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GB2411375B - Vibration reduction system - Google Patents

Vibration reduction system

Info

Publication number
GB2411375B
GB2411375B GB0404246A GB0404246A GB2411375B GB 2411375 B GB2411375 B GB 2411375B GB 0404246 A GB0404246 A GB 0404246A GB 0404246 A GB0404246 A GB 0404246A GB 2411375 B GB2411375 B GB 2411375B
Authority
GB
United Kingdom
Prior art keywords
reduction system
vibration reduction
vibration
reduction
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 - Fee Related
Application number
GB0404246A
Other versions
GB0404246D0 (en
GB2411375A (en
Inventor
Roy Wyatt
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.)
South West Highways Ltd
Original Assignee
South West Highways 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 South West Highways Ltd filed Critical South West Highways Ltd
Priority to GB0404246A priority Critical patent/GB2411375B/en
Publication of GB0404246D0 publication Critical patent/GB0404246D0/en
Publication of GB2411375A publication Critical patent/GB2411375A/en
Application granted granted Critical
Publication of GB2411375B publication Critical patent/GB2411375B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25D9/14—Control devices for the reciprocating piston
    • 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
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/221—Sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Automatic Control Of Machine Tools (AREA)
GB0404246A 2004-02-26 2004-02-26 Vibration reduction system Expired - Fee Related GB2411375B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0404246A GB2411375B (en) 2004-02-26 2004-02-26 Vibration reduction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0404246A GB2411375B (en) 2004-02-26 2004-02-26 Vibration reduction system

Publications (3)

Publication Number Publication Date
GB0404246D0 GB0404246D0 (en) 2004-03-31
GB2411375A GB2411375A (en) 2005-08-31
GB2411375B true GB2411375B (en) 2008-04-09

Family

ID=32050893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0404246A Expired - Fee Related GB2411375B (en) 2004-02-26 2004-02-26 Vibration reduction system

Country Status (1)

Country Link
GB (1) GB2411375B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008044044A1 (en) * 2008-11-25 2010-05-27 Robert Bosch Gmbh Hand machine tool device
DE102012209020A1 (en) * 2012-05-29 2013-12-05 Robert Bosch Gmbh Hand-held power tool rammer installed in e.g. drilling hammer, has shock damping unit that damps racket, and enables multi-stage attenuation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813492A (en) * 1987-08-17 1989-03-21 Dresser Industries, Inc. Low pressure shut off device contained within a pneumatic tool
EP0440399A1 (en) * 1990-01-27 1991-08-07 John Macdonald & Company (Pneumatic Tools) Limited Improvements in or relating to pneumatic tools
JPH10118959A (en) * 1996-10-17 1998-05-12 Shinsei Giken Kk Air hammer
US6112832A (en) * 1998-03-17 2000-09-05 Sandvik Aktiebolag Method and apparatus for controlling a rock drill on the basis of sensed pressure pulses
WO2003033216A1 (en) * 2001-10-18 2003-04-24 Sandvik Tamrock Oy Method and apparatus for monitoring operation of percussion device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813492A (en) * 1987-08-17 1989-03-21 Dresser Industries, Inc. Low pressure shut off device contained within a pneumatic tool
EP0440399A1 (en) * 1990-01-27 1991-08-07 John Macdonald & Company (Pneumatic Tools) Limited Improvements in or relating to pneumatic tools
JPH10118959A (en) * 1996-10-17 1998-05-12 Shinsei Giken Kk Air hammer
US6112832A (en) * 1998-03-17 2000-09-05 Sandvik Aktiebolag Method and apparatus for controlling a rock drill on the basis of sensed pressure pulses
WO2003033216A1 (en) * 2001-10-18 2003-04-24 Sandvik Tamrock Oy Method and apparatus for monitoring operation of percussion device

Also Published As

Publication number Publication date
GB0404246D0 (en) 2004-03-31
GB2411375A (en) 2005-08-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190226