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GB180785A - Improvements relating to power navvies and the like - Google Patents

Improvements relating to power navvies and the like

Info

Publication number
GB180785A
GB180785A GB790421A GB790421A GB180785A GB 180785 A GB180785 A GB 180785A GB 790421 A GB790421 A GB 790421A GB 790421 A GB790421 A GB 790421A GB 180785 A GB180785 A GB 180785A
Authority
GB
United Kingdom
Prior art keywords
cutters
power
navvies
bucket
improvements relating
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
GB790421A
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.)
THOMAS SWINBURNE BLYTHE
Original Assignee
THOMAS SWINBURNE BLYTHE
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 THOMAS SWINBURNE BLYTHE filed Critical THOMAS SWINBURNE BLYTHE
Priority to GB790421A priority Critical patent/GB180785A/en
Publication of GB180785A publication Critical patent/GB180785A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
    • E21C47/10—Machines for obtaining or the removal of materials in open-pit mines for quarrying stone, sand, gravel, or clay

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Shovels (AREA)

Abstract

180,785. Blythe, T. S. March 12, 1921. Scoop-arm machines.-In a power navvy, cutters c with an upright edge d and a curved edge e project upwardly from the mouthpiece a of the bucket. The cutters may have an aperture j and are riveted to angle-irons g and to the bucket. Cutters k may be provided projecting downwardly from the bucket and placed between the cutters c; the cutters k may be formed like the cutters c.
GB790421A 1921-03-12 1921-03-12 Improvements relating to power navvies and the like Expired GB180785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB790421A GB180785A (en) 1921-03-12 1921-03-12 Improvements relating to power navvies and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB790421A GB180785A (en) 1921-03-12 1921-03-12 Improvements relating to power navvies and the like

Publications (1)

Publication Number Publication Date
GB180785A true GB180785A (en) 1922-06-08

Family

ID=9842019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB790421A Expired GB180785A (en) 1921-03-12 1921-03-12 Improvements relating to power navvies and the like

Country Status (1)

Country Link
GB (1) GB180785A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611598A (en) * 1949-06-01 1952-09-23 Loyd H Adams Road maintenance machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611598A (en) * 1949-06-01 1952-09-23 Loyd H Adams Road maintenance machine

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