WO2009059846A1 - Machine-outil portative - Google Patents

Machine-outil portative Download PDF

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Publication number
WO2009059846A1
WO2009059846A1 PCT/EP2008/062680 EP2008062680W WO2009059846A1 WO 2009059846 A1 WO2009059846 A1 WO 2009059846A1 EP 2008062680 W EP2008062680 W EP 2008062680W WO 2009059846 A1 WO2009059846 A1 WO 2009059846A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective device
hand tool
tool according
damping
housing
Prior art date
Application number
PCT/EP2008/062680
Other languages
German (de)
English (en)
Inventor
Stefan Heess
Joerg Maute
Juergen Wiker
Florian Esenwein
Peter Stierle
Albrecht Hofmann
Thomas Schomisch
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
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to RU2010122641/02A priority Critical patent/RU2490108C2/ru
Priority to CN200880114821.0A priority patent/CN101848792B/zh
Priority to EP08804597.6A priority patent/EP2209591B1/fr
Publication of WO2009059846A1 publication Critical patent/WO2009059846A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/06—Grinders for cutting-off
    • B24B27/08—Grinders for cutting-off being portable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04—Protective covers for the grinding wheel
    • B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
    • B24B55/052—Protective covers for the grinding wheel specially designed for portable grinding machines with rotating tools

Definitions

  • the invention relates to a hand tool according to the preamble of claim 1.
  • Flange neck forms.
  • a protective device is accommodated, which forms a receiving area for a disk-shaped rotating tool.
  • the handheld power tool has a device for axial fixation and a device for radial fixation of the protection device on the flange neck.
  • the invention relates to a hand tool, in particular an angle grinder, with a housing, with a flange neck and with a recordable on the flange neck protection device, which forms a receiving area for a tool.
  • At least one device for damping and / or clearance compensation between housing and protective device is provided. This reliably reduces or avoids a relative movement between the protective device and the housing of the handheld power tool. If the protective device is fixed as in the present case by positive engagement on the housing of the power tool and the receiving collar of the protective device has no adjustable clamping element, then a game for joining is necessary for placing the protective device on the housing of the power tool. This joining game has the consequence that there is a residual clearance between the protective device and the housing even with intervening positive locking. During operation of the handheld power tool, this leads to a relative movement between housing and protective device.
  • the device has at least one acting in the radial direction means.
  • This means has by the possible between protective device and housing and uncritical friction in particular a damping effect between the protective device and the housing of the power tool.
  • this also creates a
  • the at least one means is a damping ring cooperating with a groove.
  • This has the advantage that the device is simple and inexpensive to produce. When the damping ring wear a simple replacement of the same by the user is possible.
  • the at least one means is a damping material that at least partially revolves on an outer circumference of the flange neck.
  • a damping material that at least partially revolves on an outer circumference of the flange neck.
  • the damping material depending on the geometry, also have a centering effect on the protective hood, i. due to the possible use of harder material, the protective device can additionally be centered on the housing via the damping material.
  • the at least one means is a damping material which at least partially revolves on an inner wall of the protective device.
  • the housing usually has a discontinuous surface.
  • the device has at least one means acting in the axial direction. This means between protective device and housing of the power tool achieves both a damping and a game-compensating effect. The clearance compensation is created axially between the protective device and housing of the power tool. In addition, an uncritical friction between the protective device and the housing is possible, which has a damping effect.
  • this also leads to a reduction of the noise level of the power tool.
  • the at least one means is a damping ring cooperating with a groove.
  • the device is simple and inexpensive to produce.
  • the damping ring is easy to replace in case of repair by the user.
  • the at least one means is at least one damping element arranged on the support surface for the protective device.
  • the device is inexpensive, easy to install and save material to produce.
  • the at least one means is a damping material which at least partially circulates on an end face of the protective device.
  • the device is easy to manufacture and acts both axially and radially as clearance compensation.
  • the device has at least one means acting between a housing-fixed device for fixing the protective device on the flange neck and the protective device. This causes a simple and cost-effective damping between the housing and the protective device, since the fixing device is firmly connected to the housing.
  • the at least one means is at least one damping element mounted on the fixing device. This causes this
  • the at least one means is at least one damping element mounted on the protective device.
  • the damping element By applying the damping element on the underside of the protective device, the damping element is protected from aggressive dusts and thus wear resistant.
  • the fixing device is a latching lever having at least one latching cam, which engages in at least one latching opening of the protective device.
  • a damping element is arranged on the latching cam and / or in the latching opening.
  • the device only requires a small area of damping material in order to effect an efficient clearance compensation.
  • this device is therefore very inexpensive to produce, since only a small amount of damping material is needed.
  • the device for clearance compensation be a spring device fastened to the protective device and a detent device.
  • the clearance between the protective device and the housing is compensated by the pressure force of the spring.
  • About the choice of spring force of the play compensation is adjustable.
  • the latching device comprises at least one spring element fixed locking element and at least one housing-fixed locking element Aufhahme.
  • the matched to the spring device locking device causes a play-free, positive positioning of the protective device, the position of the protective device with little effort is adjustable.
  • the spring device acts on the latching element, starting from the protective device towards the flange neck.
  • the entire spring force is used for positioning the protective device in the axial direction. This means a positionally secure adjustment of the protection device for the user of the power tool.
  • the catch element receptacle is a wave profile and the catch element is an element with a corresponding wave profile.
  • the spring device attached to the protective device snaps over the latching direction at the flange neck of the housing.
  • the geometry of the latching device is selected such that the user can overpress the latching device during rotation of the protective device and it is thus not necessary to manually disengage the spring-loaded latching device.
  • the device for clearance compensation is a housing-fixed spring device, which acts on the protective device. This allows a stepless rotation of the protective device with axial securing.
  • the play compensation device can be constructively produced with simple parts which are not functionally susceptible to interference.
  • the device for compensating for play comprises a latching device with at least one spring-element-fixed latching element and at least one protective device-fixed latching element receptacle.
  • the entire force of the spring device acts continuously axially and radially on the locking device, so that the protection device can be accurately positioned by the user.
  • the catch element receptacle is a wave profile and the catch element is an element with a corresponding wave profile.
  • This has the advantage that the protective device can be rotated stepwise according to a fixed angular distribution and the protective device is free of axial and radial play by the prestressed spring.
  • the geometry of the locking device is selected such that the user can overpress the locking device during rotation of the protective device and it is therefore not necessary to bring the spring-loaded locking device manually disengaged.
  • FIG. 1 shows a part of a hand tool according to the invention in an exploded view with a protective device, a device for axial Fixie- rank and a device for radial fixation of the protective device and with a damping device in a first embodiment, which has a radially acting means,
  • FIG. 2 shows a detailed view of the damping device in the first embodiment with the radially acting means, which comprises a damping ring interacting with a groove on the flange neck,
  • FIG. 3 shows a detailed view of the damping device in the first embodiment with an alternative radially acting means, which comprises a damping material applied to the flange neck,
  • Fig. 4 is a detail view of the damping device in the first embodiment with a further alternative radially acting means, the one at the
  • Protective device comprises attached damping material
  • FIG. 5 is a side view of a part of the hand tool according to the invention with a damping device in a second embodiment, which has an axially acting means which comprises a mutually cooperating with a groove damping ring on the housing,
  • FIG. 6 is a perspective view of the power tool with a
  • Fig. 7 is a detail view of the damping device in the second embodiment with a further alternative axially acting means, the one at an end face of the protective device circumferential damping material includes,
  • FIG. 8 shows a perspective illustration of the handheld power tool with a partially shown radial fixing device, which has latching cams mounted on a latching lever and latching openings provided on the protective device
  • 9 shows a first part of the damping device in a third embodiment with a damping element acting between the fixing device and the protective device, which is mounted on the detent lever
  • FIG. 11 shows a perspective view of the handheld power tool with a lash adjuster in a fourth embodiment, which comprises a spring device fastened to the protective device and a latching device,
  • FIG. 12 is a side view of the hand tool with a device for clearance compensation in a fifth embodiment, which comprises a housing attached to the spring means and
  • FIG. 13 is a detail view of a locking device for the device for game compensation according to FIG. 12th
  • FIG. 1 shows a fragmentary illustrated, inventive hand tool.
  • the hand tool is an angle grinder 10.
  • the angle grinder 10 has a housing 12 which comprises a motor housing 78 and a gear housing 80 flanged to the motor housing 78.
  • An output shaft 82 protrudes from the gear housing 80 and carries at its free end a disk-shaped tool (not shown here), for example a grinding wheel, which can be driven to rotate about an axis 86 of the output shaft 82.
  • the output shaft 82 is rotatably mounted in a non-visible bearing, which is received in the present embodiments by a gearbox 80 formed by the transmission housing 80.
  • the gear flange 88 forms a freely projecting, cylindrical
  • the Flange neck 14 which surrounds the output shaft 82 and receives on its outer periphery a protective device 16 in the form of a protective hood.
  • the gear flange 88 has a bearing surface 48 for the protective device 16 or for an annular end 52 of the protective device 16.
  • the protective device 16, which forms a receiving area for the tool comprises a main body 90 and a receiving collar 92 which is connected to the main body 90 and which forms a central opening 94 for the free passage of the output shaft 82.
  • the main body 90 is for a protection of an operator of the power tool 10 before sparks and / or material part no, which arise during operation of the power tool 10, provided.
  • the base body 90 is formed by a plate-shaped element 96, which has a semicircular design, wherein the plate-shaped element 96 covers an angular range of approximately 180 ° of the tool. This will send sparks and / or any particles of material forward, away from the operator.
  • a protective edge 98 Arranged on the plate-shaped element 96 is a protective edge 98, which is initially aligned perpendicular to the plate-shaped element 96 and subsequently parallel to the plate-shaped element 96.
  • the receiving collar 92 connected to the main body 90 is initially designed as a cylindrical body which runs parallel to the flange neck 14. To the cylindrical body of the receiving collar 92 then includes an edge-like laterally outwardly angled portion 100 of the receiving collar 92, which is parallel to the plate-shaped element 96 of the base body 90 and concentric with the opening 94 for the output shaft 82.
  • the handheld power tool 10 has a device 18 for the axial fixing of the protective device 16 and a device 20 for the radial fixing of the protective device 16.
  • the device 18 for axial fixation is preferably designed as a so-called key-keyhole or bayonet lock system.
  • the Flanschhals 14 contributes to axially approximately centrally an annular groove 102, wherein its outer Ringnutbegrenzung 104 is interspersed at regular intervals by axial grooves 106, which corresponding radial cam 108 in the receiving collar 92 of the protective device 16 are assigned, wherein the radial cam 108 in the receiving collar 92 of the protective device 16th are embossed and protrude radially inward.
  • the axial grooves 106 and the radial cams 108 are mating to each other fittingly in a plug-in rotary motion, such as a key-keyhole or bayonet lock system.
  • the radial cam 108 in the receiving collar 92 of the protective device 16 are dimensionally consistent with the axial grooves 106 in the flange neck 14 so that they pass through axial plugging, then enter the annular groove 102 of the flange neck 14 by radial rotation and there the protective device 16 axially gesi- chert, wherein the protective device 16 rests with the end face 52 on the support surface 48 of the transmission flange 88.
  • the device 20 for radial fixation preferably takes place via a latching.
  • the radial fixing device 20 has a latching lever 62 with at least one latching cam 64, which engages in at least one latching opening 66 of the protective device 16.
  • the locking lever 62 is not attached to the housing 12.
  • the latching openings 66 are arranged in the hutrand-angled region 100 of the receiving collar 92.
  • the locking cams 64 are arranged on the latching lever 62 formed or fastened to the housing 12.
  • the Rasthe- at 62 on its housing-remote side above an area for the locking cam 64, which are intended to engage in the locking openings 66 of the receiving collar 92.
  • the protective device 16 By entering the locking cam 64 of the locking lever 62 in the locking openings 66 of the receiving collar 92, the protective device 16 is secured against rotation on the flange neck 14. Approximately in the middle of the locking lever 62 carries a compression spring 110, via which the locking lever 62 biased on the housing 12 so supported that it can always be supported with a minimum force with its locking cam 64 on the hutrand-angled region 100 of the receiving collar 92 and the entrance of the locking cams 64 is always secured in the latching openings 66.
  • the handheld power tool 10 has at least one device 22, 24 for damping and / or clearance compensation between the housing 12 and the protective device 16.
  • the device 22, 24 according to the invention may have damping properties, clearance compensation properties or predominantly both properties at the same time.
  • FIG. 1 and 2 show a damping device 22a in a first embodiment, wherein the damping device 22a has a acting in the radial direction 26a means 28a.
  • This is a damping ring 32a cooperating with a groove 30a.
  • the damper ring 32a is inserted into a groove 30a encircling an outer periphery of the flange neck 14a, the damper ring 32a projecting radially beyond the groove 30a.
  • the damping ring 32a is made of a material having damping properties, such as an elastic plastic.
  • FIG. 3 shows an alternative view in a detail view.
  • the means acting in the radial direction 26a means 28a instead of the damping ring 32a to a on the outer circumference of the flange neck 14a preferably fixedly mounted, at least partially circumferential damping material 34a.
  • the damping material 34a is molded firmly against the flange neck 14a.
  • the radially acting means 28a is provided on the protective device 16a. This is an at least partially encircling damping material 38a, which is preferably firmly attached to an inner wall 36a of the protective device 16a.
  • a damping ring may be provided instead of the damping material 38a, which is inserted into a circumferential groove in the inner wall of the protective device, wherein the damping ring projects radially beyond the groove.
  • Figure 5 shows a damping device 22b in a second embodiment, wherein the damping device 22b has an acting in the axial direction 40b means 42b.
  • This is a damping ring 44b cooperating with a groove 46b.
  • the damping ring 44b is inserted into the circumferential groove 46b, which is introduced in a support surface formed by the housing 12b 48b for the protection device 16b.
  • it may be in the axial direction 40b acting means 42b instead of the damping ring 44b according to FIG.
  • FIG. 5 also concerns a plurality of damping elements 50b according to FIG. 6 arranged on the bearing surface 48b for the protective device 16b.
  • the damping elements 50b it may also be damping material applied to the support surface for the protective device.
  • the axially acting member Tel 42b to a on one of the support surface 48b of the transmission flange 88b facing end face 52b of the protection device 16b preferably fixedly mounted, at least partially encircling damping material 54b.
  • the damping material 54b it may also be a damping ring which revolves on the end face of the protective device facing the bearing surface of the gearbox flange.
  • FIGS. 8 to 10 show a damping device 22c in a third embodiment, wherein the damping device 22c has at least one means 56c acting between the housing-fixed device 18c, 20c for fixing the protective device 16c on the flange neck 14c and the protective device 16c.
  • the means 56c may be a damping element 58c, 60c mounted on the fixing device 18c, 20c or on the protective device 16c.
  • the fixing device is preferably the device 20c for radially fixing the protective device 16c, FIG. 8 showing the handheld power tool 10c with detent lever 62c mounted on the housing 12c and FIG. 10 the associated protective device 16c. 9 is on the locking cam 64c of the locking lever 62c and / or shown in FIG. 10 in the
  • FIGS. 11 to 13 show devices 24 for clearance compensation between the housing 12 and protective device 16.
  • FIG. 11 shows a lash adjuster 24d in a first embodiment, which is designed as a spring device 68d fastened to the protective device 16d and a detent device 70d.
  • the latching device 7Od comprises at least one detent element 72d arranged on the spring device 68d or spring device-fixed detent element 72d and at least one latching element receptacle 74d cooperating with the detent element 72d and arranged on the flange neck 14d or fixed to the housing.
  • the spring device 68d acts on the latching element 72d, starting from the protective device 16d toward the flange neck 14d.
  • FIG. 11 shows a lash adjuster 24d in a first embodiment, which is designed as a spring device 68d fastened to the protective device 16d and a detent device 70d.
  • the latching device 7Od comprises at least one detent element 72d arranged on the spring device 68d
  • the latching element receptacle is an at least partially encircling shaft profile 74d on an end face 76d of the flange neck 14d facing the protective device 16d and the latching element is an element 72d with a corresponding wave profile.
  • it can also be any further shaping of latching element and latching element receptacle which appears to be meaningful to a person skilled in the art, wherein preferably one
  • FIG. 12 shows a clearance compensation device 24e in a second embodiment, which is designed as a spring device 68e attached to the housing 12e and thus fixed to the housing, which acts on the protective device 16e.
  • the spring device 68e acts on the protective device 16e towards the flange neck 14e.
  • the device 24e can additionally have a latching device 7Oe for compensating the play, which at least one device on the spring device
  • the latching element receptacle is preferably an at least partially encircling wave profile 74e on an end face 76e of the protective device 16e facing the flange neck 14e and on the latching element
  • the wave profile 74e and / or the wave profile 72e may additionally be provided with a damping, not shown here, for example in the form of a rubber coating.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Soil Working Implements (AREA)

Abstract

L'invention concerne une machine-outil portative, notamment une meuleuse d'angle (10), comportant un boîtier (12), un collet de bride (14) et un dispositif de protection (16) qui peut être placé sur le collet de bride (40) et qui forme une zone de logement pour un outil. Selon l'invention, on utilise au moins un dispositif (22, 24) ayant une fonction d'amortissement et/ou de compensation du jeu entre le boîtier (12) et le dispositif de protection (16).
PCT/EP2008/062680 2007-11-05 2008-09-23 Machine-outil portative WO2009059846A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2010122641/02A RU2490108C2 (ru) 2007-11-05 2008-09-23 Ручная машина
CN200880114821.0A CN101848792B (zh) 2007-11-05 2008-09-23 手持式工具机
EP08804597.6A EP2209591B1 (fr) 2007-11-05 2008-09-23 Machine-outil portative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710052683 DE102007052683A1 (de) 2007-11-05 2007-11-05 Handwerkzeugmaschine
DE102007052683.2 2007-11-05

Publications (1)

Publication Number Publication Date
WO2009059846A1 true WO2009059846A1 (fr) 2009-05-14

Family

ID=40317099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/062680 WO2009059846A1 (fr) 2007-11-05 2008-09-23 Machine-outil portative

Country Status (5)

Country Link
EP (1) EP2209591B1 (fr)
CN (1) CN101848792B (fr)
DE (1) DE102007052683A1 (fr)
RU (1) RU2490108C2 (fr)
WO (1) WO2009059846A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5684056B2 (ja) 2010-08-16 2015-03-11 株式会社マキタ 手持ち工具
DE102011083430A1 (de) * 2011-09-26 2013-03-28 Robert Bosch Gmbh Werkzeugmaschinenbremsvorrichtung
DE102011089726A1 (de) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
DE102012112621A1 (de) * 2012-12-19 2014-06-26 C. & E. Fein Gmbh Handwerkzeugmaschine mit abnehmbarer Schutzhaube
DE102017213743A1 (de) * 2017-08-08 2019-02-14 Robert Bosch Gmbh Schutzvorrichtung für eine Handwerkzeugmaschine
DE202019104156U1 (de) * 2019-07-29 2020-11-02 C. & E. Fein Gmbh Getriebekopf und Handwerkzeugmaschine
DE202019105846U1 (de) * 2019-10-21 2021-01-22 C. & E. Fein Gmbh Elektrohandwerkzeugmaschine
DE202020101891U1 (de) 2020-04-06 2021-07-12 C. & E. Fein Gmbh Elektrowerkzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756362A1 (de) 1977-12-17 1979-06-21 Bosch Gmbh Robert Schutzhaube, insbesondere fuer ein elektro-handwerkzeug
DE4239367A1 (de) * 1992-11-24 1994-05-26 Bosch Gmbh Robert Handgeführtes Elektrowerkzeug, insbesondere Winkelschleifmaschine
DE4344571A1 (de) * 1993-12-24 1995-06-29 Bosch Gmbh Robert Elektrische Handwerkzeugmaschine
DE19841409C1 (de) * 1998-09-10 2000-02-10 Metabowerke Kg Elektrohandwerkzeug mit einer Schutzhaube
WO2004087377A1 (fr) * 2003-03-31 2004-10-14 Atlas Copco Tools Ab Meuleuse electrique a unite de blocage de volet de protection et de broche
DE10343060A1 (de) 2003-09-16 2005-04-07 Robert Bosch Gmbh Handwerkzeugmaschine mit Schutzhaube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU716792A1 (ru) * 1978-04-07 1980-02-25 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Механизированного И Ручного Строительно-Монтажного Инструмента, Вибраторов И Строительно-Отделочных Машин Виброизолированна ручна машина
CS222119B1 (en) * 1981-03-10 1983-04-29 Borivoj Prazsky Protective cover of the grinding disc
DE10124439A1 (de) * 2001-05-18 2002-11-21 Bosch Gmbh Robert Handgeführtes Elektrowerkzeug mit Schutzhaube
DE102007041840A1 (de) * 2006-11-13 2008-05-15 Robert Bosch Gmbh Handwerkzeugmaschine mit Schutzhaube, insbesondere Winkelschleifer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756362A1 (de) 1977-12-17 1979-06-21 Bosch Gmbh Robert Schutzhaube, insbesondere fuer ein elektro-handwerkzeug
DE4239367A1 (de) * 1992-11-24 1994-05-26 Bosch Gmbh Robert Handgeführtes Elektrowerkzeug, insbesondere Winkelschleifmaschine
DE4344571A1 (de) * 1993-12-24 1995-06-29 Bosch Gmbh Robert Elektrische Handwerkzeugmaschine
DE19841409C1 (de) * 1998-09-10 2000-02-10 Metabowerke Kg Elektrohandwerkzeug mit einer Schutzhaube
WO2004087377A1 (fr) * 2003-03-31 2004-10-14 Atlas Copco Tools Ab Meuleuse electrique a unite de blocage de volet de protection et de broche
DE10343060A1 (de) 2003-09-16 2005-04-07 Robert Bosch Gmbh Handwerkzeugmaschine mit Schutzhaube

Also Published As

Publication number Publication date
CN101848792B (zh) 2013-07-03
RU2010122641A (ru) 2011-12-20
DE102007052683A1 (de) 2009-05-07
CN101848792A (zh) 2010-09-29
EP2209591A1 (fr) 2010-07-28
RU2490108C2 (ru) 2013-08-20
EP2209591B1 (fr) 2013-07-03

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