DE271819C - - Google Patents

Info

Publication number
DE271819C
DE271819C DENDAT271819D DE271819DA DE271819C DE 271819 C DE271819 C DE 271819C DE NDAT271819 D DENDAT271819 D DE NDAT271819D DE 271819D A DE271819D A DE 271819DA DE 271819 C DE271819 C DE 271819C
Authority
DE
Germany
Prior art keywords
ram
coupling
transfer
transfer sleeve
plunger
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
DENDAT271819D
Other languages
German (de)
English (en)
Publication of DE271819C publication Critical patent/DE271819C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • B25D11/108—Means for driving the impulse member comprising a cam mechanism the rotation axis of the cam member being parallel but offset to the tool axis
DENDAT271819D Active DE271819C (es)

Publications (1)

Publication Number Publication Date
DE271819C true DE271819C (es)

Family

ID=528441

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT271819D Active DE271819C (es)

Country Status (1)

Country Link
DE (1) DE271819C (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449191A1 (de) * 1974-10-16 1976-05-06 Bosch Gmbh Robert Handwerkzeugmaschine
US7786223B2 (en) 2006-01-24 2010-08-31 Huntsman International Llc Epoxy resin and curing agent of di- and/or mono-glycidyether/monoamine-polyamine reaction product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449191A1 (de) * 1974-10-16 1976-05-06 Bosch Gmbh Robert Handwerkzeugmaschine
US7786223B2 (en) 2006-01-24 2010-08-31 Huntsman International Llc Epoxy resin and curing agent of di- and/or mono-glycidyether/monoamine-polyamine reaction product

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