GB349659A - Improvements in, or relating to, coal cutting machines and the like - Google Patents

Improvements in, or relating to, coal cutting machines and the like

Info

Publication number
GB349659A
GB349659A GB738930A GB738930A GB349659A GB 349659 A GB349659 A GB 349659A GB 738930 A GB738930 A GB 738930A GB 738930 A GB738930 A GB 738930A GB 349659 A GB349659 A GB 349659A
Authority
GB
United Kingdom
Prior art keywords
coal cutting
relating
cutting machines
carriage
axis
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
GB738930A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB738930A priority Critical patent/GB349659A/en
Publication of GB349659A publication Critical patent/GB349659A/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
    • E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

349,659. Coal cutting &c. machines. DRINNAN, J., 490, Penistone Road, Sheffield. March 6, 1930, No. 7389. [Class 124.] A coal cutting machine secured to the axis d is inclined in a vertical plane by the sector hand worm-wheel j. The axis is fed forward on guide bars b by the screw f mounted on the carriage. Blocks n secure the carriage by clamping from the roof.
GB738930A 1930-03-06 1930-03-06 Improvements in, or relating to, coal cutting machines and the like Expired GB349659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB738930A GB349659A (en) 1930-03-06 1930-03-06 Improvements in, or relating to, coal cutting machines and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB738930A GB349659A (en) 1930-03-06 1930-03-06 Improvements in, or relating to, coal cutting machines and the like

Publications (1)

Publication Number Publication Date
GB349659A true GB349659A (en) 1931-06-04

Family

ID=9832179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB738930A Expired GB349659A (en) 1930-03-06 1930-03-06 Improvements in, or relating to, coal cutting machines and the like

Country Status (1)

Country Link
GB (1) GB349659A (en)

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