JPH0522121Y2 - - Google Patents
Info
- Publication number
- JPH0522121Y2 JPH0522121Y2 JP3209889U JP3209889U JPH0522121Y2 JP H0522121 Y2 JPH0522121 Y2 JP H0522121Y2 JP 3209889 U JP3209889 U JP 3209889U JP 3209889 U JP3209889 U JP 3209889U JP H0522121 Y2 JPH0522121 Y2 JP H0522121Y2
- Authority
- JP
- Japan
- Prior art keywords
- gripping
- front part
- publication
- gripping metal
- metal fitting
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 230000037431 insertion Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- 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
- A47C7/402—Support for the head or the back for the back adjustable in height
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、椅子の背もたれを上端に取り付けた
背杆の高さを、任意に調節しうるようにして支持
する装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a device for supporting the backrest of a chair so that the height of the backrest attached to the upper end can be adjusted as desired.
椅子の背もたれの適切な高さは、着座者の体格
や好み、あるいは仕事の内容や仕事時と休憩時と
で異なるので、これを随時任意に調節しうる背杆
専用の支持装置、あるいは背杆の支持にも使用し
うるようにした装置が、例えば次ぎに列記する文
献に記載されている。
The appropriate height of the backrest of a chair varies depending on the physique and preferences of the person sitting, the content of the work, and whether the person is working or resting. Devices which can also be used for support are described, for example, in the documents listed below.
実開昭52−4009号公報
実公昭57−19027号公報
実公昭60−12439号公報
実公昭46−7257号公報
実公昭46−14196号公報
実公昭46−35007号公報
実公昭48−4987号公報
〔考案が解決しようとする課題〕
上記の各装置の大部分のものは、総金属製であ
るため、滑り易く、それを固定した背杆の滑落を
防止するために、背杆の局部に把持金具を強く締
め付ける必要がある。そのため、長期使用する間
に、背杆の表面が傷付いて見苦しくなる。 Publication of Utility Model Publication No. 52-4009 Publication of Publication of Utility Model Publication No. 1987-19027 Publication of Publication of Utility Model Publication No. 60-12439 Publication of Publication of Utility Model Publication No. 46-7257 Publication of Publication of Utility Model Publication No. 46-14196 Publication of Publication of Utility Model Publication No. 46-35007 Publication of Publication of Utility Model No. 48-4987 [Problems to be solved by the invention] Most of the devices mentioned above are made entirely of metal, so they slip easily. It is necessary to tighten the metal fittings strongly. Therefore, during long-term use, the surface of the back rod becomes damaged and becomes unsightly.
また同様の理由で、背もたれの高さを調節する
ために把持金具を弛めると、背杆が急速に滑落す
るので、所望の高さに調節し難く、かつ危険であ
る。 Furthermore, for the same reason, when the grip is loosened to adjust the height of the backrest, the backrest quickly slides down, making it difficult and dangerous to adjust the height to the desired height.
上記の装置の中には、部材の一部に、ゴム筒を
使用して、上述の問題を回避したものもあるが、
長期使用する間に、ゴムが老化して、不具合とな
るおそれがある。 Some of the above-mentioned devices use rubber tubes as some of the members to avoid the above-mentioned problems, but
During long-term use, the rubber may age and cause problems.
本考案は、前端が座支持枠に取り付けられた前
向Ｕ字形の把持金具内に、後部に背杆が挿通さ
れ、かつ前部に垂直をなす割溝を形成した、可撓
性の合成樹脂製把持材を嵌合し、把持金具の一方
の側片と、把持材の前部と、把持材の前部の両側
面に重合した座金へ挿通したボルトに、把持金具
の他方の側片へ挿通したハンドル付きナツトを螺
合し、このハンドルの操作により、把持材の前部
を締め付けるようにして、上述の課題の解決を図
つたものである。
This invention consists of a flexible synthetic resin that has a front end attached to the seat support frame, a forward U-shaped grip, a back rod inserted through the rear part, and a vertical split groove formed in the front part. Fit the gripping material made of aluminum and insert it into one side piece of the gripping metal fitting, the front part of the gripping metal, and the bolt inserted through the washer overlapped on both sides of the front part of the gripping metal, and the other side piece of the gripping metal fitting. The above-mentioned problem is solved by screwing together a nut with a handle that has been inserted therethrough, and by operating the handle, the front part of the gripping member is tightened.
本考案の装置において、把持金具内の把持具
が、金属より軟質の可撓性合成樹脂製であるた
め、その広い内面全体が、背杆の表面になじん
で、適切に圧接する。
In the device of the present invention, the gripping tool in the gripping metal fitting is made of flexible synthetic resin that is softer than metal, so its entire wide inner surface conforms to the surface of the back rod and presses appropriately.
従つて、把持金具を弱く締め付けるだけで、背
杆を確実に把持することができ、長期使用して
も、背杆の表面が傷付くことはない。 Therefore, the back rod can be reliably gripped by only weakly tightening the gripping metal fittings, and the surface of the back rod will not be damaged even after long-term use.
また把持金具を弛めても、背杆が急速に落下す
ることはなく、背もたれの高さを円滑に調節する
ことができる。 Furthermore, even when the grip is loosened, the backrest does not fall down rapidly, and the height of the backrest can be adjusted smoothly.
図面は本考案の一実施例を示すもので、第２図
において、１は脚杆、２は座である。
The drawings show one embodiment of the present invention, and in FIG. 2, 1 is a leg rod and 2 is a seat.
座２は、その下面に固着した支持枠３内の傾斜
角調節装置（図示省略）を介して脚杆１に取り付
けられている。 The seat 2 is attached to the leg rod 1 via an inclination angle adjustment device (not shown) in a support frame 3 fixed to the lower surface of the seat 2.
支持枠３の後端には、本考案装置により、上端
に背もたれ（図示省略）を装着した背杆４が取り
付けられている。 A back rod 4 having a backrest (not shown) attached to its upper end is attached to the rear end of the support frame 3 by the device of the present invention.
第２図に示すように、支持枠３における互に平
行をなす左右両側板３ａ，３ａの後端上部には、
前向Ｕ字形の把持金具５の前上端が、左右方向を
向くピン６をもつて枢着されている。 As shown in FIG. 2, at the upper rear end of the left and right side plates 3a, 3a that are parallel to each other in the support frame 3,
The front upper end of the front U-shaped grip 5 is pivotally mounted with a pin 6 facing left and right.
把持金具５の下端中央は、取付枠３内に枢設し
た、たとえばメカニカルロツクのような伸縮装置
７の先端に枢着され、伸縮装置７の伸縮により、
ピン６まわりに任意の角度に回動させて固定する
ことができる。 The center of the lower end of the gripping fitting 5 is pivotally attached to the tip of a telescoping device 7, such as a mechanical lock, which is pivotally installed in the mounting frame 3.
It can be fixed by rotating around the pin 6 at any angle.
把持金具５の両側片５ａ，５ａの中央左右対称
の個所には、通孔８，８が穿設されている。 Through holes 8, 8 are bored in symmetrical positions in the center of both side pieces 5a, 5a of the gripping metal fitting 5.
把持金具５内の後部には、可撓性の合成樹脂製
の把持材９が嵌設され、その後部９ａに、上記背
杆４の下部が挿通されている。 A flexible synthetic resin grip member 9 is fitted into the rear part of the grip fitting 5, and the lower part of the back rod 4 is inserted through the rear part 9a.
把持材９における左右幅が後部９ａより小幅の
前部９ｂは、割溝１０により左右に分割されてい
る。 A front portion 9b of the gripping member 9 whose left-right width is smaller than the rear portion 9a is divided into left and right portions by a groove 10.
把持材９の前部９ｂには、上記通孔８と同軸を
なし、かつそれよりも小径の挿通孔１１が穿設さ
れ、その外側面には、内径が挿通孔１１と等径の
座金１２が、同軸をなして添設されている。 An insertion hole 11 coaxial with the through hole 8 and smaller in diameter than the through hole 8 is bored in the front part 9b of the gripping member 9, and a washer 12 having an inner diameter equal to that of the insertion hole 11 is formed on the outer surface of the insertion hole 11. are attached coaxially.
１３はボルトで、その頭部１３ａと軸部１３ｂ
の間には、軸部１３ｂより大径の拡径部１３ｃが
形成されている。 13 is a bolt, its head 13a and shaft portion 13b
An enlarged diameter portion 13c having a larger diameter than the shaft portion 13b is formed therebetween.
ボルト１３は、把持金具５の一方の側片５ａの
通孔８より挿入されて、大径部１３ｃが通孔８に
嵌合し、その軸部１３ｂは、両座金１２，１２と
把持材９の両挿通孔１１，１１と割溝１０へ貫通
している。 The bolt 13 is inserted through the through hole 8 of one side piece 5a of the gripping metal fitting 5, the large diameter portion 13c fits into the through hole 8, and the shaft portion 13b is inserted between the two washers 12, 12 and the gripping member 9. It penetrates into both the insertion holes 11, 11 and the split groove 10.
把持金具５の他方の側片５ａの通孔８には、長
寸のナツト１４の先端における縮径部１４ａが嵌
入され，ボルト１３に螺合し、かつ縮径部１４ａ
の先端は、座金１２に当接している。 A reduced diameter portion 14a at the tip of a long nut 14 is fitted into the through hole 8 of the other side piece 5a of the gripping fitting 5, and is threaded onto the bolt 13.
The tip is in contact with the washer 12.
ナツト１４の外端部には、ハンドル１５が嵌設
されている。 A handle 15 is fitted into the outer end of the nut 14.
上述の本考案装置において、ハンドル１５の操
作により、袋ナツト１４を締め付ければ、ナツト
１４の縮径部１４ａとボルト１３の拡径部１３ｃ
により、両座金１２，１２を介して、把持材９の
前部９ｂが、適圧をもつて締め付けられ、背杆４
は確実に把持される。 In the device of the present invention described above, when the cap nut 14 is tightened by operating the handle 15, the reduced diameter portion 14a of the nut 14 and the enlarged diameter portion 13c of the bolt 13 are tightened.
As a result, the front portion 9b of the gripping member 9 is tightened with appropriate pressure via both washers 12, 12, and the back rod 4 is tightened.
is securely gripped.
この時、ボルト１３の頭部１３ａとナツト１４
の段部１４ｂが、把持金具５の両側片５ａ，５ａ
に当接して、ストツパとなるので、把持材９が過
大に締付けられて損傷することはない。 At this time, the head 13a of the bolt 13 and the nut 14
The stepped portions 14b are located on both sides 5a, 5a of the gripping fitting 5.
Since the holding member 9 comes into contact with the holding member 9 and acts as a stopper, the holding member 9 will not be damaged due to excessive tightening.
本考案の装置においては、背杆を直接把持する
把持材が，可撓性の合成樹脂製であり、その広い
面積が、背杆の表面の微細な凹凸になじんで圧接
するので、把持材を弱く締め付けるだけで、背杆
を確実に把持することができ、また、長期繰返し
て使用しても、背杆の表面を傷付けることはな
い。
In the device of the present invention, the gripping material that directly grips the back rod is made of flexible synthetic resin, and its wide area adapts to and presses against the fine irregularities on the surface of the back rod. The back rod can be gripped securely by only weak tightening, and the surface of the back rod will not be damaged even after repeated use over a long period of time.
背もたれの高さを調節する際には、ナツトを若
干弛めれば、把持材が背杆を手動で昇降させうる
程度に把持し、急速に滑落することはないので、
背もたれの高さを円滑に調節することができる。 When adjusting the height of the backrest, loosen the nut slightly so that the gripping material grips the backrest to the extent that it can be raised and lowered manually, and it will not slide down rapidly.
The height of the backrest can be adjusted smoothly.
把持材は合成樹脂製であるため、長期使用して
も、ゴムのように老化することはない。 Since the gripping material is made of synthetic resin, it will not deteriorate like rubber, even after long-term use.
第１図は、本考案装置の一部横断平面図、第２
図は、本考案を適用した椅子の要部側面図であ
る。
１……脚杆、２……座、３……支持枠、３ａ…
…側板、４……背杆、５……把持金具、５ａ……
側片、６……ピン、７……伸縮装置、８……通
孔、９……把持材、９ａ……後部、９ｂ……前
部、１０……割溝、１１……挿通孔、１２……座
金、１３……ボルト、１３ａ……頭部、１３ｂ…
…軸部、１３ｃ……拡径部、１４……ナツト、１
４ａ……縮径部、１４ｂ……段部、１５……ハン
ドル。
FIG. 1 is a partially cross-sectional plan view of the device of the present invention, and FIG.
The figure is a side view of the main parts of a chair to which the present invention is applied. 1...Leg rod, 2...Seat, 3...Support frame, 3a...
...Side plate, 4... Back rod, 5... Grip fitting, 5a...
Side piece, 6... Pin, 7... Telescopic device, 8... Through hole, 9... Gripping member, 9a... Rear part, 9b... Front part, 10... Division groove, 11... Insertion hole, 12 ...Washer, 13...Bolt, 13a...Head, 13b...
...Shaft part, 13c... Expanded diameter part, 14... Nut, 1
4a...Reduced diameter part, 14b...Step part, 15...Handle.
Claims (1)
把持金具内に、後部に背杆が挿通され、かつ前部
に垂直をなす割溝を形成した、可撓性の合成樹脂
製把持材を嵌合し、把持金具の一方の側片と、把
持材の前部と、把持材の前部の両側面に重合した
座金へ挿通したボルトに、把持金具の他方の側片
へ挿通したハンドル付きナツトを螺合し、このハ
ンドルの操作により、把持材の前部を締め付ける
ようにした椅子の背杆支持装置。 A flexible synthetic resin gripping member with a front end attached to the seat support frame and a forward-facing U-shaped gripping metal fitting with a back rod inserted through the rear end and a vertical groove formed in the front part. A handle that is inserted into one side of the gripping metal fitting, the front part of the gripping metal, and a washer that overlaps both sides of the front part of the gripping metal, and a bolt that is inserted into the other side piece of the gripping metal fitting. A chair back support device in which a nut is screwed together and the front part of a gripping member is tightened by operating the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3209889U JPH0522121Y2 (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3209889U JPH0522121Y2 (en) | 1989-03-23 | 1989-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02124057U JPH02124057U (en) | 1990-10-12 |
| JPH0522121Y2 true JPH0522121Y2 (en) | 1993-06-07 |
Family
ID=31534976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3209889U Expired - Lifetime JPH0522121Y2 (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522121Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUD20110167A1 (en) | 2011-10-19 | 2013-04-20 | Compotek S R L Unipersonale | ADJUSTMENT DEVICE FOR THE HEIGHT OF A BACKREST OF A CHAIR, AND CHAIR INCLUDING SUCH A DEVICE |
-
1989
- 1989-03-23 JP JP3209889U patent/JPH0522121Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02124057U (en) | 1990-10-12 |
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