JPS6338710U - - Google Patents
Info
- Publication number
- JPS6338710U JPS6338710U JP13362686U JP13362686U JPS6338710U JP S6338710 U JPS6338710 U JP S6338710U JP 13362686 U JP13362686 U JP 13362686U JP 13362686 U JP13362686 U JP 13362686U JP S6338710 U JPS6338710 U JP S6338710U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- valve
- switching valve
- hydraulic cylinder
- spring
- 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
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図はこの考案の一実施例を示すもので、第１図
は一部を断面せる一部の平面図、第２図は側面図
、第３図は正断面図である。
図中、符号１はリフトアーム、２は油圧シリン
ダー、３は切替バルブ、４は操作レバー、５はバ
ルブスプール、６はスプリングを示す。
The figures show one embodiment of this invention, in which FIG. 1 is a plan view partially cut away, FIG. 2 is a side view, and FIG. 3 is a front sectional view. In the figure, reference numeral 1 indicates a lift arm, 2 indicates a hydraulic cylinder, 3 indicates a switching valve, 4 indicates an operating lever, 5 indicates a valve spool, and 6 indicates a spring.
Claims (1)
２を昇降作動させる切替バルブ３本体の外側に、
操作レバー４によつてこの切替バルブ３の昇降切
替するバルブスプール５を、上昇切替側及び下降
切替側から中立位置にすべく弾発付勢するスプリ
ング６を設けてなるトラクターのリフトアーム作
動装置。 A switching valve 3 for lifting and lowering the hydraulic cylinder 2 linked to the lift arms 1, 1 is provided on the outside of the main body.
This tractor lift arm actuating device is provided with a spring 6 that springs and biases a valve spool 5, which is used to switch the switching valve 3 up and down, to a neutral position from the ascending switching side and the descending switching side using the operating lever 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13362686U JPS6338710U (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13362686U JPS6338710U (en) | 1986-08-29 | 1986-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338710U true JPS6338710U (en) | 1988-03-12 |
Family
ID=31034108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13362686U Pending JPS6338710U (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338710U (en) |
-
1986
- 1986-08-29 JP JP13362686U patent/JPS6338710U/ja active Pending