EP2216141B1 - Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff - Google Patents
Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff Download PDFInfo
- Publication number
- EP2216141B1 EP2216141B1 EP10161817A EP10161817A EP2216141B1 EP 2216141 B1 EP2216141 B1 EP 2216141B1 EP 10161817 A EP10161817 A EP 10161817A EP 10161817 A EP10161817 A EP 10161817A EP 2216141 B1 EP2216141 B1 EP 2216141B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- machine housing
- levers
- legs
- power tool
- 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
Links
- 238000013016 damping Methods 0.000 title description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- 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
- B25D17/04—Handles; Handle mountings
- B25D17/043—Handles resiliently mounted relative to the hammer housing
Definitions
- the present invention relates to a hand tool machine with vibration-damped handle, according to the preamble of claim 1 of the two extending approximately parallel to the longitudinal axis of the power tool leg has and is resiliently coupled to the machine housing.
- a power tool is known from DE 41 04 917 A1.
- thermoplastic elastomeric plastic to connect to the machine housing. So far, it is usual to connect the handle in two places with the machine housing. Even if one or more coupling points are provided with damping means, still finds a relatively high coupling of vibrations from the machine housing to the handle instead.
- GB 1 549 771 and DE 41 04 917 A1 is in each case a hand tool with a vibration-damping handle known which has two approximately parallel to the longitudinal axis of the power tool running leg and is resiliently coupled to the machine housing.
- a substantially aligned perpendicular to the machine longitudinal axis lever is articulated with one of its two ends on each leg, and the levers are hinged at their other ends to a lying between the two legs of the handle portion of the machine housing.
- the handle devices shown here have disadvantages because on the one hand many parts are required and on the other hand, injury risks arise from the open structure.
- the invention is therefore based on the object to provide a hand tool with a handle of the type mentioned, which is coupled with the simplest possible means largely vibration-damped to the machine housing of the power tool.
- a high synchronization of the transmitted to the two legs of the lever movements is achieved with the features of claim 1, characterized in that the articulated on the machine housing ends of the lever have provided with a toothing rounding and that the articulation points of the lever on the machine housing so placed are that the serrations engage at the ends of the levers. Tilting and tilting of the handle can be largely suppressed by this measure.
- the hinged to the individual legs of the handle levers are the same length. This ensures that the relative movement between the handle and the machine housing has almost exclusively a component in the direction of the longitudinal axis of the power tool. There are almost no movement components in other directions, which could bring an additional acceleration to the hand of the operator.
- the articulation points of the levers can be arranged close to one another on the machine housing.
- An improvement in the guidance and stability of the handle can be achieved that are articulated on the machine housing and on each of the two legs of the handle, two parallel, aligned substantially perpendicular to the machine longitudinal axis lever.
- the ends of the legs of the handle are resiliently supported on the machine housing.
- a further advantageous embodiment for vibration damping of the handle is that between the handle and the machine housing, one or more electrically controllable or controllable actuators are arranged which damp a vibration of the handle by counteracting a force or movement resulting from the vibration of the machine housing ,
- FIG. 1 schematically is a hand tool, z. B. a hammer drill or chisel or the like.
- the hand tool consists of a machine housing 1, in which the machine drive is located, and a handle 3 coupled to the machine housing 1.
- the handle 3 is U-shaped and has two legs 5 and 7, which extend approximately parallel to the longitudinal axis 9 of the power tool , Preferably, the ends of the legs lead 5 and 7 of the handle 3 in molded on the machine housing 1 pockets 11 and 13 into it. In these pockets 11 and 13, the ends of the two legs 5 and 7 are supported by spring elements 15 and 17 against the machine housing 1. These spring elements 15 and 17 receive the force exerted on the handle 3 by the operator pressing force.
- An advantageous embodiment for vibration damping of the handle is that between the handle 3, in addition to the springs 15, 17 or without springs, and the machine housing 1, one or more electrically controllable or controllable actuators are arranged, which thereby vibration of the handle 3 dampen that they counteract a resulting from the vibration of the machine housing 1 force or movement.
- Such actuators are z. B. known from the EP 0 206 981 A2 or the WO 98/21014 ,
- a lever 19, 21 is articulated so that it in the direction of the longitudinal axis 9 of the power tool is pivotable.
- the two levers 19 and 21 are the same length.
- the legs 5 and 7 remote from the ends of the levers 19 and 21 are hinged to the machine housing 1 in a lying between the two legs 5 and 7 area so that they are aligned substantially perpendicular to the machine longitudinal axis 9.
- the articulation points 23 and 25 of the two levers 19 and 21 on the machine housing 1 are close together.
- Tilting or tilting of the handle can be avoided by means which synchronize the levers 19 and 21 in their movement.
- the ends of the levers 19, 21 articulated on the machine housing have a rounding 27, 29, which is provided with a toothing 31, 33.
- the articulation points 23 and 25 of the two levers 19 and 21 are placed and their toothing 31, 33 provided with curves 27, 29 are dimensioned so that the serrations 31, 33 engage at the ends of the levers 19 and 21.
- lever mechanism results in a very strong decoupling of the handle 3 against vibrations of the machine housing 1, which are caused for example by a striking mechanism.
- the decoupling of the handle relative to the machine housing arises from the fact that because of the lever mechanism no direct connection points between the handle 3 and the machine housing 1 are required to give the handle 3 a high stability.
- the levers 19 and 21 ensure that the handle 3 can perform a relative movement relative to the machine housing 1 almost exclusively in the direction of the machine longitudinal axis 9. Other components of movement, eg. B. tilting or tilting of the handle 3 is almost impossible due to a high degree of synchronization of the two lever movements.
- the distance d between the articulation points 35 and 37 of the two levers 19 and 21 on the horizontal legs 5 and 7 of the handle 3 in a range of about 0 changes ,1 mm.
- This slight change in the distance d between the articulation points 35 and 37 can be absorbed by the fact that the handle 3 is constructed or consists of such a material that it allows a certain elastic deformation.
- FIG. 2 illustrated, not inventive hand tool with a vibration-damped handle is similar to that in the FIG. 1 illustrated embodiment except for the articulation of the two levers 19 and 21 on the machine housing 1. While in the embodiment in the FIG. 1 the two levers 19 and 21 adjacent pivot points 23 and 25 have the levers 19 and 21 in the in the FIG. 2 Hand tool shown a common point of articulation 39 on the housing 1. D. h. the two levers 19 and 21 are rotatably mounted on the housing 1 on a common axis 39.
- FIG. 3 is another, not inventive hand tool with vibration damped handle 3 shown. All parts in this hand tool, which have the same function as in the hand-held power tools described above, have the same already in the FIGS. 1 and 2 used reference numerals. On the related to the FIGS. 1 and 2 described details will therefore not be discussed in more detail.
- the main difference of this in FIG. 3 Hand tool shown opposite the hand tool described above is in Lever mechanism that connects the handle 3 with the machine housing 1. While in the hand tool according to the FIGS.
- each leg 5, 7 is connected only via a lever to the machine housing 1, are hinged to the leg 5 of the handle 3 and to the machine housing 1 two parallel levers 41 and 43 and to the leg 7 and the machine housing 1 are also two parallel levers 45 and 47 articulated. Ie.
- Each of the two legs 5, 7 is connected via a so-called parallel oscillator 41, 43 and 45, 47 resiliently connected to the machine housing.
- the parallel oscillator 41, 43 and 45, 47 give the handle 3 a stable backlash-free storage and suppress very strong unwanted movement components that differ from a movement of the handle in the direction of the machine longitudinal axis 9.
- opposing levers 41, 45 and 43, 47 of the two parallel oscillators each have a common pivot point 49, 51 on the machine housing 1.
- the respective opposing levers 41, 45 and 43, 47 can also, as in the hand tool according to FIG. 1 , have adjacent articulation points and also be provided at their ends with curves, which have interlocking serrations. For a very high synchrony of the movements of the two legs 5 and 7 of the handle 3 is achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Vibration Prevention Devices (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Confectionery (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10136015A DE10136015A1 (de) | 2001-07-24 | 2001-07-24 | Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff |
EP02729781A EP1414624B1 (de) | 2001-07-24 | 2002-03-13 | Handwerkzeugmaschine mit vibrationsgedämpftem handgriff |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02729781.1 Division | 2002-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2216141A1 EP2216141A1 (de) | 2010-08-11 |
EP2216141B1 true EP2216141B1 (de) | 2011-11-16 |
Family
ID=7692903
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10161817A Expired - Lifetime EP2216141B1 (de) | 2001-07-24 | 2002-03-13 | Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff |
EP02729781A Expired - Lifetime EP1414624B1 (de) | 2001-07-24 | 2002-03-13 | Handwerkzeugmaschine mit vibrationsgedämpftem handgriff |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02729781A Expired - Lifetime EP1414624B1 (de) | 2001-07-24 | 2002-03-13 | Handwerkzeugmaschine mit vibrationsgedämpftem handgriff |
Country Status (8)
Country | Link |
---|---|
US (1) | US7076838B2 (zh) |
EP (2) | EP2216141B1 (zh) |
JP (1) | JP2004521771A (zh) |
CN (1) | CN100352613C (zh) |
AT (2) | ATE468945T1 (zh) |
DE (2) | DE10136015A1 (zh) |
ES (1) | ES2344404T3 (zh) |
WO (1) | WO2003011532A1 (zh) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10162633B4 (de) * | 2001-12-20 | 2012-12-06 | Hilti Aktiengesellschaft | Bolzensetzgerät |
GB2402098B (en) * | 2003-05-21 | 2007-10-17 | Black & Decker Inc | Vibration reduction apparatus for power tool and power tool incorporating such apparatus |
GB2407791A (en) * | 2003-11-04 | 2005-05-11 | Black & Decker Inc | Vibration reduction apparatus for a power tool |
GB2407790A (en) * | 2003-11-04 | 2005-05-11 | Black & Decker Inc | Vibration reduction apparatus for a power tool |
GB2407789A (en) * | 2003-11-04 | 2005-05-11 | Black & Decker Inc | Vibration reduction apparatus for a power tool |
DE10355103B4 (de) * | 2003-11-24 | 2010-03-18 | Itw-Befestigungssysteme Gmbh | Vibrationsgedämpfter Handgriff für ein handgeführtes Elektrowerkzeug |
DE10357758A1 (de) * | 2003-12-10 | 2005-07-21 | Wacker Construction Equipment Ag | Aufbruch- und/oder Bohrhammer mit linear geführter Griffeinrichtung |
DE102004019776A1 (de) * | 2004-04-23 | 2005-11-17 | Robert Bosch Gmbh | Handwerkzeugmaschine, insbesondere Bohr- und/oder Schlaghammer |
DE102004041219A1 (de) * | 2004-08-26 | 2006-03-02 | Robert Bosch Gmbh | Handwerkzeugmaschinengriffvorrichtung mit einer Vibrationsabschirmeinheit |
DE102004051465A1 (de) * | 2004-10-22 | 2006-04-27 | Robert Bosch Gmbh | Handwerkzeugmaschine mit schwingungsgedämpftem Pistolenhandgriff |
DE102005007547B4 (de) * | 2005-02-18 | 2024-11-07 | Robert Bosch Gmbh | Handwerkzeugmaschine |
SE529839C2 (sv) * | 2005-05-26 | 2007-12-04 | Atlas Copco Constr Tools Ab | Brytverktyg med avvibrerad handtagsanordning |
FR2886664A1 (fr) * | 2005-06-03 | 2006-12-08 | Arvinmeritor Light Vehicle Sys | Poignee et porte avec la poignee |
GB2431610A (en) * | 2006-03-03 | 2007-05-02 | Black & Decker Inc | Handle Damping System |
JP5041575B2 (ja) * | 2006-03-07 | 2012-10-03 | 日立工機株式会社 | 打撃工具 |
US7766096B2 (en) * | 2006-03-07 | 2010-08-03 | Hitachi Koki Co., Ltd. | Electrical power tool |
DE102006016442A1 (de) * | 2006-04-07 | 2007-10-11 | Robert Bosch Gmbh | Handwerkzeugmaschine mit vibrationsgedämpftem Handgriff |
DE102006021307A1 (de) | 2006-05-08 | 2007-11-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften Handgriff |
DE102006034078A1 (de) * | 2006-06-02 | 2007-12-06 | Robert Bosch Gmbh | Schleifhandwerkzeugmaschine sowie Vibrationsentkopplungsvorrichtung einer Schleifhandwerkzeugmaschine |
JP4626574B2 (ja) * | 2006-06-16 | 2011-02-09 | 日立工機株式会社 | 電動工具 |
US8006778B2 (en) * | 2006-06-16 | 2011-08-30 | Robert Bosch Gmbh | Handheld power tool |
DE102006027785A1 (de) * | 2006-06-16 | 2007-12-20 | Robert Bosch Gmbh | Handwerkzeugmaschine |
DE102006000374A1 (de) * | 2006-07-27 | 2008-01-31 | Hilti Ag | Handwerkzeuggerät mit Entkopplungsanordnung |
DE102006000375A1 (de) * | 2006-07-27 | 2008-01-31 | Hilti Ag | Handwerkzeuggerät mit Entkoppelungsanordnung |
DE102006051924A1 (de) * | 2006-11-03 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften, mit einem Schalter versehenen Handgriff |
DE102006052807A1 (de) * | 2006-11-09 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem vibrationsgedämpften Bügelhandgriff |
GB2431133A (en) * | 2007-01-17 | 2007-04-18 | Black & Decker Inc | A power tool with vibration reduction apparatus |
US8100745B2 (en) * | 2007-03-16 | 2012-01-24 | Black & Decker Inc. | Low vibration sander with a flexible top handle |
US7806201B2 (en) * | 2007-07-24 | 2010-10-05 | Makita Corporation | Power tool with dynamic vibration damping |
GB2451293A (en) * | 2007-07-27 | 2009-01-28 | Black & Decker Inc | Hammer drill with slidably mounted handle |
DE102007042721A1 (de) * | 2007-09-07 | 2009-03-12 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem durch ein Ausgleichsmittel schwingungsgedämpften Handgriff |
DE102007055843A1 (de) * | 2007-12-17 | 2009-06-25 | Hilti Aktiengesellschaft | Handwerkzeugmaschine mit Schwingungsausgleicher |
DE102007062717A1 (de) * | 2007-12-27 | 2009-07-02 | Robert Bosch Gmbh | Zusatzhandgriffvorrichtung |
GB0801304D0 (en) * | 2008-01-24 | 2008-03-05 | Black & Decker Inc | Hammer drill |
GB0804964D0 (en) * | 2008-03-18 | 2008-04-16 | Black & Decker Inc | Hammer |
GB2472997A (en) * | 2009-08-26 | 2011-03-02 | Black & Decker Inc | Hammer drill with vibration damping means in handle |
US9849577B2 (en) * | 2012-02-03 | 2017-12-26 | Milwaukee Electric Tool Corporation | Rotary hammer |
WO2013116680A1 (en) | 2012-02-03 | 2013-08-08 | Milwaukee Electric Tool Corporation | Rotary hammer |
US8813615B2 (en) * | 2012-06-06 | 2014-08-26 | Hubbell Incorporated | Handle assembly for hand-operated tool |
US8966773B2 (en) | 2012-07-06 | 2015-03-03 | Techtronic Power Tools Technology Limited | Power tool including an anti-vibration handle |
EP2848370A1 (de) * | 2013-09-12 | 2015-03-18 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
JP2015089593A (ja) * | 2013-11-05 | 2015-05-11 | 株式会社マキタ | 作業工具 |
EP3117963A1 (de) * | 2015-07-17 | 2017-01-18 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
US10131049B1 (en) * | 2017-05-24 | 2018-11-20 | Steven M. Oas | Double wide shock-absorbing handle for tools |
CN107649703A (zh) * | 2017-09-21 | 2018-02-02 | 佛山市深研信息技术有限公司 | 一种手持式车轮钻孔设备 |
EP3501750A1 (de) * | 2017-12-19 | 2019-06-26 | Hilti Aktiengesellschaft | Vibrationsgedämpfte handwerkzeugmaschine |
CN216442260U (zh) | 2019-06-12 | 2022-05-06 | 米沃奇电动工具公司 | 电动工具 |
JP2022128006A (ja) * | 2021-02-22 | 2022-09-01 | 株式会社マキタ | 打撃工具 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3322211A (en) * | 1964-05-06 | 1967-05-30 | Novosib Elektrotekhnichesky I | Elastic handle for vibrating-impact mechanisms |
CS149009B1 (zh) * | 1971-02-01 | 1973-05-24 | ||
GB1549771A (en) | 1975-07-11 | 1979-08-08 | Post Office | Vibratory tool with vibration isolation mechanism |
US4060138A (en) * | 1976-07-08 | 1977-11-29 | Post Office | Vibratory tools |
JPS54127080A (en) * | 1978-03-25 | 1979-10-02 | Makoto Nandate | Vibration isolation device in handle of machine in which vibration is formed |
JPS6052915B2 (ja) * | 1980-10-13 | 1985-11-21 | 誠 南舘 | 防振用ハンドル装置 |
ATE34531T1 (de) * | 1983-02-03 | 1988-06-15 | Maco Meudon Sa | Schlagwerkzeug mit schwingenden handgriffen. |
DE3447401A1 (de) * | 1984-12-24 | 1986-07-03 | Wacker-Werke Gmbh & Co Kg, 8077 Reichertshofen | Hammer mit schutzhaube |
DE3505181A1 (de) * | 1985-02-15 | 1986-08-21 | Hilti Ag, Schaan | Schwingungen erzeugendes handwerkzeug |
DE3521808A1 (de) | 1985-06-19 | 1987-01-02 | Hilti Ag | Schwingungen erzeugendes handwerkzeug |
DE3839207A1 (de) * | 1988-11-19 | 1990-05-23 | Hilti Ag | Tragbares handgeraet mit schlagwerk |
DE4104917A1 (de) | 1991-02-18 | 1992-08-20 | Gerlach Rainer | Anordnung zur schwingungsberuhigung von griffelementen an erregten massen |
DE19503526A1 (de) * | 1995-02-03 | 1996-08-08 | Bosch Gmbh Robert | Bohr- und/oder Schlaghammer mit abnehmbarem vibrationsgedämpften Handgriff sowie vibrationsgedämpfte Handgriffanordnung für einen Bohr- und/oder Schlaghammer |
DE19646622B4 (de) | 1996-11-12 | 2004-07-01 | Wacker Construction Equipment Ag | An einem Handgriff führbares Arbeitsgerät |
DE29700003U1 (de) * | 1997-01-02 | 1997-02-27 | Wacker-Werke Gmbh & Co Kg, 85084 Reichertshofen | Aufbruch- und/oder Bohrhammer |
DE10034768A1 (de) * | 2000-07-18 | 2002-02-07 | Bosch Gmbh Robert | Elektrokombihammer |
-
2001
- 2001-07-24 DE DE10136015A patent/DE10136015A1/de not_active Ceased
-
2002
- 2002-03-13 WO PCT/DE2002/000884 patent/WO2003011532A1/de active Application Filing
- 2002-03-13 US US10/344,207 patent/US7076838B2/en not_active Expired - Fee Related
- 2002-03-13 EP EP10161817A patent/EP2216141B1/de not_active Expired - Lifetime
- 2002-03-13 EP EP02729781A patent/EP1414624B1/de not_active Expired - Lifetime
- 2002-03-13 AT AT02729781T patent/ATE468945T1/de active
- 2002-03-13 ES ES02729781T patent/ES2344404T3/es not_active Expired - Lifetime
- 2002-03-13 DE DE50214455T patent/DE50214455D1/de not_active Expired - Lifetime
- 2002-03-13 AT AT10161817T patent/ATE533597T1/de active
- 2002-03-13 JP JP2003516750A patent/JP2004521771A/ja not_active Withdrawn
- 2002-03-13 CN CNB02801975XA patent/CN100352613C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2344404T3 (es) | 2010-08-26 |
EP2216141A1 (de) | 2010-08-11 |
DE10136015A1 (de) | 2003-02-13 |
ATE533597T1 (de) | 2011-12-15 |
EP1414624A1 (de) | 2004-05-06 |
ATE468945T1 (de) | 2010-06-15 |
CN100352613C (zh) | 2007-12-05 |
CN1463214A (zh) | 2003-12-24 |
US20040040729A1 (en) | 2004-03-04 |
WO2003011532A1 (de) | 2003-02-13 |
DE50214455D1 (de) | 2010-07-08 |
JP2004521771A (ja) | 2004-07-22 |
EP1414624B1 (de) | 2010-05-26 |
US7076838B2 (en) | 2006-07-18 |
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