GB721761A - Improvements relating to trench digging equipment - Google Patents

Improvements relating to trench digging equipment

Info

Publication number
GB721761A
GB721761A GB290852A GB290852A GB721761A GB 721761 A GB721761 A GB 721761A GB 290852 A GB290852 A GB 290852A GB 290852 A GB290852 A GB 290852A GB 721761 A GB721761 A GB 721761A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
trench digging
digging equipment
temporary
equipment
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
GB290852A
Inventor
Percival James Packman
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.)
Packman Machinery Ltd
Original Assignee
Packman Machinery 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 Packman Machinery Ltd filed Critical Packman Machinery Ltd
Priority to GB290852A priority Critical patent/GB721761A/en
Publication of GB721761A publication Critical patent/GB721761A/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
    • E02F3/30—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
    • E02F3/307—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 the boom and the dipper-arm being connected so as to permit relative movement in more than one plane
    • 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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/022—Travelling-gear, e.g. associated with slewing gears for moving on rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

721,761. Temporary roads. PACKMAN MACHINERY, Ltd. April 27, 1953 [Feb. 4, 1952], No. 2908/52. Class 107. [Also in Group XXI] Pivotally-connected sections 18 of temporary track are provided for a tractor to move on.
GB290852A 1952-02-04 1952-02-04 Improvements relating to trench digging equipment Expired GB721761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB290852A GB721761A (en) 1952-02-04 1952-02-04 Improvements relating to trench digging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB290852A GB721761A (en) 1952-02-04 1952-02-04 Improvements relating to trench digging equipment

Publications (1)

Publication Number Publication Date
GB721761A true GB721761A (en) 1955-01-12

Family

ID=9748328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB290852A Expired GB721761A (en) 1952-02-04 1952-02-04 Improvements relating to trench digging equipment

Country Status (1)

Country Link
GB (1) GB721761A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000120A (en) * 1957-05-14 1961-09-19 Teichert & Son Inc A Canal excavating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000120A (en) * 1957-05-14 1961-09-19 Teichert & Son Inc A Canal excavating apparatus

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