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
Application number
JP47085352A
Other languages
Japanese (ja)
Other versions
JPS5233883B2 (enrdf_load_stackoverflow
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP47085352A priority Critical patent/JPS5233883B2/ja
Priority to US384299A priority patent/US3927781A/en
Priority to DE2342399A priority patent/DE2342399C3/de
Publication of JPS4939905A publication Critical patent/JPS4939905A/ja
Publication of JPS5233883B2 publication Critical patent/JPS5233883B2/ja
Expired legal-status Critical Current

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)
JP47085352A 1972-08-28 1972-08-28 Expired JPS5233883B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP47085352A JPS5233883B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow) 1972-08-28 1972-08-28

Publications (2)

Publication Number Publication Date
JPS4939905A true JPS4939905A (enrdf_load_stackoverflow) 1974-04-15
JPS5233883B2 JPS5233883B2 (enrdf_load_stackoverflow) 1977-08-31

Family

ID=13856278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47085352A Expired JPS5233883B2 (enrdf_load_stackoverflow) 1972-08-28 1972-08-28

Country Status (3)

Country Link
US (1) US3927781A (enrdf_load_stackoverflow)
JP (1) JPS5233883B2 (enrdf_load_stackoverflow)
DE (1) DE2342399C3 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1976-04-28 1977-11-02
JPS52145905U (enrdf_load_stackoverflow) * 1976-04-30 1977-11-05
JPS5311801U (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1977-04-13 1978-11-09

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
CN1246539C (zh) * 2001-05-22 2006-03-22 利布赫尔工厂比绍夫斯霍芬有限责任公司 轮式装载机
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
WO2020000078A1 (en) * 2018-06-28 2020-01-02 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)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1968-04-18 1975-11-07

Cited By (6)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1976-04-28 1977-11-02
JPS52145905U (enrdf_load_stackoverflow) * 1976-04-30 1977-11-05
JPS5311801U (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1977-04-13 1978-11-09

Also Published As

Publication number Publication date
JPS5233883B2 (enrdf_load_stackoverflow) 1977-08-31
US3927781A (en) 1975-12-23
DE2342399A1 (de) 1974-03-14
DE2342399B2 (de) 1975-03-20
DE2342399C3 (de) 1975-10-30

Similar Documents

Publication Publication Date Title
FR2175468A5 (enrdf_load_stackoverflow)
JPS5233883B2 (enrdf_load_stackoverflow)
CS161984B2 (enrdf_load_stackoverflow)
CS163438B1 (enrdf_load_stackoverflow)
FR2195830B1 (enrdf_load_stackoverflow)
JPS5637777Y2 (enrdf_load_stackoverflow)
JPS5443096B2 (enrdf_load_stackoverflow)
JPS5135200B2 (enrdf_load_stackoverflow)
JPS4884663A (enrdf_load_stackoverflow)
CS157405B1 (enrdf_load_stackoverflow)
CS153963B1 (enrdf_load_stackoverflow)
CS160830B1 (enrdf_load_stackoverflow)
CS157569B1 (enrdf_load_stackoverflow)
CS156331B1 (enrdf_load_stackoverflow)
JPS48105626U (enrdf_load_stackoverflow)
JPS48105540U (enrdf_load_stackoverflow)
CS156370B1 (enrdf_load_stackoverflow)
CS159086B1 (enrdf_load_stackoverflow)
JPS4889528U (enrdf_load_stackoverflow)
JPS4892851A (enrdf_load_stackoverflow)
JPS4893761U (enrdf_load_stackoverflow)
CS160888B1 (enrdf_load_stackoverflow)
CS160332B1 (enrdf_load_stackoverflow)
JPS4956043A (enrdf_load_stackoverflow)
CH1882772A4 (enrdf_load_stackoverflow)