ATE213189T1 - HAMMER DRILL - Google Patents

HAMMER DRILL

Info

Publication number
ATE213189T1
ATE213189T1 AT98305568T AT98305568T ATE213189T1 AT E213189 T1 ATE213189 T1 AT E213189T1 AT 98305568 T AT98305568 T AT 98305568T AT 98305568 T AT98305568 T AT 98305568T AT E213189 T1 ATE213189 T1 AT E213189T1
Authority
AT
Austria
Prior art keywords
hammer
spindle
drill
receiving
section
Prior art date
Application number
AT98305568T
Other languages
German (de)
Inventor
Michael Stirm
Original Assignee
Black & Decker Inc
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 Black & Decker Inc filed Critical Black & Decker Inc
Application granted granted Critical
Publication of ATE213189T1 publication Critical patent/ATE213189T1/en

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
    • 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

Landscapes

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

Abstract

A rotary hammer with a hammer housing and a hammer mechanism provided therein has a tool holder (40) releasably fitted onto the front section of the hammer spindle (6) for receiving a hammer bit (41) with limited axial movement and non-rotatably. Arranged coaxially with respect to the section of the hammer spindle is a drill spindle (30), beyond the front end of which the section of the hammer spindle (6) receiving the tool holder (40) projects, and to which a drill chuck (42) for receiving an insert tool without axial displacement can be releasably and non-rotatably attached. The drill spindle (30) is driven by an additional rotary drive which operates when the electric motor is actuated, and the rotational speed of the drill spindle (30) is higher than the rotational speed of the hammer spindle (6) . <IMAGE>
AT98305568T 1997-07-18 1998-07-14 HAMMER DRILL ATE213189T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19731602A DE19731602A1 (en) 1997-07-18 1997-07-18 Hammer drill

Publications (1)

Publication Number Publication Date
ATE213189T1 true ATE213189T1 (en) 2002-02-15

Family

ID=7836611

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98305568T ATE213189T1 (en) 1997-07-18 1998-07-14 HAMMER DRILL

Country Status (3)

Country Link
EP (1) EP0891831B1 (en)
AT (1) ATE213189T1 (en)
DE (2) DE19731602A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7354230B2 (en) * 2003-12-23 2008-04-08 Lynn Bauman Bit holding apparatus for use with a power tool
DE102004036587A1 (en) * 2004-07-28 2006-03-23 Robert Bosch Gmbh Recording device for a machine tool with a tool holder and tool holder
US7726664B2 (en) 2005-12-29 2010-06-01 Black & Decker Inc. Universal tool bit shank
DE102006027110A1 (en) * 2006-06-12 2007-12-13 Robert Bosch Gmbh Hydraulic hand lever press
AU2007203350B2 (en) * 2007-07-19 2010-09-23 Ching-Cheng Chuang Structure of a power tool
CN102152282A (en) * 2011-04-19 2011-08-17 薛涛 Hammering type multi-purpose special tool
CN105033318B (en) * 2015-08-06 2017-08-18 宁波中旺工具有限公司 A kind of electric drill device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100186A1 (en) * 1991-01-05 1992-07-09 Bosch Gmbh Robert HAND MACHINE TOOL WITH REMOVABLE TOOL HOLDER
DE4205259C2 (en) * 1992-02-21 1993-12-02 Atlas Copco Elektrowerkzeuge Device for changing tools on a hand-held machine tool
DE19525915B4 (en) * 1995-07-04 2004-10-28 Black & Decker Inc., Newark Rotary Hammer

Also Published As

Publication number Publication date
EP0891831A1 (en) 1999-01-20
EP0891831B1 (en) 2002-02-13
DE69803817T2 (en) 2002-09-19
DE19731602A1 (en) 1999-01-21
DE69803817D1 (en) 2002-03-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties