CH675847A5 - - Google Patents

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Publication number
CH675847A5
CH675847A5 CH166588A CH166588A CH675847A5 CH 675847 A5 CH675847 A5 CH 675847A5 CH 166588 A CH166588 A CH 166588A CH 166588 A CH166588 A CH 166588A CH 675847 A5 CH675847 A5 CH 675847A5
Authority
CH
Switzerland
Prior art keywords
piston
hammer drill
drill according
air
air chamber
Prior art date
Application number
CH166588A
Other languages
German (de)
English (en)
Inventor
Gerhard Meixner
Karl Dr Wanner
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 CH675847A5 publication Critical patent/CH675847A5/de

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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
CH166588A 1987-05-26 1988-05-04 CH675847A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873717694 DE3717694A1 (de) 1987-05-26 1987-05-26 Bohrhammer

Publications (1)

Publication Number Publication Date
CH675847A5 true CH675847A5 (da) 1990-11-15

Family

ID=6328433

Family Applications (1)

Application Number Title Priority Date Filing Date
CH166588A CH675847A5 (da) 1987-05-26 1988-05-04

Country Status (2)

Country Link
CH (1) CH675847A5 (da)
DE (1) DE3717694A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9418119U1 (de) * 1994-11-11 1995-01-19 RAS GmbH, 57647 Nistertal Schlagdämpfungsvorrichtung
DE10348514B3 (de) * 2003-10-18 2005-02-17 Hilti Ag Handwerkzeugmaschine mit einem Schlagwerk mit zweiteiligem Pleuel
DE502004008342D1 (de) * 2004-04-07 2008-12-11 Hilti Ag Verfahren und Einrichtung zur Reduktion von Druckspitzen in einer Handwerkzeugmaschine mit elektropneumatischem Schlagwerk
DE102011105600A1 (de) * 2011-06-27 2012-12-27 Wacker Neuson Produktion GmbH & Co. KG Luftfederschlagwerk mit geteiltem Luftfedervolumen
EP3034242A1 (de) * 2014-12-18 2016-06-22 HILTI Aktiengesellschaft Handwerkzeugmaschine

Also Published As

Publication number Publication date
DE3717694A1 (de) 1988-12-08

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Legal Events

Date Code Title Description
PL Patent ceased