GB192526A - Improvements relating to coal and like cutting machines - Google Patents

Improvements relating to coal and like cutting machines

Info

Publication number
GB192526A
GB192526A GB30748/21A GB3074821A GB192526A GB 192526 A GB192526 A GB 192526A GB 30748/21 A GB30748/21 A GB 30748/21A GB 3074821 A GB3074821 A GB 3074821A GB 192526 A GB192526 A GB 192526A
Authority
GB
United Kingdom
Prior art keywords
coal
wheel
improvements relating
cutting machines
wild
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
GB30748/21A
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.)
Mb Wild & Co Ltd
WALTER HENRY DUNN
Original Assignee
Mb Wild & Co Ltd
WALTER HENRY DUNN
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 Mb Wild & Co Ltd, WALTER HENRY DUNN filed Critical Mb Wild & Co Ltd
Priority to GB30748/21A priority Critical patent/GB192526A/en
Publication of GB192526A publication Critical patent/GB192526A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
    • E21C29/10—Cable or chain co-operating with a winch or the like on the machine

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)
  • Harvester Elements (AREA)

Abstract

192,526. Wild, M. B., Dunn, W. H., and Wild & Co., Ltd., M. B. Nov. 17,1921. Variable-speed toothed gearing employed in a coal-cutting machine comprises a driven wormwheel h fixed to a pinion i, and a pinion j adapted to be clutched either to the worm-wheel h or to a wheel k; a slow drive to a wheel p is effected through gears h, i, l, m, k, j, n, o and a fast drive through gears h, j, n, o.
GB30748/21A 1921-11-17 1921-11-17 Improvements relating to coal and like cutting machines Expired GB192526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB30748/21A GB192526A (en) 1921-11-17 1921-11-17 Improvements relating to coal and like cutting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30748/21A GB192526A (en) 1921-11-17 1921-11-17 Improvements relating to coal and like cutting machines

Publications (1)

Publication Number Publication Date
GB192526A true GB192526A (en) 1923-02-08

Family

ID=10312509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30748/21A Expired GB192526A (en) 1921-11-17 1921-11-17 Improvements relating to coal and like cutting machines

Country Status (1)

Country Link
GB (1) GB192526A (en)

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