DE218621C - - Google Patents

Info

Publication number
DE218621C
DE218621C DENDAT218621D DE218621DA DE218621C DE 218621 C DE218621 C DE 218621C DE NDAT218621 D DENDAT218621 D DE NDAT218621D DE 218621D A DE218621D A DE 218621DA DE 218621 C DE218621 C DE 218621C
Authority
DE
Germany
Prior art keywords
link arm
stop
coal
suspension
arrow
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.)
Active
Application number
DENDAT218621D
Other languages
German (de)
English (en)
Publication of DE218621C publication Critical patent/DE218621C/de
Active 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)
  • Percussive Tools And Related Accessories (AREA)
DENDAT218621D Active DE218621C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE218621C true DE218621C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=479826

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT218621D Active DE218621C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE218621C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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