JPS5824246U - Back angle and height adjustment device for office chairs, etc. - Google Patents
Back angle and height adjustment device for office chairs, etc.Info
- Publication number
- JPS5824246U JPS5824246U JP11882781U JP11882781U JPS5824246U JP S5824246 U JPS5824246 U JP S5824246U JP 11882781 U JP11882781 U JP 11882781U JP 11882781 U JP11882781 U JP 11882781U JP S5824246 U JPS5824246 U JP S5824246U
- Authority
- JP
- Japan
- Prior art keywords
- height adjustment
- adjustment device
- backrest angle
- rod
- 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
- 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
-
- 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
- A47C7/441—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
-
- 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
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案に係る事務用椅子等の背凭れ角度及び高さ
調整装置の実施例を示したものであって、第１図は要部
切欠縦断面図、第２図は同上のＢ部拡大図、第３図Ａ、
Ｂ、Ｃは夫々背支桿支持体の上面図、側面図及び背面図
、第４図Ａ、Ｂ、Ｃは、夫々樹脂製スリーブの上面図、
正面図及び側面図、第５図Ａ、Ｂは、夫々板ばねの側面
図及び正面図、第６図は背支桿支持体の内部取付構造を
示す斜視図、第７図は第１図Ａ−Ａ線断面の部分拡大図
、第８図Ａ、Ｂはロッキング体の他の実施例を示す部分
横断面図及び部分縦断面図である。
１・・・・・・座部、２・・・・・・座受金具、３・・
・・・・座板、４・・・・・・椅子支柱、５・・・・・
・背支桿支持体、６・・・・・・レバー、７・・・・・
・コイルバネ、訃・・・・・嵌合突起、９・・・・・・
板ばね、１０・・・・・・椅子、１１・・・・・・樹脂
製スリーブ、１２・・・・・・背支桿、１３・・・・・
・背当て板、１４・・・・・・背支桿支持体の上端部、
１５・・・・・・ピン、１６・・・・・・取付片、１７
・・・・・・位置決め孔、１Ｂ筒本体、１９・・・・・
中ラド、２０・・・・・・ロッド軸受部、２１・・・・
・・止め部材、２２・・・・・・ロッド軸受、２３・・
・・・・ストッパーピン、２４，２５・・・・・・ばね
受部、２６・・・・・・圧縮コイルバネ、２７・・・・
・中ツキング体取付金具、２Ｂ・・・・・・取付孔、′
２９・・・・・・背支桿支持体の下端部、３０・・・・
・・ロッド固写用のナツト、３１・・・・・・ねじ部、
−３２・・・・・・調節つまみ、３３・・・・・・ナツ
ト部、３４・・・・・・切欠長孔、３６・・・・・・矢
印、３７・・・・・・ピン、３８・・・・・・壁部、３
９・・・・・・屈曲軸、４０・・・・・・ロッキング体
。
第７図
４０３２
３ ＶThe drawings show an embodiment of the backrest angle and height adjustment device for office chairs, etc. according to the present invention, in which Fig. 1 is a cutaway vertical cross-sectional view of the main part, and Fig. 2 is an enlarged view of part B of the same. Figure, Figure 3A,
B and C are top, side and rear views of the dorsal rod support, respectively; FIGS. 4A, B and C are top views of the resin sleeve, respectively;
5A and 5B are respectively a side view and a front view of the leaf spring, FIG. 6 is a perspective view showing the internal mounting structure of the back rod support, and FIG. 7 is FIG. 1A. 8A and 8B are a partial cross-sectional view and a partial vertical cross-sectional view showing other embodiments of the locking body. 1... Seat part, 2... Seat bracket, 3...
...Seat board, 4...Chair support, 5...
・Dorsal rod support, 6...Lever, 7...
・Coil spring, tail...Mating protrusion, 9...
Leaf spring, 10... Chair, 11... Resin sleeve, 12... Back support rod, 13...
・Back plate, 14... upper end of back rod support,
15...Pin, 16...Mounting piece, 17
...Positioning hole, 1B cylinder body, 19...
Middle Rad, 20...Rod bearing part, 21...
... Stopping member, 22 ... Rod bearing, 23 ...
... Stopper pin, 24, 25 ... Spring receiver, 26 ... Compression coil spring, 27 ...
・Middle mounting body mounting bracket, 2B...Mounting hole,'
29...lower end of dorsal rod support, 30...
... Nut for rod fixation, 31 ... Threaded part,
-32...Adjustment knob, 33...Nut part, 34...Elongated notched hole, 36...Arrow, 37...Pin, 38...Wall part, 3
9...Bending axis, 40...Rocking body. Fig. 7 4032 3 V
Claims (3)
７具２の後端部に、レバ−６操作ア背支桿１２の高さ調
節を司る背支桿支持体５をその上端部１４で枢着させる
と共に、ロフト軸受２２と止め部材２１とを装着したロ
ッド１９と、外周に螺子部３１を螺設した筒本体１８と
、該螺子部３１と螺合するナツト部３３を内周に固着し
た調節つまみ３２と、前記筒本体１８に同心的に外装さ
れた圧縮コイルバネ２６とからなる無段階調整可能なロ
ッキング体４０を、前記座受金具２の支柱４敢付個所近
傍と、前記背支桿支持体５の下端部２９との間に軸着し
たことを特徴とする事務用椅子等の背凭れ角度及び高さ
調節装置。−(1) A back support rod support 5, which controls the height adjustment of the lever 6 operating a back support rod 12, is attached to the rear end of the seat support 7 tool 2 provided directly below the center of the seat 1 of the chair 10. A rod 19 which is pivotally connected at the upper end 14 and has a loft bearing 22 and a stopper member 21 attached thereto, a cylinder main body 18 having a threaded part 31 screwed on its outer periphery, and a nut part 33 which is screwed into the threaded part 31. A steplessly adjustable locking body 40 consisting of an adjustment knob 32 fixed to the inner periphery and a compression coil spring 26 concentrically mounted on the cylindrical body 18 is placed near the location where the support 4 of the seat bracket 2 is attached. A backrest angle and height adjustment device for an office chair or the like, characterized in that the backrest angle and height adjustment device is pivoted between the lower end portion 29 of the back support rod support 5. −
用新案登録請求の範囲第１項記載の事務用椅子等の背凭
れ角度及び高さ調整装置。(2) The backrest angle and height adjustment device for an office chair, etc., according to claim 1, wherein the stop member 21 is a stopper ring.
トッパーピン２１′、と前記筒本体１８の後端部に設け
ｆ切欠長孔３４とで所要ストローク−゛ 長を調整する
ようにした実用新案登録請求の範囲第１項記載の事務用
椅子等の背凭れ角度及び高さ調整装置。(3) The stop member 21 is at the tip of the rod 19. A utility model in which the stopper pin 21' is fixed through and through, and the required stroke length is adjusted by the stopper pin 21' and a long notched hole 34 provided at the rear end of the cylinder body 18. A device for adjusting the backrest angle and height of an office chair, etc., as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11882781U JPS5824246U (en) | 1981-08-12 | 1981-08-12 | Back angle and height adjustment device for office chairs, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11882781U JPS5824246U (en) | 1981-08-12 | 1981-08-12 | Back angle and height adjustment device for office chairs, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5824246U true JPS5824246U (en) | 1983-02-16 |
Family
ID=29912927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11882781U Pending JPS5824246U (en) | 1981-08-12 | 1981-08-12 | Back angle and height adjustment device for office chairs, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5824246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3854264A1 (en) * | 2020-01-21 | 2021-07-28 | Libin Chen | Armchair |
-
1981
- 1981-08-12 JP JP11882781U patent/JPS5824246U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3854264A1 (en) * | 2020-01-21 | 2021-07-28 | Libin Chen | Armchair |
| US11185165B2 (en) | 2020-01-21 | 2021-11-30 | Libin Chen | Armchair |
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