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公开(公告)号：US11225178B2
公开(公告)日：2022-01-18
申请号：US16879200
申请日：2020-05-20
Applicant: Hyundai Motor Company , Kia Motors Corporation , WOOBO TECH CO., LTD. , WOOIL INDUSTRY
Inventor： Sang Man Seo , In Ki Park , Hae Il Jeong
Abstract: A slim headrest device may include a fixed guide bracket provided upside a seatback; a moving plate, a first end portion of which is moved forward and rearward by being guided by the fixed guide bracket and a second end portion of which is in a shape bent upward; and a moving guide bracket to which a headrest is mounted, the moving guide bracket being moved upwardly and downwardly by being guided by the second end portion of the moving plate.
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公开(公告)号：US11192481B2
公开(公告)日：2021-12-07
申请号：US16763595
申请日：2019-06-26
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
IPC: B60N2/75
Abstract: The present invention relates to an armrest tilting device which is slimmed in a width direction of the vehicle by including a housing, a shaft which is rotatable relative to the housing, a bracket installed to interlock with the shaft, a first ratchet installed to be rotatable with respect to the bracket, a second ratchet fixed to the housing and engaged with the first ratchet, a lock spring installed between the bracket and the first ratchet so that, with respect to rotation of the bracket, teeth of the first ratchet are sequentially engaged with teeth of the second ratchet, and a leaf spring installed between an inner side surface of the housing and the bracket so as to apply an elastic force in an axial direction of the shaft.
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公开(公告)号：US11186212B2
公开(公告)日：2021-11-30
申请号：US16760535
申请日：2018-06-18
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
Abstract: The present invention relates to a headrest controlling apparatus, and more particularly, to a headrest controlling apparatus which includes a first fixing member installed on a first member, and a second fixing member installed in the second member to slide in a lateral direction and configured to fix a position of the headrest, wherein one of the first fixing member and the second fixing member includes a fixing groove formed in a lateral direction, the other one includes a fixing protrusion which is inserted into the fixing groove, and the second fixing member includes a first fixing member insertion groove formed to pass therethrough in a rotational direction of the second member so that the first fixing member is inserted thereinto, and thus has a simplified structure, and the first fixing member is fitted onto the first fixing member insertion groove when an occupant pushes the second fixing member to fold a headrest, and thus, convenience of use can be increased by not continuously pushing the second fixing member.
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公开(公告)号：US20210245638A1
公开(公告)日：2021-08-12
申请号：US16763595
申请日：2019-06-26
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
IPC: B60N2/75
Abstract: The present invention relates to an armrest tilting device which is slimmed in a width direction of the vehicle by including a housing, a shaft which is rotatable relative to the housing, a bracket installed to interlock with the shaft, a first ratchet installed to be rotatable with respect to the bracket, a second ratchet fixed to the housing and engaged with the first ratchet, a lock spring installed between the bracket and the first ratchet so that, with respect to rotation of the bracket, teeth of the first ratchet are sequentially engaged with teeth of the second ratchet, and a leaf spring installed between an inner side surface of the housing and the bracket so as to apply an elastic force in an axial direction of the shaft.
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公开(公告)号：US10974633B2
公开(公告)日：2021-04-13
申请号：US16336991
申请日：2017-10-24
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
Abstract: The present invention relates to a headrest moving device, more particularly, relates to a headrest moving device comprising: a moving member rotatably connected to a second member; and a guide member connected to the first member and guided by the first member and having a locking groove formed therein for guiding the moving member so that the number of parts of the device is significantly reduced, the weight of the apparatus can be reduced, the manufacturing cost of the apparatus can be reduced, the structure of the apparatus can be simplified since the button can be omitted, and the convenience of usage is enhanced since if a user presses one time, the headrest is positioned in a first position and if presses one more time in the same way the headrest is positioned in a second position.
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Patent Agency Ranking
公开(公告)号：US20200070700A1
公开(公告)日：2020-03-05
申请号：US16613520
申请日：2018-06-18
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
Abstract: The present invention relates to a headrest moving device, and more particularly, to a headrest moving device in which one end of a strap is connected to a member to which a first member is connected, the other end of the strap is drawn out of a headrest or a seat, a guide rod configured to guide the strap is provided on the member to which the first member is connected, and a latching rod configured to latch a portion between one end and the other end of the strap is provided on the first member so that locking can be released through the strap drawn to the outside of the headrest. Thus, a user can easily recognize a way to release the locking and the first member can be smoothly rotated since the strap is smoothly guided.
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公开(公告)号：US10427574B2
公开(公告)日：2019-10-01
申请号：US15778866
申请日：2016-11-11
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
Abstract: A device for sliding a headrest towards the front direction includes a ratchet and a release lever installed in a side link which is a movable part. A release protrusion is formed in the ratchet and disposed almost in parallel with the hinge shaft of the ratchet. The release protrusion of the ratchet is pushed up to release the locking so that the headrest is returned to its original position.
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公开(公告)号：US20190118687A1
公开(公告)日：2019-04-25
申请号：US16091191
申请日：2017-04-12
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
Abstract: The present invention relates to a headrest folding device, more particularly, to a headrest folding device comprising a housing, a link rotatably installed in the housing, and a lifting member installed in the housing in a way that it can be lifted or lowered, wherein a stay rod is connected to the link, and wherein the stay rod is slidingly installed in the lifting member, so that the structure becomes significantly simplified, the device becomes compact, and the headrest is stably folded.
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公开(公告)号：US20180345839A1
公开(公告)日：2018-12-06
申请号：US15778866
申请日：2016-11-11
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
CPC classification number: B60N2/865 , B60N2/80 , B60N2/929 , B60N2002/952
Abstract: The present invention relates to a device for sliding a headrest towards the front direction, more particularly, to a headrest sliding device wherein a ratchet and a release lever are installed in a side link which is a movable part, and the protrusion of the ratchet is being pushed up to release the locking so that the headrest is returned to its original position.
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公开(公告)号：US20180042383A1
公开(公告)日：2018-02-15
申请号：US15550834
申请日：2016-02-26
Applicant: WOOBO TECH CO., LTD.
Inventor： Hae Il Jeong
IPC: A47C7/38
Abstract: The present invention relates to a headrest moving device, more particularly, relates to a headrest moving device wherein the user convenience is enhanced since the contact position between the moving unit and the return spring is changed according to the position of the headrest so that the forces being applied by a user are same or similar, that is, there is no significant difference in the operational forces when moving the headrest to either the minimum position or the maximum position thereof.
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