JP2000004982A - Height adjusting device of arm rest, etc., of chair - Google Patents
Height adjusting device of arm rest, etc., of chairInfo
- Publication number
- JP2000004982A JP2000004982A JP10177609A JP17760998A JP2000004982A JP 2000004982 A JP2000004982 A JP 2000004982A JP 10177609 A JP10177609 A JP 10177609A JP 17760998 A JP17760998 A JP 17760998A JP 2000004982 A JP2000004982 A JP 2000004982A
- Authority
- JP
- Japan
- Prior art keywords
- chair
- support rod
- sliding member
- supporting rod
- lower support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
- A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
- A47C1/0305—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction by peg-and-notch or pawl-and-ratchet mechanism
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、着席者の体形や、
作業内容に応じて、椅子の肘掛け等の高さ位置を調節す
ることができるようにした装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention
The present invention relates to a device capable of adjusting a height position of an armrest or the like of a chair in accordance with work contents.
【０００２】[0002]
【従来の技術】着席者の体形による腕の位置の違いに応
じて、或いは、机上での作業がし易いように、椅子の肘
当ての高さ位置を調整することができる椅子が存在す
る。このような椅子の代表的なものとして、例えば、特
開平9-173178号公報記載のものがある。2. Description of the Related Art There are chairs in which the height position of an armrest of a chair can be adjusted in accordance with a difference in arm position depending on a occupant's body shape or to facilitate work on a desk. A typical example of such a chair is described in Japanese Patent Application Laid-Open No. 9-173178.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記公報記載
の椅子においては、椅子に固定されているほぼ円形の下
部支杆に、肘当てを取り付けたパイプ状の上部支杆を、
上下動可能に外嵌させているだけであるので、上部支杆
を上下動させた場合には、支杆同士が接触して、両者の
間に摩擦やがたつきが生じ、スムーズに肘当てを上下動
させることが困難となる。However, in the chair described in the above-mentioned publication, a pipe-shaped upper rod having an elbow rest attached to a substantially circular lower rod fixed to the chair.
When the upper rods are moved up and down, the rods come into contact with each other, causing friction and rattling between the two, so that the elbow rests smoothly. Is difficult to move up and down.
【０００４】本発明は、従来の技術が有する上述のよう
な問題点に鑑みてなされたもので、肘当て等の高さ位置
の調節を小さい力で行うことができ、かつ肘当て等の上
下動を、がたつきくことなくスムーズに行うことができ
るようにした椅子の肘掛け等の高さ調節装置を提供する
ことを目的とする。The present invention has been made in view of the above-mentioned problems of the prior art, and can adjust the height position of an armrest or the like with a small force, and can adjust the height of the armrest or the like. An object of the present invention is to provide a height adjusting device such as an armrest of a chair, which can perform movement smoothly without rattling.
【０００５】[0005]
【課題を解決するための手段】本発明は、次のようにし
て上記課題を解決している。 (１) 椅子の肘当て等を支持する支持杆を、下部支杆
と、前記下部支杆よりも大径で、この下部支杆が内部に
挿入されて上下動可能な筒状の上部支杆とからなるもの
とし、かつ前記下部支杆の表面に、前記上部支杆の内面
が摺接する滑動部材を取り付け、前記上部支杆を、前記
下部支杆に対して前記滑動部材と摺接させながら、上下
動可能とする。The present invention solves the above-mentioned problems as follows. (1) A lower supporting rod, which has a diameter larger than that of the lower supporting rod, and a cylindrical upper supporting rod which can be moved up and down by inserting the lower supporting rod therein. And a sliding member to which the inner surface of the upper supporting rod slides is attached to the surface of the lower supporting rod, and the upper supporting rod slides against the lower supporting rod with the sliding member. , Can be moved up and down.
【０００６】(２) 上記（１）項において、下部支杆表
面に取り付ける滑動部材を少なくとも２以上の部材で形
成するとともに、下部支杆の表面に凹所を形成し、かつ
滑動部材の内側に前記凹所に係合する凸部を形成する。(2) In the above item (1), the sliding member attached to the lower rod surface is formed of at least two members, a recess is formed in the surface of the lower rod, and the sliding member is formed inside the sliding member. A projection is formed to engage the recess.
【０００７】(３) 上記（２）項において、滑動部材
に、外方に突出する弾性変形可能な摺接部を設け、上部
支杆を上下動させる際に、上部支杆の内面と前記摺接部
とが摺動するようにする。(3) In the above item (2), the sliding member is provided with an elastically deformable sliding contact portion protruding outward, and when the upper supporting rod is moved up and down, the inner surface of the upper supporting rod and the sliding member are moved. The contact part should slide.
【０００８】[0008]
【発明の実施の形態】次に、本発明に係る椅子の肘掛け
等の高さ調節装置の実施形態を、添付図面を参照しなが
ら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a height adjusting device such as an armrest of a chair according to the present invention will be described with reference to the accompanying drawings.
【０００９】図１は、本実施形態の椅子の肘掛け等の高
さ調節装置が適用された椅子の要部の分解斜視図であ
る。FIG. 1 is an exploded perspective view of a main part of a chair to which a height adjusting device such as an armrest of a chair according to this embodiment is applied.
【００１０】図１に示すように、本実施形態の椅子の肘
掛け等の高さ調節装置は、肘当て(10)と、肘当て支持部
(12)と、上部支杆(14)と、下部支杆(16)、上下ロック金
具(17)等とから構成されている。肘当て(10)は、正面視
Ｕ字状の下部支杆(16)（一部図示省略）と、上部支杆(1
4)によって椅子の両脇に立設されている。As shown in FIG. 1, a height adjusting device such as an armrest of a chair according to the present embodiment comprises an armrest (10) and an armrest supporting portion.
(12), an upper supporting rod (14), a lower supporting rod (16), a vertical lock fitting (17), and the like. The elbow rest (10) includes a U-shaped lower support (16) (not shown) and an upper support (1).
It is erected on both sides of the chair according to 4).
【００１１】肘当て(10)は、肘当て支持部(12)上に、ボ
ルト(18)(18)によって締め付け固定されて肘当て支持部
(12)と一体化されている。肘当て支持部(12)の下面に
は、カバー(19)が、ねじ(21)によって取り付けられてい
る。The elbow rest (10) is tightened and fixed on the elbow rest support (12) by bolts (18) (18).
It is integrated with (12). A cover (19) is attached to the lower surface of the elbow support (12) by screws (21).
【００１２】カバー(19)に設けた後部の孔(19a)は、上
部支杆(14)と嵌合され、同じく前部の孔(19b)には、上
向椀状をなす操作ボタン(20)が、上下動しうるようにし
て、かつ下面を、下方へやや突出させて嵌合されてい
る。The rear hole (19a) provided in the cover (19) is fitted with the upper support rod (14), and the front hole (19b) also has an operation button (20) having an upward bowl shape. ) Are fitted so that they can move up and down, and the lower surface slightly protrudes downward.
【００１３】操作ボタン(20)の前部は、左右方向を向く
支軸(22)をもって肘当て支持部(12)に枢支され、かつ上
端を前記ボルト(18)に係止した圧縮ばね(15)の下端を、
操作ボタン(20)の底壁に圧接させることにより、操作ボ
タン(20)は下向きに付勢され、常時は、操作ボタン(20)
のフランジ(20a)下面に形成された係合突条(20b)が、上
部支杆(14)の波形状の嵌合溝(14a)と嵌合して、上部支
杆(14)に対して左右方向に移動可能に配設された肘当て
支持部(12)の左右方向への移動を係止している。A front portion of the operation button (20) is pivotally supported by an elbow support portion (12) with a support shaft (22) facing left and right, and a compression spring ( 15)
By pressing against the bottom wall of the operation button (20), the operation button (20) is urged downward.
The engagement ridge (20b) formed on the lower surface of the flange (20a) fits into the corrugated fitting groove (14a) of the upper support (14), and The movement in the left-right direction of the elbow rest support portion (12) arranged movably in the left-right direction is locked.
【００１４】下部支杆(16)の表面には、図２〜図４に示
す１対の滑動部材(24)(24)が、下部支杆(16)の前後面に
取り付けられている。図２に示すように、滑動部材(24)
の上部、下部及び中間部には、垂直方向に２本ずつ、ス
リット(25)が穿設されている。上端部及び下端部には、
外方に突出する弾性変形可能な摺接部(26)が形成されて
いるとともに、滑動部材(24)の中間部には、薄肉部(28)
が形成されている。滑動部材(24)は、図３に示すよう
に、平面視半円形状をなし、樹脂等、摺動時の摩擦を低
減可能な材質で形成されている。A pair of sliding members 24 and 24 shown in FIGS. 2 to 4 are mounted on the front and rear surfaces of the lower support 16 on the surface of the lower support 16. As shown in FIG. 2, the sliding member (24)
Two slits (25) are formed in the upper part, the lower part, and the middle part in the vertical direction. At the top and bottom,
An elastically deformable sliding contact portion (26) projecting outward is formed, and a thin portion (28) is provided at an intermediate portion of the sliding member (24).
Are formed. As shown in FIG. 3, the sliding member (24) has a semicircular shape in plan view, and is made of a material such as resin which can reduce friction during sliding.
【００１５】また、滑動部材(24)の中央部には、凸部(2
4a)が形成され、この凸部(24a)は、図１及び図４に示す
ように下部支杆(16)に設けられた凹所(16a)と係合可能
になっている。滑動部材(24)は、図５及び図６に示すよ
うに、下部支杆(16)とパイプ状の上部支杆(14)との間に
位置し、下部支杆(16)よりも大径の上部支杆(14)が、下
部支杆(16)に対して上下動する際に、摺接部(26)が弾性
変形しながら上部支杆(14)の内面と摺接して上下動時の
摩擦を低減し、上部支杆(14)の上下動が円滑に行われる
ようにしている。In the center of the sliding member (24), a convex portion (2
4a) is formed, and the convex portion (24a) can be engaged with a concave portion (16a) provided in the lower support rod (16) as shown in FIGS. As shown in FIGS. 5 and 6, the sliding member (24) is located between the lower support (16) and the pipe-like upper support (14), and has a larger diameter than the lower support (16). When the upper supporting rod (14) moves up and down with respect to the lower supporting rod (16), the sliding contact part (26) slides on the inner surface of the upper supporting rod (14) while elastically deforming, and the upper supporting rod (14) moves vertically. Of the upper support rod (14) is smoothly moved up and down.
【００１６】前述したように、滑動部材(24)には、下部
支杆(16)に係合する凸部(24a)が形成されているので、
上部支杆(14)の上下動時に、滑動部材(24)が下部支杆(1
6)から、はずれることはない。As described above, since the sliding member (24) is formed with the projection (24a) that engages with the lower support rod (16),
When the upper support (14) moves up and down, the sliding member (24)
It does not fall off from 6).
【００１７】図１及び図５に示すように、上下ロック金
具(17)は、屈曲部を有する係止片(17a)を有し、その係
止片(17a)は、下部支杆(16)内に挿入されている。係止
片(17a)の上部には、縦長のガイド孔(17b)が穿設され、
ガイド孔(17b)には、ストッパピン(23)が挿入されて上
下ロック金具(17)の上下動を案内する。係止片(17a)の
下部には、複数個のロック孔(17c)が穿設されており、
このロック孔(17c)にロックピン(27)が係合することに
より、上下ロック金具(17)を所望の位置で係止可能とな
っている。As shown in FIGS. 1 and 5, the upper and lower lock fittings (17) have a locking piece (17a) having a bent portion, and the locking piece (17a) is connected to the lower support (16). Is inserted inside. At the top of the locking piece (17a), a vertically long guide hole (17b) is drilled,
A stopper pin (23) is inserted into the guide hole (17b) to guide the vertical movement of the vertical lock fitting (17). In the lower part of the locking piece (17a), a plurality of lock holes (17c) are drilled,
When the lock pin (27) is engaged with the lock hole (17c), the upper and lower lock fittings (17) can be locked at a desired position.
【００１８】上下ロック金具(17)の上部には、上部支杆
(14)に取り付けられた回動軸(29)と嵌合するコ字状片(1
7d)が設けられ、上下ロック金具(17)を下部支杆(16)内
で、揺動可能に支持している。An upper support rod is provided above the upper and lower lock fittings (17).
U-shaped piece (1) that fits with the rotating shaft (29) attached to (14)
7d) is provided to swingably support the upper and lower lock fittings (17) in the lower support rod (16).
【００１９】図６に示すように、上部支杆(14)内に、配
設された圧縮ばね(30)の弾性力に抗して押しボタン(32)
を押圧すれば、上下ロック金具(17)が、図６における右
方向に揺動し、ロックピン(27)との係合が解除され、上
部支杆(14)を下部支杆(16)に対して上下動させることが
可能となる。As shown in FIG. 6, a push button (32) is provided in the upper support rod (14) against the elastic force of a compression spring (30) disposed therein.
When the is pressed, the upper and lower lock fittings (17) swing rightward in FIG. 6, disengagement with the lock pin (27), and the upper support rod (14) is moved to the lower support rod (16). It can be moved up and down.
【００２０】上部支杆(14)が所望位置になったときは、
押しボタン(32)を離せば、ばね(30)の付勢力によって上
下ロック金具(17)が図６における左方向に移動し、ロッ
ク孔(17c)にロックピン(27)が係合して上部支杆(14)が
固定される。When the upper support (14) is at the desired position,
When the push button (32) is released, the upper / lower lock fitting (17) moves leftward in FIG. 6 by the urging force of the spring (30), and the lock pin (27) engages with the lock hole (17c) to move the upper part. The support rod (14) is fixed.
【００２１】以上説明したように、本実施形態では、上
部支杆(14)を下部支杆(16)に対して滑動部材(24)を介し
て上下動可能に挿入し、上部支杆(14)が上下動する際に
は、摺接部(26)が弾性変形することによって、がたつき
を防止しつつ、上部支杆(14)の上下動を案内するように
している。このため、肘掛け(10)の高さ調節を小さい力
で、円滑かつスムーズに行うことが可能となり、使い勝
手が向上する。また、滑動部材(24)を、下部支杆(16)か
ら容易に取り外すことができるので、椅子を廃棄する際
の分別作業が簡単化される利点がある。As described above, in this embodiment, the upper support rod (14) is inserted into the lower support rod (16) via the sliding member (24) so as to be vertically movable, and the upper support rod (14) is inserted. When the moves up and down, the sliding portion (26) is elastically deformed to prevent rattling and to guide the up and down movement of the upper support rod (14). Therefore, the height of the armrest (10) can be adjusted smoothly and smoothly with a small force, and the usability is improved. In addition, since the sliding member (24) can be easily removed from the lower support (16), there is an advantage that the sorting operation when discarding the chair is simplified.
【００２２】本実施形態では、滑動部材(24)を前後１対
としたが、下部支杆(16)全体を覆うように形成する等、
形状、数は問わない。また、本実施形態では、椅子の肘
掛けの高さ調節装置に限って説明しているが、本発明
は、同様の構造を有する装置であれば、部材間の摩擦を
低減する構造として適用可能である。In this embodiment, the sliding member (24) is a pair of front and rear. However, the sliding member (24) is formed so as to cover the entire lower supporting rod (16).
The shape and number are not limited. Further, in the present embodiment, the description is limited to the height adjustment device of the armrest of the chair, but the present invention can be applied as a structure for reducing friction between members as long as the device has a similar structure. is there.
【００２３】[0023]
【発明の効果】本発明によれば、次のような効果を奏す
ることができる。 (a) 請求項１の発明によると、下部支杆の表面に、上部
支杆の内面が摺接する滑動部材を取り付けてあるので、
上部支杆を、下部支杆に対して上下動させた際の摩擦力
が低減され、小さい力で、スムーズに椅子の肘当て等を
上下動させることが可能となる。また、滑動部材を下部
支杆から容易に取り外すことができ、廃棄時の分別作業
が容易である。According to the present invention, the following effects can be obtained. (a) According to the first aspect of the present invention, since the sliding member with which the inner surface of the upper support slides is attached to the surface of the lower support,
The frictional force when the upper support is moved up and down with respect to the lower support is reduced, and the elbow rest of the chair can be moved up and down smoothly with a small force. Further, the sliding member can be easily removed from the lower support, and the sorting work at the time of disposal is easy.
【００２４】(b) 請求項２の発明によると、下部支杆の
表面に凹所を形成し、かつ滑動部材の内側に凹所に係合
する凸部を形成してあるので、上部支杆を上下動させた
ときの滑動部材のずれを防止することができる。(B) According to the second aspect of the present invention, since the concave portion is formed on the surface of the lower support and the convex portion which engages with the concave inside the sliding member, the upper support is formed. Can be prevented from sliding when the is moved up and down.
【００２５】(C) 請求項３の発明によると、滑動部材
に、外方に突出する弾性変形可能な摺接部を設けてある
ので、上部支杆を上下動させた際のがたつきを防止する
ことができ、上部支杆をスムーズに上下動させることが
できる。(C) According to the third aspect of the invention, since the sliding member is provided with an elastically deformable sliding contact portion protruding outward, the rattling when the upper support rod is moved up and down is reduced. The upper support rod can be moved up and down smoothly.
【図１】本発明の一実施形態の椅子の肘掛けの高さ調節
装置の要部の分解斜視図である。FIG. 1 is an exploded perspective view of a main part of a height adjusting device for an armrest of a chair according to an embodiment of the present invention.
【図２】本実施形態の椅子の肘掛け装置のうち、滑動部
材の正面図である。FIG. 2 is a front view of a sliding member in the armrest device for a chair according to the present embodiment.
【図３】同じく、滑動部材の平面図である。FIG. 3 is a plan view of the sliding member.
【図４】図２のIV-IV線に沿った断面図である。FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;
【図５】本実施形態の椅子の肘掛けの高さ調節装置の縦
断面図である。FIG. 5 is a longitudinal sectional view of the armrest height adjusting device of the chair of the embodiment.
【図６】図５のVI-VI線に沿った断面図である。FIG. 6 is a sectional view taken along the line VI-VI of FIG. 5;
(10)肘当て (12)肘当て支持部 (14)上部支杆 (14a)嵌合溝 (15)圧縮ばね (16)下部支杆 (16a)凹部 (17)上下ロック金具 (17a)係止片 (17b)ガイド孔 (17c)ロック孔 (17d)コ字状片 (18)ボルト (19)カバー (19a)後部の孔 (19b)前部の孔 (20)操作ボタン (20a)フランジ (20b)係合突条 (21)ねじ (22)支軸 (23)ストッパピン (24)滑動部材 (24a)凸部 (25)スリット (26)摺接部 (27)ロックピン (28)薄肉部 (29)回動軸 (30)圧縮ばね (32)押しボタン (10) Elbow rest (12) Elbow rest support (14) Upper support (14a) Fitting groove (15) Compression spring (16) Lower support (16a) Concave (17) Vertical lock fitting (17a) Lock (17b) Guide hole (17c) Lock hole (17d) U-shaped piece (18) Bolt (19) Cover (19a) Rear hole (19b) Front hole (20) Operation button (20a) Flange (20b ) Engagement ridge (21) Screw (22) Support shaft (23) Stopper pin (24) Sliding member (24a) Convex part (25) Slit (26) Sliding contact part (27) Lock pin (28) Thin part ( 29) Rotating shaft (30) Compression spring (32) Push button
Claims (3)
部支杆と、前記下部支杆よりも大径で、この下部支杆が
内部に挿入されて上下動可能な筒状の上部支杆とからな
るものとし、かつ前記下部支杆の表面に、前記上部支杆
の内面が摺接する滑動部材を取り付け、前記上部支杆
を、前記下部支杆に対して前記滑動部材と摺接させなが
ら、上下動可能としたことを特徴とする椅子の肘掛け等
の高さ調節装置。1. A supporting rod for supporting an armrest or the like of a chair, comprising: a lower supporting rod; and a cylindrical upper part having a diameter larger than that of the lower supporting rod, the lower supporting rod being inserted therein and capable of moving up and down. And a sliding member on which the inner surface of the upper support slides in contact with the surface of the lower support. The upper support slides in contact with the lower support in sliding contact with the lower support. A height adjusting device such as an armrest for a chair, which can be moved up and down while being moved.
なくとも２以上の部材で形成するとともに、下部支杆の
表面に凹所を形成し、かつ滑動部材の内側に前記凹所に
係合する凸部を形成したことを特徴とする請求項１記載
の椅子の肘掛け等の高さ調節装置。2. A sliding member attached to a surface of a lower support rod is formed of at least two members, a recess is formed in a surface of the lower support rod, and a convex is formed inside the sliding member to engage with the recess. The height adjusting device for an armrest or the like of a chair according to claim 1, wherein a portion is formed.
能な摺接部を設け、上部支杆を上下動させる際に、上部
支杆の内面と前記摺接部とが摺動するようにしたことを
特徴とする請求項２記載の椅子の肘掛け等の高さ調節装
置。3. A sliding member provided with an elastically deformable sliding contact portion protruding outward so that an inner surface of the upper supporting rod slides on the sliding contact portion when the upper supporting rod is moved up and down. 3. A height adjusting device for an armrest of a chair according to claim 2, wherein the height is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10177609A JP2000004982A (en) | 1998-06-24 | 1998-06-24 | Height adjusting device of arm rest, etc., of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10177609A JP2000004982A (en) | 1998-06-24 | 1998-06-24 | Height adjusting device of arm rest, etc., of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000004982A true JP2000004982A (en) | 2000-01-11 |
Family
ID=16034007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10177609A Pending JP2000004982A (en) | 1998-06-24 | 1998-06-24 | Height adjusting device of arm rest, etc., of chair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000004982A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743935B1 (en) * | 2006-06-22 | 2007-07-30 | 주식회사 퍼시스 | Adjusting apparatus of chair arm rest |
| JP2010264315A (en) * | 2010-08-31 | 2010-11-25 | Okamura Corp | Armrest apparatus for chair |
| USD888479S1 (en) | 2018-06-04 | 2020-06-30 | Steelcase Inc. | Chair arm |
| USD891842S1 (en) | 2018-06-04 | 2020-08-04 | Steelcase Inc. | Chair arm |
| US11083301B2 (en) | 2018-06-01 | 2021-08-10 | Steelcase Inc. | Seating arrangement |
-
1998
- 1998-06-24 JP JP10177609A patent/JP2000004982A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743935B1 (en) * | 2006-06-22 | 2007-07-30 | 주식회사 퍼시스 | Adjusting apparatus of chair arm rest |
| JP2010264315A (en) * | 2010-08-31 | 2010-11-25 | Okamura Corp | Armrest apparatus for chair |
| US11083301B2 (en) | 2018-06-01 | 2021-08-10 | Steelcase Inc. | Seating arrangement |
| US11800935B2 (en) | 2018-06-01 | 2023-10-31 | Steelcase Inc. | Seating arrangement |
| USD888479S1 (en) | 2018-06-04 | 2020-06-30 | Steelcase Inc. | Chair arm |
| USD891842S1 (en) | 2018-06-04 | 2020-08-04 | Steelcase Inc. | Chair arm |
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