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公开(公告)号：US11982319B2
公开(公告)日：2024-05-14
申请号：US17296017
申请日：2019-11-18
Applicant: NSK Ltd.
Inventor： Seiichi Moriyama , Keisuke Nakao
CPC classification number: F16D1/04 , F16C3/02 , F16D3/44 , B62D1/20 , F16C2326/24 , Y10T403/535 , Y10T403/5786 , Y10T403/7188
Abstract: The torque transmission shaft has a shaft having a hollow tubular shape and a clamp. The shaft has a connecting portion integral with the shaft at one axial end portion, a slit extending in the axial direction in a portion on the other axial end side and opens on the other side in the axial direction, and a female serration on the inner circumferential surface of the other axial end portion. The clamp is separate from the shaft and has a non-continuous portion at one location in the circumferential direction, a pair of flange portions on both sides of the non-continuous portion, and a connecting portion connecting the pair of flange portions in the circumferential direction. The clamp is externally fitted and fixed to the other axial end portion of the shaft and reduces the diameter of the other axial end side portion of the shaft.
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公开(公告)号：US11835141B2
公开(公告)日：2023-12-05
申请号：US17596915
申请日：2020-06-18
Applicant: NSK LTD.
Inventor： Seiichi Moriyama
Abstract: To provide a dust cover capable of maintaining a state in which a first flexible part and a second flexible part of a bellows are fitted onto a mounting member. A dust cover includes a bushing, a bellows, and a mounting member. The mounting member has a main body and a flange part.
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公开(公告)号：US09969420B2
公开(公告)日：2018-05-15
申请号：US15123002
申请日：2014-10-22
Applicant: NSK LTD.
Inventor： Takayuki Ishii , Seiichi Moriyama , Shin Mihara
Abstract: At least one of the vehicle body side through holes and the column side through hole is an adjusting long hole which is long in a direction in which a position of the steering wheel can be adjusted. A base end portion of the adjusting lever includes a lever side through hole penetrating through the base end portion in the width direction. The adjusting rod is press-fitted into the lever side through hole.
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公开(公告)号：US09956983B2
公开(公告)日：2018-05-01
申请号：US15027876
申请日：2014-11-26
Applicant: NSK LTD.
Inventor： Seiichi Moriyama
Abstract: A steering wheel position adjustment device includes a displacement bracket fixed to a steering column, a pair of support plate parts for interposing the displacement bracket, an adjustment rod inserted in a through hole in the displacement bracket and in through holes in the support plate parts, a pair of pressing parts provided at both ends of the adjustment rod, an adjustment lever provided to one end of the adjustment rod and configured to expand and contract an interval between the pressing parts, and a rotating friction plate. The rotating friction plate is interposed between the displacement bracket and the support plate parts and/or between the support plate parts and the pressing parts. The rotating friction plate has a base end portion rotatably supported by a rotation support shaft, and a tip half portion formed with a long guide hole with which the adjustment rod is engaged.
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公开(公告)号：US09233709B2
公开(公告)日：2016-01-12
申请号：US14388024
申请日：2013-10-28
Applicant: NSK LTD.
Inventor： Tatsuya Ishii , Takeshi Yamamoto , Seiichi Moriyama
IPC: B62D5/04
CPC classification number: B62D5/0409 , B62D5/0403
Abstract: An electric power steering apparatus has a first rolling bearing and a second rolling bearing rotatably supporting an output shaft. The first rolling bearing is provided between an inner peripheral surface of a through-hole of a gear housing and an outer peripheral surface of the output shaft. The second rolling bearing is provided between an inner peripheral surface of an intermediate plate press-fitted and fixed in an opening portion of the gear housing and the outer peripheral surface of the output shaft. An outer peripheral portion of the intermediate plate has alternately arranged large diameter portions and small diameter portions, and the large diameter portions are press-fitted in the gear housing.
Abstract translation: 电动助力转向装置具有第一滚动轴承和可旋转地支撑输出轴的第二滚动轴承。 第一滚动轴承设置在齿轮壳体的通孔的内周面与输出轴的外周面之间。 第二滚动轴承设置在被压配合并固定在齿轮箱的开口部分和输出轴的外周面之间的中间板的内周面之间。 中间板的外周部分交替布置有大直径部分和小直径部分，并且大直径部分被压配合在齿轮壳体中。
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Patent Agency Ranking
公开(公告)号：US20150298733A1
公开(公告)日：2015-10-22
申请号：US14387849
申请日：2013-11-05
Applicant: NSK Ltd.
Inventor： Seiichi Moriyama , Kazuhiko Kojima
IPC: B62D7/22 , B62D5/04 , F16F15/124 , F16D3/68
CPC classification number: B62D7/224 , B62D5/0409 , B62D5/0454 , F16D3/68 , F16F15/1245 , F16F15/136 , F16H1/16
Abstract: Provided is a torque-transmission joint 15a that is able to reduce the thrust force that is transmitted between the output shaft 12a of an electric motor 8 and a worm shaft 6a without generating noise. A shock-absorbing member 18a that is made using an elastic material is assembled between a driving-side transmission member 16a that is supported by the output shaft 12a and a driven-side member 17a that is supported by the worm shaft 6a. Held sections 33a, 33b of the shock-absorbing member 18a are located between the side surfaces in the circumferential direction of driving-side arm sections 21a of the driving-side transmission member 16a and side surfaces in the circumferential direction of driven-side arm sections 23a of the driven-side transmission member 17a. A damper section 26 is integrally provided with the shock-absorbing member 18a, and that damper section 26 is elastically held between the tip-end surface of the output shaft 12a and the base-end surface of the worm shaft 16a.
Abstract translation: 提供了能够减小在电动马达8的输出轴12a和蜗杆轴6a之间传递的推力而不产生噪音的扭矩传递接头15a。 由弹性材料制成的减震构件18a组装在由输出轴12a支撑的驱动侧传动构件16a和由蜗杆轴6a支撑的从动侧构件17a之间。 缓冲构件18a的保持部33a，33b位于驱动侧传递构件16a的驱动侧臂部21a的周向侧的侧面和从动侧臂部的周向的侧面 23a的从动侧传递部件17a。 阻尼器部26与减震部件18a一体地设置，阻尼部26弹性保持在输出轴12a的前端面与蜗杆轴16a的基端面之间。
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公开(公告)号：US20150166093A1
公开(公告)日：2015-06-18
申请号：US14402862
申请日：2013-07-03
Applicant: NSK LTD.
Inventor： Seiichi Moriyama , Daisuke Terasawa
Abstract: When an adjustment lever 32 is rotated in order to adjust the position of a steering wheel 1, the adjustment lever 32 is prevented from vigorously rotating, which prevents making the driver who operates the adjustment lever 32 feel discomfort. An expandable damper 35 that provides resistance to the rotation of the adjustment lever 32 is provided between a protrusion 34 that rotates together with the adjustment lever 32 centered around an adjustment rod and an extending portion 37 that is provided on a support-plate portion 15c. The expandable damper 35 has a cylinder portion 38 and a damper rod 39 that are combined so as to be able to displace relative to each other in the axial direction by way of grease 40.
Abstract translation: 为了调整方向盘1的位置而调节杠杆32旋转时，防止调节杆32剧烈旋转，防止使操作调节杆32的驾驶员感到不适。 在与调节杆对中的调节杆32一起旋转的突起34和设置在支撑板部15c上的延伸部37之间设置有提供对调节杆32的旋转的阻力的可膨胀阻尼器35。 可膨胀阻尼器35具有圆筒部38和阻尼杆39，该圆筒部38和阻尼杆39组合成能够通过润滑脂40在轴向上相对于彼此位移。
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公开(公告)号：US11598420B2
公开(公告)日：2023-03-07
申请号：US17046406
申请日：2019-04-11
Applicant: NSK LTD.
Inventor： Seiichi Moriyama , Masaki Takahashi
IPC: B62D1/02 , F16J15/3204 , F16D3/41
Abstract: A seal ring (26) configured to be employed with a cross shaft (16) including a center section (17) and four shaft sections (18a, 18b, 18c, 18d) extending in four directions from the center section and formed with step faces (17a) where the center section widens out from base ends of the shaft sections outward in radial directions of the shaft sections, and with bearings (21) for mounting to leading end portions of the shaft sections. The seal ring is fitted over the shaft section and interposed between the bearing and the step face. The seal ring includes a seal lip (34) configured to contact the step face around the entire circumference, and an indentation (36) the seal lip enters by deforming when mounted to the cross shaft.
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公开(公告)号：US11427244B2
公开(公告)日：2022-08-30
申请号：US17287223
申请日：2019-10-24
Applicant: NSK LTD.
Inventor： Nobuhiro Kojiya , Arata Urimoto , Masaya Johta , Seiichi Moriyama
IPC: B62D1/19
Abstract: A support bracket is arranged inside a slit of an outer column and joined to the inner column so as to be able to detach due to an impact load applied to the inner column at the time of a secondary collision. A base portion of an impact absorbing member is attached to the inner column so as to displace together with the inner column when the inner column displaces toward the front, and a folded portion of the impact absorbing member is made to face a jerking portion of the support bracket in the front-rear direction.
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公开(公告)号：US10914338B2
公开(公告)日：2021-02-09
申请号：US16320505
申请日：2017-07-26
Applicant: NSK Ltd.
Inventor： Seiichi Moriyama , Masaki Takahashi , Shoji Kido
Abstract: A structure capable of preventing improper wheel alignment even when, for example, an accident such as a collision accident, steered wheels riding on a curb, or the like occurs is realized. A telescopic shaft in which the inner shaft (9a) and the outer tube (10a) are combined with each other by a spline engagement between the male spline portion (45) provided on one end portion in the axial direction of the outer-circumferential surface of the inner shaft (9a) and the female spline portion (23) provided on the other end portion of the inner-circumferential surface of the outer tube (10a) such that torque can be transmitted and the entire length of the telescopic shaft can be extended and contracted, the inner shaft (9a) having an inner-side small-diameter cylindrical portion (41) provided on a portion of the inner shaft (9a) that is located further on the other side than the edge of the other end in the axial direction of the outer tube (10a) and having an outer-diameter dimension that is smaller than the adjacent portions on both sides in the axial direction thereof, is provided.
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