JPS4939905A - - Google Patents
Info
- Publication number
- JPS4939905A JPS4939905A JP47085352A JP8535272A JPS4939905A JP S4939905 A JPS4939905 A JP S4939905A JP 47085352 A JP47085352 A JP 47085352A JP 8535272 A JP8535272 A JP 8535272A JP S4939905 A JPS4939905 A JP S4939905A
- 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
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/436—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like for keeping the dipper in the horizontal position, e.g. self-levelling
-
- 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
- E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/308—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
-
- 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
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47085352A JPS5233883B2 (ko) | 1972-08-28 | 1972-08-28 | |
US384299A US3927781A (en) | 1972-08-28 | 1973-07-31 | Excavator |
DE2342399A DE2342399C3 (de) | 1972-08-28 | 1973-08-22 | Löffelbagger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47085352A JPS5233883B2 (ko) | 1972-08-28 | 1972-08-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4939905A true JPS4939905A (ko) | 1974-04-15 |
JPS5233883B2 JPS5233883B2 (ko) | 1977-08-31 |
Family
ID=13856278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47085352A Expired JPS5233883B2 (ko) | 1972-08-28 | 1972-08-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3927781A (ko) |
JP (1) | JPS5233883B2 (ko) |
DE (1) | DE2342399C3 (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5230819A (en) * | 1975-09-04 | 1977-03-08 | Tatsuo Ookohara | Production of porous* lighttweight concrete board |
JPS52145002U (ko) * | 1976-04-28 | 1977-11-02 | ||
JPS52145905U (ko) * | 1976-04-30 | 1977-11-05 | ||
JPS5311801U (ko) * | 1976-07-13 | 1978-01-31 | ||
JPS53113103A (en) * | 1977-03-14 | 1978-10-03 | Mitsubishi Heavy Ind Ltd | Device for correcting tilt angle of bucket of excavator |
JPS53141702U (ko) * | 1977-04-13 | 1978-11-09 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6014817Y2 (ja) * | 1979-04-18 | 1985-05-11 | 株式会社小松製作所 | 掘削積込機の掘削積込装置 |
DE3020638C2 (de) * | 1979-05-31 | 1984-03-22 | Hitachi Construction Machinery Co. Ltd., Tokyo | Löffelbagger |
US4504185A (en) * | 1981-08-18 | 1985-03-12 | Hitachi Construction Machinery Co., Inc. | Hydraulic circuit of hydraulic power shovel |
US4775288A (en) * | 1986-10-03 | 1988-10-04 | Dynamic Industries, Inc. | High-lift loader |
US4986010A (en) * | 1989-03-13 | 1991-01-22 | Cartner Jack O | Sloper apparatus |
WO2002095142A1 (de) * | 2001-05-22 | 2002-11-28 | Liebherr-Werk Bischofshofen Gmbh | Radlader |
GB0416336D0 (en) * | 2004-07-22 | 2004-08-25 | Bamford Excavators Ltd | Method of operating a machine |
JP5143858B2 (ja) * | 2010-04-20 | 2013-02-13 | 住友重機械工業株式会社 | 建設機械 |
AU2018429655A1 (en) * | 2018-06-28 | 2021-02-18 | Tigercat Industries Inc. | Heavy equipment boom system and method and hydraulic circuit therefor |
US10676893B1 (en) * | 2019-09-10 | 2020-06-09 | Larry Irby Williams | Self-leveling front-end loader having a double boom with a dogleg bend of 105 to 135 degrees including an extension powered by hydraulic cylinders |
CN113338367B (zh) * | 2021-06-28 | 2022-01-11 | 徐工集团工程机械股份有限公司科技分公司 | 一种四连杆两油缸的滑移装载机单边动臂结构及提升方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3230717A (en) * | 1964-05-08 | 1966-01-25 | Alden Lars Anders Gustaf | Loading gear |
US3220581A (en) * | 1964-12-14 | 1965-11-30 | Case Co J I | Material handling equipment |
US3339763A (en) * | 1966-10-14 | 1967-09-05 | Univ Oklahoma State | Automatic back hoe control system |
US3465903A (en) * | 1967-08-11 | 1969-09-09 | Bucyrus Erie Co | Excavator shovel apparatus |
CS163734B2 (ko) * | 1968-04-18 | 1975-11-07 |
-
1972
- 1972-08-28 JP JP47085352A patent/JPS5233883B2/ja not_active Expired
-
1973
- 1973-07-31 US US384299A patent/US3927781A/en not_active Expired - Lifetime
- 1973-08-22 DE DE2342399A patent/DE2342399C3/de not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5230819A (en) * | 1975-09-04 | 1977-03-08 | Tatsuo Ookohara | Production of porous* lighttweight concrete board |
JPS52145002U (ko) * | 1976-04-28 | 1977-11-02 | ||
JPS52145905U (ko) * | 1976-04-30 | 1977-11-05 | ||
JPS5311801U (ko) * | 1976-07-13 | 1978-01-31 | ||
JPS5849268Y2 (ja) * | 1976-07-13 | 1983-11-10 | 株式会社神戸製鋼所 | 水平押出し可能な油圧式フエイスシヨベル |
JPS53113103A (en) * | 1977-03-14 | 1978-10-03 | Mitsubishi Heavy Ind Ltd | Device for correcting tilt angle of bucket of excavator |
JPS53141702U (ko) * | 1977-04-13 | 1978-11-09 | ||
JPS5736702Y2 (ko) * | 1977-04-13 | 1982-08-13 |
Also Published As
Publication number | Publication date |
---|---|
DE2342399B2 (de) | 1975-03-20 |
DE2342399A1 (de) | 1974-03-14 |
US3927781A (en) | 1975-12-23 |
JPS5233883B2 (ko) | 1977-08-31 |
DE2342399C3 (de) | 1975-10-30 |