JPS5749689B2 - - Google Patents
Info
- Publication number
- JPS5749689B2 JPS5749689B2 JP48044001A JP4400173A JPS5749689B2 JP S5749689 B2 JPS5749689 B2 JP S5749689B2 JP 48044001 A JP48044001 A JP 48044001A JP 4400173 A JP4400173 A JP 4400173A JP S5749689 B2 JPS5749689 B2 JP S5749689B2
- 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
- E02F3/42—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)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24960472A | 1972-05-02 | 1972-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921902A JPS4921902A (en)van) | 1974-02-26 |
| JPS5749689B2 true JPS5749689B2 (en)van) | 1982-10-23 |
Family
ID=22944210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48044001A Expired JPS5749689B2 (en)van) | 1972-05-02 | 1973-04-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3792792A (en)van) |
| JP (1) | JPS5749689B2 (en)van) |
| CA (1) | CA968254A (en)van) |
| FR (1) | FR2183004B1 (en)van) |
| GB (1) | GB1426357A (en)van) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372729A (en) * | 1980-07-21 | 1983-02-08 | Veda, Inc. | Tilt control |
| US4452559A (en) * | 1982-09-03 | 1984-06-05 | J.I. Case Company | Attachment assembly for bellcrank arm |
| GB8510145D0 (en) * | 1985-04-20 | 1985-05-30 | Kombilift Ltd | Load lifting apparatus |
| JPH04127091U (ja) * | 1991-05-10 | 1992-11-19 | 三菱重工業株式会社 | 船内溶接部検査装置 |
| US10047502B2 (en) * | 2015-12-10 | 2018-08-14 | Caterpillar Inc. | System and method for controlling a work implement of a machine |
| WO2020172679A1 (en) | 2019-02-22 | 2020-08-27 | Clark Equipment Company | Hydraulic leveling circuit for power machines |
| CN112482462B (zh) * | 2020-11-16 | 2022-05-27 | 广西柳工机械股份有限公司 | 装载机铲装准备控制方法和系统 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731162A (en) * | 1953-11-19 | 1956-01-17 | Superior Separator Company | Loader with self-leveling carrier |
| US2883077A (en) * | 1956-02-23 | 1959-04-21 | John S Pilch | Bucket control for loader or the like |
| GB783846A (en) * | 1956-05-22 | 1957-10-02 | Max Knobel | Improved bucket scoop loader |
| US3009590A (en) * | 1957-05-29 | 1961-11-21 | Hough Co Frank | Tractor loader |
| US2914202A (en) * | 1957-09-16 | 1959-11-24 | Mixermobile Manufacturers Inc | Loader vehicle |
| US3032215A (en) * | 1958-08-29 | 1962-05-01 | Deere & Co | Loader bucket leveling control |
| DE1100555B (de) * | 1958-10-16 | 1961-02-23 | Meiller Fahrzeuge | Hydraulische Steuervorrichtung zum Parallelhalten der Ladeschaufel von UEberkopfladern |
| US3120314A (en) * | 1960-10-11 | 1964-02-04 | Massey Ferguson Inc | Self-leveling valve attachment for loaders |
| US3179120A (en) * | 1963-05-24 | 1965-04-20 | Koehring Co | Proportional flow divider |
| SE322469B (en)van) * | 1968-06-06 | 1970-04-06 | Ilsbo Ind Ab | |
| 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 US00249604A patent/US3792792A/en not_active Expired - Lifetime
- 1972-11-14 CA CA156,371A patent/CA968254A/en not_active Expired
-
1973
- 1973-04-18 JP JP48044001A patent/JPS5749689B2/ja not_active Expired
- 1973-04-24 FR FR7314775A patent/FR2183004B1/fr not_active Expired
- 1973-04-25 GB GB1963473A patent/GB1426357A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA968254A (en) | 1975-05-27 |
| GB1426357A (en) | 1976-02-25 |
| FR2183004B1 (en)van) | 1978-06-23 |
| FR2183004A1 (en)van) | 1973-12-14 |
| JPS4921902A (en)van) | 1974-02-26 |
| US3792792A (en) | 1974-02-19 |