DE317124C - - Google Patents

Info

Publication number
DE317124C
DE317124C DENDAT317124D DE317124DA DE317124C DE 317124 C DE317124 C DE 317124C DE NDAT317124 D DENDAT317124 D DE NDAT317124D DE 317124D A DE317124D A DE 317124DA DE 317124 C DE317124 C DE 317124C
Authority
DE
Germany
Prior art keywords
piston
percussion piston
drill
tooth
spring
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
DENDAT317124D
Other languages
German (de)
English (en)
Publication of DE317124C publication Critical patent/DE317124C/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/10—Means for driving the impulse member comprising a cam mechanism
    • B25D11/102—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool
    • B25D11/106—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool cam member and cam follower having the same shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
DENDAT317124D Active DE317124C (cs)

Publications (1)

Publication Number Publication Date
DE317124C true DE317124C (cs)

Family

ID=569792

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT317124D Active DE317124C (cs)

Country Status (1)

Country Link
DE (1) DE317124C (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457565A (en) * 1946-01-21 1948-12-28 Leo F Kott Power tool
DE851034C (de) * 1949-11-29 1952-09-29 Cyril Frederick Regan Elektrisch angetriebenes Schlagbohrgeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457565A (en) * 1946-01-21 1948-12-28 Leo F Kott Power tool
DE851034C (de) * 1949-11-29 1952-09-29 Cyril Frederick Regan Elektrisch angetriebenes Schlagbohrgeraet

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