IT950031B - IMPROVEMENTS TO PERCUSSION TOOLS - Google Patents

IMPROVEMENTS TO PERCUSSION TOOLS

Info

Publication number
IT950031B
IT950031B IT21637/72A IT2163772A IT950031B IT 950031 B IT950031 B IT 950031B IT 21637/72 A IT21637/72 A IT 21637/72A IT 2163772 A IT2163772 A IT 2163772A IT 950031 B IT950031 B IT 950031B
Authority
IT
Italy
Prior art keywords
percussion tools
percussion
tools
Prior art date
Application number
IT21637/72A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT950031B publication Critical patent/IT950031B/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 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
IT21637/72A 1971-03-16 1972-03-09 IMPROVEMENTS TO PERCUSSION TOOLS IT950031B (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
IT950031B true IT950031B (en) 1973-06-20

Family

ID=4263871

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21637/72A IT950031B (en) 1971-03-16 1972-03-09 IMPROVEMENTS TO PERCUSSION 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 (9)

* 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
US4442906A (en) * 1980-11-18 1984-04-17 Black & Decker Inc. Percussive drills
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
EP3670095A1 (en) * 2018-12-20 2020-06-24 Hilti Aktiengesellschaft Handheld machine tool
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
GB1381545A (en) 1975-01-22
CH532454A (en) 1973-01-15
BR7201439D0 (en) 1973-08-09
JPS5441155B1 (en) 1979-12-06
FR2129498A5 (en) 1972-10-27
ZA721308B (en) 1972-11-29
DE2212217A1 (en) 1972-09-28
AR197955A1 (en) 1974-05-24
US3791461A (en) 1974-02-12
BE780614A (en) 1972-07-03
ES400768A1 (en) 1975-01-16
CA951603A (en) 1974-07-23

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