GB1232798A - - Google Patents

Info

Publication number
GB1232798A
GB1232798A GB1232798DA GB1232798A GB 1232798 A GB1232798 A GB 1232798A GB 1232798D A GB1232798D A GB 1232798DA GB 1232798 A GB1232798 A GB 1232798A
Authority
GB
United Kingdom
Prior art keywords
jaws
plates
july
sets
jaw
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
English (en)
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 filed Critical
Publication of GB1232798A publication Critical patent/GB1232798A/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
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
GB1232798D 1968-07-05 1968-07-05 Expired GB1232798A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3221468 1968-07-05

Publications (1)

Publication Number Publication Date
GB1232798A true GB1232798A (enrdf_load_stackoverflow) 1971-05-19

Family

ID=10335089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232798D Expired GB1232798A (enrdf_load_stackoverflow) 1968-07-05 1968-07-05

Country Status (1)

Country Link
GB (1) GB1232798A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148240A (en) * 1983-09-21 1985-05-30 Caledonian Mining Co Ltd Grabs
GB2313996A (en) * 1996-06-13 1997-12-17 Michael Flannagan Digging apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148240A (en) * 1983-09-21 1985-05-30 Caledonian Mining Co Ltd Grabs
GB2313996A (en) * 1996-06-13 1997-12-17 Michael Flannagan Digging apparatus

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees