JPH0381434U - - Google Patents
Info
- Publication number
- JPH0381434U JPH0381434U JP14350989U JP14350989U JPH0381434U JP H0381434 U JPH0381434 U JP H0381434U JP 14350989 U JP14350989 U JP 14350989U JP 14350989 U JP14350989 U JP 14350989U JP H0381434 U JPH0381434 U JP H0381434U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- cylinder
- rod
- oil
- gas
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims description 2
Landscapes
- Chairs Characterized By Structure (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案のシート等の高さ調整装置の縦
断正面図、第２図は第１図の一部拡大断面図、第
３図は従来の高さ調整装置の一部切欠き正面図で
ある。
１……シリンダ、２……ピストン、３……ピス
トンロツド、４……反ロツド側室、５ａ……ロツ
ド側室、６……アウターシエル、７……ガス室、
７ａ……油室、９……切換バルブ、１３……チエ
ツクバルブ、１４……減衰バルブ。
Fig. 1 is a longitudinal sectional front view of the height adjustment device for seats, etc. of the present invention, Fig. 2 is a partially enlarged sectional view of Fig. 1, and Fig. 3 is a partially cutaway front view of a conventional height adjustment device. It is. 1... Cylinder, 2... Piston, 3... Piston rod, 4... Anti-rod side chamber, 5a... Rod side chamber, 6... Outer shell, 7... Gas chamber,
7a... Oil chamber, 9... Switching valve, 13... Check valve, 14... Damping valve.
Claims (1)
が移動自在に挿入され、シリンダの外側にアウタ
ーシエルを設け、アウターシエルとシリンダ間の
上方にガス室を設け、シリンダの反ロツド側室に
ガスを封入させ、上記ガス室と反ロツド側室とは
外部操作で開閉される切換バルブを介して連結さ
れている高さ調整装置に於て、シリンダのロツド
側室に油を充満させ、同じく前記ガス室の下方に
油を充満させた油室を設け、ロツド側室と油室と
を減衰バルブとチエツクバルブを介して連結させ
たことを特徴とするシート等の高さ調整装置。 A piston rod is movably inserted into the cylinder via a piston, an outer shell is provided on the outside of the cylinder, a gas chamber is provided above between the outer shell and the cylinder, and a gas is sealed in a chamber on the side opposite to the rod of the cylinder. The chamber and the anti-rod side chamber are connected via a switching valve that is opened and closed by external operation.In the height adjustment device, the rod side chamber of the cylinder is filled with oil, and the lower part of the gas chamber is also filled with oil. 1. A height adjustment device for a seat, etc., characterized in that a rod side chamber and an oil chamber are connected through a damping valve and a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14350989U JPH0381434U (en) | 1989-12-12 | 1989-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14350989U JPH0381434U (en) | 1989-12-12 | 1989-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0381434U true JPH0381434U (en) | 1991-08-20 |
Family
ID=31690278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14350989U Pending JPH0381434U (en) | 1989-12-12 | 1989-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0381434U (en) |
-
1989
- 1989-12-12 JP JP14350989U patent/JPH0381434U/ja active Pending