JPH0448852U - - Google Patents
Info
- Publication number
- JPH0448852U JPH0448852U JP9110990U JP9110990U JPH0448852U JP H0448852 U JPH0448852 U JP H0448852U JP 9110990 U JP9110990 U JP 9110990U JP 9110990 U JP9110990 U JP 9110990U JP H0448852 U JPH0448852 U JP H0448852U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- backrest
- slider
- seat body
- 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.)
- Granted
Links
Landscapes
- Chairs Characterized By Structure (AREA)
Description
図面は本考案の実施例を示し、第１図は第１の
実施例における椅子の縦断側面図で第２図の−
視断面図、第２図は第１図の−視平断面図
、第３図は第１図の−視断面図、第４図は第
１図の−視断面図、第５図は第１図の−
視断面図、第６図は作用を示す概略断面図、第７
図は第２の実施例における椅子の縦断側面図で第
９図の−視断面図、第８図は第７図の−
視断面図、第９図は第７図の−視平面図、第
１０図は第７図の−視断面図、第１１図は第
７図の−視断面図、第１２図は作用を示
す概略断面図である。
１……脚体、２……支持機構、３，２６……固
定枠体、４……座体、７……座受体、１８……支
軸、９，３１……体重感応用板ばね、１１……背
もたれ支持体、１４……背もたれ、１５……ばね
体、１７……滑動子、１８……リンク機構、２０
……第一リンク杆、２２……第二リンク杆、２４
……傾斜ガイド体、３３，３４……支持コロ。
The drawings show an embodiment of the present invention, and FIG. 1 is a vertical side view of the chair in the first embodiment, and FIG.
2 is a cross-sectional view of FIG. 1, FIG. 3 is a cross-sectional view of FIG. 1, FIG. 4 is a cross-sectional view of FIG. Figure -
Fig. 6 is a schematic sectional view showing the action; Fig. 7 is a cross-sectional view;
The figure is a longitudinal sectional side view of the chair in the second embodiment; FIG.
9 is a plan view of FIG. 7, FIG. 10 is a sectional view of FIG. 7, FIG. 11 is a sectional view of FIG. 7, and FIG. 12 shows the operation. It is a schematic sectional view. DESCRIPTION OF SYMBOLS 1... Leg body, 2... Support mechanism, 3, 26... Fixed frame body, 4... Seat body, 7... Seat support body, 18... Support shaft, 9, 31... Weight sensing leaf spring , 11... Backrest support body, 14... Backrest, 15... Spring body, 17... Slider, 18... Link mechanism, 20
...First link rod, 22...Second link rod, 24
... Inclined guide body, 33, 34 ... Support roller.
Claims (1)
に、座体を、当該座体への荷重に応じて後傾動又
は下降動するよう体重感応機構を介して取り付け
ると共に、背もたれが取り付く背もたれ支持体を
後傾動自在に取り付け、該背もたれ支持体又は前
記支持機構に、前記背もたれ支持体の後傾動を滑
動子を介して弾性的に支持する梁型のばね体を設
ける一方、前記座体と支持機構との間に、１本又
は複数本のリンク杆を備えたリンク機構を、前記
座体の後傾動又は下降動にてリンク杆が回動する
ように設け、該リンク機構に、前記滑動子を、前
記座体の後傾動又は下降動にて前記滑動子がばね
体のばね定数を大きくする方向に移動するように
連動連結したことを特徴とする椅子における背も
たれのロツキング装置。 The seat body is attached to the support mechanism attached to the upper part of the legs of the chair via a weight sensitive mechanism so that it tilts backward or moves downward depending on the load on the seat body, and the backrest support body to which the backrest is attached is attached to the backrest support mechanism. The backrest support or the support mechanism is provided with a beam-shaped spring body that elastically supports the rearward tilting movement of the backrest support via a slider. A link mechanism having one or more link rods is provided between them so that the link rod rotates when the seat body is tilted backward or downward, and the slider is attached to the link mechanism. A device for rocking a backrest of a chair, characterized in that the slider is interlocked and connected so that the slider moves in a direction that increases the spring constant of a spring body when the seat body tilts backward or moves downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9110990U JPH0729875Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9110990U JPH0729875Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0448852U true JPH0448852U (en) | 1992-04-24 |
| JPH0729875Y2 JPH0729875Y2 (en) | 1995-07-12 |
Family
ID=31826426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9110990U Expired - Lifetime JPH0729875Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729875Y2 (en) |
-
1990
- 1990-08-29 JP JP9110990U patent/JPH0729875Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729875Y2 (en) | 1995-07-12 |
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