JPS5226311B2 - - Google Patents
Info
- Publication number
- JPS5226311B2 JPS5226311B2 JP9429973A JP9429973A JPS5226311B2 JP S5226311 B2 JPS5226311 B2 JP S5226311B2 JP 9429973 A JP9429973 A JP 9429973A JP 9429973 A JP9429973 A JP 9429973A JP S5226311 B2 JPS5226311 B2 JP S5226311B2
- Authority
- JP
- Japan
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
- E02F3/382—Connections to the frame; Supports for booms or arms
- E02F3/386—Connections to the frame; Supports for booms or arms the boom being laterally shiftable relative to the frame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7876—With external means for opposing bias
- Y10T137/7877—With means for retaining external means in bias opposing position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
- Operation Control Of Excavators (AREA)
- Earth Drilling (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9429973A JPS5226311B2 (US08188275-20120529-C00054.png) | 1973-08-24 | 1973-08-24 | |
| US05/492,845 US3980000A (en) | 1973-08-24 | 1974-07-29 | Control system for a hydraulic clamping device |
| DE2436942A DE2436942C2 (de) | 1973-08-24 | 1974-07-31 | Steuerventilvorrichtung für einen hydraulischen Spannzylinder |
| GB3467674A GB1436649A (en) | 1973-08-24 | 1974-08-06 | Control sysem for a hydraulic clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9429973A JPS5226311B2 (US08188275-20120529-C00054.png) | 1973-08-24 | 1973-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5044384A JPS5044384A (US08188275-20120529-C00054.png) | 1975-04-21 |
| JPS5226311B2 true JPS5226311B2 (US08188275-20120529-C00054.png) | 1977-07-13 |
Family
ID=14106377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9429973A Expired JPS5226311B2 (US08188275-20120529-C00054.png) | 1973-08-24 | 1973-08-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3980000A (US08188275-20120529-C00054.png) |
| JP (1) | JPS5226311B2 (US08188275-20120529-C00054.png) |
| DE (1) | DE2436942C2 (US08188275-20120529-C00054.png) |
| GB (1) | GB1436649A (US08188275-20120529-C00054.png) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1560985A (en) * | 1975-09-03 | 1980-02-13 | Massey Ferguson Perkins Ltd | Clamping devices for backhoes |
| US4088151A (en) * | 1976-05-26 | 1978-05-09 | Borg-Warner Corporation | Cylinder locking apparatus |
| US4102250A (en) * | 1976-08-16 | 1978-07-25 | Caterpillar Tractor Co. | Load check and bypass valve |
| US4084644A (en) * | 1976-09-17 | 1978-04-18 | Caterpillar Tractor Co. | Motor grader or the like with hydraulic control system for circle gear |
| DE2735558A1 (de) * | 1977-08-06 | 1979-02-15 | Bosch Gmbh Robert | Steuergeraet fuer hydraulische arbeitsgeraete |
| DE2735559C2 (de) * | 1977-08-06 | 1986-10-30 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrohydraulisches Steuergerät für ein hydraulisch angetriebenes Arbeitsgerät |
| DE2816212A1 (de) * | 1978-04-14 | 1979-10-25 | Bosch Gmbh Robert | Steuergeraet fuer ein hydraulisches arbeitsgeraet |
| US4283996A (en) * | 1979-03-12 | 1981-08-18 | The Cessna Aircraft Company | Header height valve |
| JPS57500347A (US08188275-20120529-C00054.png) * | 1980-03-24 | 1982-02-25 | ||
| US4489644A (en) * | 1981-08-06 | 1984-12-25 | Toshiba Kikai Kabushiki Kaisha | Multiple control valves |
| US4741663A (en) * | 1986-10-29 | 1988-05-03 | Deere & Company | Locking and sliding system |
| JP3778634B2 (ja) | 1996-11-22 | 2006-05-24 | Ｓｍｃ株式会社 | パイロットチェック弁付スピードコントローラ |
| US6868772B2 (en) * | 2002-10-08 | 2005-03-22 | Imi Norgren, Inc. | Fluid control valve |
| JP4454967B2 (ja) * | 2003-06-12 | 2010-04-21 | ナブテスコ株式会社 | 分流機構及びその弁装置 |
| JP2007263142A (ja) * | 2006-03-27 | 2007-10-11 | Toyota Industries Corp | 油圧制御装置 |
| JP5283862B2 (ja) * | 2007-06-05 | 2013-09-04 | 三陽機器株式会社 | 油圧制御装置 |
| KR101500744B1 (ko) * | 2008-11-19 | 2015-03-09 | 두산인프라코어 주식회사 | 건설기계의 붐 실린더 제어회로 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA632201A (en) * | 1961-12-05 | Bendix Aviation Corporation | Selector valve with snubbing action | |
| US2515395A (en) * | 1945-02-05 | 1950-07-18 | Deere & Co | Hydraulic mechanism |
| US2547861A (en) * | 1949-10-26 | 1951-04-03 | Deere Mfg Co | Variable position control for hydraulic systems |
| US3030929A (en) * | 1960-06-16 | 1962-04-24 | Webster Electric Co Inc | Four way valve with pilot operated check valve |
| US3088489A (en) * | 1960-08-22 | 1963-05-07 | Parker Hannifin Corp | Detent release for flow control valves |
| GB1136241A (en) * | 1965-01-20 | 1968-12-11 | Massey Ferguson Perkins Ltd | Hydraulic control systems |
| US3397620A (en) * | 1966-10-06 | 1968-08-20 | Milwaukee Cylinder Corp | Fluid actuator with annular piston locking means |
| US3429550A (en) * | 1967-05-03 | 1969-02-25 | M & J Valve Co | Valve equipment with hydraulic operator |
| FR2041869A5 (US08188275-20120529-C00054.png) * | 1969-04-15 | 1971-02-05 | Deere John Cie Francaise | |
| US3620129A (en) * | 1970-07-15 | 1971-11-16 | Gen Signal Corp | Hydraulic power circuit with emergency lowering provisions |
| US3792640A (en) * | 1970-09-14 | 1974-02-19 | Int Harvester Co | Automatic bucket positioning device |
| DE2138986C3 (de) * | 1971-08-04 | 1978-09-07 | G.L. Rexroth Gmbh, 8770 Lohr | Steuerventileinrichtung für mehrere hydraulische Antriebe |
-
1973
- 1973-08-24 JP JP9429973A patent/JPS5226311B2/ja not_active Expired
-
1974
- 1974-07-29 US US05/492,845 patent/US3980000A/en not_active Expired - Lifetime
- 1974-07-31 DE DE2436942A patent/DE2436942C2/de not_active Expired
- 1974-08-06 GB GB3467674A patent/GB1436649A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2436942A1 (de) | 1975-03-20 |
| GB1436649A (en) | 1976-05-19 |
| DE2436942C2 (de) | 1982-12-09 |
| US3980000A (en) | 1976-09-14 |
| JPS5044384A (US08188275-20120529-C00054.png) | 1975-04-21 |
