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NO171379C - Hydraulisk slagmaskin - Google Patents

Hydraulisk slagmaskin

Info

Publication number
NO171379C
NO171379C NO86861072A NO861072A NO171379C NO 171379 C NO171379 C NO 171379C NO 86861072 A NO86861072 A NO 86861072A NO 861072 A NO861072 A NO 861072A NO 171379 C NO171379 C NO 171379C
Authority
NO
Norway
Prior art keywords
shuttle valve
port
uncovered
piston
covered
Prior art date
Application number
NO86861072A
Other languages
English (en)
Norwegian (no)
Other versions
NO861072L (no
NO171379B (no
Inventor
Clive Wilfred Hunt
Original Assignee
Steel Engineering Company The
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 Steel Engineering Company The filed Critical Steel Engineering Company The
Publication of NO861072L publication Critical patent/NO861072L/no
Publication of NO171379B publication Critical patent/NO171379B/no
Publication of NO171379C publication Critical patent/NO171379C/no

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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator

Landscapes

  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Actuator (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Seats For Vehicles (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
NO86861072A 1985-03-26 1986-03-19 Hydraulisk slagmaskin NO171379C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA852266 1985-03-26

Publications (3)

Publication Number Publication Date
NO861072L NO861072L (no) 1986-09-29
NO171379B NO171379B (no) 1992-11-23
NO171379C true NO171379C (no) 1993-03-03

Family

ID=25577819

Family Applications (1)

Application Number Title Priority Date Filing Date
NO86861072A NO171379C (no) 1985-03-26 1986-03-19 Hydraulisk slagmaskin

Country Status (8)

Country Link
US (1) US4852663A (fi)
EP (1) EP0196195B1 (fi)
AT (1) ATE53526T1 (fi)
AU (1) AU578147B2 (fi)
CA (1) CA1258808A (fi)
DE (1) DE3671856D1 (fi)
FI (1) FI88272C (fi)
NO (1) NO171379C (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995016548A1 (en) * 1993-12-17 1995-06-22 Jarmo Uolevi Leppanen Accumulator charging system
US5408768A (en) * 1994-03-18 1995-04-25 Karani; Ron R. Impact hammer cylinder
DE19652079C2 (de) * 1996-12-14 1999-02-25 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
US6196252B1 (en) 1999-09-30 2001-03-06 Daimlerchrysler Corporation Shuttle valve for a multipath hydraulic circuit with bypass pressure venting
FI116124B (fi) * 2004-02-23 2005-09-30 Sandvik Tamrock Oy Painenestekäyttöinen iskulaite
SE536562C2 (sv) * 2012-06-28 2014-02-25 Atlas Copco Rock Drills Ab Anordning och förfarande vid en hydraulisk bergborrmaskin jämte bergborrmaskin

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1134561A (en) * 1965-05-14 1968-11-27 Nat Res Dev Power transmission apparatus
US3701386A (en) * 1970-12-11 1972-10-31 Dresser Ind Hydraulic drifter
US3887019A (en) * 1971-05-11 1975-06-03 Af Hydraulics Hydraulic percussive implement
US3780621A (en) * 1971-06-07 1973-12-25 Atlas Copco Ab Hydraulic fluid actuated percussion tool
GB1501092A (en) * 1974-03-19 1978-02-15 Keelavite Hydraulics Ltd Hydraulic reciprocating apparatus
ZA761650B (en) * 1976-03-17 1977-07-27 Steel Eng Co Ltd Hydraulic percussive machines
GB1599127A (en) * 1978-03-22 1981-09-30 Dobson Park Ind Powered percussive hand tools
SU977752A1 (ru) * 1980-11-05 1982-11-30 Научно-Исследовательский Горнорудный Институт Гидроударник
SU962456A1 (ru) * 1980-12-08 1982-09-30 Омский политехнический институт Гидромолот
FI66460C (fi) * 1982-10-08 1984-10-10 Tampella Oy Ab Tryckmediedriven slagapparat

Also Published As

Publication number Publication date
FI861263A0 (fi) 1986-03-25
NO861072L (no) 1986-09-29
AU5491886A (en) 1986-10-02
FI861263L (fi) 1986-09-27
EP0196195B1 (en) 1990-06-13
US4852663A (en) 1989-08-01
CA1258808A (en) 1989-08-29
NO171379B (no) 1992-11-23
AU578147B2 (en) 1988-10-13
DE3671856D1 (de) 1990-07-19
FI88272C (fi) 1993-04-26
EP0196195A1 (en) 1986-10-01
FI88272B (fi) 1993-01-15
ATE53526T1 (de) 1990-06-15

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