FR1155754A - Clamshell mining machine with telescopic mast - Google Patents

Clamshell mining machine with telescopic mast

Info

Publication number
FR1155754A
FR1155754A FR1155754DA FR1155754A FR 1155754 A FR1155754 A FR 1155754A FR 1155754D A FR1155754D A FR 1155754DA FR 1155754 A FR1155754 A FR 1155754A
Authority
FR
France
Prior art keywords
clamshell
mining machine
telescopic mast
mast
telescopic
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
Other languages
French (fr)
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.)
Shaft Machines Ltd
Original Assignee
Shaft Machines Ltd
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 Shaft Machines Ltd filed Critical Shaft Machines Ltd
Application granted granted Critical
Publication of FR1155754A publication Critical patent/FR1155754A/en
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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4136—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted on a slidable or telescopic boom or arm
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E21D1/04—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with grabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR1155754D 1955-08-17 1956-08-13 Clamshell mining machine with telescopic mast Expired FR1155754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA1155754X 1955-08-17

Publications (1)

Publication Number Publication Date
FR1155754A true FR1155754A (en) 1958-05-08

Family

ID=4173556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155754D Expired FR1155754A (en) 1955-08-17 1956-08-13 Clamshell mining machine with telescopic mast

Country Status (1)

Country Link
FR (1) FR1155754A (en)

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