JPH04245U - - Google Patents
Info
- Publication number
- JPH04245U JPH04245U JP2330490U JP2330490U JPH04245U JP H04245 U JPH04245 U JP H04245U JP 2330490 U JP2330490 U JP 2330490U JP 2330490 U JP2330490 U JP 2330490U JP H04245 U JPH04245 U JP H04245U
- Authority
- JP
- Japan
- Prior art keywords
- guide groove
- backrest
- nut
- bolt insertion
- pin
- 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
Links
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
図面はこの考案の一実施例を示すもので、第1
図は背もたれが後限位置にある椅子全体の斜視図
、第2図は同側面図、第3図は第2図の−線
の矢視断面図、第4図は椅子要部の分解斜視図、
第5図は背もたれが前限位置にある椅子全体の側
面図である。
1……椅子、1a……椅子本体、2c……上部
横桟(側枠部)、4……背もたれ、5……背支持
枠、5a……立上り部、5b……水平部、6……
ガイドピン、7……長孔、8……ナツトガイド溝
、14……ピンガイド溝、15……ボルト挿通孔
、16……背位置設定ボルト、17……小判形ナ
ツト(ナツト部材)。
The drawing shows one embodiment of this invention.
The figure is a perspective view of the entire chair with the backrest in the rearmost position, Figure 2 is a side view of the same, Figure 3 is a sectional view taken along the - line in Figure 2, and Figure 4 is an exploded perspective view of the main parts of the chair. ,
FIG. 5 is a side view of the entire chair with the backrest in its forward position. DESCRIPTION OF SYMBOLS 1...Chair, 1a...Chair body, 2c...Upper horizontal beam (side frame part), 4...Backrest, 5...Back support frame, 5a...Rising part, 5b...Horizontal part, 6...
Guide pin, 7... Long hole, 8... Nut guide groove, 14... Pin guide groove, 15... Bolt insertion hole, 16... Back position setting bolt, 17... Oval nut (nut member).
Claims (1)
間に背もたれが取付けられると共に、これら背支
持枠の水平部の前部位置と後部位置とに各別に、
内面側に開いた前後方向に沿うピンガイド溝と、
内外側面を透通するボルト挿通孔とが設けられ、
椅子本体の左右側枠部に、上記ピンガイド溝に相
対摺動自在に嵌入するガイドピンと、上記ボルト
挿通孔に臨んで前後方向に沿う長孔とが設けられ
、かつ該長孔の上記側枠部内面側が幅広に形成さ
れてナツトガイド溝を構成し、該ナツトガイド溝
に摺動自在かつ回転不能に嵌装されるナツト部材
と、上記ボルト挿通孔に外側より挿入されて上記
長孔を通して該ナツト部材に螺着される背位置設
定ボルトとを具備してなる椅子の背もたれ位置調
整装置。 A backrest is attached between the upright portions of a pair of left and right back support frames that are approximately L-shaped, and is installed separately at the front and rear positions of the horizontal portions of these back support frames.
A pin guide groove along the front and back direction that opens on the inner side,
Bolt insertion holes that pass through the inner and outer sides are provided,
The left and right side frames of the chair body are provided with a guide pin that is slidably fitted into the pin guide groove, and a long hole that faces the bolt insertion hole and extends in the front-rear direction, and the side frame of the long hole A nut member whose inner surface side is wide to form a nut guide groove, and which is slidably and non-rotatably fitted into the nut guide groove; and a nut member which is inserted into the bolt insertion hole from the outside and passes through the elongated hole. A backrest position adjustment device for a chair, comprising a back position setting bolt screwed into the backrest position setting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2330490U JPH06987Y2 (en) | 1990-03-08 | 1990-03-08 | Chair back position adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2330490U JPH06987Y2 (en) | 1990-03-08 | 1990-03-08 | Chair back position adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04245U true JPH04245U (en) | 1992-01-06 |
| JPH06987Y2 JPH06987Y2 (en) | 1994-01-12 |
Family
ID=31526294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2330490U Expired - Lifetime JPH06987Y2 (en) | 1990-03-08 | 1990-03-08 | Chair back position adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06987Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013034772A (en) * | 2011-08-10 | 2013-02-21 | Kyoraku Sangyo Kk | Chair for game parlor |
-
1990
- 1990-03-08 JP JP2330490U patent/JPH06987Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013034772A (en) * | 2011-08-10 | 2013-02-21 | Kyoraku Sangyo Kk | Chair for game parlor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06987Y2 (en) | 1994-01-12 |