FR2142900A1 - - Google Patents

Info

Publication number
FR2142900A1
FR2142900A1 FR7144441A FR7144441A FR2142900A1 FR 2142900 A1 FR2142900 A1 FR 2142900A1 FR 7144441 A FR7144441 A FR 7144441A FR 7144441 A FR7144441 A FR 7144441A FR 2142900 A1 FR2142900 A1 FR 2142900A1
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
FR7144441A
Other languages
French (fr)
Other versions
FR2142900B1 (en
Inventor
D A Knutson
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.)
Enerpac Tool Group Corp
Original Assignee
Applied Power Industries Inc
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 by Applied Power Industries Inc filed Critical Applied Power Industries Inc
Publication of FR2142900A1 publication Critical patent/FR2142900A1/fr
Application granted granted Critical
Publication of FR2142900B1 publication Critical patent/FR2142900B1/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
    • E02F3/30—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
    • E02F3/32—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 downwardly and towards the machine, e.g. with backhoes
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/10—Special arrangements for operating the actuated device with or without using fluid pressure, e.g. for emergency use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/16—Systems essentially having two or more interacting servomotors, e.g. multi-stage
FR7144441A 1971-06-25 1971-12-10 Expired FR2142900B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15662071A 1971-06-25 1971-06-25

Publications (2)

Publication Number Publication Date
FR2142900A1 true FR2142900A1 (en) 1973-02-02
FR2142900B1 FR2142900B1 (en) 1975-08-29

Family

ID=22560327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144441A Expired FR2142900B1 (en) 1971-06-25 1971-12-10

Country Status (9)

Country Link
AU (1) AU3641271A (en)
CA (1) CA951224A (en)
CH (1) CH536962A (en)
DE (1) DE2230897A1 (en)
FR (1) FR2142900B1 (en)
GB (1) GB1383779A (en)
IT (1) IT945199B (en)
NL (1) NL7116950A (en)
SE (1) SE373415B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049014A1 (en) * 2016-03-17 2017-09-22 Agram REMOTE CONTROL OF HYDRAULIC EQUIPMENT

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239596A1 (en) * 1982-10-26 1984-05-03 Alho, Harry, 78053 Nas PRESSURE CONTROLLED TOOL
US4526201A (en) * 1982-11-04 1985-07-02 Spectra-Physics, Inc. Four-way valve with internal pilot
DE68913412T2 (en) * 1988-09-08 1994-09-29 Caterpillar Inc Intuitive control lever for an implement.
US5002454A (en) * 1988-09-08 1991-03-26 Caterpillar Inc. Intuitive joystick control for a work implement
DE69004287T2 (en) * 1989-02-16 1994-02-24 Kubota Kk Hydraulic pipe arrangement for a backhoe.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049014A1 (en) * 2016-03-17 2017-09-22 Agram REMOTE CONTROL OF HYDRAULIC EQUIPMENT

Also Published As

Publication number Publication date
CA951224A (en) 1974-07-16
DE2230897A1 (en) 1972-12-28
GB1383779A (en) 1974-02-12
CH536962A (en) 1973-05-15
IT945199B (en) 1973-05-10
NL7116950A (en) 1972-12-28
AU3641271A (en) 1973-06-07
FR2142900B1 (en) 1975-08-29
SE373415B (en) 1975-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse