GB870495A - Improvements in or relating to coal cutter chains - Google Patents

Improvements in or relating to coal cutter chains

Info

Publication number
GB870495A
GB870495A GB4174358A GB4174358A GB870495A GB 870495 A GB870495 A GB 870495A GB 4174358 A GB4174358 A GB 4174358A GB 4174358 A GB4174358 A GB 4174358A GB 870495 A GB870495 A GB 870495A
Authority
GB
United Kingdom
Prior art keywords
relating
coal cutter
coal
cutter chains
dec
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
GB4174358A
Inventor
Sidney Ernest Proctor
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.)
Austin Hoy and Co Ltd
Original Assignee
Austin Hoy and Co 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
Application filed by Austin Hoy and Co Ltd filed Critical Austin Hoy and Co Ltd
Priority to GB4174358A priority Critical patent/GB870495A/en
Publication of GB870495A publication Critical patent/GB870495A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E21C25/34—Chains
    • E21C25/36—Couplings for links

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Harvester Elements (AREA)

Abstract

870,495. Coal-cutter chains. AUSTIN HOY & CO. Ltd. Dec. 23, 1959 [Dec. 24, 1958], No. 41743/58. Addition to 801,181. Class 24. A coal-cutter chain has alternate link bearing pins 23 disposed at right angles to the remaining pins 24. This enables the chain to flex in two directions.
GB4174358A 1958-12-24 1958-12-24 Improvements in or relating to coal cutter chains Expired GB870495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4174358A GB870495A (en) 1958-12-24 1958-12-24 Improvements in or relating to coal cutter chains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4174358A GB870495A (en) 1958-12-24 1958-12-24 Improvements in or relating to coal cutter chains

Publications (1)

Publication Number Publication Date
GB870495A true GB870495A (en) 1961-06-14

Family

ID=10421171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4174358A Expired GB870495A (en) 1958-12-24 1958-12-24 Improvements in or relating to coal cutter chains

Country Status (1)

Country Link
GB (1) GB870495A (en)

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