JPH0219338U - - Google Patents
Info
- Publication number
- JPH0219338U JPH0219338U JP9896888U JP9896888U JPH0219338U JP H0219338 U JPH0219338 U JP H0219338U JP 9896888 U JP9896888 U JP 9896888U JP 9896888 U JP9896888 U JP 9896888U JP H0219338 U JPH0219338 U JP H0219338U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- receiving part
- lower bearing
- elastic body
- support shaft
- 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
- 230000035939 shock Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
Landscapes
- Chairs Characterized By Structure (AREA)
Description
第１図は本考案に係る復元装置を取付けた回転
椅子の全体斜視図、第２図は復元装置の縦断面図
、第３図は第２図の状態から支軸を１８０度回転
させた状態の復元装置の縦断面図である。
Ａ：回転椅子、Ｂ：復元装置、１：脚台、２：
取付体、３：座部、４：背凭れ、５：肘掛け、６
：軸筒、１０：下部軸受、１１：円孔、１２：環
状凹陥部、２０：上部軸受、２１：円孔、２２：
斜裁面、２３：頂部、２４：底部、２５：軸受、
３０：支軸、３１：ベアリング、３２：軸、３３
：スラストベアリング、３４：受部、３５：段部
、３６：緩衝部材、４０：復元用圧縮スプリング
、５０：緩衝用圧縮スプリング、ａ：間隔、ｂ：
斜裁面のストローク。
Fig. 1 is an overall perspective view of a rotary chair equipped with a restoring device according to the present invention, Fig. 2 is a vertical sectional view of the restoring device, and Fig. 3 is a state in which the support shaft has been rotated 180 degrees from the state shown in Fig. 2. FIG. 3 is a vertical cross-sectional view of the restoration device. A: Rotating chair, B: Restoration device, 1: Leg stand, 2:
Mounting body, 3: Seat, 4: Backrest, 5: Armrest, 6
: shaft cylinder, 10: lower bearing, 11: circular hole, 12: annular recess, 20: upper bearing, 21: circular hole, 22:
Oblique surface, 23: top, 24: bottom, 25: bearing,
30: Support shaft, 31: Bearing, 32: Shaft, 33
: Thrust bearing, 34: Receiving part, 35: Step part, 36: Buffer member, 40: Restoration compression spring, 50: Buffer compression spring, a: Spacing, b:
Stroke of oblique plane.
Claims (1)
軸受を固定するとともに前記軸筒の上端に下面を
斜裁面となした上部軸受を固定し、上端に座部を
連設する支軸を前記下部軸受と上部軸受とに回転
可能に挿通し、該支軸の側面に前記斜裁面上を摺
動する係合部材を固定し、該係合部材の下方にス
ラストベアリングを介して支軸に対して回転可能
な受部を設け、該受部と前記下部軸受との間に前
記係合部材を斜裁面へ弾性付勢する復元用弾性体
を配するとともに該復元用弾性体の外側には緩衝
用弾性体をその上端と前記受部との間に前記斜裁
面の頂部と底部間のストロークと同等又はそれ以
上の間隔をおいて下部軸受上に配してなることを
特徴とする回転椅子に於ける復元装置。 A lower bearing is fixed to the inside of a shaft cylinder which is set up on the floor or a footrest, and an upper bearing whose lower surface is a beveled surface is fixed to the upper end of the shaft cylinder, and a seat is connected to the upper end. A support shaft is rotatably inserted into the lower bearing and the upper bearing, an engagement member that slides on the oblique surface is fixed to the side surface of the support shaft, and a thrust bearing is provided below the engagement member. a receiving part rotatable with respect to the support shaft is provided, and a restoring elastic body is disposed between the receiving part and the lower bearing to elastically urge the engaging member toward the oblique surface, and the restoring elastic body is arranged between the receiving part and the lower bearing. On the outside of the body, a shock absorbing elastic body is disposed on the lower bearing with an interval equal to or greater than the stroke between the top and bottom of the diagonal surface between the upper end of the elastic body and the receiving part. A restoring device for a rotating chair, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9896888U JPH0439723Y2 (en) | 1988-07-26 | 1988-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9896888U JPH0439723Y2 (en) | 1988-07-26 | 1988-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0219338U true JPH0219338U (en) | 1990-02-08 |
| JPH0439723Y2 JPH0439723Y2 (en) | 1992-09-17 |
Family
ID=31325699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9896888U Expired JPH0439723Y2 (en) | 1988-07-26 | 1988-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439723Y2 (en) |
-
1988
- 1988-07-26 JP JP9896888U patent/JPH0439723Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439723Y2 (en) | 1992-09-17 |
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