JPH0448851U - - Google Patents
Info
- Publication number
- JPH0448851U JPH0448851U JP9110890U JP9110890U JPH0448851U JP H0448851 U JPH0448851 U JP H0448851U JP 9110890 U JP9110890 U JP 9110890U JP 9110890 U JP9110890 U JP 9110890U JP H0448851 U JPH0448851 U JP H0448851U
- Authority
- JP
- Japan
- Prior art keywords
- support
- backrest
- backward
- view
- attached
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
実施例を示す縦断側面図、第2図は第1図の−
視断面図、第3図は第2図の−視側面図、
第4図は第2図の−視断面図、第5図は第2
図の−視断面図、第6図は第1図の−視
断面図、第7図は第1図の−視断面図、第8
図は第2の実施例を示す側断面図で第9図の−
視断面図、第9図は第8図の−視断面図、
第10図は第8図の−視断面図、第11図は
椅子の後部の一部断面図、第12図は第3の実施
例を示す縦断側面図、第13図は第12図の
−視断面図、第14図は第3の実施例の変形
例を示す側面図、第15図は第14図の−
視断面図である。
1……脚体、2……支持機構、3……固定枠体
、4……背もたれ支持体、6……背もたれ、8…
…ばね体の一例としてのトーシヨンバー、11,
20,24,26……支持部、11a,20a,
24a,26a……円弧状外周面、12……座体
、13……座板、15……座受体、15b,15
c,15d……接当部、16……ピン、17,1
8……摩擦部材、22……主回動軸、23……ば
ね体の一例としての板ばね。
The drawings show an embodiment of the present invention, FIG. 1 is a longitudinal side view showing the first embodiment, and FIG.
A cross-sectional view, FIG. 3 is a side view of FIG. 2,
Figure 4 is a cross-sectional view of Figure 2, and Figure 5 is a cross-sectional view of Figure 2.
6 is a sectional view of FIG. 1, FIG. 7 is a sectional view of FIG.
The figure is a side sectional view showing the second embodiment.
9 is a cross-sectional view of FIG. 8,
10 is a cross-sectional view of FIG. 8, FIG. 11 is a partial cross-sectional view of the rear part of the chair, FIG. 12 is a longitudinal side view of the third embodiment, and FIG. 13 is a cross-sectional view of FIG. 14 is a side view showing a modification of the third embodiment, and FIG. 15 is a cross-sectional view of FIG. 14.
FIG. DESCRIPTION OF SYMBOLS 1... Leg body, 2... Support mechanism, 3... Fixed frame, 4... Backrest support, 6... Backrest, 8...
...Torsion bar as an example of a spring body, 11,
20, 24, 26...support part, 11a, 20a,
24a, 26a...Circular outer peripheral surface, 12...Seat body, 13...Seat plate, 15...Seat support body, 15b, 15
c, 15d... Contact portion, 16... Pin, 17, 1
8... Friction member, 22... Main rotating shaft, 23... Leaf spring as an example of a spring body.
Claims (1)
に、背もたれが取り付いた背もたれ支持体を後傾
動自在に枢着すると共に、外周面を前記背もたれ
支持体の回動中心回りに延びる円弧面に形成して
成る支持部を設け、前記背もたれ支持体の後傾動
を弾性的に支持するばね体を設ける一方、前記背
もたれ支持体には、座体を前傾動又は後傾動可能
に枢着し、該座体に、前記支持部における円弧状
外周面に接当する接当部を設け、該座体の接当部
と前記支持部との間に、摩擦抵抗の大きい部材を
介挿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。 A backrest support to which a backrest is attached is pivotally attached to a support mechanism attached to the upper part of the legs of the chair so as to be able to freely tilt backward, and the outer circumferential surface is formed into an arcuate surface extending around the center of rotation of the backrest support. A spring body is provided to elastically support the backward tilting movement of the backrest support, and a seat body is pivotally connected to the backrest support body so as to be tiltable forward or backward; , a chair comprising: a contact portion that contacts an arcuate outer circumferential surface of the support portion; and a member having high frictional resistance inserted between the contact portion of the seat body and the support portion. Locking device for the backrest.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9110890U JPH0729874Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9110890U JPH0729874Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0448851U true JPH0448851U (en) | 1992-04-24 |
JPH0729874Y2 JPH0729874Y2 (en) | 1995-07-12 |
Family
ID=31826425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9110890U Expired - Lifetime JPH0729874Y2 (en) | 1990-08-29 | 1990-08-29 | Backrest locking device in chair |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0729874Y2 (en) |
-
1990
- 1990-08-29 JP JP9110890U patent/JPH0729874Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0729874Y2 (en) | 1995-07-12 |
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