GB621235A - Improvements in and relating to mechanical excavators - Google Patents

Improvements in and relating to mechanical excavators

Info

Publication number
GB621235A
GB621235A GB3788/47A GB378847A GB621235A GB 621235 A GB621235 A GB 621235A GB 3788/47 A GB3788/47 A GB 3788/47A GB 378847 A GB378847 A GB 378847A GB 621235 A GB621235 A GB 621235A
Authority
GB
United Kingdom
Prior art keywords
bucket
arm
disc
rope
faure
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
GB3788/47A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB621235A publication Critical patent/GB621235A/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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • 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
    • E02F3/407—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with ejecting or other unloading device
    • E02F3/4075—Dump doors; Control thereof
    • 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
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
GB3788/47A 1946-01-28 1947-02-08 Improvements in and relating to mechanical excavators Expired GB621235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR621235X 1946-01-28

Publications (1)

Publication Number Publication Date
GB621235A true GB621235A (en) 1949-04-06

Family

ID=8984971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3788/47A Expired GB621235A (en) 1946-01-28 1947-02-08 Improvements in and relating to mechanical excavators

Country Status (3)

Country Link
BE (1) BE470878A (fr)
FR (2) FR923241A (fr)
GB (1) GB621235A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108561A (en) * 1977-05-05 1978-08-22 Caterpillar Tractor Co. Apparatus for forcibly engaging machine assemblies
SE421984B (sv) * 1981-04-15 1982-02-15 Tunamatic Hb Kopplingsanordning for redskap till en traktor

Also Published As

Publication number Publication date
FR923241A (fr) 1947-07-01
FR62744E (fr) 1955-06-20
BE470878A (fr)

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