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ATE109711T1 - PNEUMATIC IMPACT DEVICE WITH INTERCHANGEABLE WORK TOOL. - Google Patents

PNEUMATIC IMPACT DEVICE WITH INTERCHANGEABLE WORK TOOL.

Info

Publication number
ATE109711T1
ATE109711T1 AT90420482T AT90420482T ATE109711T1 AT E109711 T1 ATE109711 T1 AT E109711T1 AT 90420482 T AT90420482 T AT 90420482T AT 90420482 T AT90420482 T AT 90420482T AT E109711 T1 ATE109711 T1 AT E109711T1
Authority
AT
Austria
Prior art keywords
work tool
impact device
pneumatic impact
interchangeable work
bore
Prior art date
Application number
AT90420482T
Other languages
German (de)
Inventor
Marc Pierre Louis Bideaux
Original Assignee
Bidaux Marc 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 Bidaux Marc Sa filed Critical Bidaux Marc Sa
Application granted granted Critical
Publication of ATE109711T1 publication Critical patent/ATE109711T1/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
    • B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • 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
    • 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
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

Percussive worktool. The device comprises a head (12) having a bore (20): - connecting with two chambers (14, 15), - containing a piston (30) which is free with respect to the bore and comprising a radial opening (33) capable of coinciding with one or the other of two recesses (25, 26) inside the bore (20) and respectively connecting with the chamber (15) and with the exhaust (7). Application to barker devices. <IMAGE>
AT90420482T 1989-11-08 1990-11-08 PNEUMATIC IMPACT DEVICE WITH INTERCHANGEABLE WORK TOOL. ATE109711T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8914878A FR2654029B1 (en) 1989-11-08 1989-11-08 PNEUMATIC PERCUSSION APPARATUS WITH REMOVABLE WORKING TOOL.

Publications (1)

Publication Number Publication Date
ATE109711T1 true ATE109711T1 (en) 1994-08-15

Family

ID=9387353

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90420482T ATE109711T1 (en) 1989-11-08 1990-11-08 PNEUMATIC IMPACT DEVICE WITH INTERCHANGEABLE WORK TOOL.

Country Status (5)

Country Link
EP (1) EP0427647B1 (en)
AT (1) ATE109711T1 (en)
DE (1) DE69011474T2 (en)
ES (1) ES2062475T3 (en)
FR (1) FR2654029B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728496A1 (en) * 1994-12-23 1996-06-28 Bidaux Marc ANTIVIBRATILE DEVICE FOR QUICKLY COUPLING THE TAIL FROM A WORKING TOOL TO A PERCUSSION APPARATUS
CN103328159B (en) * 2011-01-10 2015-12-16 博世电动工具（中国）有限公司 Percussion tool
JP2024007799A (en) * 2022-07-06 2024-01-19 株式会社マキタ hammer drill

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824234B2 (en) * 1977-12-05 1983-05-19 山田油機製造株式会社 Hammer motor
JPS59209775A (en) * 1983-05-13 1984-11-28 株式会社ランドマ−クウエスト Rock drill
JPS61109674A (en) * 1984-11-02 1986-05-28 株式会社　ランドマ−クウエスト Negative pressure suction type rock drill

Also Published As

Publication number Publication date
ES2062475T3 (en) 1994-12-16
DE69011474D1 (en) 1994-09-15
FR2654029A1 (en) 1991-05-10
EP0427647A1 (en) 1991-05-15
DE69011474T2 (en) 1995-02-09
EP0427647B1 (en) 1994-08-10
FR2654029B1 (en) 1992-02-21

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee