AU503742B2 - Percussive tool - Google Patents

Percussive tool

Info

Publication number
AU503742B2
AU503742B2 AU18774/76A AU1877476A AU503742B2 AU 503742 B2 AU503742 B2 AU 503742B2 AU 18774/76 A AU18774/76 A AU 18774/76A AU 1877476 A AU1877476 A AU 1877476A AU 503742 B2 AU503742 B2 AU 503742B2
Authority
AU
Australia
Prior art keywords
percussive tool
percussive
tool
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.)
Expired
Application number
AU18774/76A
Other versions
AU1877476A (en
Inventor
Ra. Thompson Ad Phillips
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries Ltd
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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to AU18774/76A priority Critical patent/AU503742B2/en
Publication of AU1877476A publication Critical patent/AU1877476A/en
Application granted granted Critical
Publication of AU503742B2 publication Critical patent/AU503742B2/en
Expired legal-status Critical Current

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
    • B25D9/06—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
    • 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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
AU18774/76A 1976-10-18 1976-10-18 Percussive tool Expired AU503742B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18774/76A AU503742B2 (en) 1976-10-18 1976-10-18 Percussive tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU18774/76A AU503742B2 (en) 1976-10-18 1976-10-18 Percussive tool

Publications (2)

Publication Number Publication Date
AU1877476A AU1877476A (en) 1978-04-27
AU503742B2 true AU503742B2 (en) 1979-09-20

Family

ID=3708441

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18774/76A Expired AU503742B2 (en) 1976-10-18 1976-10-18 Percussive tool

Country Status (1)

Country Link
AU (1) AU503742B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462238A1 (en) * 1979-06-26 1981-02-13 Tampella Oy Ab HYDRAULIC PERCUSSION DEVICE, IN PARTICULAR FOR DRILLING APPARATUS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462238A1 (en) * 1979-06-26 1981-02-13 Tampella Oy Ab HYDRAULIC PERCUSSION DEVICE, IN PARTICULAR FOR DRILLING APPARATUS

Also Published As

Publication number Publication date
AU1877476A (en) 1978-04-27

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