JPH0247945U - - Google Patents
Info
- Publication number
- JPH0247945U JPH0247945U JP12684188U JP12684188U JPH0247945U JP H0247945 U JPH0247945 U JP H0247945U JP 12684188 U JP12684188 U JP 12684188U JP 12684188 U JP12684188 U JP 12684188U JP H0247945 U JPH0247945 U JP H0247945U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- backrest
- rib
- rib plates
- front surface
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
図面は本考案の実施例を示し、第１図は補強リ
ブ体の斜視図、第２図は椅子の斜視図、第３図は
シエル板を省略した状態での背凭部の背面図、第
４図は第３図の―視断面図、第５図は第３図
の―視断面図、第６図は及び第７図は作用を
示す図である。
１……椅子、２……脚体、４……座板、５……
背凭部、６……支持体、１０……補強リブ体、１
１……リブ板、１１ａ……膨出部、１２……連結
片。
The drawings show an embodiment of the present invention; FIG. 1 is a perspective view of the reinforcing rib body, FIG. 2 is a perspective view of the chair, FIG. 3 is a rear view of the backrest with the shell plate omitted, and FIG. 4 is a cross-sectional view of FIG. 3, FIG. 5 is a cross-sectional view of FIG. 3, and FIGS. 6 and 7 are views showing the operation. 1...Chair, 2...Legs, 4...Seat board, 5...
Backrest portion, 6... Support body, 10... Reinforcement rib body, 1
1...Rib plate, 11a...Bulging portion, 12...Connection piece.
Claims (1)
面に、弾性板にて形成した背凭部を前後動自在に
配設し、該背凭部の裏面には、連結片の両側に連
設して後ろ向き凸状に湾曲する膨出リブ部が形成
された弾性板製の一対のリブ板から成る補強リブ
体を、当該一対のリブ板の外側縁にて固定し、該
補強リブ体における連結片の後ろ向き突出した屈
曲自在な頂部を前記支持体の前面に接当させたこ
とを特徴とする椅子における背凭部の弾力調節装
置。 A backrest made of an elastic plate is provided on the front surface of an inelastic support provided at the rear of the chair seat plate, etc., so that it can move back and forth, and on the backside of the backrest, there are A reinforcing rib body consisting of a pair of rib plates made of an elastic plate each having a bulging rib portion that curves in a backward convex shape is fixed at the outer edge of the pair of rib plates, and the reinforcing rib body is fixed at the outer edges of the pair of rib plates. A device for adjusting the elasticity of a backrest portion of a chair, characterized in that the bendable top portion of the connecting piece that projects backward is brought into contact with the front surface of the support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12684188U JPH0525485Y2 (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12684188U JPH0525485Y2 (en) | 1988-09-27 | 1988-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247945U true JPH0247945U (en) | 1990-04-03 |
| JPH0525485Y2 JPH0525485Y2 (en) | 1993-06-28 |
Family
ID=31378728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12684188U Expired - Lifetime JPH0525485Y2 (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0525485Y2 (en) |
-
1988
- 1988-09-27 JP JP12684188U patent/JPH0525485Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525485Y2 (en) | 1993-06-28 |