DE58903984D1 - DRILLING HAMMER. - Google Patents

DRILLING HAMMER.

Info

Publication number
DE58903984D1
DE58903984D1 DE8989905644T DE58903984T DE58903984D1 DE 58903984 D1 DE58903984 D1 DE 58903984D1 DE 8989905644 T DE8989905644 T DE 8989905644T DE 58903984 T DE58903984 T DE 58903984T DE 58903984 D1 DE58903984 D1 DE 58903984D1
Authority
DE
Germany
Prior art keywords
drilling hammer
hammer
drilling
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 - Lifetime
Application number
DE8989905644T
Other languages
German (de)
Inventor
Manfred Bleicher
Ulrich Bohne
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE58903984D1 publication Critical patent/DE58903984D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B25D2216/0046—Preventing rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
DE8989905644T 1988-06-04 1989-05-27 DRILLING HAMMER. Expired - Lifetime DE58903984D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3819125A DE3819125A1 (en) 1988-06-04 1988-06-04 DRILLING HAMMER
PCT/DE1989/000336 WO1989011955A1 (en) 1988-06-04 1989-05-27 Drilling hammer

Publications (1)

Publication Number Publication Date
DE58903984D1 true DE58903984D1 (en) 1993-05-06

Family

ID=6355914

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3819125A Withdrawn DE3819125A1 (en) 1988-06-04 1988-06-04 DRILLING HAMMER
DE8989905644T Expired - Lifetime DE58903984D1 (en) 1988-06-04 1989-05-27 DRILLING HAMMER.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3819125A Withdrawn DE3819125A1 (en) 1988-06-04 1988-06-04 DRILLING HAMMER

Country Status (4)

Country Link
EP (1) EP0444030B1 (en)
JP (1) JP2703637B2 (en)
DE (2) DE3819125A1 (en)
WO (1) WO1989011955A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2828657B2 (en) * 1989-04-25 1998-11-25 松下電工株式会社 Hammer drill
DE3919936A1 (en) * 1989-06-19 1990-12-20 Bosch Gmbh Robert DRILLING HAMMER
DE3932413A1 (en) * 1989-09-28 1991-04-11 Bosch Gmbh Robert DRILLING HAMMER
DE9015285U1 (en) * 1990-02-13 1991-06-06 Kiefer, Klaus Jürgen, 2000 Hamburg Hand-held machine tool for multiple work functions
US5025562A (en) * 1990-03-01 1991-06-25 Milwaukee Electric Tool Corporation Counterbalanced reciprocating mechanism
DE4013512A1 (en) * 1990-04-27 1991-10-31 Black & Decker Inc SWITCHING DEVICE FOR SWITCHING A POWERED TOOL
DE19545260A1 (en) * 1995-11-24 1997-05-28 Black & Decker Inc Hammer drill
JP3582760B2 (en) * 1997-04-18 2004-10-27 日立工機株式会社 Hammer drill
DE102004019778B4 (en) 2004-04-23 2022-04-28 Robert Bosch Gmbh switching piece
DE102004020177A1 (en) 2004-04-24 2005-11-17 Robert Bosch Gmbh Hand tool with a rotating and / or beating drive
DE102005036731A1 (en) * 2005-08-04 2007-02-08 Robert Bosch Gmbh Coupling device for a power tool and power tool
DE102005047600A1 (en) 2005-10-05 2007-04-12 Robert Bosch Gmbh Hand tool with a shaft and a mounted on the shaft Hubantriebslager
DE102006056853A1 (en) * 2006-12-01 2008-06-05 Robert Bosch Gmbh Hand tool
DE102007001494B3 (en) 2007-01-10 2008-07-10 Aeg Electric Tools Gmbh Hand-held hammer drill
DE102007062248A1 (en) 2007-12-21 2009-06-25 Robert Bosch Gmbh Hand tool with a, at least one rotatably mounted intermediate shaft comprehensive gear device
JP5181718B2 (en) * 2008-02-22 2013-04-10 日立工機株式会社 Hammer drill
DE102008054692A1 (en) 2008-12-16 2010-06-17 Robert Bosch Gmbh Hand tool
CN102975174B (en) * 2012-12-11 2015-07-08 浙江奔宇工具有限公司 Transmission switching device of electric hammer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837409A (en) * 1973-02-26 1974-09-24 Skil Corp Rotary hammer power tool
DE2728961C2 (en) * 1977-06-27 1991-08-08 Hilti Ag, Schaan Rotary hammer with lockable tool holder
DE3039669A1 (en) * 1980-10-21 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart DRILLING HAMMER
GB2121717B (en) * 1982-06-02 1985-09-18 Black & Decker Inc Improvements in or relating to rotary percussive drills
DE3235400A1 (en) * 1982-09-24 1984-03-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electric tool for pure drilling operation, for percussion- or hammer-drilling operation and also for pure percussion operation
DE3329005A1 (en) * 1983-08-11 1985-02-28 Robert Bosch Gmbh, 7000 Stuttgart Hammer drill
DE3538166A1 (en) * 1985-10-26 1987-04-30 Hilti Ag DRILL HAMMER WITH TURN LOCK

Also Published As

Publication number Publication date
JPH03504697A (en) 1991-10-17
EP0444030A1 (en) 1991-09-04
DE3819125A1 (en) 1989-12-14
EP0444030B1 (en) 1993-03-31
WO1989011955A1 (en) 1989-12-14
JP2703637B2 (en) 1998-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)