JPH0439877Y2 - - Google Patents
Info
- Publication number
- JPH0439877Y2 JPH0439877Y2 JP5420986U JP5420986U JPH0439877Y2 JP H0439877 Y2 JPH0439877 Y2 JP H0439877Y2 JP 5420986 U JP5420986 U JP 5420986U JP 5420986 U JP5420986 U JP 5420986U JP H0439877 Y2 JPH0439877 Y2 JP H0439877Y2
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- oil
- valve
- oil passage
- boom cylinder
- 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.)
- Expired
Links
- 230000007935 neutral effect Effects 0.000 description 7
- 230000035939 shock Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5420986U JPH0439877Y2 (en, 2012) | 1986-04-10 | 1986-04-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5420986U JPH0439877Y2 (en, 2012) | 1986-04-10 | 1986-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62169052U JPS62169052U (en, 2012) | 1987-10-27 |
JPH0439877Y2 true JPH0439877Y2 (en, 2012) | 1992-09-18 |
Family
ID=30880990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5420986U Expired JPH0439877Y2 (en, 2012) | 1986-04-10 | 1986-04-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0439877Y2 (en, 2012) |
-
1986
- 1986-04-10 JP JP5420986U patent/JPH0439877Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62169052U (en, 2012) | 1987-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2457980C (en) | Hydraulic control circuit for a hydraulic lifting cylinder | |
KR100228810B1 (ko) | 건축기기용 유압장치 | |
CN112105785A (zh) | 工程机械的液压驱动装置 | |
EP1045992B1 (en) | Control arrangement for a hydraulic motor | |
US6450081B1 (en) | Hydraulic system for controlling an attachment to a work machine such as thumb attachment used on an excavator | |
US7059237B2 (en) | Multiple-directional switching valve | |
JPH0439877Y2 (en, 2012) | ||
JP3037677B1 (ja) | 作業用機械の油圧制御回路 | |
JP2744140B2 (ja) | 作業車の油圧回路構造 | |
JP2579587Y2 (ja) | 建設機械の油圧回路 | |
JP2755423B2 (ja) | 油圧ショベルの油圧回路 | |
US4033468A (en) | Hydraulic boom-lift system with selective speeds | |
JPH0329397Y2 (en, 2012) | ||
US7210395B2 (en) | System for handling a tool at a vehicle | |
JP3007335B1 (ja) | 作業用機械の干渉回避制御装置 | |
KR200155594Y1 (ko) | 건설 중장비용 붐의 2단계 위치 제어장치 | |
JPH0645492Y2 (ja) | クラムシェル用シリンダ回路 | |
JP3849974B2 (ja) | 建設機械における干渉防止制御装置 | |
JPH0261579B2 (en, 2012) | ||
JP3163308B2 (ja) | 再生回路用弁装置 | |
JPS61119803A (ja) | 農用トラクタ−等の油圧回路における安全装置 | |
JP3531904B2 (ja) | 作業用機械の油圧制御回路 | |
JP2009024393A (ja) | 流体制御回路および作業機械 | |
JPH09189052A (ja) | 油圧ショベルに於けるブーム下げ油圧回路 | |
KR970003512B1 (ko) | 크레인용 아우토리거 자동잠금장치 |