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公开(公告)号：US20230142193A1
公开(公告)日：2023-05-11
申请号：US17631940
申请日：2020-08-04
发明人： Gokula KANNAN T , Praveen KUMAR
摘要： The invention relates to a headrest for a vehicle seat, comprising a first part; a second part that is able to rotate with respect to the first part; and a control rod for the relative movement between the first part and the second part; wherein the second part comprises an arcuate opening for receiving the rod, the opening comprising cavities; and wherein the rod is movable between an adjustment position in which the rod does not prevent the relative rotational movement between the first part and the second part; and a locked position in which the rod is trapped inside one of the cavities of the opening, thus preventing relative rotational movement between the first part and the second part.
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公开(公告)号：US11173821B2
公开(公告)日：2021-11-16
申请号：US16684653
申请日：2019-11-15
申请人： TS TECH CO., LTD.
发明人： Shuichi Shimizu , Yuji Tanaka
摘要： Disclosed is a headrest fore-aft position adjuster including a displaceable body which receives load of an occupant's head and which displaces in a fore-aft direction with respect to a headrest pillar and a lock mechanism which locks and unlocks the displaceable body at a plurality of positions along the fore-aft direction, and the lock mechanism includes an engaging part which displaces in the fore-aft direction integrally with the displaceable body, a plurality of engaged part which is provided along a trajectory of the engaging part and which the engaging part is engaged with in a locked state and the engaging part is configured to engage with the engaged parts from a lateral position.
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公开(公告)号：US10525859B2
公开(公告)日：2020-01-07
申请号：US15730036
申请日：2017-10-11
申请人： TS TECH CO., LTD.
发明人： Shuichi Shimizu , Yuji Tanaka
摘要： Disclosed is a headrest fore-aft position adjuster including a displaceable body which receives load of an occupant's head and which displaces in a fore-aft direction with respect to a headrest pillar and a lock mechanism which locks and unlocks the displaceable body at a plurality of positions along the fore-aft direction, and the lock mechanism includes an engaging part which displaces in the fore-aft direction integrally with the displaceable body, a plurality of engaged part which is provided along a trajectory of the engaging part and which the engaging part is engaged with in a locked state and the engaging part is configured to engage with the engaged parts from a lateral position.
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公开(公告)号：US10427572B2
公开(公告)日：2019-10-01
申请号：US15772423
申请日：2016-10-11
申请人： WOOBO TECH CO., LTD.
发明人： Hae Il Jeong
摘要： The present invention relates to a headrest folding device, more particularly, to a headrest folding device wherein a ratchet is connected between a release lever and a lock link which maintains the unfolding (upright) of a headrest, so that the operation of the release lever is not directly transferred to the lock link, but rather indirectly transferred to the lock link through the ratchet, thereby smoothing the operation of the release lever.
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公开(公告)号：US10099582B2
公开(公告)日：2018-10-16
申请号：US14635401
申请日：2015-03-02
发明人： Uwe Wagner , Carsten Schauf , Daniel Hari , Andrew John Murray , Killian Vas
摘要： A head restraint includes a central part, a fastener for fastening the central part to a backrest of a vehicle seat, and at least one side wing. The side wing is mounted pivotably in relation to the central part between the neutral position and at least one comfort position, and is fixable at least in the comfort position. The fastener is designed to mount the central part pivotably relative to the backrest about a horizontal pivot axis. The central part is pivotable between a parking position and at least one supporting position and is fixable at least in the supporting position.
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公开(公告)号：US11247594B2
公开(公告)日：2022-02-15
申请号：US16973837
申请日：2019-06-06
摘要： A headrest element may have a central supporting region and two lateral supporting regions. The lateral supporting regions may be pivotable with respect to the central supporting region about a side pivot axis, which may run at least substantially parallel to a supporting surface of the central supporting region, in such a manner that an angle of the supporting surfaces of the lateral supporting regions can in each case be adjusted variably with respect to the supporting surface of the central supporting region. The central supporting region and the lateral supporting regions may be jointly pivotable about a transverse pivot axis, which runs at least substantially perpendicular to the side pivot axes, in such a manner that an adjustment of the supporting regions in the longitudinal direction of the vehicle is possible. A headrest using the headrest element is also described.
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公开(公告)号：US11148569B2
公开(公告)日：2021-10-19
申请号：US16767695
申请日：2018-11-28
发明人： Jie Xu , Qing Song , Donghai Xu
摘要： A turnover mechanism is disclosed. The turnover mechanism includes a bracket assembly, a rotatable cam, a cam resetting component, a locking pawl piece, a rotating shaft, and a rotating shaft resetting torsion spring. The cam is axially disposed on the bracket assembly. The cam resetting component is connected to the cam and the bracket assembly. The locking pawl piece is axially disposed on the bracket assembly. The cam drives the locking pawl piece to move between a locked state and an unlocked state through forward and reverse movements. The rotating shaft is axially disposed on the bracket assembly and is provided with a locking tooth plate. When the locking pawl piece is in the locked state, a locking pawl in the locking pawl piece and a locking groove on the locking tooth plate are locked and engaged, and the rotating shaft and the bracket assembly are restricted from relative rotation by the locking tooth plate. When the locking pawl piece is at an unlocked position, the locking pawl in the locking pawl piece and the locking groove on the locking tooth plate are unlocked and disengaged, and the rotating shaft and the bracket assembly are rotatable relatively. The rotating shaft resetting torsion spring is connected to the locking tooth plate and the bracket assembly. The rotating shaft resetting torsion spring drives the locking tooth plate and the rotating shaft to rotate relative to the bracket assembly.
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公开(公告)号：US20200282887A1
公开(公告)日：2020-09-10
申请号：US16809921
申请日：2020-03-05
发明人： Louay CHAER , Matthew MU , Hangkai ZHU
摘要： A frame assembly for a vehicle seat includes a headrest frame including at least one support pole extending downwardly from the headrest frame and a seatback frame having a central body and a pair of outer brackets extending outwardly from the central body in spaced relationship to one another. A crossbar extends between and is rotatable relative to the pair of outer brackets. The at least one support pole is secured to the crossbar for facilitating concurrent rotation of the headrest frame with the crossbar. A locking mechanism is operably interconnected with the crossbar. An actuator is movable from a first actuator position to a second actuator position to engage the locking mechanism and move the locking mechanism from a locked condition to an unlocked condition. A slide shaft extends between the pair of outer brackets and supports the actuator during movement between the first and second actuator positions.
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公开(公告)号：US10406955B1
公开(公告)日：2019-09-10
申请号：US16199698
申请日：2018-11-26
发明人： Yintai Jiang , Jianhua Wang , Guojun Tang
摘要： A headrest assembly according to an exemplary aspect of the present disclosure includes a head restraint configured to rotate from a first locked position to a second locked position to incline the head restraint relative to a seat back. Further, the head restraint is configured such that rotation of the head restraint beyond the second locked position causes the head restraint to become urged back to the first locked position. The head restraint includes a ratchet assembly having a pawl and pawl spring, and the pawl spring includes a first section and a second section. The first section of the pawl spring is configured to contact the pawl when the head restraint is rotated from the first locked position to the second locked position, and the second section of the pawl spring is configured to contact the pawl when the head restraint is rotated beyond the second locked position.
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公开(公告)号：US10369911B2
公开(公告)日：2019-08-06
申请号：US15568513
申请日：2016-04-19
申请人： TACHI-S CO., LTD.
摘要： The purpose of the present invention is to provide a headrest to be infallibly locked when returned from a forward tilted position to a using position, without requiring high part accuracy and assembly accuracy. A vehicle seat headrest (4) according to the present invention, having: a stay (402) held on the seat back side; and a headrest main body (4A) supported forward rotatably from a using position with respect to the stay (402), includes: a locking mechanism (500) that fixes a rotation position of the headrest main body (4A) with respect to the stay (402) in the using position; and a stopper mechanism (600) that is not engaged with a regulation part in the using position, but is engaged with the regulation part when the headrest main body (4A) is tilted backward from the using position, to regulate backward tilting of the headrest main body (4A).
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