AT274697B - Device to prevent the idle actuation of impact tools - Google Patents

Device to prevent the idle actuation of impact tools

Info

Publication number
AT274697B
AT274697B AT643365A AT643365A AT274697B AT 274697 B AT274697 B AT 274697B AT 643365 A AT643365 A AT 643365A AT 643365 A AT643365 A AT 643365A AT 274697 B AT274697 B AT 274697B
Authority
AT
Austria
Prior art keywords
prevent
impact tools
idle
actuation
idle actuation
Prior art date
Application number
AT643365A
Other languages
German (de)
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Application granted granted Critical
Publication of AT274697B publication Critical patent/AT274697B/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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • B25D9/265—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
AT643365A 1964-07-13 1965-07-13 Device to prevent the idle actuation of impact tools AT274697B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382126A US3241622A (en) 1964-07-13 1964-07-13 Means for preventing idle operation of percussion tools

Publications (1)

Publication Number Publication Date
AT274697B true AT274697B (en) 1969-09-25

Family

ID=23507620

Family Applications (1)

Application Number Title Priority Date Filing Date
AT643365A AT274697B (en) 1964-07-13 1965-07-13 Device to prevent the idle actuation of impact tools

Country Status (5)

Country Link
US (1) US3241622A (en)
AT (1) AT274697B (en)
CH (1) CH451043A (en)
DE (1) DE1289500B (en)
GB (1) GB1040830A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565186A (en) * 1969-08-15 1971-02-23 Chicago Pneumatic Tool Co Pneumatic percussive tool having a fluidic control valve
US4453773A (en) * 1982-12-30 1984-06-12 Toffolon Roger L Pavement breaking apparatus
US4750568A (en) * 1986-08-21 1988-06-14 Paratech Incorporated Pneumatic rescue tool
US5044568A (en) * 1990-08-20 1991-09-03 Takachiho Kogyo Yuugen Kaisha Hand crusher with rotatably mounted handle
JP3424870B2 (en) * 1995-02-28 2003-07-07 株式会社マキタ Immersion prevention device for impact tools
DE10013270A1 (en) * 2000-03-17 2001-09-20 Krupp Berco Bautechnik Gmbh Fluid-driven hammer mechanism has striking piston made immobile if its movement exceeds certain setting
US8522895B1 (en) * 2007-08-29 2013-09-03 Thomas W. Honsa Power tool
DE102007046603A1 (en) * 2007-09-28 2009-04-02 Wacker Construction Equipment Ag Implement with speed reduction and working method for it
US9701003B2 (en) 2014-05-23 2017-07-11 Caterpillar Inc. Hydraulic hammer having delayed automatic shutoff

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US902288A (en) * 1908-10-27 Sullivan Machinery Co Fluid-pressure-engine-operated tool.
US1846804A (en) * 1929-09-06 1932-02-23 Ingersoll Rand Co Fluid actuated percussive tool
DE703206C (en) * 1935-07-16 1941-03-04 Meco Brennkraft Maschinen G M Inlet organ for internal combustion shaker and vibration devices
DE720150C (en) * 1940-04-02 1942-04-25 Heinrich List Dipl Ing Striking tool driven by periodically compressed air
US2400207A (en) * 1944-06-26 1946-05-14 Chicago Pneumatic Tool Co Demolition tool handle
DE1029759B (en) * 1955-12-05 1958-05-08 Reich Maschf Gmbh Karl Device for hammering in nails or the like with a pneumatically driven percussion piston

Also Published As

Publication number Publication date
US3241622A (en) 1966-03-22
CH451043A (en) 1968-05-15
GB1040830A (en) 1966-09-01
DE1289500B (en) 1969-02-13

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