GB2314288B - Electric combination hammer - Google Patents

Electric combination hammer

Info

Publication number
GB2314288B
GB2314288B GB9712401A GB9712401A GB2314288B GB 2314288 B GB2314288 B GB 2314288B GB 9712401 A GB9712401 A GB 9712401A GB 9712401 A GB9712401 A GB 9712401A GB 2314288 B GB2314288 B GB 2314288B
Authority
GB
United Kingdom
Prior art keywords
electric combination
combination hammer
hammer
electric
combination
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 - Fee Related
Application number
GB9712401A
Other versions
GB9712401D0 (en
GB2314288A (en
Inventor
Karl Frauhammer
Frank Mueller
Heinz Schnerring
Karsten Blaier
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
Priority claimed from DE19720947A external-priority patent/DE19720947B4/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB9712401D0 publication Critical patent/GB9712401D0/en
Publication of GB2314288A publication Critical patent/GB2314288A/en
Application granted granted Critical
Publication of GB2314288B publication Critical patent/GB2314288B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B25D2250/261—Means for locking an operative switch on

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Surgical Instruments (AREA)
  • Electrophonic Musical Instruments (AREA)
GB9712401A 1996-06-15 1997-06-13 Electric combination hammer Expired - Fee Related GB2314288B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19623987 1996-06-15
DE19720947A DE19720947B4 (en) 1996-06-15 1997-05-17 Electric combination hammer

Publications (3)

Publication Number Publication Date
GB9712401D0 GB9712401D0 (en) 1997-08-13
GB2314288A GB2314288A (en) 1997-12-24
GB2314288B true GB2314288B (en) 1998-05-13

Family

ID=26026623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9712401A Expired - Fee Related GB2314288B (en) 1996-06-15 1997-06-13 Electric combination hammer

Country Status (3)

Country Link
CH (1) CH692658A5 (en)
GB (1) GB2314288B (en)
IT (1) IT1292120B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7322427B2 (en) 2004-06-16 2008-01-29 Makita Corporation Power impact tool

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937767B4 (en) * 1999-08-10 2004-09-09 Hilti Ag Hand-held electric combi hammer
DE10259569A1 (en) * 2002-12-19 2004-07-01 Hilti Ag Hand-held power tool, e.g. chisel hammer, has sensor switch connected free of vibration with switch carrier
DE102004012433A1 (en) 2004-03-13 2005-09-29 Robert Bosch Gmbh Hand tool
PL1640118T3 (en) 2004-09-22 2008-04-30 Black & Decker Inc Lockable trigger button for hammer drill
GB0503558D0 (en) 2005-02-22 2005-03-30 Black & Decker Inc Actuation apparatus for power tool
GB0503784D0 (en) * 2005-02-24 2005-03-30 Black & Decker Inc Hammer drill
JP4440169B2 (en) * 2005-05-16 2010-03-24 株式会社マキタ Electric impact tool
US20110308920A1 (en) * 2008-12-17 2011-12-22 Robert Bosch Gmbh Lock-On Switch System for Hand Drill and Hand Drill having the Same
JP5405864B2 (en) * 2009-03-23 2014-02-05 株式会社マキタ Impact tool
NL2006319C2 (en) * 2011-03-01 2012-09-04 Bosch Gmbh Robert ELECTRIC HAND TOOLS.
DE102015214368A1 (en) * 2014-12-09 2016-06-09 Robert Bosch Gmbh Machine tools operating device
DE102015226440A1 (en) * 2015-12-22 2017-06-22 Robert Bosch Gmbh Hand machine tool device
DE102016218535A1 (en) * 2016-09-27 2018-03-29 Robert Bosch Gmbh Switching device for a portable machine tool, in particular a drill and / or chisel hammer
CN111319008A (en) * 2018-12-15 2020-06-23 江苏东成机电工具有限公司 Multifunctional electric hammer
JP2021122870A (en) * 2020-02-03 2021-08-30 株式会社マキタ Hammer drill
JP2024035285A (en) * 2022-09-02 2024-03-14 株式会社マキタ hammer drill

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344135A (en) * 1970-02-28 1974-01-16 Bosch Gmbh Robert Electrically driven hand-held hammers
US4204580A (en) * 1978-08-03 1980-05-27 The Singer Company Forward biased switch for a reversible hammer drill
EP0399714A2 (en) * 1989-05-25 1990-11-28 Black & Decker Inc. Improvements in or relating to power tools
EP0759342A2 (en) * 1995-08-18 1997-02-26 Makita Corporation Hammer drill with a mode change-over mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344135A (en) * 1970-02-28 1974-01-16 Bosch Gmbh Robert Electrically driven hand-held hammers
US4204580A (en) * 1978-08-03 1980-05-27 The Singer Company Forward biased switch for a reversible hammer drill
EP0399714A2 (en) * 1989-05-25 1990-11-28 Black & Decker Inc. Improvements in or relating to power tools
EP0759342A2 (en) * 1995-08-18 1997-02-26 Makita Corporation Hammer drill with a mode change-over mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7322427B2 (en) 2004-06-16 2008-01-29 Makita Corporation Power impact tool

Also Published As

Publication number Publication date
GB9712401D0 (en) 1997-08-13
IT1292120B1 (en) 1999-01-25
ITMI971363A1 (en) 1998-12-10
ITMI971363A0 (en) 1997-06-10
GB2314288A (en) 1997-12-24
CH692658A5 (en) 2002-09-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150613