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公开(公告)号：US11091064B2
公开(公告)日：2021-08-17
申请号：US16594131
申请日：2019-10-07
Applicant: NHK Spring Co., Ltd.
Inventor： Donghyoun Kim , Hirotaka Nogami , Katsutoshi Imanari
Abstract: There is provided a vehicle seat including: a left and right pair of cushion frames that structure a framework of a seat cushion, the seat cushion including a pad main body portion that supports a buttock area and thigh area of a seat occupant; a left and right pair of seat back frames; and at least one of: a seat cushion push-up mechanism that is provided inside the seat cushion uniformly across a whole of the pad main body portion in the seat width direction, or a seat back push-out mechanism that is provided inside the seat back uniformly across a whole of the back pad main body portion in the seat width direction.
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公开(公告)号：US11091002B2
公开(公告)日：2021-08-17
申请号：US16262388
申请日：2019-01-30
Applicant: NHK SPRING CO., LTD.
Inventor： Jun Umeno
IPC: B60G21/055 , F16F1/36
Abstract: A stabilizer includes a stabilizer bar and a rubber bush. The stabilizer bar includes a bar body made of a steel and a coating film covering the bar body. The coating film is formed on the surface of the bar body by using a resin having a water contact angle of more than 65°. By performing surface treatment for reducing the contact angle of the coating film present on an attachment part, the contact angle of the attachment part is changed to 65° or less. A pre-cured liquid adhesive agent is applied to an inner surface (adhesion surface) of the rubber bush. After a region including the attachment part of the stabilizer bar is heated, the rubber bush is overlaid on the attachment part. The adhesive agent is cured in a state where the rubber bush is pressed.
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公开(公告)号：US11069374B2
公开(公告)日：2021-07-20
申请号：US15975015
申请日：2018-05-09
Applicant: NHK SPRING CO., LTD.
Inventor： Akio Mashima
Abstract: A method of restoring a suspension of a hard disk drive includes detaching a slider, which is mounted on a tongue portion of the suspension via an adhesive, from the suspension, measuring a thickness of the adhesive in a cleaning area of the tongue portion, specifying a first residual area in which the thickness of the adhesive exceeds a threshold value, irradiating a first irradiation area including the first residual area locally with a first laser beam, and irradiating the cleaning area entirely with a second laser beam.
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公开(公告)号：US11065641B2
公开(公告)日：2021-07-20
申请号：US16100053
申请日：2018-08-09
Applicant: NHK SPRING CO., LTD.
Inventor： Yoshimitsu Koyama , Mitsuhiro Sugiyama , Tatsuya Watanuki
Abstract: Provided is a coil spring manufacturing method. In the coil spring manufacturing method, a coil spring of a vehicle suspension member is immersed in a fluidized bed in which powder coat is fluidized for coating. The fluidized bed includes a vertical stream area in which the powder coat moves upward and downward. The coil spring is immersed in the vertical stream area of the fluidized bed while an end coil of the coil spring faces upward, and is periodically subjected to a relative movement with respect to a direction containing components vertical to a central axis of the coil spring in relation to the vertical stream area.
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公开(公告)号：US11059344B2
公开(公告)日：2021-07-13
申请号：US16736870
申请日：2020-01-08
Applicant: NHK SPRING CO., LTD.
Inventor： Yasuharu Sakurai , Yoshihiro Koshita , Akihiko Nishikawa , Akifumi Otani
IPC: B60G21/055 , B24C1/10 , B24C3/10
Abstract: A stabilizer includes bend sections. With respect to positions in a circumferential direction of a radial cross section of each of the bend sections, a center of an inside of a bend is defined as 0°, and a center of an outside of the bend is defined as 180°. The bend sections each include a bend interior section located at 0°, a bend exterior section located at 180°, a first side section located at 90°, and a second side section located at 270°. The bend interior section has compressive residual stress from a surface to a first depth. The bend exterior section has compressive residual stress to a second depth. The first side section has compressive residual stress to a third depth. The second side section has compressive residual stress to a fourth depth.
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Patent Agency Ranking
公开(公告)号：US20210206258A1
公开(公告)日：2021-07-08
申请号：US17058824
申请日：2019-05-30
Applicant: NHK SPRING CO., LTD.
Inventor： Yoshihisa TANI , Ken TORIYAMA , Akinori SASAKI
Abstract: A fuel lid opener-has: a heart cam mechanism that is structured so as to, each time a lifter is push-operated via a fuel lid, cause the lifter to alternately repeat advancing-out and withdrawing, and so as to push the fuel lid open due to advancing-out of the lifter; and a locking mechanism-that can restrict operation of the heart cam mechanism. At the locking mechanism, a time when a stopper is moved by operation of a motor, and the aforementioned restricting is released, the aforementioned stopper engages with the heart cam mechanism and operates the heart cam mechanism. Due thereto, the lifter advances-out, and the fuel lid is pushed open.
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公开(公告)号：US20210156887A1
公开(公告)日：2021-05-27
申请号：US16633597
申请日：2018-07-26
Applicant: NHK Spring Co., Ltd.
Inventor： Kohei Hironaka , Kazuya Soma
Abstract: A contact probe includes: a cylindrical pipe member; a collar including a hollow portion and fixed to an inner circumferential side of at least one end in a longitudinal direction of the pipe member; and an inner conductor including a flange configured to abut on a stepped portion formed by the pipe member and the collar, the inner conductor being expandable and contractible along the longitudinal direction and penetrating the pipe member.
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公开(公告)号：US20210151073A1
公开(公告)日：2021-05-20
申请号：US17073500
申请日：2020-10-19
Applicant: NHK SPRING CO., LTD.
Inventor： Yukie YAMADA
Abstract: A suspension for a disk device includes a load beam, a flexure and first and second damper members. The load beam includes a first surface, a second surface and first and second openings. The flexure includes first and second outriggers. The first outrigger includes a first branch portion through the first opening, a distal end thereof being interposed between the second surface and the first damper member. The second outrigger includes a second branch portion through the second opening, a distal end thereof being interposed between the second surface and the second damper member.
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公开(公告)号：US11001690B2
公开(公告)日：2021-05-11
申请号：US16029294
申请日：2018-07-06
Applicant: NHK SPRING CO., LTD.
Inventor： Shigeki Ichimura , Kunikazu Takiwaki , Kunio Asobe , Hiroyuki Orito , Takaharu Matsuo , Kiyoshi Ota , Hitoshi Komatsu , Taiki Futamura , Toshiharu Sato
Abstract: Provided is a foamed urethane containing a cushion material, the foamed urethane containing a hard segment and a soft segment, in which the foamed urethane is a reaction cured product formed using an isocyanate component of an MDI compound. In a first aspect, a spin-spin relaxation time (T2) of the hard segment in the foamed urethane is from 20 μsec to 40 μsec, and a volume abundance ratio of the hard segment is from 5% to 40%. In a second aspect, a foamed urethane includes: a first region in which T2 of the hard segment is from 30 μsec to 40 μsec, and a volume abundance ratio of the hard segment is from 10% to 40%, and a second region in which T2 of the hard segment is from 20 μsec to less than 30 μsec, and a volume abundance ratio of the hard segment is from 5% to 40% in a H1 solid-state pulse NMR measurement, and which is adjacent to the first region.
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公开(公告)号：US10995811B2
公开(公告)日：2021-05-04
申请号：US16088665
申请日：2017-03-30
Applicant: NHK SPRING Co., Ltd.
Inventor： Toshinori Watanabe , Hidemasa Ito , Noritoshi Takamura , Fumio Yamamoto , Fumio Takahashi
Abstract: The present invention provides a coil spring, in which a corresponding portion is provided at an end portion in a direction of a coil axis, the corresponding portion having a whole size in the direction of the coil axis of the plurality of wire materials adjacent to each other in the direction of the coil axis equal to a maximum value of a gap in the direction of the coil axis between wire materials adjacent to each other in the direction of the coil axis of the coil spring, a gap in the direction of the coil axis between the corresponding portion and a wire material adjacent to the corresponding portion on an inner side in the direction of the coil axis is smaller than a wire height in an active coil portion of the coil spring, and at the end portion of the direction of the coil axis, a gap in the direction of the coil axis between a portion extending around the coil axis from the corresponding portion to a distal end portion side of the wire material and a wire material adjacent to the portion on the inner side in the direction of the coil axis gradually decreases from the corresponding portion toward the distal end portion side of the wire material around the coil axis.
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