FR2197092A1 - - Google Patents

Info

Publication number
FR2197092A1
FR2197092A1 FR7330586A FR7330586A FR2197092A1 FR 2197092 A1 FR2197092 A1 FR 2197092A1 FR 7330586 A FR7330586 A FR 7330586A FR 7330586 A FR7330586 A FR 7330586A FR 2197092 A1 FR2197092 A1 FR 2197092A1
Authority
FR
France
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
FR7330586A
Other languages
French (fr)
Other versions
FR2197092B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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
Priority claimed from US283621A external-priority patent/US3862697A/en
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2197092A1 publication Critical patent/FR2197092A1/fr
Application granted granted Critical
Publication of FR2197092B1 publication Critical patent/FR2197092B1/fr
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
    • 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)
FR7330586A 1972-08-24 1973-08-23 Expired FR2197092B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US283621A US3862697A (en) 1972-08-24 1972-08-24 Front loading hydraulic excavator
US52220474A 1974-11-08 1974-11-08

Publications (2)

Publication Number Publication Date
FR2197092A1 true FR2197092A1 (enrdf_load_stackoverflow) 1974-03-22
FR2197092B1 FR2197092B1 (enrdf_load_stackoverflow) 1980-07-25

Family

ID=26962155

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7330586A Expired FR2197092B1 (enrdf_load_stackoverflow) 1972-08-24 1973-08-23
FR7533231A Granted FR2290540A2 (fr) 1972-08-24 1975-10-30 Pelle mecanique a commandes hydrauliques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7533231A Granted FR2290540A2 (fr) 1972-08-24 1975-10-30 Pelle mecanique a commandes hydrauliques

Country Status (1)

Country Link
FR (2) FR2197092B1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454484A1 (fr) * 1979-04-18 1980-11-14 Komatsu Mfg Co Ltd Perfectionnements apportes aux commandes hydrauliques d'excavateurs
FR2472633A1 (fr) * 1979-05-31 1981-07-03 Hitachi Construction Machinery Excavateur a commande hydraulique monte sur un organe de deplacement
FR2483486A1 (fr) * 1980-05-28 1981-12-04 Poclain Sa Engin de terrassement du type chargeuse

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503214A2 (fr) 1980-05-28 1982-10-08 Poclain Sa Engin de terrassement du type chargeuse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454484A1 (fr) * 1979-04-18 1980-11-14 Komatsu Mfg Co Ltd Perfectionnements apportes aux commandes hydrauliques d'excavateurs
FR2472633A1 (fr) * 1979-05-31 1981-07-03 Hitachi Construction Machinery Excavateur a commande hydraulique monte sur un organe de deplacement
FR2483486A1 (fr) * 1980-05-28 1981-12-04 Poclain Sa Engin de terrassement du type chargeuse

Also Published As

Publication number Publication date
FR2197092B1 (enrdf_load_stackoverflow) 1980-07-25
FR2290540B2 (enrdf_load_stackoverflow) 1982-06-25
FR2290540A2 (fr) 1976-06-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse