JPS4921901A - - Google Patents
Info
- Publication number
- JPS4921901A JPS4921901A JP48041217A JP4121773A JPS4921901A JP S4921901 A JPS4921901 A JP S4921901A JP 48041217 A JP48041217 A JP 48041217A JP 4121773 A JP4121773 A JP 4121773A JP S4921901 A JPS4921901 A JP S4921901A
- 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.)
- Granted
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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24964172A | 1972-05-02 | 1972-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921901A true JPS4921901A (en:Method) | 1974-02-26 |
| JPS5736375B2 JPS5736375B2 (en:Method) | 1982-08-03 |
Family
ID=22944373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4121773A Expired JPS5736375B2 (en:Method) | 1972-05-02 | 1973-04-11 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3794199A (en:Method) |
| JP (1) | JPS5736375B2 (en:Method) |
| AU (1) | AU451239B2 (en:Method) |
| CA (1) | CA963354A (en:Method) |
| GB (1) | GB1426358A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4928360A (en:Method) * | 1972-07-05 | 1974-03-13 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372729A (en) * | 1980-07-21 | 1983-02-08 | Veda, Inc. | Tilt control |
| US4844685A (en) * | 1986-09-03 | 1989-07-04 | Clark Equipment Company | Electronic bucket positioning and control system |
| US5501570A (en) * | 1994-01-21 | 1996-03-26 | Case Corporation | Anti-rollback mechanism for a loader mechanism of an off-highway implement |
| CN102619241B (zh) * | 2012-01-12 | 2014-06-25 | 广西大学 | 一种空间可控机构式装载机 |
| CN103046590A (zh) * | 2013-01-30 | 2013-04-17 | 江苏柳工机械有限公司 | 一种装载机工作液压系统的控制方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3521781A (en) * | 1968-09-26 | 1970-07-28 | Case Co J I | Anti-rollback mechanism |
| US3568869A (en) * | 1969-01-09 | 1971-03-09 | Case Co J I | Antirollback mechanism |
| US3695474A (en) * | 1970-08-05 | 1972-10-03 | Case Co J I | Hydraulic control linkage for implement |
-
1972
- 1972-05-02 US US00249641A patent/US3794199A/en not_active Expired - Lifetime
- 1972-11-14 CA CA156,372A patent/CA963354A/en not_active Expired
- 1972-12-28 AU AU50526/72A patent/AU451239B2/en not_active Expired
-
1973
- 1973-04-11 JP JP4121773A patent/JPS5736375B2/ja not_active Expired
- 1973-04-25 GB GB1963573A patent/GB1426358A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4928360A (en:Method) * | 1972-07-05 | 1974-03-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA963354A (en) | 1975-02-25 |
| DE2322094B2 (de) | 1976-05-26 |
| GB1426358A (en) | 1976-02-25 |
| AU451239B2 (en) | 1974-07-15 |
| DE2322094A1 (de) | 1973-11-08 |
| JPS5736375B2 (en:Method) | 1982-08-03 |
| US3794199A (en) | 1974-02-26 |
| AU5052672A (en) | 1974-07-04 |