DE1484776A1 - Vorrichtung an Grabmaschinen u.dgl. - Google Patents

Vorrichtung an Grabmaschinen u.dgl.

Info

Publication number
DE1484776A1
DE1484776A1 DE19631484776 DE1484776A DE1484776A1 DE 1484776 A1 DE1484776 A1 DE 1484776A1 DE 19631484776 DE19631484776 DE 19631484776 DE 1484776 A DE1484776 A DE 1484776A DE 1484776 A1 DE1484776 A1 DE 1484776A1
Authority
DE
Germany
Prior art keywords
boom
piston
cylinder
liquid
mechanisms
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.)
Withdrawn
Application number
DE19631484776
Other languages
German (de)
English (en)
Inventor
Jan Nilsen
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.)
SVENSKA HYMAS AB
Original Assignee
SVENSKA HYMAS AB
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 SVENSKA HYMAS AB filed Critical SVENSKA HYMAS AB
Publication of DE1484776A1 publication Critical patent/DE1484776A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • 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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19631484776 1963-01-25 1963-10-18 Vorrichtung an Grabmaschinen u.dgl. Withdrawn DE1484776A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE87263 1963-01-25

Publications (1)

Publication Number Publication Date
DE1484776A1 true DE1484776A1 (de) 1969-06-19

Family

ID=20257232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19631484776 Withdrawn DE1484776A1 (de) 1963-01-25 1963-10-18 Vorrichtung an Grabmaschinen u.dgl.

Country Status (3)

Country Link
DE (1) DE1484776A1 (enrdf_load_stackoverflow)
DK (1) DK111950B (enrdf_load_stackoverflow)
GB (1) GB1054938A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB1054938A (enrdf_load_stackoverflow)
DK111950B (da) 1968-10-21

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee