EP0888851A3 - Drilling - and/or percussion apparatus - Google Patents

Drilling - and/or percussion apparatus Download PDF

Info

Publication number
EP0888851A3
EP0888851A3 EP98810564A EP98810564A EP0888851A3 EP 0888851 A3 EP0888851 A3 EP 0888851A3 EP 98810564 A EP98810564 A EP 98810564A EP 98810564 A EP98810564 A EP 98810564A EP 0888851 A3 EP0888851 A3 EP 0888851A3
Authority
EP
European Patent Office
Prior art keywords
drilling
tool holder
elastic ring
striking mechanism
percussion apparatus
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.)
Granted
Application number
EP98810564A
Other languages
German (de)
French (fr)
Other versions
EP0888851A2 (en
EP0888851B1 (en
Inventor
Peter Gerold
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP0888851A2 publication Critical patent/EP0888851A2/en
Publication of EP0888851A3 publication Critical patent/EP0888851A3/en
Application granted granted Critical
Publication of EP0888851B1 publication Critical patent/EP0888851B1/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
    • 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
    • B25D16/003—Clutches specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Das Bohr- und/oder Meisselgerät weist ein Schlagwerk (7), eine Werkzeugaufnahme (1) und ein zwischen dem Schlagwerk (7) und der Werkzeugaufnahme (1) angeordnetes, axial versetzbares Dämpfungselement (8) für einen Döpper (9) auf, der mit dem Einsteckende eines in die Werkzeugaufnahme (1) einsetzbaren Werkzeuges zusammenwirkt. Das Dämpfungselement (8) weist entgegen der Bohrrichtung hintereinander angeordnet eine Anschlagscheibe (86), einen elastischen Ring (83) sowie ein Übertragungselement (81) und das Übertragungselement (81) einen der Aufnahme der Anschlagscheibe (86) und des elastischen Ringes (83) dienenden Aufnahmebereich auf.

Figure 00000001
The drilling and / or chiseling device has a striking mechanism (7), a tool holder (1) and an axially displaceable damping element (8) for a striker (9) arranged between the striking mechanism (7) and the tool holder (1) interacts with the insertion end of a tool that can be inserted into the tool holder (1). The damping element (8) has a stop disk (86), an elastic ring (83), and a transmission element (81), and the transmission element (81) one behind the other in the direction of the drilling direction, accommodates the stop disk (86) and the elastic ring (83). serving recording area.
Figure 00000001
EP98810564A 1997-07-04 1998-06-19 Drilling - and/or percussion apparatus Expired - Lifetime EP0888851B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29711704U DE29711704U1 (en) 1997-07-04 1997-07-04 Drilling and / or chiseling device
DE29711704U 1997-07-04

Publications (3)

Publication Number Publication Date
EP0888851A2 EP0888851A2 (en) 1999-01-07
EP0888851A3 true EP0888851A3 (en) 2003-01-08
EP0888851B1 EP0888851B1 (en) 2006-11-08

Family

ID=8042581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810564A Expired - Lifetime EP0888851B1 (en) 1997-07-04 1998-06-19 Drilling - and/or percussion apparatus

Country Status (4)

Country Link
US (1) US5996708A (en)
EP (1) EP0888851B1 (en)
JP (1) JP4195125B2 (en)
DE (2) DE29711704U1 (en)

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Publication number Priority date Publication date Assignee Title
GB9910599D0 (en) 1999-05-08 1999-07-07 Black & Decker Inc Rotary hammer
DE10106050B4 (en) * 2001-02-09 2017-02-16 Hilti Aktiengesellschaft Hand tool with an additional handle
EP1238759B1 (en) 2001-03-07 2003-12-17 Black & Decker Inc. Hammer
US7032683B2 (en) 2001-09-17 2006-04-25 Milwaukee Electric Tool Corporation Rotary hammer
GB2401570B (en) * 2003-05-12 2006-07-05 Black & Decker Inc Spindle assembly for hammer drill
DE10323606B4 (en) * 2003-05-20 2005-04-14 Robert Bosch Gmbh Hammer drill has ring-shaped elastomer body surrounding knocker movable in guide to absorb and deaden sound and impact
EP1504852B1 (en) * 2003-08-06 2010-04-21 Hitachi Koki Co., Ltd. Impact drill
TWM293826U (en) * 2006-01-10 2006-07-11 Shuen Tai Prec Entpr Co Ltd Portable power hammer chisel having shock absorbing guiding sleeve
JP2009539628A (en) * 2006-06-06 2009-11-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Hitting mechanism with hitting pin and correspondingly arranged restraining device
JP2008012661A (en) 2006-07-01 2008-01-24 Black & Decker Inc Beat piece wear indicator for hammer drill
US7401661B2 (en) 2006-07-01 2008-07-22 Black & Decker Inc. Lubricant pump for powered hammer
AU2007202968A1 (en) 2006-07-01 2008-01-17 Black & Decker, Inc. A pavement breaker
US7413026B2 (en) 2006-07-01 2008-08-19 Black & Decker Inc. Lubricant system for powered hammer
EP1872913B1 (en) 2006-07-01 2015-08-19 Black & Decker, Inc. A tool holder for a hammer apparatus
DE102006000395A1 (en) * 2006-08-07 2008-02-14 Hilti Ag Hand tool with pneumatic percussion
JP5100171B2 (en) * 2007-03-27 2012-12-19 株式会社マキタ Impact type work tool
JP5154995B2 (en) * 2008-03-28 2013-02-27 株式会社マキタ Impact tool
US8636081B2 (en) 2011-12-15 2014-01-28 Milwaukee Electric Tool Corporation Rotary hammer
DE102010044011A1 (en) * 2010-11-16 2012-05-16 Hilti Aktiengesellschaft Hand tool
DE102011078628A1 (en) * 2011-07-05 2013-01-10 Robert Bosch Gmbh chlagwerkvorrichtung
US10534606B2 (en) 2011-12-08 2020-01-14 Oracle International Corporation Run-length encoding decompression
SE537773C2 (en) 2012-02-17 2015-10-13 Tools Pc Ab Const Impact device containing a recoil damper
DE102013212597A1 (en) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Percussion device
US11113054B2 (en) 2013-09-10 2021-09-07 Oracle International Corporation Efficient hardware instructions for single instruction multiple data processors: fast fixed-length value compression
US20180180128A1 (en) * 2015-06-29 2018-06-28 Terminator Ip Limited Shock absorbing tool connection
US10599488B2 (en) 2016-06-29 2020-03-24 Oracle International Corporation Multi-purpose events for notification and sequence control in multi-core processor systems
US10380058B2 (en) 2016-09-06 2019-08-13 Oracle International Corporation Processor core to coprocessor interface with FIFO semantics
US10783102B2 (en) 2016-10-11 2020-09-22 Oracle International Corporation Dynamically configurable high performance database-aware hash engine
US10176114B2 (en) 2016-11-28 2019-01-08 Oracle International Corporation Row identification number generation in database direct memory access engine
US10459859B2 (en) 2016-11-28 2019-10-29 Oracle International Corporation Multicast copy ring for database direct memory access filtering engine
US10725947B2 (en) 2016-11-29 2020-07-28 Oracle International Corporation Bit vector gather row count calculation and handling in direct memory access engine
AU2018102160A4 (en) 2017-07-31 2020-03-05 Milwaukee Electric Tool Corporation Rotary power tool
US10814468B2 (en) 2017-10-20 2020-10-27 Milwaukee Electric Tool Corporation Percussion tool
WO2019147919A1 (en) 2018-01-26 2019-08-01 Milwaukee Electric Tool Corporation Percussion tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646852A (en) * 1985-02-14 1987-03-03 Senco Products, Inc. Pneumatic mallet
US5050687A (en) * 1988-09-23 1991-09-24 Prokhorov Ivan A Compression-vacuum action percussive machine
US5099926A (en) * 1990-04-05 1992-03-31 Makita Corporation Impact tool
US5407018A (en) * 1994-01-10 1995-04-18 Tc Services Pneumatic impact tool having improved vibration and noise attenuation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035643A (en) * 1934-06-25 1936-03-31 Independent Pneumatic Tool Co Cushioning means for tools
US3266581A (en) * 1963-11-01 1966-08-16 Mechanical Res Corp Vibrationless power tool
US3625295A (en) * 1970-02-12 1971-12-07 Kent Air Tool Co Airhammer
DE3224176C2 (en) * 1982-06-29 1995-02-02 Bosch Gmbh Robert Motor-driven striking hand machine tool
US4653596A (en) * 1983-04-05 1987-03-31 Institut Gornogo Dela Sibirskogo Otdelenia An Sssr Percussive air tool
DE3504650C2 (en) * 1985-02-12 1994-01-20 Bosch Gmbh Robert Hammer drill with increased actuation force for the coupling of the impact drive
DE3506695A1 (en) * 1985-02-26 1986-08-28 Robert Bosch Gmbh, 7000 Stuttgart DRILLING HAMMER
US5363835A (en) * 1992-08-31 1994-11-15 Rocktec Limited Nose block assembly
JP3424870B2 (en) * 1995-02-28 2003-07-07 株式会社マキタ Immersion prevention device for impact tools
JP3459493B2 (en) * 1995-05-25 2003-10-20 株式会社マキタ Impact tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646852A (en) * 1985-02-14 1987-03-03 Senco Products, Inc. Pneumatic mallet
US5050687A (en) * 1988-09-23 1991-09-24 Prokhorov Ivan A Compression-vacuum action percussive machine
US5099926A (en) * 1990-04-05 1992-03-31 Makita Corporation Impact tool
US5407018A (en) * 1994-01-10 1995-04-18 Tc Services Pneumatic impact tool having improved vibration and noise attenuation

Also Published As

Publication number Publication date
EP0888851A2 (en) 1999-01-07
EP0888851B1 (en) 2006-11-08
DE29711704U1 (en) 1997-09-04
DE59813790D1 (en) 2006-12-21
US5996708A (en) 1999-12-07
JP4195125B2 (en) 2008-12-10
JPH1177558A (en) 1999-03-23

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