GB872303A - Improvements relating to trench excavators - Google Patents

Improvements relating to trench excavators

Info

Publication number
GB872303A
GB872303A GB785858A GB785858A GB872303A GB 872303 A GB872303 A GB 872303A GB 785858 A GB785858 A GB 785858A GB 785858 A GB785858 A GB 785858A GB 872303 A GB872303 A GB 872303A
Authority
GB
United Kingdom
Prior art keywords
pin
scoop
eye bolt
arm
excavator
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
GB785858A
Inventor
Norman Brocklebank
Frederick Desmond Farmery
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.)
Priestman Brothers Ltd
Original Assignee
Priestman Brothers 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
Priority to GB1358452A priority Critical patent/GB735116A/en
Application filed by Priestman Brothers Ltd filed Critical Priestman Brothers Ltd
Priority to GB785858A priority patent/GB872303A/en
Publication of GB872303A publication Critical patent/GB872303A/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
    • 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
    • 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)
  • Shovels (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

872,303. Shovel excavators. PRIESTMAN BROS. Ltd. June 9, 1959 [March 11, 1958], No. 7858/58. Addition to 735,116. Class 68(1). Rotation of a pivot 17, rotatably mounted in the sides of an excavator scoop to connect the scoop to an eye bolt of adjustable length positioned in the end of one of the arms 57 pivotally supporting the scoop from the boom of the excavator, causes oppositely threaded portions of the pin to move the serrated faces of nuts mounted on the threaded portions of the pin into or out of engagement with serrated faces on the end of the arm. Thus after the length of the eye bolt has been adjusted by the worm wheel drive in the arm 5 further adjustment is prevented by the nuts locking the pin to the eye bolt.
GB785858A 1958-03-11 1958-03-11 Improvements relating to trench excavators Expired GB872303A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1358452A GB735116A (en) 1958-03-11 1952-05-28 Improvements relating to trench excavators
GB785858A GB872303A (en) 1958-03-11 1958-03-11 Improvements relating to trench excavators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB785858A GB872303A (en) 1958-03-11 1958-03-11 Improvements relating to trench excavators

Publications (1)

Publication Number Publication Date
GB872303A true GB872303A (en) 1961-07-05

Family

ID=9841150

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1358452A Expired GB735116A (en) 1958-03-11 1952-05-28 Improvements relating to trench excavators
GB785858A Expired GB872303A (en) 1958-03-11 1958-03-11 Improvements relating to trench excavators

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1358452A Expired GB735116A (en) 1958-03-11 1952-05-28 Improvements relating to trench excavators

Country Status (1)

Country Link
GB (2) GB735116A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210395974A1 (en) 2018-10-29 2021-12-23 Mastenbroek Ltd Trenching apparatus and a method of trenching
GB2599079B (en) 2020-09-10 2024-01-10 Mastenbroek Ltd A backfill device for a trencher and a method of backfilling a trench

Also Published As

Publication number Publication date
GB735116A (en) 1955-08-17

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