JPS6328917Y2 - - Google Patents
Info
- Publication number
- JPS6328917Y2 JPS6328917Y2 JP14036382U JP14036382U JPS6328917Y2 JP S6328917 Y2 JPS6328917 Y2 JP S6328917Y2 JP 14036382 U JP14036382 U JP 14036382U JP 14036382 U JP14036382 U JP 14036382U JP S6328917 Y2 JPS6328917 Y2 JP S6328917Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- seat
- side plates
- base
- fixed
- 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.)
- Expired
Links
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、座席の傾斜角度を自由に調節しうる
ようにした椅子の座角度調節装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a seat angle adjustment device for a chair that allows the inclination angle of the seat to be freely adjusted.
椅子に腰を掛ける入の着座状態に最も適したよ
うに、床面に対する座席の角度を調節する装置と
しては、ねじ杆によつて座席の後部を上下動させ
るものや、座席から垂下した摩擦板を所定の位置
で締着して、所要の傾斜を得るようにしたものが
知られている。
Devices that adjust the angle of the seat relative to the floor to best suit the sitting position when sitting on the chair include devices that move the rear of the seat up and down using screw rods, and devices that use friction plates that hang down from the seat. There is a known method in which the required inclination is obtained by tightening at a predetermined position.
従来のこの種の装置では、一度椅子から降り、
しやがんだ状態で、角度調節を行う必要があり、
かつ座席をもち上げる操作は面倒であるという問
題点があつた。
With conventional devices of this type, once you get off the chair,
It is necessary to adjust the angle while bending down,
Another problem was that the operation of lifting the seat was troublesome.
本考案は、椅子に腰掛けたままで、操作レバー
を回すことによつて、自由に座板の角度を選択で
きるとともに、装置全体を簡易な構造とした椅子
の角度調節装置を提供しようとするものである。 The present invention aims to provide a chair angle adjustment device in which the angle of the seat plate can be freely selected by turning the operating lever while sitting on the chair, and the entire device has a simple structure. be.
上記目的を達成するため、本考案においては、
脚柱の上端に断面上向コ字形の座支基を固着する
とともに、該座支基の前部に、座板の後部下面
を、水平の軸をもつて枢着し、座板の後部下面に
止着した断面下向きコ字形の支持板の両側板の下
部を、座支基の各側板の内側に、上下摺動自在に
嵌合し、かつ前記支持板内に、やや小幅の断面下
向きコ字形の押え板を、その側板が、支持板の側
板より若干離れるようにして配設し、前記支持板
の天板と押え板の天板との間に圧縮コイルばねを
縮設することにより、前記座板の後部を上方に付
勢させ、さらに前記押え板の両側板の間に、操作
レバーによつて回動される偏心カムを配設してな
り、前記操作レバーを回動することにより、前記
偏心カムをもつて両押え板の側板を座支基の側板
方向に近接させて、両者の間に、前記支持板の両
側板の下部を締付けて、座板を所要の角度で締着
しうるようにしてある。
In order to achieve the above purpose, in this invention,
A seat base having an upward U-shaped cross section is fixed to the upper end of the pedestal, and the rear lower surface of the seat plate is pivotally attached to the front part of the seat base with a horizontal axis. The lower portions of both side plates of the support plate with a downward U-shaped cross section fixed to the base are vertically slidably fitted inside each side plate of the seat base, and a downward downward cross section with a slightly narrow width is fitted inside the support plate. By arranging a letter-shaped presser plate so that its side plate is slightly separated from the side plate of the support plate, and compressing a compression coil spring between the top plate of the support plate and the top plate of the presser plate, The rear part of the seat plate is urged upward, and an eccentric cam is disposed between both side plates of the presser plate, and the eccentric cam is rotated by an operating lever. The side plates of both presser plates are brought close to each other in the direction of the side plates of the seat support base using eccentric cams, and the lower portions of both side plates of the support plate are tightened between the two to tighten the seat plate at a desired angle. It's like this.
以下本考案を、図示の一実施例に基づいて詳細
に説明する。
The present invention will be described in detail below based on an illustrated embodiment.
１は椅子で、キヤスター２を有する脚部３と、
脚部３の中央の脚柱４の上端に固着された水平の
断面上向コ字形の座支基５と、座板６ａの前部下
面が座支基５に枢着された座席６と、座支基５の
後端に、背管７を介して取付けられた背もたれ８
とからなつている。 1 is a chair, a leg 3 having casters 2;
A seat base 5 having an upwardly U-shaped horizontal cross section is fixed to the upper end of the pillar 4 at the center of the leg portion 3, and a seat 6 whose front lower surface of the seat plate 6a is pivoted to the seat base 5. A backrest 8 is attached to the rear end of the seat base 5 via a back pipe 7.
It is made up of.
第２図に示すように、座支基５は、水平をなす
矩形状の基板５ａの左右の側縁に、前後方向を向
く側板５ｂ，５ｂを上向連設し、かつこれら各側
板５ｂの上縁に、外方を向く鍔部５ｃを連設した
もので、後方から見て上向きコ字形の溝部９が形
成されており、かつ、基板５ａの下面中央は、前
記脚柱４の上端部に固着されている。 As shown in Figure 2, the seat support base 5 has side plates 5b, 5b facing in the front-to-rear direction connected upward to the left and right edges of a horizontal rectangular base plate 5a, and an outward-facing flange portion 5c connected to the upper edge of each side plate 5b. When viewed from the rear, an upward-facing U-shaped groove portion 9 is formed, and the center of the underside of the base plate 5a is fixed to the upper end of the leg pillar 4.
１０は座取付具で、左右方向をなす断面逆Ｌ字
形の後向きチヤンネル材からなり、その垂下片１
０ａの要所には、後方を向く左右１対の垂直の突
片１０ｂが連設され、これら各突片１０ｂは、軸
１１をもつて、前記座支基５の側板５ｂの前端に
枢着されている。 Reference numeral 10 denotes a seat mount, which is made of a backward channel material with an inverted L-shaped cross section in the left-right direction, and its hanging piece 1
A pair of left and right vertical protrusions 10b facing rearward are provided in series at key points of 0a, and each of these protrusions 10b is pivoted to the front end of the side plate 5b of the seat base 5 with a shaft 11. has been done.
座取付具１０の水平片１０ｃの上面左右端部に
は、それぞれゴムリング１２を介して、前記座席
６の下面の座板６ａの前部下面が取付けられてい
る。 The front lower surface of the seat plate 6a on the lower surface of the seat 6 is attached to the left and right ends of the upper surface of the horizontal piece 10c of the seat fixture 10 via rubber rings 12, respectively.
第３図に示す１３は、下向きコ字形をなす支持
板、１４は、同じく下向きコ字形をなすととも
に、支持板１３より若干小幅の押え板で、両者
は、互いに同心状をなすようにして、上下に所要
の間隙をへだてて配設されている。 Reference numeral 13 shown in FIG. 3 denotes a support plate having a downward U-shape, and 14 a presser plate which also has a downward U-shape and is slightly narrower than the support plate 13, both of which are concentric with each other. They are arranged above and below with a required gap between them.
支持板１３の水平をなす天板１３ａの中央に
は、透孔１５を有する円形凹孔１３ｂが形成さ
れ、ボルト１６が、その頭部を前記凹孔１３ｂ内
に嵌合して垂下されている。 A circular recessed hole 13b having a through hole 15 is formed in the center of the horizontal top plate 13a of the support plate 13, and a bolt 16 is suspended by fitting its head into the recessed hole 13b. .
ボルト１６の下端のねじ部１６ａは、押え板１
４の水平をなす天板１４ａの透孔１７に遊挿さ
れ、かつその下端部には、ナツト１８が螺合され
ている。 The threaded portion 16a at the lower end of the bolt 16 is connected to the holding plate 1.
It is loosely inserted into the through hole 17 of the horizontal top plate 14a of No. 4, and a nut 18 is screwed into the lower end thereof.
前記天板１３ａと天板１４ａ間において、ボル
ト１６のねじ部１６ａには、圧縮コイルばね１９
が嵌挿され、ボルト１６は、コイルばね１９の付
勢力に抗して、両天板１３ａ，１４ａの間隔を一
定に保つている。 A compression coil spring 19 is attached to the threaded portion 16a of the bolt 16 between the top plate 13a and the top plate 14a.
is inserted, and the bolt 16 resists the biasing force of the coil spring 19 to maintain a constant distance between the top plates 13a and 14a.
支持板１３の左右の側板１３ｃの内面下部に
は、凹凸面１３ｄが形成され、これと対向する押
え板１４の左右の側板１４ｂの外面側には、外側
を凹凸面２０ａとした摩擦板２０が止着されてい
る。 An uneven surface 13d is formed on the lower inner surface of the left and right side plates 13c of the support plate 13, and a friction plate 20 with an uneven surface 20a on the outside is formed on the outer surface side of the left and right side plates 14b of the presser plate 14 facing this. It is attached.
そして、押え板１４の側板１４ｂが外方へ拡開
した場合には、両凹凸面１３ｄ，２０ａが噛合し
うるようになつている。 When the side plate 14b of the holding plate 14 expands outward, both the concave and convex surfaces 13d and 20a can mesh with each other.
支持板１３の天板１３ａの上面は、前記座板６
ａの後部下面に固着され、同じく左右の側板１３
ｃの外面は、前記座支基５の溝部９に、上下に摺
動自在に嵌挿されている。 The upper surface of the top plate 13a of the support plate 13 is connected to the seat plate 6.
Fixed to the rear lower surface of a, the left and right side plates 13
The outer surface of c is fitted into the groove 9 of the seat support base 5 so as to be slidable up and down.
第４図に示す２１は、有底矩形筒状をなす偏心
カムで、この偏心カム２１は、その底板及び座支
基５を貫通するリベツト２２によつて、垂直軸回
わりに回動自在に取付けられている。しかして、
偏心カム２１の隅部の山部２１ａの回動軌跡内
に、前記押え板１４の側板１４ｂを位置させてあ
る。 Reference numeral 21 shown in FIG. 4 is an eccentric cam in the shape of a rectangular cylinder with a bottom, and this eccentric cam 21 is mounted rotatably around a vertical axis by a rivet 22 that passes through the bottom plate and the seat base 5. It is being However,
The side plate 14b of the presser plate 14 is positioned within the rotation locus of the peak 21a at the corner of the eccentric cam 21.
２３は操作レバーで、上方から見てＬ字形をな
し、その基端部２３ａは、座支基５の側板５ｂに
穿設した窓孔２４を通つて押え板１４間に進入
し、偏心カム２１の一方のカム面２１ａに固着さ
れており、かつその遊端部には、杷手２３ｂが取
付けられている。 Reference numeral 23 denotes an operating lever, which is L-shaped when viewed from above, and its base end 23a enters between the presser plates 14 through a window hole 24 bored in the side plate 5b of the seat support base 5, and the eccentric cam 21 is fixed to one of the cam surfaces 21a, and a lock 23b is attached to its free end.
次に、以上のように構成された本考案による椅
子の座角度調節装置の取扱い要領及び作動につい
て説明する。 Next, the handling procedure and operation of the chair seat angle adjusting device according to the present invention constructed as above will be explained.
椅子に着座した状態において、座席６の後部に
荷重を掛けると、圧縮コイルばね１９が押圧さ
れ、座板６ａは、座支基５に対して後方に傾斜す
る。 When a load is applied to the rear of the seat 6 while seated on the chair, the compression coil spring 19 is pressed, and the seat plate 6a tilts rearward with respect to the seat base 5.
適当な位置において、把手２３ｂに手を掛け
て、操作レバー２３を後方へ回動させると、第４
図の想像線で示すように、偏心カム２１の山部２
１ｂは、押え板１４の側板１４ｂを、座支基５の
側板５ｂに近接する方向に移動させる。 At an appropriate position, put your hand on the handle 23b and rotate the operating lever 23 backwards, and the fourth
As shown by the imaginary line in the figure, the peak 2 of the eccentric cam 21
1b moves the side plate 14b of the presser plate 14 in a direction approaching the side plate 5b of the seat support base 5.
この結果、支持板１３の側板１３ｃは、摩擦板
２０と側板５ｂとの間に挾圧され、座席６は、所
望の角度において締着される。 As a result, the side plate 13c of the support plate 13 is clamped between the friction plate 20 and the side plate 5b, and the seat 6 is fastened at a desired angle.
逆に、把手２３ｂを前方に回動させると、偏心
カム２１の山部２１ａが、押え板１４より離れる
ため、支持板１３の側板１３ｃと摩擦板２０との
係合は解かれ、座席６は、圧縮コイルばね１９の
付勢力によつて、元の位置へ上昇する。 Conversely, when the handle 23b is rotated forward, the peak 21a of the eccentric cam 21 separates from the presser plate 14, so the engagement between the side plate 13c of the support plate 13 and the friction plate 20 is released, and the seat 6 is , is raised to its original position by the biasing force of the compression coil spring 19.
上記実施例においては、押え板１４の側板１４
ｂに摩擦板２０を固着したが、摩擦板２０を省略
して、側板１４ｂと支持板１３を直接に係合させ
るようにしてもよい。 In the above embodiment, the side plate 14 of the presser plate 14
Although the friction plate 20 is fixed to b, the friction plate 20 may be omitted and the side plate 14b and the support plate 13 may be directly engaged.
本考案による椅子の座角度調節装置において
は、前部下面が座支基に枢着された座板の後部を
常時上方に付勢するばね材を設け、かつ座板から
垂下した支持板を、偏心カムによつて変位される
押え板と、座支基の側面との間で締着するように
してあるため、座席の角度調節は、着席したまま
操作レバーをもつて偏心カムを回動させるだけで
行うことができる。
In the chair seat angle adjusting device according to the present invention, a spring member is provided that constantly urges upward the rear part of the seat plate whose front lower surface is pivotally connected to the seat base, and the support plate hanging from the seat plate is Since the presser plate, which is displaced by the eccentric cam, is fastened to the side of the seat base, the angle of the seat can be adjusted by rotating the eccentric cam using the operating lever while seated. Can be done alone.
座席は、ばね材によつて常時上方に付勢されて
いるため、これを体重によつて押圧するか、手で
押圧するだけの操作で、座席の傾斜角度の変更を
着席したままで行える。 Since the seat is always urged upward by a spring material, the inclination angle of the seat can be changed while the user is seated by simply pressing it with their body weight or by hand.
しかも、装置の構成が簡単で、低コストで製作
できる。 Furthermore, the device has a simple configuration and can be manufactured at low cost.
第１図は、本考案の一実施例を備える椅子の側
面図、第２図は、第１図の要部である座支基を一
部切欠して示す拡大斜視図、第３図は、第２図の
Ｘ−Ｘ線における縦断面図、第４図は、第３図の
Ｙ−Ｙ線における横断面図である。
１……椅子、４……脚柱、５……座支基、５ｂ
……側板、６……座席、６ａ……座板、１０……
取付金具、１１……軸、１３……支持板、１３ａ
……天板、１３ｃ……側板、１３ｄ……凹凸面、
１４……押え板、１４ａ……天板、１４ｂ……側
板、１５，１７……透孔、１９……圧縮コイルば
ね、２０……摩擦板、２０ａ……凹凸面、２１…
…偏心カム、２１ａ……カム面、２２……リベツ
ト、２３……操作レバー、２３ｂ……把手、２４
……窓孔。
FIG. 1 is a side view of a chair equipped with an embodiment of the present invention, FIG. 2 is an enlarged perspective view with a part of the seat base, which is the main part of FIG. 1, cut away, and FIG. FIG. 2 is a longitudinal cross-sectional view taken along line XX, and FIG. 4 is a cross-sectional view taken along line Y-Y in FIG. 3. 1... Chair, 4... Pillar, 5... Seat support, 5b
...Side board, 6... Seat, 6a... Seat board, 10...
Mounting bracket, 11...shaft, 13...support plate, 13a
...Top plate, 13c...Side plate, 13d...Uneven surface,
14... Pressing plate, 14a... Top plate, 14b... Side plate, 15, 17... Through hole, 19... Compression coil spring, 20... Friction plate, 20a... Uneven surface, 21...
... Eccentric cam, 21a ... Cam surface, 22 ... Rivet, 23 ... Operation lever, 23b ... Handle, 24
...Window hole.
Claims (1)
るとともに、該座支基の前部に、座板の前部下面
を、水平の軸をもつて枢着し、座板の後部下面に
止着した断面下向きコ字形の支持板の両側板の下
部を、座支基の各側板の内側に、上下摺動自在に
嵌合し、かつ前記支持板内に、やや小幅の断面下
向きコ字形の押え板を、その側板が、支持板の側
板より若干離れるようにして配設し、前記支持板
の天板と押え板の天板との間に圧縮コイルばねを
縮設することにより、前記座板の後部を上方に付
勢させ、さらに前記押え板の両側板の間に、操作
レバーによつて回動される偏心カムを配設してな
り、前記操作レバーを回動することにより、前記
偏心カムをもつて両押え板の側板を座支基の側板
方向に近接させて、両者の間に、前記支持板の両
側板の下部を締付けて、座板を所要の角度で締着
しうるようにしたことを特徴とする椅子の座角度
調節装置。 A seat base having an upward U-shaped cross section is fixed to the upper end of the pedestal, and the front lower surface of the seat plate is pivotally attached to the front part of the seat base with a horizontal axis, and the rear part of the seat plate is fixed to the upper end of the pillar. The lower portions of both side plates of the support plate, which is fixed to the lower surface and has a downward U-shaped cross section, are fitted inside each side plate of the seat base so as to be able to slide up and down, and the lower portions of the support plate, which has a downwardly facing U-shaped cross section and are fixed to the lower surface, are fitted into the inside of each side plate of the seat base so as to be able to slide vertically. By arranging a U-shaped holding plate so that its side plate is slightly separated from the side plate of the supporting plate, and compressing a compression coil spring between the top plate of the supporting plate and the top plate of the holding plate. , the rear part of the seat plate is urged upward, and an eccentric cam that is rotated by an operating lever is arranged between both side plates of the presser plate, and by rotating the operating lever, Using the eccentric cam, bring the side plates of both presser plates closer to the side plates of the seat support base, and tighten the lower parts of both side plates of the support plate between the two to tighten the seat plate at a required angle. A seat angle adjustment device for a chair, which is characterized by a damping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036382U JPS5944360U (en) | 1982-09-16 | 1982-09-16 | Chair seat angle adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036382U JPS5944360U (en) | 1982-09-16 | 1982-09-16 | Chair seat angle adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5944360U JPS5944360U (en) | 1984-03-23 |
| JPS6328917Y2 true JPS6328917Y2 (en) | 1988-08-03 |
Family
ID=30314292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14036382U Granted JPS5944360U (en) | 1982-09-16 | 1982-09-16 | Chair seat angle adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5944360U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724605C2 (en) * | 1987-07-24 | 1994-02-03 | Inaba Seisakusho Ltd | Seating |
| JP7137377B2 (en) * | 2018-06-29 | 2022-09-14 | 株式会社イトーキ | Chair |
-
1982
- 1982-09-16 JP JP14036382U patent/JPS5944360U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5944360U (en) | 1984-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8662591B2 (en) | Reclining chair headrest with height adjustment mechanism | |
| US7080885B2 (en) | Task chair | |
| US5244253A (en) | Height adjustment control for a chair | |
| US4345733A (en) | Mounting device for a chair seat | |
| JPS6328917Y2 (en) | ||
| JP2003079472A (en) | Rocking chair and its base | |
| US3709535A (en) | Hinge iron for posture chair | |
| US20050006935A1 (en) | Adjustable waistrest structure of a chair | |
| US3712672A (en) | Chair iron and mounting plate therefor | |
| JP2002262953A (en) | Chair | |
| JPS6237492Y2 (en) | ||
| JP6817800B2 (en) | Chair armrest device | |
| JPH04742Y2 (en) | ||
| JPH0725073Y2 (en) | Height adjustment device for tables | |
| CA2093072C (en) | Chair assembly for vehicle | |
| JPH0325635Y2 (en) | ||
| JPH0537792Y2 (en) | ||
| JP2596929Y2 (en) | Chair back adjuster | |
| JPH0414036Y2 (en) | ||
| JP3092285U (en) | Caster, backrest, chair function integrated folding device | |
| JPS5920121Y2 (en) | Seat tilting device for chairs | |
| JPH0221962Y2 (en) | ||
| JPH0221963Y2 (en) | ||
| JPH0437477Y2 (en) | ||
| JPS6416935U (en) |