ES446166A1 - Aparato para controlar la oscilacion del brazo de una pala retroexcavadora o similar. - Google Patents

Aparato para controlar la oscilacion del brazo de una pala retroexcavadora o similar.

Info

Publication number
ES446166A1
ES446166A1 ES446166A ES446166A ES446166A1 ES 446166 A1 ES446166 A1 ES 446166A1 ES 446166 A ES446166 A ES 446166A ES 446166 A ES446166 A ES 446166A ES 446166 A1 ES446166 A1 ES 446166A1
Authority
ES
Spain
Prior art keywords
pipes
flow
oscillating
fluid
valve
Prior art date
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
Application number
ES446166A
Other languages
English (en)
Spanish (es)
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.)
Massey Ferguson Inc
Original Assignee
Massey Ferguson 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
Priority claimed from US05/559,271 external-priority patent/US4007845A/en
Application filed by Massey Ferguson Inc filed Critical Massey Ferguson Inc
Publication of ES446166A1 publication Critical patent/ES446166A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • 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
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
ES446166A 1975-03-17 1976-03-17 Aparato para controlar la oscilacion del brazo de una pala retroexcavadora o similar. Expired ES446166A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/559,271 US4007845A (en) 1975-03-17 1975-03-17 Swing mechanism
US05/654,675 US4065010A (en) 1975-03-17 1976-02-02 Swing valve circuit

Publications (1)

Publication Number Publication Date
ES446166A1 true ES446166A1 (es) 1977-09-01

Family

ID=27072017

Family Applications (1)

Application Number Title Priority Date Filing Date
ES446166A Expired ES446166A1 (es) 1975-03-17 1976-03-17 Aparato para controlar la oscilacion del brazo de una pala retroexcavadora o similar.

Country Status (10)

Country Link
JP (1) JPS51117401A (en:Method)
AR (1) AR209637A1 (en:Method)
AU (1) AU502182B2 (en:Method)
BR (1) BR7601627A (en:Method)
CA (1) CA1032900A (en:Method)
DE (1) DE2611085A1 (en:Method)
ES (1) ES446166A1 (en:Method)
FR (1) FR2304801A1 (en:Method)
GB (1) GB1546252A (en:Method)
IT (1) IT1062892B (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395412A1 (fr) * 1977-06-23 1979-01-19 Poclain Sa Dispositif d'arret automatique de la rotation d'un moteur hydraulique
US4240327A (en) * 1978-05-30 1980-12-23 Harris Corporation Fluid operated linear actuator control system
EP0096329A3 (en) * 1982-06-03 1985-05-15 Wind Ship Development Corporation Sail support and control system
DE3600816A1 (de) * 1986-01-14 1987-07-16 Mak Maschinenbau Krupp Schwenkwerk mit zwei separaten zylinder-kurbeltrieben als antrieb
FR2686766B1 (fr) * 1992-02-05 1996-06-14 Huard Sa Charrue reversible semi-portee.
FR2699041B1 (fr) * 1992-12-11 1995-02-17 Huard Sa Machine agricole de travail du sol avec un dispositif de retournement perfectionné.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954011A (en) * 1959-06-25 1960-09-27 Cessna Aircraft Co Pressure fluid control system and valve
US3047171A (en) * 1959-10-12 1962-07-31 Case Co J I Swing mechanism for backhoe
FR1373545A (fr) * 1963-01-25 1964-09-25 Svenska Hymas Ab Perfectionnements aux excavateurs et appareils analogues
CA924997A (en) * 1969-01-28 1973-04-24 F. Sardiga Ronald Swinging apparatus
US3872985A (en) * 1970-02-24 1975-03-25 J C Case Company Hydraulic control valve circuit
SE363368B (en:Method) * 1972-05-31 1974-01-14 Volvo Bm

Also Published As

Publication number Publication date
AR209637A1 (es) 1977-05-13
FR2304801B1 (en:Method) 1981-09-11
JPS51117401A (en) 1976-10-15
AU1170876A (en) 1977-09-08
CA1032900A (en) 1978-06-13
GB1546252A (en) 1979-05-23
BR7601627A (pt) 1976-09-14
DE2611085A1 (de) 1976-10-07
AU502182B2 (en) 1979-07-19
IT1062892B (it) 1985-02-11
FR2304801A1 (fr) 1976-10-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202