EP1541292A3 - Percussion drill - Google Patents

Percussion drill Download PDF

Info

Publication number
EP1541292A3
EP1541292A3 EP04106416A EP04106416A EP1541292A3 EP 1541292 A3 EP1541292 A3 EP 1541292A3 EP 04106416 A EP04106416 A EP 04106416A EP 04106416 A EP04106416 A EP 04106416A EP 1541292 A3 EP1541292 A3 EP 1541292A3
Authority
EP
European Patent Office
Prior art keywords
motor
percussion drill
plunger
mechanically
activated
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
EP04106416A
Other languages
German (de)
French (fr)
Other versions
EP1541292B1 (en
EP1541292A2 (en
Inventor
Hubert Daxenberger
Erwin Manschitz
Ralph NEUHÄUSER
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP1541292A2 publication Critical patent/EP1541292A2/en
Publication of EP1541292A3 publication Critical patent/EP1541292A3/en
Application granted granted Critical
Publication of EP1541292B1 publication Critical patent/EP1541292B1/en
Active 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
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • 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
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0015—Tools having a percussion-only mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0023—Tools having a percussion-and-rotation mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0038—Tools having a rotation-only mode
    • 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
    • B25D2250/121—Housing details
    • 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
    • B25D2250/371—Use of springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

A hammer drill (1) has a tool socket (2) and a housing (4) containing a motor with a crank drive linked to a plunger. The motor is activated by an external switch and a mode selector switch. The rotary cam drive and the and hand hold are mechanically de-coupled from each other.
EP04106416A 2003-12-11 2004-12-09 Rotary hammer Active EP1541292B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357962A DE10357962B3 (en) 2003-12-11 2003-12-11 Rotary Hammer
DE10357962 2003-12-11

Publications (3)

Publication Number Publication Date
EP1541292A2 EP1541292A2 (en) 2005-06-15
EP1541292A3 true EP1541292A3 (en) 2006-02-01
EP1541292B1 EP1541292B1 (en) 2010-10-20

Family

ID=34485320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04106416A Active EP1541292B1 (en) 2003-12-11 2004-12-09 Rotary hammer

Country Status (3)

Country Link
EP (1) EP1541292B1 (en)
AT (1) ATE485134T1 (en)
DE (2) DE10357962B3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1030643C2 (en) * 2005-12-12 2007-06-13 Arie Koenraad Jan Rokus Horden Demolition hammer, has striker driven by magnetic force from electromagnetic coil and guided in tool length axis direction
DE102010063619A1 (en) * 2010-12-21 2012-06-21 Robert Bosch Gmbh Hand tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405922A1 (en) * 1984-02-18 1985-08-22 Robert Bosch Gmbh, 7000 Stuttgart HAND MACHINE, ESPECIALLY DRILLING HAMMER
US6192996B1 (en) * 1999-08-26 2001-02-27 Makita Corporation Mode changing mechanism for use in a hammer drill
EP1166969A2 (en) * 2000-06-26 2002-01-02 HILTI Aktiengesellschaft Hand tool
DE10108124A1 (en) * 2001-02-21 2002-08-29 Hilti Ag Mode selection rotary switch for a hand tool device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545260A1 (en) * 1995-11-24 1997-05-28 Black & Decker Inc Hammer drill
DE19933972A1 (en) * 1999-07-20 2001-01-25 Bosch Gmbh Robert Hammer drill or hammer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405922A1 (en) * 1984-02-18 1985-08-22 Robert Bosch Gmbh, 7000 Stuttgart HAND MACHINE, ESPECIALLY DRILLING HAMMER
US6192996B1 (en) * 1999-08-26 2001-02-27 Makita Corporation Mode changing mechanism for use in a hammer drill
EP1166969A2 (en) * 2000-06-26 2002-01-02 HILTI Aktiengesellschaft Hand tool
DE10108124A1 (en) * 2001-02-21 2002-08-29 Hilti Ag Mode selection rotary switch for a hand tool device

Also Published As

Publication number Publication date
DE10357962B3 (en) 2005-09-08
EP1541292B1 (en) 2010-10-20
ATE485134T1 (en) 2010-11-15
DE502004011793D1 (en) 2010-12-02
EP1541292A2 (en) 2005-06-15

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