ZA717579B - Improvements in or relating to self-propelled vehicles - Google Patents

Improvements in or relating to self-propelled vehicles

Info

Publication number
ZA717579B
ZA717579B ZA717579A ZA717579A ZA717579B ZA 717579 B ZA717579 B ZA 717579B ZA 717579 A ZA717579 A ZA 717579A ZA 717579 A ZA717579 A ZA 717579A ZA 717579 B ZA717579 B ZA 717579B
Authority
ZA
South Africa
Prior art keywords
relating
self
propelled vehicles
propelled
vehicles
Prior art date
Application number
ZA717579A
Inventor
H Mappin
J Gaskell
Original Assignee
Dobson Park Ind
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 Dobson Park Ind filed Critical Dobson Park Ind
Publication of ZA717579B publication Critical patent/ZA717579B/en

Links

Classifications

    • 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
    • E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Road Repair (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Agricultural Machines (AREA)
  • Harvester Elements (AREA)
  • Disintegrating Or Milling (AREA)
  • Manipulator (AREA)
ZA717579A 1970-11-18 1971-11-11 Improvements in or relating to self-propelled vehicles ZA717579B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5472270 1970-11-18

Publications (1)

Publication Number Publication Date
ZA717579B true ZA717579B (en) 1972-08-30

Family

ID=10471880

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA717579A ZA717579B (en) 1970-11-18 1971-11-11 Improvements in or relating to self-propelled vehicles

Country Status (13)

Country Link
US (1) US3754790A (en)
AU (1) AU462610B2 (en)
BE (1) BE775430A (en)
CA (1) CA939422A (en)
DE (1) DE2155531C3 (en)
ES (1) ES397090A1 (en)
FR (1) FR2114787A5 (en)
GB (1) GB1334543A (en)
HU (1) HU162392B (en)
NL (1) NL7115762A (en)
PL (1) PL70950B1 (en)
SE (1) SE398145B (en)
ZA (1) ZA717579B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1373306A (en) * 1972-07-15 1974-11-06 Lemand Eng Ltd Mining machines
GB1396905A (en) * 1972-08-12 1975-06-11 Dobson Park Ind Mining rock breaking excavating and like machines and implements for use therein
GB1525560A (en) * 1974-09-27 1978-09-20 Dobson Park Ind Vehicle or carriage mounted materials transporting machines
US3999805A (en) * 1974-11-26 1976-12-28 Lockwood Bennett Ltd. Articulated support
GB1565803A (en) * 1975-10-15 1980-04-23 Dobson Park Ind Mining and like machinery
US4768835A (en) * 1986-10-16 1988-09-06 Gosudarstvenny Proektnokonstruktorsky I Experimentalny Institut Ugolnogo Mashinostroenia Advancing system for coal winning machine
US4818025A (en) * 1986-11-14 1989-04-04 Hecla Mining Company Narrow opening mechanical miner
US5921336A (en) * 1997-09-16 1999-07-13 Parker Drilling Company Walking substructure device
US6581525B2 (en) 2001-05-09 2003-06-24 Columbia Trailer Co., Inc. Method and apparatus for transporting and steering a load
DE112011102587T5 (en) * 2010-08-03 2013-05-29 Joy Mm Delaware, Inc. The underground boring machine
US20150145316A1 (en) * 2012-05-12 2015-05-28 Suhua Liu Small-resistance high-efficiency mining device with multiple layers of percussion heads
MX2014013782A (en) * 2012-05-12 2016-11-30 Suhua Liu High-efficiency mining method for percussing falling-materials without trapping materials and high-efficiency mining machine for percussing falling-materials without trapping materials.
CA2873251A1 (en) * 2012-05-12 2013-11-21 Suhua LIU Small-resistance and high-efficiency digging apparatus with multiple layers of impact heads
AU2013351848A1 (en) * 2012-11-26 2015-07-16 Suhua LIU A method for arranging rolling-friction stretching and retraction based rolling stroke sections of a rocker arm in parallel, and an excavator or loader comprising a rocker arm having rolling stroke sections arranged in parallel
US9073588B1 (en) 2014-06-05 2015-07-07 Orion Drilling Company Heavy machinery substructure for traversing and working over ground obstructions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039981A (en) * 1963-10-02 1966-08-24 Greenside Machine Co Ltd Improvements in or relating to heading and ripping machines for mining
US3346300A (en) * 1966-08-08 1967-10-10 Louis A Grant Blast furnace lining removing machine

Also Published As

Publication number Publication date
DE2155531A1 (en) 1972-05-31
ES397090A1 (en) 1974-05-16
GB1334543A (en) 1973-10-17
DE2155531C3 (en) 1973-12-06
FR2114787A5 (en) 1972-06-05
CA939422A (en) 1974-01-01
PL70950B1 (en) 1974-04-30
BE775430A (en) 1972-03-16
AU3575271A (en) 1973-05-24
US3754790A (en) 1973-08-28
NL7115762A (en) 1972-05-23
HU162392B (en) 1973-02-28
AU462610B2 (en) 1975-06-12
DE2155531B2 (en) 1973-05-10
SE398145B (en) 1977-12-05

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