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GB2279901B - Improvements in pneumatic powertools - Google Patents

Improvements in pneumatic powertools

Info

Publication number
GB2279901B
GB2279901B GB9419797A GB9419797A GB2279901B GB 2279901 B GB2279901 B GB 2279901B GB 9419797 A GB9419797 A GB 9419797A GB 9419797 A GB9419797 A GB 9419797A GB 2279901 B GB2279901 B GB 2279901B
Authority
GB
United Kingdom
Prior art keywords
powertools
pneumatic
pneumatic powertools
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
GB9419797A
Other versions
GB9419797D0 (en
GB2279901A (en
Inventor
Raymond John Hall
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.)
Compair Power Tools Ltd
Original Assignee
Compair Power Tools 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 Compair Power Tools Ltd filed Critical Compair Power Tools Ltd
Publication of GB9419797D0 publication Critical patent/GB9419797D0/en
Publication of GB2279901A publication Critical patent/GB2279901A/en
Application granted granted Critical
Publication of GB2279901B publication Critical patent/GB2279901B/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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • B25D17/245—Damping the reaction force using a fluid
    • 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)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
GB9419797A 1992-03-31 1993-03-29 Improvements in pneumatic powertools Expired - Fee Related GB2279901B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929206978A GB9206978D0 (en) 1992-03-31 1992-03-31 Improvements in pneumatic power tools
PCT/GB1993/000645 WO1993019899A1 (en) 1992-03-31 1993-03-29 Improvements in pneumatic powertools

Publications (3)

Publication Number Publication Date
GB9419797D0 GB9419797D0 (en) 1994-11-16
GB2279901A GB2279901A (en) 1995-01-18
GB2279901B true GB2279901B (en) 1995-12-20

Family

ID=10713144

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929206978A Pending GB9206978D0 (en) 1992-03-31 1992-03-31 Improvements in pneumatic power tools
GB9419797A Expired - Fee Related GB2279901B (en) 1992-03-31 1993-03-29 Improvements in pneumatic powertools

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929206978A Pending GB9206978D0 (en) 1992-03-31 1992-03-31 Improvements in pneumatic power tools

Country Status (5)

Country Link
EP (1) EP0633829A1 (en)
AU (1) AU3895193A (en)
GB (2) GB9206978D0 (en)
TW (1) TW242599B (en)
WO (1) WO1993019899A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285763B (en) * 1994-01-11 1997-06-11 Ingersoll Rand Co Fluid metering device for compressed fluid operated tool
TWI424910B (en) * 2006-01-27 2014-02-01 Exhaust Technologies Inc Shock attenuating device for a rotary impact tool
GB2458459A (en) * 2008-03-17 2009-09-23 Trevor Timmins Vibration damping handle
WO2021035630A1 (en) * 2019-08-29 2021-03-04 杭州联和工具制造有限公司 Pneumatic shovel

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1053893A (en) * 1951-07-02 1954-02-05 Pneumatic tool
US2762341A (en) * 1950-12-07 1956-09-11 Paul A Salengro Pneumatic tools
FR1154429A (en) * 1956-01-19 1958-04-10 Advanced training in power tools
FR2136469A5 (en) * 1971-04-19 1972-12-22 Chicago Pneumatic Tool Co
FR2258248A1 (en) * 1974-01-21 1975-08-18 Thor Power Tool Co
US3920086A (en) * 1974-05-23 1975-11-18 Albert Adolfovich Goppen Pneumatic hammer
EP0019563A1 (en) * 1979-05-15 1980-11-26 Etablissements Montabert Pneumatic percussive tool comprising a vibration damper
FR2504440A1 (en) * 1981-04-28 1982-10-29 Permon Np
US4402369A (en) * 1981-05-26 1983-09-06 Moskovskoe Vysshee Technicheskoe Uchilische Pneumatic tool
EP0335328A2 (en) * 1988-03-29 1989-10-04 Politechnika Poznanska Compressed-air supply system of vibro-isolated tools

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762341A (en) * 1950-12-07 1956-09-11 Paul A Salengro Pneumatic tools
FR1053893A (en) * 1951-07-02 1954-02-05 Pneumatic tool
FR1154429A (en) * 1956-01-19 1958-04-10 Advanced training in power tools
FR2136469A5 (en) * 1971-04-19 1972-12-22 Chicago Pneumatic Tool Co
FR2258248A1 (en) * 1974-01-21 1975-08-18 Thor Power Tool Co
US3920086A (en) * 1974-05-23 1975-11-18 Albert Adolfovich Goppen Pneumatic hammer
EP0019563A1 (en) * 1979-05-15 1980-11-26 Etablissements Montabert Pneumatic percussive tool comprising a vibration damper
FR2504440A1 (en) * 1981-04-28 1982-10-29 Permon Np
US4402369A (en) * 1981-05-26 1983-09-06 Moskovskoe Vysshee Technicheskoe Uchilische Pneumatic tool
EP0335328A2 (en) * 1988-03-29 1989-10-04 Politechnika Poznanska Compressed-air supply system of vibro-isolated tools

Also Published As

Publication number Publication date
EP0633829A1 (en) 1995-01-18
WO1993019899A1 (en) 1993-10-14
AU3895193A (en) 1993-11-08
TW242599B (en) 1995-03-11
GB9206978D0 (en) 1992-05-13
GB9419797D0 (en) 1994-11-16
GB2279901A (en) 1995-01-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060329