DE103025C - - Google Patents

Info

Publication number
DE103025C
DE103025C DENDAT103025D DE103025DA DE103025C DE 103025 C DE103025 C DE 103025C DE NDAT103025 D DENDAT103025 D DE NDAT103025D DE 103025D A DE103025D A DE 103025DA DE 103025 C DE103025 C DE 103025C
Authority
DE
Germany
Prior art keywords
piston
ring
claws
channels
ratchet wheel
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
DENDAT103025D
Other languages
German (de)
English (en)
Publication of DE103025C publication Critical patent/DE103025C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
DENDAT103025D Active DE103025C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE103025C true DE103025C (enrdf_load_stackoverflow)

Family

ID=373560

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT103025D Active DE103025C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE103025C (enrdf_load_stackoverflow)

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