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公开(公告)号：US10932575B2
公开(公告)日：2021-03-02
申请号：US16307855
申请日：2017-06-08
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Ryo Igarashi , Syouichi Izawa
Abstract: An armrest (8, 208) and a chair (100, 200) according to the present invention are provided with: an armrest body (8b, 208b) which is a movable member including a placing surface for supporting a limb of a seated person, and which is supported by a support rod (8a, 208a) from below so as to be movable in a horizontal direction; and a through-space (S, 200S) which is a guide portion indicating the position to be touched by the seated person when moving the armrest body (8b, 208b).
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公开(公告)号：US10932573B2
公开(公告)日：2021-03-02
申请号：US16307795
申请日：2017-06-09
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Shinpei Totsuka
Abstract: A backrest (7) includes: a tensile material (71) on which a load support surface (71f) configured to receive a load of a seated person is formed; a back front frame (80F) that supports an outer peripheral end portion (71e) of the tensile material (71); an attachment portion (87) which is formed in the back front frame (80F) and faces the tensile material (71) in a state where the attachment portion (87) is separated from the tensile material (71) in a direction intersecting the load support surface (71f); and a lumber support (200) that is attachable to and detachable from the attachment portion (87), in which the lumber support (200) includes an attaching portion (222) which extends in a direction along the load support surface (71f), is inserted into a gap (S) between the tensile material (71) and the attachment portion (87), and is fixed to the attachment portion (87).
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公开(公告)号：US11439239B2
公开(公告)日：2022-09-13
申请号：US17285987
申请日：2019-10-17
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Syunsuke Ishimaru
Abstract: A backrest includes: a backrest body against which a seated person leans a back thereof, a backrest support positioned behind and supporting the backrest body; and an armrest body provided outside in a width direction of the backrest body and supported by the backrest support so as to move up and down at a position separated from the backrest body. A chair includes the above-described backrest.
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公开(公告)号：US11019928B2
公开(公告)日：2021-06-01
申请号：US16307836
申请日：2017-06-09
Applicant: OKAMURA CORPORATION
Inventor： Yuuichirou Takagi , Hiroshi Masunaga , Ryo Igarashi , Syouichi Izawa
Abstract: An armrest according to the present invention includes a support member (8a, 215, 308a) which is a support structure, and an armrest main body (8b, 216, 308b), the armrest main body (8b, 216, 308b) includes a lower layer member (8j) including an operation lever (8p, 235, 308p) which is supported by a support member (8a, 215, 308a) to be movable in a forward-and-rearward direction and is operated by a seated person, and an upper layer member (8k) supported by the lower layer member (8j) to be movable in right-and-left direction, and the upper layer member (8k) covers the operation lever (8p, 235, 308p) at a base position in the right-and-left direction.
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公开(公告)号：US09578968B2
公开(公告)日：2017-02-28
申请号：US14436873
申请日：2013-04-25
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Ryo Igarashi , Syouichi Izawa
CPC classification number: A47C7/44 , A47C1/03277 , A47C7/40 , A47C7/46 , A47C7/462
Abstract: A chair includes: a leg body; a backrest supporting body supported by the leg body; a backrest rear supporting member supported by the backrest supporting body; and a backrest that is supported by the backrest rear supporting member and supports the back of a user. The backrest has: a flexible upholstering material configured to receive the back of the user and is displaceable depending on the back; and a pair of vertical frame sections that are mounted on the upholstering material, have lower ends connected to the back rest rear section support section, and are separated in a width direction in which twisting deformation is allowed depending on a force applied from the upholstering material.
Abstract translation: 椅子包括：腿部身体; 由所述腿体支撑的靠背支撑体; 由靠背支撑体支撑的靠背后支撑构件; 以及由靠背后支撑构件支撑并支撑使用者的背部的靠背。 靠背具有：灵活的装饰材料，其构造成接收使用者的背部，并且可根据背部而移动; 以及一对安装在所述装饰材料上的垂直框架部，具有连接到所述靠背后部支撑部的下端，并且在宽度方向上分离，所述宽度方向根据从所述装饰材料施加的力而允许扭转变形 。
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Patent Agency Ranking
公开(公告)号：US10898001B2
公开(公告)日：2021-01-26
申请号：US16307855
申请日：2017-06-08
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Ryo Igarashi , Syouichi Izawa
Abstract: An armrest (8, 208) and a chair (100, 200) according to the present invention are provided with: an armrest body (8b, 208b) which is a movable member including a placing surface for supporting a limb of a seated person, and which is supported by a support rod (8a, 208a) from below so as to be movable in a horizontal direction; and a through-space (S, 200S) which is a guide portion indicating the position to be touched by the seated person when moving the armrest body (8b, 208b).
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公开(公告)号：US11019930B2
公开(公告)日：2021-06-01
申请号：US16307878
申请日：2017-06-08
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Syouichi Izawa
Abstract: A load support structure for a chair includes a tensile material on which a load support surface configured to receive a load of a seated person is formed, a pair of support sections (51) to which the tensile material is attached, and which is elastically deformable in response to a force acting from the tensile material, a first reinforcing section (41) which is disposed to be spaced apart from the pair of support sections (51) in a surface perpendicular direction perpendicular to the load support surface, is located on a side opposite to the load support surface, and extends along an extending direction of the support section, and a connecting body which connects each of both end portion sides of the support section (51) with a corresponding end portion side of both end portion sides of the first reinforcing section (41), in which the support sections (51) are disposed outside the first reinforcing section (41) in a view of the surface perpendicular direction from the load support surface side.
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公开(公告)号：US10966530B2
公开(公告)日：2021-04-06
申请号：US16307795
申请日：2017-06-09
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga , Shinpei Totsuka
Abstract: A backrest (7) includes: a tensile material (71) on which a load support surface (71f) configured to receive a load of a seated person is formed; a back front frame (80F) that supports an outer peripheral end portion (71e) of the tensile material (71); an attachment portion (87) which is formed in the back front frame (80F) and faces the tensile material (71) in a state where the attachment portion (87) is separated from the tensile material (71) in a direction intersecting the load support surface (71f); and a lumber support (200) that is attachable to and detachable from the attachment portion (87), in which the lumber support (200) includes an attaching portion (222) which extends in a direction along the load support surface (71f), is inserted into a gap (S) between the tensile material (71) and the attachment portion (87), and is fixed to the attachment portion (87).
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公开(公告)号：US10264886B2
公开(公告)日：2019-04-23
申请号：US15543503
申请日：2016-01-05
Applicant: OKAMURA CORPORATION
Inventor： Hiroshi Masunaga
Abstract: A pivot shaft (10) which is a first shaft member coupled to a supporting member, an inner cylinder (12) which is a second shaft member coupled to a supported member, and an outer cylinder (14) which is a third shaft member are disposed to be approximately coaxial with each other and disposed radially in multiple layers. The pivot shaft (10) and the inner cylinder (12) are coupled to each other through a first rubber-like elastic member (11), and the inner cylinder (12) and the outer cylinder (14) are coupled to each other through a second rubber-like elastic member (13). The total reaction force is increased by restricting the rotation of the outer cylinder (14) by means of an operating pin (19) which is a reaction force adjusting part and thereby adding a reaction force resulting from the second rubber-like elastic member (13) to a base reaction force resulting from the first rubber-like elastic member (11).
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公开(公告)号：US20150265058A1
公开(公告)日：2015-09-24
申请号：US14436470
申请日：2013-10-17
Applicant: OKAMURA CORPORATION
Inventor： Ryo Igarashi , Syouichi Izawa , Hiroshi Masunaga
Abstract: A chair includes: a leg body; a backrest supporting body supported by the leg body; and a backrest supporting body supported by the backrest supporting body and configured to support the back of a user. The backrest supporting body has: a backrest which has a flexible upholstering material member that receives the back of the user and enables displacement depending on the back and a pair of vertical frame sections on which the upholstering material member is mounted and which are separated in a width direction in which the vertical frame sections are elastically deformable by a force applied from the upholstering material member; and a backrest rear section supporting member configured to connect the vertical frame sections—in an upward/downward direction.
Abstract translation: 椅子包括：腿部身体; 由所述腿体支撑的靠背支撑体; 以及靠背支撑体，其由所述靠背支撑体支撑并且被配置为支撑使用者的背部。 靠背支撑体具有：靠背，其具有容纳使用者背部的灵活的装饰材料构件，并且能够根据背面和一对垂直框架部分进行移位，在该框架部分上安装有装饰材料构件， 宽度方向，其中垂直框架部分可通过从装饰材料构件施加的力弹性变形; 以及靠背后部支撑构件，其构造成在垂直框架部分中沿上/下方向连接。
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