrally formed in an inner peripheral side of the annular plate member, and an elastic engagement projection in the annular plate member in the knuckle side, and engaging with the notch portion. The annular seal portion is retained in a compression manner between an annular step portion in an inner peripheral surface of the knuckle and an outer peripheral surface of the shaft.
摘要翻译：在用于球窝接头的防尘罩中，球头螺栓的一端保持在插座内，另一端通过紧固固定，分别具有切口部分，一端大直径和另一端小直径开口部分的转向节保持在插座和轴上，并且板构件保持在转向节的内周面和轴的外周面之间。板构件由环形板构件，一体地形成在环形板构件的内周侧的弹性环形密封部和铰接侧的环形板构件中的弹性接合突起构成，并与凹口部。环形密封部以压缩方式保持在转向节的内周面的环状台阶部和轴的外周面之间。

4. 发明申请

US20190154078A1 DUST COVER 审中-公开
公开(公告)号：US20190154078A1
公开(公告)日：2019-05-23
申请号：US15505094
申请日：2015-07-13
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN
IPC分类号： F16C11/06 , F16J15/52 , F16J15/12
CPC分类号： F16C11/0671 , F16C11/06 , F16C11/0642 , F16C11/0685 , F16C2326/01 , F16J3/04 , F16J15/12 , F16J15/52
摘要： A dust cover that enables a dust lip to consistently exhibit its sealing function. The dust cover includes a sealing body made of an elastic material and integrally including a body part 110, a fixed part, and a sealed part 120, and a reinforcing ring 150 made of metal or resin and embedded in the sealed part 120. The sealed part 120 includes a first inner circumferential sealed portion 121a, a second inner circumferential sealed portion 121b, and a dust lip 122 slidable against an end face of a knuckle 400. The reinforcing ring 150 includes a tubular part 151 concentric to a shaft part 310, an inward flange part 152 provided at one end of the tubular part 151 and supported on a flange 330 fixed to the shaft part 310, and a pressing part 154 provided at the other end of the tubular part 151 and pressing the dust lip 122 against the end face of the knuckle 400.

5. 发明申请

US20170159701A1 DUST COVER FOR BALL JOINT 审中-公开
公开(公告)号：US20170159701A1
公开(公告)日：2017-06-08
申请号：US15316773
申请日：2015-04-20
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN
IPC分类号： F16C11/06 , F16J15/52 , F16J3/04
CPC分类号： F16C11/0671 , F16C11/0628 , F16J3/04 , F16J3/042 , F16J15/52
摘要： A dust cover for a ball joint has a spherical head portion, a shaft, a one end large-diameter opening portion, and the other end small-diameter opening portion. An annular groove portion is formed between an inner peripheral surface of a reinforcing ring in the other end small-diameter portion and an outer peripheral side of a seal lip, a metal spring ring is arranged within the annular groove portion and is constructed by a cylinder portion which is fixed and retained to an inner peripheral surface of the reinforcing ring, and a spring portion exists in an inner peripheral surface side of the cylinder portion in such a manner as to be folded back from one end in an axial direction of the cylinder portion and forms slits pressing the seal lip to an outer peripheral surface side of the shaft and uniformly arranged circumferentially.

6. 发明申请

US20160102703A1 DUST COVER FOR BALL JOINT 有权
标题翻译：用于球联的防尘罩
公开(公告)号：US20160102703A1
公开(公告)日：2016-04-14
申请号：US14895355
申请日：2014-06-03
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN , Koji KANAGAWA
IPC分类号： F16C11/06 , F16J3/04 , F16J15/52
CPC分类号： F16C11/0671 , F16J3/042 , F16J15/52
摘要： In a dust cover for a ball joint in which a one end large-diameter opening portion is retained to an outer peripheral surface of a socket, the other end small-diameter opening portion is constructed by a tube portion fitted and fixed onto an outer peripheral surface of a shaft, and an outward flange portion extending diametrically outward from an end portion in the socket side of the tube portion, and the dust cover is retained onto a L-shaped hard retainer, a reinforcing ring of the other end small-diameter opening portion is constructed by a cylindrical portion and an inward flange portion extending toward an outer peripheral surface of the retainer from an end portion in the knuckle side of the cylindrical portion, and an end portion in the socket side of the cylindrical portion in the reinforcing ring comes into contact with the outward flange portion of the retainer.
摘要翻译：在将一端大直径开口部保持在插座的外周面的球接头用防尘罩中，另一端小直径开口部由嵌合固定在外周的管部构成轴的表面和从管部的插座侧的端部向外侧延伸的向外的凸缘部，防尘罩保持在L字状的硬质保持架上，另一端的小直径的加强环开口部分由圆柱形部分和向内凸缘部分构成，该凸缘部分从圆柱形部分的转向节侧的端部朝向保持器的外周表面延伸，并且在加强件的圆柱形部分的插座侧的端部环与保持器的向外凸缘部分接触。

7. 发明申请

US20170234361A1 DUST COVER 有权
公开(公告)号：US20170234361A1
公开(公告)日：2017-08-17
申请号：US15518841
申请日：2015-10-19
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN , Koji KANAGAWA
IPC分类号： F16C11/06 , F16J15/52
CPC分类号： F16C11/0671 , F16C11/0609 , F16C11/0633 , F16C11/0695 , F16C2326/05 , F16J3/04 , F16J15/52
摘要： A dust cover in which an improvement in sealing performance is achieved. A dust cover 100 used in a ball joint includes a seal main body made of an elastic body and integrally having a body portion 110, a fixed portion 130 that is provided on one end side of the body portion 110, and a seal portion 120 that is provided on the other end side of the body portion 110, and an annular auxiliary seal 150 made of resin and provided in the seal portion 120. The seal portion 120 includes an inner peripheral seal portion and a dust lip 122, and the auxiliary seal 150 includes an auxiliary inner peripheral seal portion 151, an auxiliary dust seal portion, and a supported portion 153 that is supported by a collar fixed to a shaft portion on an opposite side to the auxiliary dust seal portion in an axial direction.

8. 发明申请

US20150337893A1 DUST COVER FOR BALL JOINT 有权
标题翻译：用于球联的防尘罩
公开(公告)号：US20150337893A1
公开(公告)日：2015-11-26
申请号：US14653508
申请日：2013-11-11
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN , Takayoshi IWASAKA
IPC分类号： F16C11/06
CPC分类号： F16C11/0671 , F16C11/0628 , F16C2226/12 , F16C2226/70 , F16C2226/74 , F16C2226/76 , F16J3/041 , F16J3/042 , F16J15/52 , Y10T403/16
摘要： An object of the invention is to provide a dust cover for a ball joint which can suppress generation of a so-called mouth opening phenomenon in a small-diameter opening portion even under a low-temperature atmosphere, can effectively inhibit a seal performance from being lowered in the small-diameter opening portion and inhibit the sedimentation or the garbage from entering into a dust cover from an external portion, and has a good sealing performance. For this purpose, in a dust cover for a ball joint having a spherical head portion, a shaft, one end large-diameter opening portion, the other end small-diameter portion, and a film portion, concavo-concave engagement is formed between an inner peripheral surface of the rigid ring and an outer peripheral surface of a retainer having a cylindrical portion which is fitted and retained to an outer peripheral surface of the shaft.
摘要翻译：本发明的目的是提供一种用于球接头的防尘罩，其即使在低温气氛下也能够抑制小直径开口部分中的所谓的开口现象的产生，可以有效地抑制密封性能在小直径开口部分下降，并且抑制沉淀或垃圾从外部进入防尘罩，并且具有良好的密封性能。为此，在具有球形头部，轴，一端大直径开口部分，另一端小直径部分和膜部分的球形接头的防尘罩中，形成凹形接合刚性环的内周面和保持器的外周面具有嵌合并保持在轴的外周面的圆筒部。

9. 发明申请

US20150300502A1 DUST COVER FOR BALL JOINT 有权
标题翻译：用于球联的防尘罩
公开(公告)号：US20150300502A1
公开(公告)日：2015-10-22
申请号：US14437960
申请日：2013-09-13
申请人： NOK CORPORATION
发明人： Tatsuro HOSEN
IPC分类号： F16J15/52 , F16C11/06
CPC分类号： F16J15/52 , B60G7/005 , B60G2204/416 , B62D7/163 , F16C11/06 , F16C11/0628 , F16C11/0671 , F16C2326/05 , F16C2326/24 , F16J3/042
摘要： The purpose of the present invention is to provide a ball joint dust cover that has favorable sealing functionality and, in a low temperature environment, can suppress the occurrence of the so-called small diameter opening part opening-phenomenon, and can effectively prevent reduction in the sealing functionality of the small diameter opening part and infiltration from the outside of gravel and dust into the dust cover. In order to achieve the foregoing, provided is a ball joint dust cover made of a rubbery elastic material and provided with a one-end small diameter opening part with which a hard ring is formed integrally, wherein the hard ring is sandwiched by a retainer having a three-sided box shaped gasket.
摘要翻译：本发明的目的是提供一种具有良好的密封功能的球窝防尘罩，并且在低温环境中可以抑制所谓的小直径开口部开启现象的发生，并且可以有效地防止小直径开口部分的密封功能，并从砾石和灰尘外部渗入防尘罩。为了实现上述目的，提供了一种由橡胶弹性材料制成的球窝防尘罩，并且设置有一体形成一体形成硬环的一端小直径开口部，其中硬环被保持器夹持，所述保持器具有一个三面盒形垫片。

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