GB192526A - Improvements relating to coal and like cutting machines - Google Patents
Improvements relating to coal and like cutting machinesInfo
- 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
Links
- 239000003245 coal Substances 0.000 title 1
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.
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) |
-
1921
- 1921-11-17 GB GB30748/21A patent/GB192526A/en not_active Expired
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