GB1530622A - Excavating apparatus - Google Patents

Excavating apparatus

Info

Publication number
GB1530622A
GB1530622A GB40047/75A GB4004775A GB1530622A GB 1530622 A GB1530622 A GB 1530622A GB 40047/75 A GB40047/75 A GB 40047/75A GB 4004775 A GB4004775 A GB 4004775A GB 1530622 A GB1530622 A GB 1530622A
Authority
GB
United Kingdom
Prior art keywords
boom
excavating apparatus
sept
impact
housing
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
GB40047/75A
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 claimed from JP11141074A external-priority patent/JPS5138704A/en
Priority claimed from JP11140874A external-priority patent/JPS5138702A/en
Priority claimed from JP11140974A external-priority patent/JPS5138703A/en
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of GB1530622A publication Critical patent/GB1530622A/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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

1530622 Excavating apparatus KOMATSU SEISAKUSHO KK 30 Sept 1975 [30 Sept 1974 40047/75 Heading E1F [Also in Division B8] Excavating apparatus comprises a housing 6 pivotally mounted to a support member 5 for movement in a vertical plane, a boom 23 having an impact/crusher mechanism 25, and a boom 13 having a bucket 14, the booms being coaxially supported in the housing for longitudinal movement. The impact/ crusher mechanism may be locked in an extended position by hydraulically actuable bolts 30 on the boom 13 engaging with blind holes in the boom 23.
GB40047/75A 1974-09-30 1975-09-30 Excavating apparatus Expired GB1530622A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11141074A JPS5138704A (en) 1974-09-30 1974-09-30 JIBANKUTSUSAKUSOCHI
JP11140874A JPS5138702A (en) 1974-09-30 1974-09-30 JIBANKUTSUSAKUSOCHI
JP11140974A JPS5138703A (en) 1974-09-30 1974-09-30 JIBANKUTSUSAKUSOCHI

Publications (1)

Publication Number Publication Date
GB1530622A true GB1530622A (en) 1978-11-01

Family

ID=27311948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40047/75A Expired GB1530622A (en) 1974-09-30 1975-09-30 Excavating apparatus

Country Status (1)

Country Link
GB (1) GB1530622A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee