NL7709910A - MOTOR-DRIVEN IMPACT HAMMER. - Google Patents

MOTOR-DRIVEN IMPACT HAMMER.

Info

Publication number
NL7709910A
NL7709910A NL7709910A NL7709910A NL7709910A NL 7709910 A NL7709910 A NL 7709910A NL 7709910 A NL7709910 A NL 7709910A NL 7709910 A NL7709910 A NL 7709910A NL 7709910 A NL7709910 A NL 7709910A
Authority
NL
Netherlands
Prior art keywords
motor
impact hammer
driven impact
driven
hammer
Prior art date
Application number
NL7709910A
Other languages
Dutch (nl)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of NL7709910A publication Critical patent/NL7709910A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/12—Means for driving the impulse member comprising a crank mechanism
    • B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/005—Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface
    • 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
    • B25D2250/035—Bleeding holes, e.g. in piston guide-sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
NL7709910A 1976-09-11 1977-09-09 MOTOR-DRIVEN IMPACT HAMMER. NL7709910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762641070 DE2641070A1 (en) 1976-09-11 1976-09-11 MOTOR-DRIVEN HAMMER WITH AIR SUSPENSION

Publications (1)

Publication Number Publication Date
NL7709910A true NL7709910A (en) 1978-03-14

Family

ID=5987745

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7709910A NL7709910A (en) 1976-09-11 1977-09-09 MOTOR-DRIVEN IMPACT HAMMER.

Country Status (3)

Country Link
CH (1) CH622732A5 (en)
DE (1) DE2641070A1 (en)
NL (1) NL7709910A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2415564A1 (en) * 2010-08-02 2012-02-08 Makita Corporation Impact tool
EP3181300A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
EP3181299A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
EP3181301A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
US10821589B2 (en) 2015-12-15 2020-11-03 Hilti Aktiengesellschaft Percussive power tool

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2949973C2 (en) * 1979-12-12 1984-08-30 Vsesojuznyj naučno-issledovatel'skij i proektno-konstruktorskij institut mechanizirovannogo i ručnogo stroitel'no-montažnogo instrumenta, vibratorov i stroitel'no-otdeločnych mašin VNNISMI, Chimki, Moskovskaja oblast' Impact machine
US4582144A (en) * 1984-04-25 1986-04-15 Makita Electric Works, Ltd. Percussive tools
DE3743333A1 (en) * 1987-12-21 1989-07-06 Bosch Gmbh Robert Motor-driven chiselling or drilling hammer
DE3826213A1 (en) * 1988-08-02 1990-02-15 Bosch Gmbh Robert DRILLING HAMMER
SE501276C2 (en) * 1989-10-28 1995-01-09 Berema Atlas Copco Ab Handheld striking machine
DE4239294A1 (en) * 1992-11-23 1994-05-26 Black & Decker Inc Hammer drill with pneumatic hammer mechanism
DE19714287A1 (en) * 1997-04-07 1998-10-08 Hilti Ag Drilling and / or chiseling device
DE19843642B4 (en) * 1998-09-23 2004-03-25 Wacker Construction Equipment Ag Air spring hammer mechanism with return air spring
DE10019071A1 (en) * 2000-04-18 2001-10-25 Hilti Ag Electric hand tool device with blank stop
DE10111717C1 (en) * 2001-03-12 2002-10-24 Wacker Werke Kg Air spring hammer mechanism with motion frequency controlled idle state
DE10121088A1 (en) * 2001-04-28 2002-11-07 Bosch Gmbh Robert Hammer drill and / or chisel hammer
DE102005028918A1 (en) * 2005-06-22 2006-12-28 Wacker Construction Equipment Ag Drilling and/or percussive hammer for making holes has delay device controlling valve during closing
DE102007000081A1 (en) * 2007-02-08 2008-08-21 Hilti Ag Hand tool with pneumatic percussion
JP4889564B2 (en) * 2007-05-14 2012-03-07 株式会社マキタ Impact tool
DE102011081711A1 (en) * 2011-08-29 2013-02-28 Metabowerke Gmbh Air cushion impact mechanism for a motor driven drill or percussion hammer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7408480U (en) * 1973-03-19 1974-06-06 The Black And Decker Manufacturing Co Idle device for ripping hammers

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2415564A1 (en) * 2010-08-02 2012-02-08 Makita Corporation Impact tool
EP3181300A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
EP3181299A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
EP3181301A1 (en) * 2015-12-15 2017-06-21 HILTI Aktiengesellschaft Percussive handheld machine tool
WO2017102437A1 (en) * 2015-12-15 2017-06-22 Hilti Aktiengesellschaft Striking hand-held machine tool
WO2017102431A1 (en) * 2015-12-15 2017-06-22 Hilti Aktiengesellschaft Striking hand-held machine tool
WO2017102429A1 (en) * 2015-12-15 2017-06-22 Hilti Aktiengesellschaft Striking hand-held tool
US10675742B2 (en) 2015-12-15 2020-06-09 Hilti Aktiengesellschaft Striking hand-held machine tool
US10821589B2 (en) 2015-12-15 2020-11-03 Hilti Aktiengesellschaft Percussive power tool
US10821590B2 (en) 2015-12-15 2020-11-03 Hilti Aktiengesellschaft Striking hand-held machine tool

Also Published As

Publication number Publication date
DE2641070A1 (en) 1978-03-16
DE2641070C2 (en) 1987-07-09
CH622732A5 (en) 1981-04-30

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Legal Events

Date Code Title Description
BV The patent application has lapsed