GB849289A - Improvements in or relating to coal-cutters and tool-carrying chains therefor - Google Patents

Improvements in or relating to coal-cutters and tool-carrying chains therefor

Info

Publication number
GB849289A
GB849289A GB1586258A GB1586258A GB849289A GB 849289 A GB849289 A GB 849289A GB 1586258 A GB1586258 A GB 1586258A GB 1586258 A GB1586258 A GB 1586258A GB 849289 A GB849289 A GB 849289A
Authority
GB
United Kingdom
Prior art keywords
tool
cutters
coal
relating
carrying chains
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
GB1586258A
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 GB1586258A priority Critical patent/GB849289A/en
Publication of GB849289A publication Critical patent/GB849289A/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

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)
  • Soil Working Implements (AREA)
  • Sawing (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

849,289. Mineral-mining equipment. HOY & CO. Ltd., A. May 12, 1959 [May 16, 1958], No. 15862/58. Addition to 803,892. Class 68(1). [Also in Group XXV] Links 27 for tool-carrying chains of mineralmining machines are provided on the sides with rollers 31 that run on guide rails 17, and each roller 31 has a pair of oppositely inclined faces that co-operate with complementarily inclined faces on the guide rails to ensure centring of the rollers on the guide rails.
GB1586258A 1958-05-16 1958-05-16 Improvements in or relating to coal-cutters and tool-carrying chains therefor Expired GB849289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1586258A GB849289A (en) 1958-05-16 1958-05-16 Improvements in or relating to coal-cutters and tool-carrying chains therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1586258A GB849289A (en) 1958-05-16 1958-05-16 Improvements in or relating to coal-cutters and tool-carrying chains therefor

Publications (1)

Publication Number Publication Date
GB849289A true GB849289A (en) 1960-09-21

Family

ID=10066861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1586258A Expired GB849289A (en) 1958-05-16 1958-05-16 Improvements in or relating to coal-cutters and tool-carrying chains therefor

Country Status (1)

Country Link
GB (1) GB849289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968995A (en) * 1974-01-08 1976-07-13 Dresser Industries, Inc. Continuous mining machine with a chain drive for the cutting head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968995A (en) * 1974-01-08 1976-07-13 Dresser Industries, Inc. Continuous mining machine with a chain drive for the cutting head

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