JPH0452634U - - Google Patents
Info
- Publication number
- JPH0452634U JPH0452634U JP9444390U JP9444390U JPH0452634U JP H0452634 U JPH0452634 U JP H0452634U JP 9444390 U JP9444390 U JP 9444390U JP 9444390 U JP9444390 U JP 9444390U JP H0452634 U JPH0452634 U JP H0452634U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- rod
- passage
- shock
- 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
- 230000035939 shock Effects 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 description 2
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Fluid-Damping Devices (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Description
図面（第１図）は本考案を椅子の油圧昇降装置
に適用した時の油圧管系統及びシヨツクアブソー
バの組立断面図を示す。
１……モータ、２……ポンプ、３……タンク、
４，５，６，７……管路、８……油圧シリンダ、
９……ラム、１０……椅子、１１……チエツク弁
、１２……電磁弁、１３……シヨツクアブソーバ
、１４……シリンダ、１５……ピストン、１５ａ
……ロツド、１５ｂ……通路、１６……スプリン
グ、１７……蓋、１８……栓、１８ａ……オリフ
イス。
The drawing (FIG. 1) shows an assembled sectional view of a hydraulic pipe system and a shock absorber when the present invention is applied to a hydraulic lifting device for a chair. 1...Motor, 2...Pump, 3...Tank,
4, 5, 6, 7...Pipeline, 8...Hydraulic cylinder,
9... Ram, 10... Chair, 11... Check valve, 12... Solenoid valve, 13... Shock absorber, 14... Cylinder, 15... Piston, 15a
... Rod, 15b ... Passage, 16 ... Spring, 17 ... Lid, 18 ... Stopper, 18a ... Orifice.
Claims (1)
・停止時等に発生するのピーク圧力を低減させて
シヨツクを緩和させる装置において、シリンダ、
と片側のロツドが前記シリンダを貫通して設けら
れたピストンと、シリンダ内のロツト側にスプリ
ングを設け、前記ピストンには該ピストンの受圧
両面を連通する通路と、同通路にオリフイスとを
設けた事を特徴とする椅子等のシヨツク緩和装置
。 A device installed in the hydraulic circuit of a hydraulically operated device such as a chair to reduce the peak pressure that occurs when starting or stopping, etc., to relieve shock.
and a piston with a rod on one side passing through the cylinder, a spring provided on the rod side in the cylinder, a passage communicating between both pressure-receiving surfaces of the piston, and an orifice in the passage. A shock relief device for chairs, etc., characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9444390U JPH0452634U (en) | 1990-09-07 | 1990-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9444390U JPH0452634U (en) | 1990-09-07 | 1990-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452634U true JPH0452634U (en) | 1992-05-06 |
Family
ID=31832389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9444390U Pending JPH0452634U (en) | 1990-09-07 | 1990-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1707078A1 (en) | 2005-03-31 | 2006-10-04 | Takara Belmont Corporation | Hydraulic device for elevating/lowering chair |
-
1990
- 1990-09-07 JP JP9444390U patent/JPH0452634U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1707078A1 (en) | 2005-03-31 | 2006-10-04 | Takara Belmont Corporation | Hydraulic device for elevating/lowering chair |