EP2216142A3 - Manually operated air hammer with switchable vibration dampening - Google Patents

Manually operated air hammer with switchable vibration dampening Download PDF

Info

Publication number
EP2216142A3
EP2216142A3 EP09450206A EP09450206A EP2216142A3 EP 2216142 A3 EP2216142 A3 EP 2216142A3 EP 09450206 A EP09450206 A EP 09450206A EP 09450206 A EP09450206 A EP 09450206A EP 2216142 A3 EP2216142 A3 EP 2216142A3
Authority
EP
European Patent Office
Prior art keywords
working cylinder
handle body
acted
compressed air
manually operated
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.)
Granted
Application number
EP09450206A
Other languages
German (de)
French (fr)
Other versions
EP2216142A2 (en
EP2216142B1 (en
Inventor
Karl Meisenbichler
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.)
BBG Baugeraete GmbH
Original Assignee
BBG Baugeraete GmbH
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 BBG Baugeraete GmbH filed Critical BBG Baugeraete GmbH
Priority to SI200930059T priority Critical patent/SI2216142T1/en
Publication of EP2216142A2 publication Critical patent/EP2216142A2/en
Publication of EP2216142A3 publication Critical patent/EP2216142A3/en
Application granted granted Critical
Publication of EP2216142B1 publication Critical patent/EP2216142B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/04—Handles; Handle mountings
    • B25D17/046—Sleeve-like handles surrounding the tool bit
    • 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
    • B25D2250/005—Adjustable tool components; Adjustable parameters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Die Erfindung bezieht sich auf einen handgeführten Drucklufthammer mit Vibrationsdämpfung, bestehend im Wesentlichen aus einem Griffkörperteil und einem in diesem geführten Arbeitszylinder mit einem Schlagkolben.The invention relates to a hand-held pneumatic hammer with vibration damping, consisting essentially of a handle body part and a run in this working cylinder with a percussion piston.

Um einen handgeführten Drucklufthammer mit einfach schaltbarer Vibrationsdämpfung zu schaffen, bei welchem der (die) Handgriff(e) starr mit dem Griffkörper verbunden sind, ist erfindungsgemäß vorgesehen, dass zwischen Griffkörperteil (1) und Arbeitszylinder (2) eine mit Druckluft beaufschlagbare Dämpfungskammer (6) gebildet ist, in welcher der Arbeitszylinder (2) in Schlagrichtung des Kolbens (3) einen vergrößerten Durchmesser und derart einen Ringquerschnitt mit einer Dämpfungsfläche (21) aufweist und gegen die Schlagrichtung des Kolbens zwischen Arbeitszylinder (2) und Griffkörper (1) im Wesentlichen stirnseitig ein mit Druckluft beaufschlagbarer Verschieberaum (4) ausgeformt ist, welcher Verschieberaum (4) durch ein Schaltmittel (5) wahlweise mit Druckluft (D) beaufschlagbar oder mit der Umgebungsluft (U) verbindbar ist.

Figure imgaf001
In order to provide a hand-held pneumatic hammer with easily switchable vibration damping, in which the (the) handle (s) are rigidly connected to the handle body, the invention provides that between the handle body part (1) and working cylinder (2) acted upon by compressed air damping chamber (6 ) is formed, in which the working cylinder (2) in the direction of impact of the piston (3) has an enlarged diameter and thus a ring cross-section with a damping surface (21) and against the direction of impact of the piston between the working cylinder (2) and handle body (1) substantially a displacement chamber (4) which can be acted upon with compressed air is formed on the end face, which displacement space (4) can be acted upon by a switching means (5) optionally with compressed air (D) or can be connected to the ambient air (U).
Figure imgaf001
EP09450206A 2008-11-20 2009-10-29 Manually operated air hammer with switchable vibration dampening Not-in-force EP2216142B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200930059T SI2216142T1 (en) 2008-11-20 2009-10-29 Manually operated air hammer with switchable vibration dampening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0181308A AT507210B1 (en) 2008-11-20 2008-11-20 HAND-HELD COMPRESSED AIR HAMMER WITH SWITCHABLE VIBRATION DAMPING

Publications (3)

Publication Number Publication Date
EP2216142A2 EP2216142A2 (en) 2010-08-11
EP2216142A3 true EP2216142A3 (en) 2010-10-20
EP2216142B1 EP2216142B1 (en) 2011-08-10

Family

ID=41667471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09450206A Not-in-force EP2216142B1 (en) 2008-11-20 2009-10-29 Manually operated air hammer with switchable vibration dampening

Country Status (6)

Country Link
EP (1) EP2216142B1 (en)
AT (2) AT507210B1 (en)
ES (1) ES2370467T3 (en)
HR (1) HRP20110765T1 (en)
PT (1) PT2216142E (en)
SI (1) SI2216142T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111716298B (en) * 2020-06-28 2021-07-23 山东沂蒙工具有限公司 Can utilize recoil force to vibrate rust cleaning hammer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596681A1 (en) * 1986-04-03 1987-10-09 Eimco Secoma Hydraulic percussion apparatus with a device for damping out the return shock waves
AT501861A1 (en) * 2005-05-25 2006-12-15 Bbg Baugeraete Gmbh & Co Kg HAND-HELD, VIBRATION-STEAMED AIR HAMMER

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT8378U1 (en) 2005-01-14 2006-07-15 Bbg Baugeraete Gmbh & Co Kg HAND-HELD COMPRESSED AIR CRASH HAMMER

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596681A1 (en) * 1986-04-03 1987-10-09 Eimco Secoma Hydraulic percussion apparatus with a device for damping out the return shock waves
AT501861A1 (en) * 2005-05-25 2006-12-15 Bbg Baugeraete Gmbh & Co Kg HAND-HELD, VIBRATION-STEAMED AIR HAMMER

Also Published As

Publication number Publication date
AT507210B1 (en) 2010-03-15
SI2216142T1 (en) 2011-10-28
ES2370467T3 (en) 2011-12-16
AT507210A4 (en) 2010-03-15
EP2216142A2 (en) 2010-08-11
HRP20110765T1 (en) 2011-11-30
EP2216142B1 (en) 2011-08-10
PT2216142E (en) 2011-09-05
ATE519569T1 (en) 2011-08-15

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