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    Chair having a movable seat
    1.
    发明授权
    Chair having a movable seat 有权

    公开(公告)号：US12108882B2

    公开(公告)日：2024-10-08

    申请号：US17946340

    申请日：2022-09-16

    Applicant: KOKUYO CO., LTD.

    Inventor： Katsuaki Hayashi

    IPC: A47C1/032 ,  A47C3/026 ,  A47C3/18

    CPC classification number: A47C3/026 ,  A47C1/03261 ,  A47C1/03288 ,  A47C3/18

    Abstract: The chair has a simple structure in which a seat can follow a free movement of a seated person in front-rear, left-right, and diagonal directions, a burden from an operation by which the seated person balances his or her load can also be reduced, and a movement by which the seated person changes his or her posture stably and continuously can be suitably supported. The chair includes a movement mechanism 3 that causes an upper base unit (31) to swing in a direction of 360 degrees with respect to a lower base unit (32), and a seat 1 attached to the upper base unit (31). The chair further includes a damper mechanism (DM) that may operate by following a movement in a direction of 360 degrees, as a mechanism separate from the movement mechanism (3), at a position connecting the upper base unit (31) and the lower base unit (32).

    CHAIR WITH DYNAMIC MOTION FEATURES
    2.
    发明公开
    CHAIR WITH DYNAMIC MOTION FEATURES 审中-公开

    公开(公告)号：US20240306818A1

    公开(公告)日：2024-09-19

    申请号：US18279994

    申请日：2022-03-04

    Applicant: HNI Technologies Inc.

    Inventor： Travis J. Crowell ,  Christopher J. Davis ,  Wolfgang Deisig ,  Nils Daniel Koehn

    IPC: A47C1/032

    CPC classification number: A47C1/03288 ,  A47C1/03255

    Abstract: A chair control includes a rocker assembly configured to be coupled to a chair back, the rocker assembly including a rocker flex element configured to be coupled to a chair seat, the rocker flex element being resiliently deformable and a ground assembly configured to be coupled to a chair base, the rocker assembly being coupled to the ground assembly (e.g., pivotally coupled), the ground assembly including a ground flex element configured to be coupled to the chair seat to which the rocker flex element is coupled, the ground flex element being resiliently deformable.

    Swingable chair chassis
    3.
    发明授权
    Swingable chair chassis 有权

    公开(公告)号：US12029319B2

    公开(公告)日：2024-07-09

    申请号：US17968999

    申请日：2022-10-19

    Applicant: Chang-Chen Lin

    Inventor： Chang-Chen Lin

    IPC: A47C3/02 ,  A47C1/032 ,  A47C3/025 ,  A47C3/026 ,  A47C7/44

    CPC classification number: A47C1/03255 ,  A47C1/03288 ,  A47C3/0252 ,  A47C3/026 ,  A47C7/448

    Abstract: A swingable chair chassis comprises a rocker seat including a chamber defined between a bottom wall and a peripheral wall. The bottom wall includes a slot extending in a front/rear direction. A lid is securely mounted to a bottom of the seat and the rocker seat. A supporting seat is disposed in the chamber of the rocker seat. The supporting seat includes a central portion having an insertion hole coupled with chair post. The supporting seat includes an arcuate supporting face formed on an upper side thereof and abutting against a lower face of the lid. A plurality of elastic elements is disposed between the bottom wall of the rocker seat and the supporting seat and provides movement elasticity when the rocker seat swings forward or rearward relative to the supporting seat. The supporting face abuts against the lower face of the lid during swinging movement of the rocker seat.

    LOAD SUPPORT STRUCTURE
    4.
    发明申请
    LOAD SUPPORT STRUCTURE 有权
    负载支持结构

    公开(公告)号：US20150230610A1

    公开(公告)日：2015-08-20

    申请号：US14705281

    申请日：2015-05-06

    Applicant: HERMAN MILLER, INC.

    Inventor： JOHANN BURKHARD SCHMITZ ,  Claudia Plikat ,  Carola Eva Marianne Zwick ,  Roland Rolf Otto Zwick ,  Andrew Keith Hector ,  John F. Aldrich

    IPC: A47C3/12 ,  A47C7/14 ,  A47C7/54 ,  A47C7/02

    CPC classification number: A47C7/44 ,  A47C1/03255 ,  A47C1/03277 ,  A47C1/03288 ,  A47C1/03294 ,  A47C3/12 ,  A47C5/12 ,  A47C7/02 ,  A47C7/025 ,  A47C7/14 ,  A47C7/462 ,  A47C7/54 ,  A47C7/543 ,  A47C11/005 ,  Y10T29/49867 ,  Y10T29/49908

    Abstract: A body support structure including a pair of laterally spaced apart supporting arms defining a gap therebetween, wherein each of the supporting arms includes an upper support having an upwardly extending upright and a forwardly extending seat support defining a seat part, and a lower support having an upwardly extending upright spaced apart from the upright of the upper support in a vertical plane. The uprights of the upper and lower supports define a backrest part. A pair of armrests each includes an upwardly extending portion connected to a respective one of the forwardly extending seat supports and a forwardly extending portion pivotally connected to the backrest part. A cross brace extends between and is coupled to the supporting arms proximate the pivotal connection. A flexible membrane extends between and is coupled to the supporting arms.

    Abstract translation: 一种身体支撑结构，包括在其间限定间隙的一对横向间隔开的支撑臂，其中每个支撑臂包括具有向上延伸的直立的上支撑件和限定座部件的向前延伸的座椅支撑件，以及具有 在垂直平面上向上延伸直立与上支撑件的立柱间隔开。 上支架和下支架的立柱限定靠背部分。 一对扶手每个都包括连接到前面延伸的座椅支撑件中的相应一个的向上延伸部分和与靠背部分枢转连接的向前延伸部分。 交叉支架在靠近枢转连接处的支撑臂之间延伸并且联接到支撑臂。 柔性膜在支撑臂之间延伸并且联接到支撑臂。

    Office chair having a support member for shiftably supporting a seat
    7.
    发明授权
    Office chair having a support member for shiftably supporting a seat 失效
    办公椅具有可移动地支撑座椅的支撑构件

    公开(公告)号：US5462336A

    公开(公告)日：1995-10-31

    申请号：US142296

    申请日：1994-01-19

    Applicant: Simon Desanta

    Inventor： Simon Desanta

    IPC: A47C1/032 ,  A47C3/026 ,  A47C9/02 ,  A47C3/20

    CPC classification number: A47C1/03255 ,  A47C1/03288

    Abstract: An office chair comprises a column projecting from a pedestal, a seat, a back rest and a bracket projecting from the upper end of the column forwards. The seat is supported by the front end of the bracket in a first transverse pivot axis. A support member is supported in the central portion of the bracket by a second transverse pivot axis and extends below the seat up to the back rest which is carried by the support member. The support member is resiliently supported by the column and/or the bracket. The rear end portion of the seat is shiftably supported by the support member.

    Abstract translation: PCT No.PCT / EP93 / 00644 Sec。 371日期1994年1月19日 102（e）日期1994年1月19日PCT 1993年3月18日PCT公布。 公开号WO93 / 18687 日期：1993年9月30日。办公椅包括一个从底座上伸出的柱子，一个座椅，一个靠背和一个从柱子上端向前突出的支架。 座椅由支架的前端以第一横向枢转轴线支撑。 支撑构件通过第二横向枢转轴线支撑在支架的中心部分中，并在座椅下方延伸到由支撑构件承载的靠背。 支撑构件由柱和/或支架弹性地支撑。 座椅的后端部由支撑构件可移动地支撑。

    Split back chair
    8.
    发明授权
    Split back chair 失效
    拆分椅子

    公开(公告)号：US5249839A

    公开(公告)日：1993-10-05

    申请号：US790348

    申请日：1991-11-12

    Applicant: Frederick S. Faiks ,  Carl V. Forslund, III ,  Robert M. Scheper ,  Craig M. Anderson

    Inventor： Frederick S. Faiks ,  Carl V. Forslund, III ,  Robert M. Scheper ,  Craig M. Anderson

    IPC: A47C3/025 ,  A47C7/46 ,  A47C3/00

    CPC classification number: A47C7/462 ,  A47C1/03255 ,  A47C1/03266 ,  A47C1/03272 ,  A47C1/03288

    Abstract: A chair, with independent control of a lumbar portion of a seat back and a thoracic portion of the seat back, has a seat connected with a base and a control connected with the base, generally under the seat. A first support, pivotally connected with the control, extends from the control to the thoracic portion of the seat back. A second support, pivotally connected with the control, extends from the control, to the lumbar portion of the seat back. The two supports operate independently and the thoracic and lumbar portions of the seat back rotate independently rearward with respect to the seat, providing sympathetic back support for a user. The thoracic portion may rotate laterally to follow twisting movements of a user's thoracic region. The lumbar portion may be connected with the second support to limit lateral rotation of the lumbar portion.

    Abstract translation: 独立控制座椅靠背的腰部部分和座椅靠背胸部的椅子具有与底座连接的座和与基座相连的控制台，通常在座椅下方。 与控制器枢转连接的第一支撑件从控制件延伸到座椅靠背的胸部。 与控制器枢转连接的第二支撑件从控制器延伸到座椅靠背的腰部。 两个支撑件独立地操作，并且座椅靠背的胸部和腰部相对于座椅独立地向后旋转，为使用者提供了同情的支撑。 胸部可以横向旋转以跟随使用者胸部区域的扭转运动。 腰部可以与第二支撑件连接以限制腰部的横向旋转。

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