ZA721308B - Rotary-impact tools - Google Patents

Rotary-impact tools

Info

Publication number
ZA721308B
ZA721308B ZA721308A ZA721308A ZA721308B ZA 721308 B ZA721308 B ZA 721308B ZA 721308 A ZA721308 A ZA 721308A ZA 721308 A ZA721308 A ZA 721308A ZA 721308 B ZA721308 B ZA 721308B
Authority
ZA
South Africa
Prior art keywords
rotary
impact tools
tools
impact
Prior art date
Application number
ZA721308A
Inventor
C Rosselet
Original Assignee
Olin Authier Sa
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 Olin Authier Sa filed Critical Olin Authier Sa
Publication of ZA721308B publication Critical patent/ZA721308B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/22—Valve arrangements therefor involving a rotary-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
ZA721308A 1971-03-16 1972-02-28 Rotary-impact tools ZA721308B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH380771A CH532454A (en) 1971-03-16 1971-03-16 Pneumatic percussion and rotation tool

Publications (1)

Publication Number Publication Date
ZA721308B true ZA721308B (en) 1972-11-29

Family

ID=4263871

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721308A ZA721308B (en) 1971-03-16 1972-02-28 Rotary-impact tools

Country Status (13)

Country Link
US (1) US3791461A (en)
JP (1) JPS5441155B1 (en)
AR (1) AR197955A1 (en)
BE (1) BE780614A (en)
BR (1) BR7201439D0 (en)
CA (1) CA951603A (en)
CH (1) CH532454A (en)
DE (1) DE2212217A1 (en)
ES (1) ES400768A1 (en)
FR (1) FR2129498A5 (en)
GB (1) GB1381545A (en)
IT (1) IT950031B (en)
ZA (1) ZA721308B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA803409B (en) * 1979-06-18 1981-05-27 Kango Electric Hammers Ltd Hammer drill
US4336847A (en) * 1980-06-27 1982-06-29 Hitachi Koki Company, Limited Percussion drill
ATE11750T1 (en) * 1980-11-18 1985-02-15 Black & Decker Inc. IMPACT DRILL.
JPH01274908A (en) * 1988-04-25 1989-11-02 Matsushita Electric Works Ltd Hammer drill
IL105743A0 (en) * 1992-06-11 1993-09-22 Dov Shilkrut Penetrating tool system
DE19545260A1 (en) * 1995-11-24 1997-05-28 Black & Decker Inc Hammer drill
GB2435442A (en) * 2006-02-24 2007-08-29 Black & Decker Inc Powered hammer with helically shaped vent channel
US11185969B2 (en) * 2019-10-08 2021-11-30 Chih-Kuan Hsieh Pneumatic tool having movable air tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1703841A (en) * 1920-01-09 1929-02-26 Sullivan Machinery Co Percussive tool
US1663403A (en) * 1920-02-24 1928-03-20 George H Gilman Drilling machine
US3074381A (en) * 1961-07-12 1963-01-22 Joy Mfg Co Rock drill rotation mechanism
US3403738A (en) * 1966-11-01 1968-10-01 Aro Corp Drill/scredriver with impact mechanism

Also Published As

Publication number Publication date
CH532454A (en) 1973-01-15
JPS5441155B1 (en) 1979-12-06
IT950031B (en) 1973-06-20
FR2129498A5 (en) 1972-10-27
DE2212217A1 (en) 1972-09-28
BE780614A (en) 1972-07-03
BR7201439D0 (en) 1973-08-09
AR197955A1 (en) 1974-05-24
ES400768A1 (en) 1975-01-16
US3791461A (en) 1974-02-12
CA951603A (en) 1974-07-23
GB1381545A (en) 1975-01-22

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