JPH1033294A - Flexible stackable chair - Google Patents

Flexible stackable chair

Info

Publication number
JPH1033294A
JPH1033294A JP9103917A JP10391797A JPH1033294A JP H1033294 A JPH1033294 A JP H1033294A JP 9103917 A JP9103917 A JP 9103917A JP 10391797 A JP10391797 A JP 10391797A JP H1033294 A JPH1033294 A JP H1033294A
Authority
JP
Japan
Prior art keywords
backrest
seat
chair
user
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.)
Granted
Application number
JP9103917A
Other languages
Japanese (ja)
Other versions
JP3065274B2 (en
Inventor
Charles O Perry
チャールズ・オー・ペリー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of JPH1033294A publication Critical patent/JPH1033294A/en
Application granted granted Critical
Publication of JP3065274B2 publication Critical patent/JP3065274B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/021—Rocking chairs having elastic frames
    • A47C3/023—Rocking chairs having elastic frames made of tubular material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/04—Stackable chairs; Nesting chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Stackable Containers (AREA)

Abstract

PROBLEM TO BE SOLVED: To recline a backrest part and to facilitate stacking storage in nonuse. SOLUTION: A seat part 20 is attached to the frame 10 of a single body and the backrest part 30 is pivotally movably attached. The backrest part 30 is in a curve shape and is tiltable backwards, however, it is limited by the frame 10 provided with an inclination angle downwards passed through the backrest part 30 and a stopping action to the rotation of the backrest part is supplied.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【技術分野】本発明は、椅子、特に、使用時に背当て部
をリクライニングさせることができ、また、使用しない
ときに高密度に積重ねて収納することが可能な椅子に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair and, more particularly, to a chair which can be reclined when used and which can be stored in high density when not in use.

【０００２】[0002]

【背景技術】 安価な積重ね型の椅子は、当業者に公知
である。しかし、そのような椅子の設計は、座り心地、
つまり人間工学を考慮することなく、むしろ通常は最小
の占有空間をもって格納されることのできる、臨機使用
のための大量の簡易椅子を与えることを目的とする。そ
のような椅子は、椅子の背当て部分の撓み自在性が或る
程度制限されて、人間工学的利点を与えないことがあ
る。 近年、より優れた人間工学的設計が大いに注目さ
れ、その結果、リクライニング能力が含まれて、腰部の
支持を与える、様々な設計を具現する家庭用および事務
所用の椅子が出現した。しかし、そのような人間工学的
設計は、安価な椅子を与えない。よって、人間工学的設
計の利点を安価な積重ね型椅子に組合わせることが望ま
しいであろう。BACKGROUND OF THE INVENTION Inexpensive stacked chairs are known to those skilled in the art. However, the design of such a chair is comfortable,
In other words, the object is to provide a large number of simple chairs for emergency use, which can be stored without ergonomics, but rather with a minimum occupied space. Such chairs may provide some ergonomic benefits due to some limited flexibility of the back portion of the chair. In recent years, much attention has been paid to better ergonomic designs, resulting in the appearance of home and office chairs embodying various designs that include reclining ability and provide lumbar support. However, such an ergonomic design does not provide a cheap chair. Thus, it would be desirable to combine the advantages of an ergonomic design with an inexpensive stacked chair.

【０００３】[0003]

【発明の開示】 座部が取付けられ、背当て部が枢動自
在に取付けられる単一の連続フレームが設けられる、傾
け自在型背当て部を持つ高密度に積重ね可能な椅子が与
えられる。背当て部の傾きとフレームの撓みとで椅子の
人間工学的調整が得られ、フレームの撓みが背当て部を
通常の垂直位置に付勢して、積重ねを容易にし、また一
様な外観を与える。背当て部は曲線状で、中空であり、
フレームの上方および下方曲線部（シャフト）において
フレームに係合する。フレームの該両部分の曲率半径は
背当て部のそれよりも小さく、また該両部分は、垂直位
置における該部分の有効水平方向半径が実際の半径より
も小さくて、背当て部が曲線部に当たって止まり、椅子
背当て部の前方への傾きを制限するような下向き角度位
置にある。背当て部が傾く時、放射状運動により、半径
の違いのために曲線部から背当て部が離れ、結局、有効
半径が再び等しくなり、背当て部が再びフレームの曲線
部に当たって止まって、後方への傾きを制限する傾き角
度になる。SUMMARY OF THE INVENTION A high density stackable chair with a tiltable backrest is provided wherein a single continuous frame is provided with a seat mounted and a backrest pivotally mounted. The tilt of the backrest and the flexing of the frame provide ergonomic adjustment of the chair, and the flexing of the frame urges the backrest to its normal vertical position, facilitating stacking and providing a uniform appearance. give. The backrest is curved, hollow,
The upper and lower curves (shafts) of the frame engage the frame. The radii of curvature of the two portions of the frame are smaller than that of the backrest, and the two portions are such that the effective horizontal radius of the portion in the vertical position is smaller than the actual radius and the backrest hits the curved portion It stops and is in a downward angle position that limits the forward tilt of the chair back. When the backrest tilts, the radial movement causes the backrest to separate from the curved part due to the difference in radius, and eventually the effective radius becomes equal again, and the backrest hits the curved part of the frame again, stops and moves backward. Becomes the inclination angle that restricts the inclination of.

【０００４】本発明の原理を採用する説明的実施形態を
記載する以下の詳細な説明および添付図面を参照するこ
とにより、本発明の特徴および利点がより良く理解され
るであろう。[0004] The features and advantages of the present invention will be better understood with reference to the following detailed description and the accompanying drawings, which illustrate illustrative embodiments that employ the principles of the present invention.

【０００５】[0005]

【発明の実施の形態】図１を参照すると、本発明による
第一の実施形態が図示される。フレーム１０、座部２０
および背当て部３０の３つの主要部がある。背当て部は
使用者の背中に合うように曲線形であり、前方部分３２
と後方部分３４からなり、その各々は、取付けられた
時、両部分の間に中空の内部空間を作るように、へり３
３、３５その他のスペーサを有する。FIG. 1 shows a first embodiment according to the present invention. Frame 10, seat 20
And the backrest 30. The backrest is curved to fit the back of the user and includes a front portion 32.
And rear portions 34, each of which has a lip 3 so that when mounted, a hollow interior space is created between the two portions.
3, 35 and other spacers.

【０００６】フレーム１０は理想的には連続構造であ
り、無空の棒または鋼管等から構成される。代わりに、
溶接その他で連結された部分から成ることもできる。フ
レーム１０は、両端に円筒形軸受け部１２ａを持つ背当
て部３０の中に包まれて、背当て部の中央を通って横方
向に延伸して下方に傾く上方曲線部（シャフト）１２を
有する。背当て部３０は円筒形軸受け部１２ａにおいて
フレーム１０に枢動自在に取り付けられており、一方、
フレーム１０は上方曲線部１２の両端が存する内部空間
から外側に延伸している。この枢動取付けは前方部分３
２に取付けられた軸受によって行うことができるが、プ
ラスチック成型された前方および後方部分３２、３４上
に形成された支承表面１２ｂを設けることにより行うこ
とが望ましい。[0006] The frame 10 is ideally a continuous structure, and is composed of a blank rod or a steel pipe. instead of,
It can also consist of parts connected by welding or otherwise. The frame 10 has an upper curved portion (shaft) 12 which is wrapped in a backrest portion 30 having cylindrical bearing portions 12a at both ends, extends laterally through the center of the backrest portion, and inclines downward. . The backrest 30 is pivotally attached to the frame 10 at the cylindrical bearing portion 12a,
The frame 10 extends outward from the internal space where both ends of the upper curved portion 12 exist. This pivot mounting is in front part 3
2, but preferably by providing a bearing surface 12b formed on the plastic molded front and rear portions 32,34.

【０００７】フレーム１０は１対の後方支持脚（後脚
部）１６を有する。後方支持脚１６は、床面に達するま
で後方及び下方に延伸し、かつ、そこから床面に沿って
前方へ延伸している。つぎに、１対の前方支持脚（前脚
部）１８が、上方かつ後方に座部２０まで延在し、さら
に後方に延在して座部２０を支持し、さらに僅かに内方
に曲がってから上方に、背当て部３０の中に入り、つぎ
に内方に延在し、そこで枢動結合部１２ａ、１２ｂに似
た態様で背当て部が再び枢動自在に取付けられる。フレ
ーム１０は、背当て部の内部に包まれ、下方への傾き角
をもって背当て部の中に延在する下方曲線部１４に接続
する。フレーム１０が床上に静止する時のフレームの対
向する脚の間の距離ｄ１は座部２０の幅ｄ２よりも小さ
く設計されており、従って椅子を積重ねるときに椅子の
脚が座部を挟みつけるので積重ねが容易になる。The frame 10 has a pair of rear support legs (rear legs) 16. The rear support legs 16 extend rearward and downward until they reach the floor, and from there forward extend along the floor. Next, a pair of front support legs (front legs) 18 extend upward and rearward to the seat portion 20, further extend rearward to support the seat portion 20, and bend slightly further inward. From above into the backrest 30 and then extend inwardly, where the backrest is pivotally mounted again in a manner similar to the pivot joints 12a, 12b. The frame 10 is wrapped within the backrest and connects to a lower curve 14 that extends into the backrest with a downward tilt angle. The distance d1 between the opposing legs of the frame when the frame 10 rests on the floor is designed to be smaller than the width d2 of the seat 20, so that when the chairs are stacked, the legs of the chair clamp the seat. This facilitates stacking.

【０００８】図２の望ましい実施形態において、フレー
ム１０の座部支持部は座部２０のへりよりも内方の位置
にあり、座部の支持とフレームの横安定を高めるために
溶接支柱２２によって結合される。図７において、その
ような横安定は１対の安定材５１、５２によって与える
ことができる。さらに、フレーム１０への座部の取付
け、取外しを容易にするために、座部２０の下面にクリ
ップ２４が取付けられる。In the preferred embodiment of FIG. 2, the seat support of the frame 10 is located inwardly of the lip of the seat 20 and is provided by welding posts 22 to increase the support of the seat and the lateral stability of the frame. Be combined. In FIG. 7, such lateral stability can be provided by a pair of stabilizers 51,52. Further, a clip 24 is attached to the lower surface of the seat 20 to facilitate attachment and detachment of the seat to the frame 10.

【０００９】背当て部３０は単体の成型ユニットであ
り、円筒部１２ａにおいて後方支持脚１６に枢動係合す
るようにされた開口部またはクリップ４０を有する。開
口部またはクリップ４２も同様に、前方支持脚１８に枢
動係合するようにされる。よって、背当て部３０は容易
に、またしっかりとフレーム１０に取付けることができ
る。曲線部１２、１４は、後述するように、枢動の限界
を与えるように、フレーム１０に対して固定位置に保た
れる。The backrest 30 is a single molded unit and has an opening or clip 40 adapted to pivotally engage the rear support leg 16 in the cylindrical portion 12a. The opening or clip 42 is likewise adapted to pivotally engage the front support leg 18. Therefore, the backrest 30 can be easily and firmly attached to the frame 10. The curves 12, 14 are kept in a fixed position with respect to the frame 10 so as to limit the pivoting, as will be described below.

【００１０】ここで図３ないし図５を参照すると、背当
て部３０の傾け作用が図解される。図３のように、椅子
が垂直位置にある時、フレーム１０の後方支持脚１６
は、背当て部３０を前方に保持する自然のバネ作用を与
えるように、前傾角を有する。Referring now to FIGS. 3-5, the tilting action of the backrest 30 is illustrated. When the chair is in the vertical position, as shown in FIG.
Has a forward tilt angle to provide a natural spring action to hold the backrest 30 forward.

【００１１】フレーム１０の曲線部１２、１４は平行で
あり、これらの曲線は共に、背当て部を横断する面（背
当て部の上下方向に直交する面であり、図３における水
平面）と２２．５°の角度をなし、外方（図３において
右側）かつ下方（床側）に延伸する。前記背当て部横断
面から２２．５°傾いた面における両曲線部１２、１４
の曲率半径は、背当て部横断面における背当て部の曲率
半径よりも小さい。しかし、背当て部横断面へ投影した
曲線部１２、１４の曲率半径（有効半径）は、背当て部
３０の曲率半径に等しい。それ故、曲線部１２、１４の
有効半径が背当て部３０の半径に等しい結果として、背
当て部３０の前方部分３２の外側は箇所３６、３７にお
いて曲線部１２、１４に接触している（図３参照）。The curved portions 12 and 14 of the frame 10 are parallel to each other, and both of these curves are planes crossing the backrest (a plane perpendicular to the vertical direction of the backrest and a horizontal plane in FIG. 3) and 22. At an angle of 0.5 °, stretch outward (to the right in FIG. 3) and downward (to the floor). Both curved portions 12, 14 on a plane inclined by 22.5 ° from the cross section of the backrest portion.
Is smaller than the radius of curvature of the backrest in the backrest cross-section. However, the radii of curvature (effective radii) of the curved portions 12 and 14 projected onto the backrest cross section are equal to the radii of curvature of the backrest 30. Therefore, as a result of the effective radius of the curved portions 12, 14 being equal to the radius of the backrest 30, the outside of the front portion 32 of the backrest 30 contacts the curved portions 12, 14 at points 36, 37 ( (See FIG. 3).

【００１２】使用者が椅子にもたれ掛ることにより前方
部分３２が上方曲線部上の軸５０回りに枢動すると、前
方部分の上半分は後方に回転し、下半分は前方に回転す
る。これにより下方曲線部１４が前方へ回転して座部２
０が持ち上がることにも注目されたい。背当て部横断面
は、水平面に対しておおよそ２２．５°傾き、曲線部１
２、１４の傾きと一致している（この状態が図４に示さ
れている）。上述したように両曲線部の曲率半径は背当
て部３０の曲率半径よりも小さいので、図４に示す状態
において、背当て部３０は曲線部の手前の方へ浮き上が
っている。As the user leans on the chair to pivot the front portion 32 about the axis 50 on the upper curve, the upper half of the front portion rotates rearward and the lower half rotates forward. As a result, the lower curved portion 14 rotates forward and the seat 2
Note also that 0 rises. The cross section of the backrest portion is approximately 22.5 ° inclined with respect to the horizontal plane, and the curved portion 1
This corresponds to the inclination of 2, 14 (this state is shown in FIG. 4). As described above, the radius of curvature of both curved portions is smaller than the radius of curvature of the backrest portion 30, and therefore, in the state shown in FIG. 4, the backrest portion 30 is raised toward the front of the curved portion.

【００１３】図５に示すように、背当て部が更に傾く
と、背当て部は、背当て部上の点であって下方に回転し
てくる点３８、３９において曲線部に再度当接する。背
当て部は水平に対しておおよそ４５°傾いており（即
ち、前記背当て部横断面は曲線部に対しておよそ２２．
５°傾いている）、ここでの背当て部の有効半径は曲線
部の半径に再び等しくなる。点３８、３９が湾曲部（シ
ャフト）１２、１４と接触するように背当て部が傾斜し
た位置がリクライニングの位置の限度であり、背当て部
は、このリクライニング限度位置において湾曲部１２に
当接して、これ以上の回転傾斜が制限されている。As shown in FIG. 5, when the backrest is further inclined, the backrest again comes into contact with the curved portion at points 38 and 39 on the backrest that are rotating downward. The backrest is inclined approximately 45 ° to the horizontal (ie the backrest cross section is approximately 22.
5 °), where the effective radius of the backrest is again equal to the radius of the curve. The position where the backrest is inclined so that the points 38 and 39 come into contact with the curved portions (shafts) 12 and 14 is the limit of the reclining position, and the backrest contacts the curved portion 12 at the reclining limit position. Therefore, further rotation inclination is limited.

【００１４】曲線部１２、１４のフレーム構造全体に対
する関係は図６において更に明白に示されており、フレ
ームの１部分の直線状の円筒部１２ａが支承領域となっ
ている。 本発明が前記実施形態の特性によって制限さ
れることは意図されず、添付の請求の範囲によって定義
されることは当然である。The relationship of the curves 12, 14 to the overall frame structure is more clearly shown in FIG. 6, in which the straight cylindrical part 12a of a part of the frame is the bearing area. It is to be understood that the invention is not intended to be limited by the features of the above embodiments, but is to be defined by the appended claims.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 本発明によって作られた椅子である。FIG. 1 is a chair made according to the present invention.

【図２】 本発明によって作られた椅子の望ましい実施
形態である。FIG. 2 is a preferred embodiment of a chair made according to the present invention.

【図３】 図１の３−３線に沿う、後方への傾きの範囲
にわたって延在する椅子を示す断面図である。FIG. 3 is a cross-sectional view showing the chair extending along a range of backward inclination, along the line 3-3 in FIG. 1;

【図４】 図１の３−３線に沿う、後方への傾きの範囲
にわたって延在する椅子を示す断面図である。FIG. 4 is a cross-sectional view showing the chair extending over a range of backward inclination, along the line 3-3 in FIG. 1;

【図５】 図１の３−３線に沿う、後方への傾きの範囲
にわたって延在する椅子を示す断面図である。FIG. 5 is a cross-sectional view showing the chair extending over a range of backward tilt, taken along line 3-3 of FIG. 1;

【図６】 図４の６−６線に沿う、本発明による椅子の
平面断面図である。FIG. 6 is a plan sectional view of the chair according to the present invention, taken along line 6-6 in FIG. 4;

【図７】 本発明による椅子の斜視図である。FIG. 7 is a perspective view of a chair according to the present invention.

【符号の説明】[Explanation of symbols]

１０ フレーム １２ 上方曲線部（シャフト） １２ａ 軸受け部 １４ 下方曲線部（シャフト） １６ 後方支持脚（後脚部） １８ 前方支持脚（前脚部） ２０ 座部 ３０ 背当て部 ３２ 前方部分 ３４ 後方部分 ４０ 開口部又はクリップ ４２ 開口部又はクリップ DESCRIPTION OF SYMBOLS 10 Frame 12 Upper curved part (shaft) 12a Bearing part 14 Lower curved part (shaft) 16 Rear support leg (rear leg) 18 Front support leg (front leg) 20 Seat 30 Backrest part 32 Front part 34 Rear part 40 Opening or clip 42 Opening or clip

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 使用者が座るためのほぼ水平な支持面を
備える座部と、前記支持面に対してほぼ垂直に設けられ
た背当て部であって、上端部、下端部、前記上端部と下
端部との間に位置する上部領域及び下部領域を備え使用
者の背中に当接する背当て部とを有する椅子において、
前記座部及び背当て部を支持する手段を設け、前記支持
手段に、 前記座部の両側に設けた一対の支持脚であって、該各支
持脚が前記上端部の下に位置する前記背当て部上部領域
に対して相対的に枢動自在に連結された可撓性かつ復元
性を有する後脚部と、床面に沿って延伸する底脚部と、
前記座部を支持するため前記座部の前部に向かって上方
へ延伸する前脚部とを有する支持脚と、前記座部支持面
の実質的な位置よりも高い位置で前記座部の後部を前記
背当て部下部領域に相対的に枢動自在に連結する手段と
を設けて、 前記後脚部の可撓性かつ復元性と、前記背当て部上部領
域に対して相対的に枢動自在に連結された後脚部と、前
記座部後部を前記背当て部下部領域に相対的に枢動自在
に連結する手段とにより、使用者が前記座部支持面に座
って前記背当て部にもたれかかったときに前記背当て部
が前記後脚部の復元力に抗してリクライニング位置へ回
転傾斜すると共にレバーとして作用して前記背当て部下
端部を前方へ押し出して使用者の腰を支持するように設
けた、可撓性椅子。1. A seat having a substantially horizontal support surface on which a user sits, and a backrest provided substantially perpendicular to the support surface, the upper back, the lower end, and the upper end. A chair having an upper region and a lower region located between the lower end and a backrest that abuts on the user's back,
Means for supporting the seat and the backrest, wherein the supporting means comprises a pair of support legs provided on both sides of the seat, wherein each of the support legs is located below the upper end. A flexible and resilient rear leg connected pivotally relative to the abutment upper region, and a bottom leg extending along the floor surface;
A support leg having a front leg extending upwardly toward the front of the seat to support the seat; and a rear portion of the seat at a position higher than a substantial position of the seat support surface. Means for pivotally connecting to the lower region of the backrest portion, wherein the rear leg portion is flexible and restorable, and is pivotally movable relative to the upper region of the backrest portion. The user is seated on the seat support surface by the rear leg and the means for pivotally connecting the rear of the seat to the lower region of the backrest. When leaning, the backrest rotates and tilts to the reclining position against the restoring force of the rear leg, and acts as a lever to push the lower end of the backrest forward to support the user's waist. A flexible chair provided to perform. 【請求項２】 垂直位置とリクライニング位置との間で
前記椅子背当て部が前記座部に対して相対的に回転する
請求項１の椅子であって、前記背当て部上部領域及び下
部領域における２つの枢動自在連結のうちの少なくとも
１つは、 （ａ）背当て部の両側に取り付けられた一対の同軸枢動
部と、該一対の枢動部の共通軸から離間した中間部とを
有するシャフトであって、前記中間部が前記背当て部回
りに移動して前記背当て部とシャフトが相対的に枢動す
るように設けたシャフトと、 （ｂ）前記枢動部共通軸から離間し、前記垂直及びリク
ライニング位置の両方において背当て部の回転制限を与
えるために前記中間部に係合する背当て部ストッパ面と
を有し、 前記シャフトと、前記背当て部を前記垂直位置へ復元す
る前記後脚部とによって前記支持脚を無負荷位置に位置
させることにより前記背当て部を前記垂直位置に位置さ
せ、使用者が前記椅子背当て部に負荷を与えると前記リ
クライニング位置を越えることなく前記背当て部を前記
座部に対して回転させるように設けた椅子。2. The chair of claim 1, wherein the backrest rotates relative to the seat between a vertical position and a reclined position. At least one of the two pivotable connections comprises: (a) a pair of coaxial pivots mounted on opposite sides of the backrest and an intermediate portion spaced from a common axis of the pair of pivots. A shaft provided so that the intermediate portion moves around the backrest and the backrest and the shaft pivot relative to each other; and (b) separated from the pivot common shaft. A backrest stopper surface that engages with the intermediate portion to provide rotation of the backrest in both the vertical and reclined positions; and the shaft and the backrest move to the vertical position. Restore the hind legs and front by The backrest is positioned in the vertical position by locating the support leg in the no-load position, and when the user applies a load to the chair backrest, the backrest can be moved without exceeding the reclining position. A chair provided to rotate with respect to the seat. 【請求項３】 使用者の背中を支えるのに適した椅子で
あって、使用者が前記椅子にもたれ掛かったときに撓む
可撓性フレームと、前記シートバックに係合する支持手
段とを含んでなり、さらに、 （ａ）使用者が座るための座部と、 （ｂ）使用者の背中がもたれ掛かる湾曲背当て部であっ
て、椅子の変形に応答して垂直位置とリクライニング位
置とになるように前記座部に対して２方向に枢動する背
当て部と、 （ｃ）前記フレームに連結されたシャフトであって、前
記背当て部の両側に取り付けられた一対の同軸枢動部
と、該一対の枢動部の共通軸から離間した中間部とを有
し、前記中間部が前記背当て部回りに移動して前記背当
て部とシャフトが相対的に枢動するように設けたシャフ
トと、 （ｄ）前記枢動部共通軸から離間し、前記垂直及びリク
ライニング位置の両方において背当て部の回転制限を与
えるために前記中間部に係合する背当て部ストッパ面と
を、含んでなり、 前記シャフトと、前記背当て部を前記垂直位置へ復元す
る前記可撓性フレームとによって前記フレームを無負荷
位置に位置させることにより前記背当て部を前記垂直位
置に位置させ、使用者が前記椅子背当て部に負荷を与え
ると前記リクライニング位置を越えることなく前記背当
て部を前記座部に対して回転させるように設けた椅子。3. A chair suitable for supporting a user's back, comprising: a flexible frame that flexes when the user leans against the chair; and support means for engaging the seat back. Further comprising: (a) a seat for the user to sit on; and (b) a curved backrest against which the user's back leans, wherein the vertical position and the reclining position are responsive to deformation of the chair. A backrest that pivots in two directions with respect to the seat such that: (c) a pair of coaxial pivots mounted on opposite sides of the backrest, the shaft being coupled to the frame; Part and an intermediate part separated from a common axis of the pair of pivot parts, such that the intermediate part moves around the back part and the back part and the shaft relatively pivot. (D) spaced apart from the pivot common axis, And a backrest stop surface that engages the intermediate portion to provide a backrest rotation limit in both the back and recline positions; and restoring the shaft and the backrest to the vertical position. By positioning the frame in the no-load position with the flexible frame, the backrest is positioned in the vertical position, and when the user applies a load to the chair backrest, the backrest does not exceed the reclining position. A chair provided to rotate the backrest with respect to the seat.
JP9103917A 1990-04-10 1997-04-07 Flexible stackable chair Expired - Lifetime JP3065274B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50671690A 1990-04-10 1990-04-10
US506,716 1990-04-10

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3507861A Division JPH0815446B2 (en) 1990-04-10 1991-04-03 Flexible stackable chair

Publications (2)

Publication Number Publication Date
JPH1033294A true JPH1033294A (en) 1998-02-10
JP3065274B2 JP3065274B2 (en) 2000-07-17

Family

ID=24015733

Family Applications (2)

Application Number Title Priority Date Filing Date
JP3507861A Expired - Lifetime JPH0815446B2 (en) 1990-04-10 1991-04-03 Flexible stackable chair
JP9103917A Expired - Lifetime JP3065274B2 (en) 1990-04-10 1997-04-07 Flexible stackable chair

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JP3507861A Expired - Lifetime JPH0815446B2 (en) 1990-04-10 1991-04-03 Flexible stackable chair

Country Status (12)

Country Link
US (1) USRE36335E (en)
EP (1) EP0539377B1 (en)
JP (2) JPH0815446B2 (en)
KR (1) KR0182297B1 (en)
AT (1) ATE167369T1 (en)
AU (1) AU651971B2 (en)
CA (1) CA2080248C (en)
DE (1) DE69129628T2 (en)
ES (1) ES2118081T3 (en)
IL (1) IL97762A (en)
NZ (1) NZ237726A (en)
WO (1) WO1991015139A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754469B1 (en) 2006-12-14 2007-09-03 김성수 Chair
JP2008054707A (en) * 2006-08-29 2008-03-13 Itoki Corp Chair
CN111288869A (en) * 2020-02-28 2020-06-16 保隆(安徽)汽车配件有限公司 Novel go-no go gauge device

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6722735B2 (en) 2001-04-16 2004-04-20 Ditto Sales, Inc. Chair with synchronously moving seat and seat back
US6623078B2 (en) 2001-04-30 2003-09-23 First Source Furniture Group Llc Adjustable height chair arm supported on back upright
USD477926S1 (en) 2002-05-29 2003-08-05 Lifetime Products, Inc. Chair
USD466712S1 (en) 2002-07-17 2002-12-10 Lifetime Products, Inc. Chair
USD472723S1 (en) 2002-07-23 2003-04-08 Lifetime Products, Inc. Chair frame
USD472745S1 (en) 2002-07-23 2003-04-08 Lifetime Products, Inc. Chair back and seat
US20040075328A1 (en) * 2002-10-16 2004-04-22 Royal Seating Corporation Versatile chair system
US6974188B2 (en) * 2003-08-13 2005-12-13 Cosco Management, Inc. Chair with pivotable chair back
US20050194823A1 (en) * 2004-01-29 2005-09-08 Perry Marco C. Flexible chair with post base
US7384100B2 (en) * 2004-05-06 2008-06-10 Marco C. Perry Flexible reclining chair
US7114782B2 (en) * 2004-05-26 2006-10-03 Center For Design Research And Development N.V. Flexible chair with stiffener inserts and method for forming a chair
JP4792233B2 (en) * 2005-03-02 2011-10-12 株式会社イトーキ Chair
JP4792234B2 (en) * 2005-03-02 2011-10-12 株式会社イトーキ Chair
US7806473B1 (en) 2005-11-21 2010-10-05 Faiks Frederick S Stackable chair and framework therefor
ES2255466A1 (en) * 2006-02-17 2006-06-16 Sellex. S.A Seat furniture has articulation elements supporting armor support of acierated sweep or profile relative to seat and armrest through individual horizontal axes parallel to intersection of seat and armrest planes
US7922248B2 (en) 2007-01-29 2011-04-12 Herman Miller, Inc. Seating structure and methods for the use thereof
CN101801241B (en) * 2007-03-13 2013-06-05 Hni技术公司 Dynamic chair back lumbar support system
US20090096266A1 (en) * 2007-10-11 2009-04-16 Chun-Chang Tai Seat frame assembly
USD668072S1 (en) 2009-03-09 2012-10-02 Aichi Co., Ltd. Chair
WO2010114527A1 (en) * 2009-03-31 2010-10-07 Humanscale Corporation Reclining chair
USD669278S1 (en) 2009-05-08 2012-10-23 Aichi Co., Ltd. Chair
USRE42027E1 (en) 2009-05-08 2011-01-18 Aichi Co., Ltd Chair
CN107023096A (en) 2010-05-05 2017-08-08 奥斯蒂尔公司 Removable and disassembled board wall system for docking glaze facing-wall board
JP6265887B2 (en) * 2011-05-20 2018-01-24 ゾディアック シーツ フランス Kinematic seat with elastic pivot
US9504326B1 (en) 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
CN105101845B (en) 2013-03-15 2018-11-09 Hni技术公司 The chair of backrest bending with triggering
USD731805S1 (en) * 2013-11-20 2015-06-16 B&B Italia S.P.A. Chair
US10064493B2 (en) 2014-04-17 2018-09-04 Hni Technologies Inc. Flex lumbar support
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
US9801470B2 (en) 2014-10-15 2017-10-31 Hni Technologies Inc. Molded chair with integrated support and method of making same
USD743180S1 (en) 2014-10-15 2015-11-17 Hni Technologies Inc. Chair
DE102016102557A1 (en) 2016-02-15 2017-08-17 Interstuhl Büromöbel GmbH & Co. KG Seating furniture with a backrest stop
DE102016102556A1 (en) * 2016-02-15 2017-08-17 Interstuhl Büromöbel GmbH & Co. KG Backrest for an office chair
US11266244B2 (en) * 2018-02-16 2022-03-08 Barrett Studios, Inc. Chair assembly
JP7083157B2 (en) * 2018-05-30 2022-06-10 愛知株式会社 Backrest and chair
US11253078B2 (en) * 2018-08-02 2022-02-22 Whiteside Mfg. Co Mobile chair
US20220378208A1 (en) * 2019-06-17 2022-12-01 Quali Co., Ltd. Tilt chair
JP7382178B2 (en) 2019-08-30 2023-11-16 株式会社イトーキ Chair
US20210146634A1 (en) * 2019-11-14 2021-05-20 Aussco Hong Kong Limited Three-dimensional loop structure by additive printing
IT202100006467A1 (en) * 2021-03-18 2022-09-18 Pro Cord Spa CHAIR WITH OSCILLATING SEAT AND BACK

Family Cites Families (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US142145A (en) * 1873-08-26 Improvement in spring rocking-chairs
DE88021C (en) *
US346454A (en) * 1886-08-03 Willis baldwin
CA632397A (en) * 1961-12-12 Mackintosh Charles Nesting chairs
US790242A (en) * 1905-02-10 1905-05-16 Maurice W Yeager Swing.
US1191438A (en) * 1914-11-30 1916-07-18 Hale & Kilburn Co Car-seat construction.
US1791453A (en) * 1927-08-23 1931-02-03 Mies Ludwig Chair
DE552781C (en) * 1929-02-01 1932-06-16 Bruno Pollak Stackable chairs, tables or the like by sliding them horizontally into one another.
US1964519A (en) * 1933-07-21 1934-06-26 Sterling M Knudsen Adjustable seat construction
US2266897A (en) * 1938-06-20 1941-12-23 American Seating Co Chair
US2419838A (en) * 1941-12-15 1947-04-29 A M Albert Nesting chair
US2345926A (en) * 1942-06-03 1944-04-04 Posture Res Corp Back rest for chairs
US2532025A (en) * 1945-02-03 1950-11-28 Dorothy K S Johnson Resiliently mounted reclining chair
NL62657C (en) * 1945-04-13 1949-03-15
US2586951A (en) * 1945-08-23 1952-02-26 Dorothy K S Johnson Spring supported chair
US2512353A (en) * 1946-04-16 1950-06-20 Newburgh Metal Mfg Corp Reclining chair
US2617471A (en) * 1946-04-19 1952-11-11 Lorenz Anton Reclining article of furniture
US2637371A (en) * 1950-07-13 1953-05-05 Harold S Boutin Chair having resilient frame
FR60468E (en) * 1950-07-27 1954-11-03 Seat or chaise longue made of metal tubes, changeable and removable with elastically oscillating support frame
US2803291A (en) * 1954-04-22 1957-08-20 Alvin F Meyer Television chair
US2961035A (en) * 1954-05-26 1960-11-22 Lorenz Anton Article of repose for supporting the body of a person
GB754209A (en) * 1954-11-12 1956-08-01 Lea Bridge Ind Ltd Improvements in chairs
US2857958A (en) * 1955-03-30 1958-10-28 Shwayder Brothers Pivoted backrest
US2874755A (en) * 1955-05-02 1959-02-24 Marion J Smith Nesting chairs
US2838095A (en) * 1955-12-07 1958-06-10 Charles U Deaton Posture chairs
US2952300A (en) * 1957-07-15 1960-09-13 Morton R Cohen Chair construction
FR77026E (en) * 1957-10-09 1962-01-08 Seat or other items such as sofa, etc.
FR1196751A (en) * 1958-06-04 1959-11-26 Reclining seat
US3115368A (en) * 1962-04-26 1963-12-24 Emil J Paidar Company Chair structure and support
US3246927A (en) * 1963-12-02 1966-04-19 Edward J Klassen Stack chair
US3266843A (en) * 1965-06-14 1966-08-16 Maurice Davis Demountable chair
US3316016A (en) * 1966-05-18 1967-04-25 Schlumberger Ltd Stack chair
US3334942A (en) * 1966-05-20 1967-08-08 Jeffrey D Breslow Children's furniture or the like
US3446532A (en) * 1967-03-13 1969-05-27 Harold W Cramer Chair
US3482874A (en) * 1968-03-13 1969-12-09 North American Aluminum Corp Stadium bench
BE760088A (en) * 1969-12-17 1971-05-17 Giroflex Entwicklungs Ag Rocking chair
US3741607A (en) * 1970-10-05 1973-06-26 H Cramer Chair
US3822079A (en) * 1972-07-28 1974-07-02 H Probber Furniture having components which can be assembled in different ways
BR7207537D0 (en) * 1972-10-27 1973-01-16 G Facury A SET OF CONVERTIBLE AND STACKABLE FURNITURE FOR LIVING ROOM
US3815955A (en) * 1972-12-29 1974-06-11 Vecta Group Chair construction
US3847433A (en) * 1973-07-12 1974-11-12 American Seating Co Stacking chair
US3999802A (en) * 1975-03-17 1976-12-28 George Pyrke Powers Chair
US4131315A (en) * 1977-04-16 1978-12-26 Firma Drabert Sohne Chair with deformable armrest
JPS5932341Y2 (en) * 1977-08-25 1984-09-11 サンウエーブ工業株式会社 “Chu” Tufted Furniture Height Adjustment Mechanism
JPS567689A (en) * 1979-06-29 1981-01-26 Toshiba Corp Controller for flow rate of sludge drawn out of final sedimentation basin
US4529246A (en) * 1980-01-07 1985-07-16 Leib Roger K Patient chair
DE3100770A1 (en) * 1981-01-13 1982-08-12 Porsche, Ferdinand Alexander, 5662 Gries, Pinzgau Resting furniture, in particular armchair
DE3139448C2 (en) * 1981-10-03 1984-06-07 Kusch & Co Sitzmöbelwerke KG, 5789 Hallenberg chair
US4548441A (en) * 1982-01-22 1985-10-22 Ogg Richard K Stacking chair
US4522444A (en) * 1982-09-15 1985-06-11 Charles Pollock Stacking chair
US4570994A (en) * 1982-12-17 1986-02-18 Charles Lowrey Foldable chair
CH662257A5 (en) * 1983-07-20 1987-09-30 Syntech Sa WORK CHAIR.
US4545615A (en) * 1983-09-06 1985-10-08 Metropolitan Furniture Corp. Furniture construction with replaceable elastomeric covering
DE8401000U1 (en) * 1984-01-14 1984-04-05 Mauser Waldeck AG, 3544 Waldeck SWIVEL CHAIR
NZ208410A (en) * 1984-06-06 1989-02-24 Atlas Furniture Ltd Chair with dual independently adjustable pivotal backrest parts
CA1249503A (en) * 1984-06-08 1989-01-31 Paolo Favaretto Chair
JPS615165A (en) * 1984-06-16 1986-01-10 株式会社アイジー技術研究所 Siding board
DE3429186A1 (en) * 1984-08-08 1986-02-20 Uredat-Neuhoff, Angela, 4592 Lindern SEAT, IN PARTICULAR OFFICE CHAIR
IL73031A (en) * 1984-09-19 1986-11-30 Yaacov Kaufman Improved self adjusting chair
CH666169A5 (en) * 1985-09-02 1988-07-15 Andre Dupraz REINFORCEMENT ELEMENT FOR FURNITURE STRUCTURE.
US4744600A (en) * 1986-05-06 1988-05-17 Itoki Co., Ltd. Cushioning mechanism for use with seat of chair and interlocking cushioning mechanism for seat and backrest
US4648653A (en) * 1986-05-30 1987-03-10 Rowland David L Stackable armchair
US4711491A (en) * 1986-06-09 1987-12-08 Jonathan Ginat Swivel tilt mechanism for chair
IT206947Z2 (en) * 1986-06-12 1987-10-26 Pro Cord Srl CHAIR WITH ARTICULATED BACKREST
DE3635811A1 (en) * 1986-10-22 1988-05-05 Ver Spezialmoebel Verwalt Chair with a chair frame composed of profile sections
CH672882A5 (en) * 1987-06-09 1990-01-15 Syntech Sa
US4840426A (en) * 1987-09-30 1989-06-20 Davis Furniture Industries, Inc. Office chair
US4819986A (en) * 1988-02-10 1989-04-11 Markus Isidoro N Reclining chair with suspended seating
US5338094A (en) * 1988-04-25 1994-08-16 Perry Charles O Flexible reclining chair
JPH04500613A (en) * 1988-04-25 1992-02-06 ペリー、チャールズ・オー leaning chair
US5383712A (en) * 1988-04-25 1995-01-24 Perry; Charles O. Flexible chair
US5180208A (en) * 1991-02-05 1993-01-19 Victor Lawandi Quick-disconnect knockdown furniture having a flexible support with a plurality of frame member storage pockets
US5131715A (en) * 1991-03-27 1992-07-21 Balles Rosemary K Mobile chair apparatus
US5308142A (en) * 1992-01-23 1994-05-03 Steelcase, Inc. Chair with arm mounted motion control
US5626394A (en) * 1995-06-07 1997-05-06 Perry; Charles O. Tubular chair frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054707A (en) * 2006-08-29 2008-03-13 Itoki Corp Chair
KR100754469B1 (en) 2006-12-14 2007-09-03 김성수 Chair
CN111288869A (en) * 2020-02-28 2020-06-16 保隆(安徽)汽车配件有限公司 Novel go-no go gauge device
CN111288869B (en) * 2020-02-28 2021-09-24 保隆(安徽)汽车配件有限公司 Novel go-no go gauge device

Also Published As

Publication number Publication date
DE69129628T2 (en) 1998-10-15
IL97762A (en) 1994-08-26
ATE167369T1 (en) 1998-07-15
WO1991015139A1 (en) 1991-10-17
NZ237726A (en) 1994-08-26
KR0182297B1 (en) 1999-05-01
JP3065274B2 (en) 2000-07-17
DE69129628D1 (en) 1998-07-23
JPH0815446B2 (en) 1996-02-21
CA2080248C (en) 1996-10-29
EP0539377A4 (en) 1993-06-16
AU7691691A (en) 1991-10-30
IL97762A0 (en) 1992-06-21
CA2080248A1 (en) 1991-10-11
USRE36335E (en) 1999-10-12
JPH05507632A (en) 1993-11-04
ES2118081T3 (en) 1998-09-16
EP0539377A1 (en) 1993-05-05
EP0539377B1 (en) 1998-06-17
AU651971B2 (en) 1994-08-11

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