GB1496216A - Percussive tool - Google Patents

Percussive tool

Info

Publication number
GB1496216A
GB1496216A GB2452/75A GB245275A GB1496216A GB 1496216 A GB1496216 A GB 1496216A GB 2452/75 A GB2452/75 A GB 2452/75A GB 245275 A GB245275 A GB 245275A GB 1496216 A GB1496216 A GB 1496216A
Authority
GB
United Kingdom
Prior art keywords
air
piston
valve
chamber
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
GB2452/75A
Other languages
English (en)
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.)
Thor Power Tool Co
Original Assignee
Thor Power Tool Co
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 Thor Power Tool Co filed Critical Thor Power Tool Co
Publication of GB1496216A publication Critical patent/GB1496216A/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
    • B25D9/14—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
    • 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
    • B25D2250/255—Switches
    • B25D2250/265—Trigger mechanism in handle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB2452/75A 1974-01-21 1975-01-20 Percussive tool Expired GB1496216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/435,328 US3939925A (en) 1974-01-21 1974-01-21 Throttle valve construction for a percussion tool

Publications (1)

Publication Number Publication Date
GB1496216A true GB1496216A (en) 1977-12-30

Family

ID=23727953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2452/75A Expired GB1496216A (en) 1974-01-21 1975-01-20 Percussive tool

Country Status (5)

Country Link
US (1) US3939925A (en:Method)
CA (1) CA1025297A (en:Method)
FR (1) FR2258248B1 (en:Method)
GB (1) GB1496216A (en:Method)
SE (1) SE424522B (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993009919A1 (fr) * 1991-11-11 1993-05-27 Nauchno-Tekhnichesky Kooperativ 'tekhprogress' Instrument pneumatique
GB9206978D0 (en) * 1992-03-31 1992-05-13 Compair Power Tools Improvements in pneumatic power tools
WO1993020981A1 (en) * 1992-04-10 1993-10-28 Nauchno-Tekhnichesky Kooperativ 'tekhprogress' Pneumatic instrument
US5259463A (en) * 1992-10-02 1993-11-09 Ingersoll-Rand Company Throttle lever system for a percussive, fluid-activated apparatus
SE504957C2 (sv) * 1994-02-28 1997-06-02 Berema Atlas Copco Ab Maskinspett med handtagsförsett bakstycke
SE509211C2 (sv) * 1994-02-28 1998-12-21 Berema Atlas Copco Ab Handhållet tryckluftdrivet maskinspett
US5524715A (en) * 1994-07-29 1996-06-11 Ingersoll-Rand Company Throttle lever system for a fluid-activated, percussive paving breaker
SE506083C2 (sv) * 1995-07-06 1997-11-10 Berema Atlas Copco Ab Pneumatiskt slagverktyg
US8522895B1 (en) * 2007-08-29 2013-09-03 Thomas W. Honsa Power tool
CA2816329A1 (en) * 2010-10-26 2012-05-03 Thomas W. Honsa Tool
EP2633956B1 (en) * 2012-03-02 2016-03-02 Stanley Fastening Systems L.P. Fastening tool with dual pneumatic handle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1592856A (en) * 1924-10-29 1926-07-20 Ingersoll Rand Co Pneumatic hammer tool
US2001487A (en) * 1933-05-05 1935-05-14 Jenkins Bros Throttle valve
US2400207A (en) * 1944-06-26 1946-05-14 Chicago Pneumatic Tool Co Demolition tool handle
US2613646A (en) * 1949-03-25 1952-10-14 Independent Pneumatic Tool Co Valve mechanism for pneumatic tools
US3038446A (en) * 1960-02-16 1962-06-12 Chicago Pneumatic Tool Co Throttle valve for pneumatic percussive tool
US3373824A (en) * 1965-11-24 1968-03-19 Stanley Works Fluid operated tool

Also Published As

Publication number Publication date
SE7500518L (en:Method) 1975-07-22
CA1025297A (en) 1978-01-31
US3939925A (en) 1976-02-24
AU7734075A (en) 1976-07-15
SE424522B (sv) 1982-07-26
FR2258248B1 (en:Method) 1978-07-21
FR2258248A1 (en:Method) 1975-08-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee