ZA777089B - Improvements in or relating to carriages with articulated tracks - Google Patents

Improvements in or relating to carriages with articulated tracks

Info

Publication number
ZA777089B
ZA777089B ZA00777089A ZA777089A ZA777089B ZA 777089 B ZA777089 B ZA 777089B ZA 00777089 A ZA00777089 A ZA 00777089A ZA 777089 A ZA777089 A ZA 777089A ZA 777089 B ZA777089 B ZA 777089B
Authority
ZA
South Africa
Prior art keywords
carriages
relating
articulated tracks
articulated
tracks
Prior art date
Application number
ZA00777089A
Other languages
English (en)
Inventor
A Valantin
Original Assignee
Charbonnages De France
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 Charbonnages De France filed Critical Charbonnages De France
Publication of ZA777089B publication Critical patent/ZA777089B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/10—Bogies; Frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Bridges Or Land Bridges (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Transmission Devices (AREA)
  • Framework For Endless Conveyors (AREA)
  • Handcart (AREA)
ZA00777089A 1976-12-07 1977-11-29 Improvements in or relating to carriages with articulated tracks ZA777089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636768A FR2373434A1 (fr) 1976-12-07 1976-12-07 Chariot a chenille guidee par frottement pour engin, tel que pile de soutenement

Publications (1)

Publication Number Publication Date
ZA777089B true ZA777089B (en) 1978-09-27

Family

ID=9180736

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00777089A ZA777089B (en) 1976-12-07 1977-11-29 Improvements in or relating to carriages with articulated tracks

Country Status (11)

Country Link
US (1) US4232911A (de)
JP (1) JPS5383902A (de)
AT (1) AT353212B (de)
BE (1) BE861468A (de)
CA (1) CA1075024A (de)
DE (1) DE2753060C2 (de)
FR (1) FR2373434A1 (de)
GB (1) GB1590466A (de)
PL (1) PL111010B1 (de)
YU (1) YU287677A (de)
ZA (1) ZA777089B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7900723B2 (en) * 2007-01-11 2011-03-08 Glen Brazier Motorized snowboard
US7784571B2 (en) * 2007-01-11 2010-08-31 Glen Brazier Motorized snowboard

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1316092A (en) * 1919-09-16 Caterpillar-tractor
US1479408A (en) * 1923-03-22 1924-01-01 Lewis K Davis Endless-track vehicle
US1825075A (en) * 1930-01-10 1931-09-29 Harry A Knox Flexible track for track laying vehicles
US2484754A (en) * 1946-07-12 1949-10-11 Joseph P Silva Carriage for trucks
BE535086A (de) * 1954-01-25
DE1139084B (de) * 1960-07-13 1962-11-08 Maschf Fahrbares, rahmenartiges Strebausbauglied
FR2339057A1 (fr) * 1976-01-26 1977-08-19 Charbonnages De France Support unitaire de soutenement marchant

Also Published As

Publication number Publication date
DE2753060C2 (de) 1986-09-04
JPS5383902A (en) 1978-07-24
FR2373434A1 (fr) 1978-07-07
FR2373434B1 (de) 1979-03-30
PL111010B1 (en) 1980-08-30
ATA861477A (de) 1979-04-15
CA1075024A (fr) 1980-04-08
DE2753060A1 (de) 1978-06-08
GB1590466A (en) 1981-06-03
PL202678A1 (pl) 1978-07-03
AT353212B (de) 1979-11-12
YU287677A (en) 1982-06-30
BE861468A (fr) 1978-06-02
US4232911A (en) 1980-11-11

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