CN104249347A - Manual machine tool, especially roller mill - Google Patents

Manual machine tool, especially roller mill Download PDF

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Publication number
CN104249347A
CN104249347A CN201410295459.9A CN201410295459A CN104249347A CN 104249347 A CN104249347 A CN 104249347A CN 201410295459 A CN201410295459 A CN 201410295459A CN 104249347 A CN104249347 A CN 104249347A
Authority
CN
China
Prior art keywords
axis
hand tool
housing
driving
output block
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.)
Pending
Application number
CN201410295459.9A
Other languages
Chinese (zh)
Inventor
J·黑塞
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.)
Robert Bosch GmbH
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
Publication of CN104249347A publication Critical patent/CN104249347A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028Angle tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/06Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/26Accessories, e.g. stops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/001Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Portable Power Tools In General (AREA)

Abstract

Provided is a manual machine tool, especially a roller mill. The invention refers to a manual machine tool provided with a housing; in the housing, a driving motor provided with a driving component is arranged to drive an output component; the output component is configured to be connected to a working apparatus; between the driving component provided with a driving axis and the output component provided with an output axis, at least one transmission component provided with a transmission axis is used for driving a torque to the output component from the driving component; the driving axis is arranged relative to the transmission axis in a preset fist angle, and the transmission axis is arranged relative to the output axis in a preset second angle. According to the utility model, a lock apparatus is arranged and is at least configured to lock the output component, the transmission component and/ or the driving component in the housing in a locking operation when operated on an output side, so as to stop rotation of the output component, the transmission component and/ or the driving component relative to the housing.

Description

Hand tool, particularly roller grinding machine
Technical field
The present invention relates to a kind of hand tool, it has housing, the CD-ROM drive motor of driver part is provided with for driver output parts in described housing, described output block is configured to be connected with equipment, wherein, described being provided with between the driver part of driving axis and the described output block being provided with output axis, at least one drive disk assembly being provided with transmission axis is set for driving torque is delivered to described output block from driver part, described driving axis relative to described transmission axis with the first predetermined angle and described transmission axis arrange with predetermined second angle relative to described output axis.
Background technology
Disclosed the hand tool of this type structure according to roller grinding machine by DE 10 2,010 042 605 A1, described hand tool has the CD-ROM drive motor in the housing being arranged on and attaching troops to a unit.Described CD-ROM drive motor is for driving a driving shaft, and described driving shaft is coupled with output shaft by power transmission shaft, and an equipment, such as grinding roller or polishing roller can be fixed on described output shaft.
The shortcoming of prior art is, the output shaft of this hand tool can reverse relative to its housing in the off state of described hand tool.This such as makes the operation of described hand tool become difficulty and therefore can make the comfortableness of the corresponding user of infringement when changing equipment.
Summary of the invention
Task of the present invention is, proposes a kind of new hand tool, and wherein, driving shaft to be coupled with output shaft by power transmission shaft and can to realize that simplify and to user close friend operation, particularly when changing the equipment of attaching troops to a unit.
Described problem is solved by the hand tool with housing, and in described housing, setting has the CD-ROM drive motor of driver part for driver output parts, and described output block is configured to be connected with equipment.Be provided with driving axis driver part and be provided with export axis output block between at least one drive disk assembly being provided with transmission axis is set for driving torque is delivered to described output block from described driver part.Described driving axis to arrange with predetermined first angle relative to described transmission axis and described transmission axis is arranged with the second predetermined angle relative to described output axis.One locking system is set, described locking system is at least configured to, when when outlet side is handled locking run in described housing output block, described drive disk assembly and/or described driver part described in locking, to stop described output block, described drive disk assembly and/or described driver part relative to described housing into rotation.
Therefore, the present invention allows to provide a kind of hand tool, wherein, such as that simplify and to user close friend operation can be realized when changing equipment by the locking of the locking of described driver part, the locking of described drive disk assembly and/or described driver part.
According to a form of implementation, described locking system is configured to, and make described output block, described drive disk assembly and/or described driver part automatically locking is in the housing in locking runs when torque is delivered to described drive disk assembly from described output device.
The safe and reliable of described driver part, described drive disk assembly and/or described output block can be realized thus and do not rely on the locking of user.
Preferably, described locking system is configured to, and allows torque to be delivered to described output block from described driver part via described drive disk assembly in the operation of described hand tool.
Can stop with method in a straightforward manner in the operation of described hand tool thus described driver part, described drive disk assembly and/or described output block not controlled and less desirable locking.
Preferably, described locking system is arranged on described driving axis, described transmission axis or described output axis.
The saving space of described locking system can be realized thus and depend on the layout of machine.
Preferably, described locking system has at least one and arranges annular lock parts in the housing without relative rotation.
Locking system with Lock Part simple and with low cost can be provided thus.
According to a form of implementation, described annular lock parts are fixed in described housing at least positive.
Can be formed thus by form stable of Lock Part and housing and the combination of robust.
Preferably, the clamping body that at least one is radially arranged on described Lock Part inside is set, described clamping body can be clamped between described Lock Part and the clamping area of attaching troops to a unit, for output block, described drive disk assembly and/or described driver part described in locking.
The safety of described output block, described drive disk assembly and/or described driver part can be realized thus and reliable locking.
Preferably, described clamping area is configured on transmission of torque sleeve, and described transmission of torque sleeve is arranged on described output block, described drive disk assembly and/or described driver part without relative rotation.
Can realize simply thus and transmit torque on described output block, described drive disk assembly or described driver part uncomplicatedly.
Preferably, described driver part is driving shaft, and described drive disk assembly is power transmission shaft, and described output block is output shaft.
The stable of described hand tool can be realized thus and the structure of robust.
Preferably, described hand tool is according to the type structure of roller grinding machine.
Therefore the present invention allows to provide a kind of roller grinding machine, wherein, particularly can realize when changing equipment simplifying and operation to user close friend.
Accompanying drawing explanation
In more detail the present invention is described in the following description by means of the embodiment shown in accompanying drawing.In accompanying drawing:
Fig. 1: illustrate according to of the present invention for driving the side view of the hand tool of columned equipment;
Fig. 2: the side elevation in partial section with a section of the hand tool of Fig. 1 of locking system according to a form of implementation is shown; With
Fig. 3: the three-dimensional cutaway view that the section in (observing along the arrow III of Fig. 2) Fig. 2 is shown.
Detailed description of the invention
Fig. 1 show according to a form of implementation, such as hand tool 100 disclosed in DE 10 2,010 042 605 A1.But replace the type ground according to hand-held and hand held machine tool, described hand tool 100 also according to fixing or semifixed type structure, that is, can be suitable for the toolroom machine being carried to job site.Illustratively, described hand tool 100 constructs according to the mode of the grid equipment with power grid cables 190; But also can consider battery-driven embodiment.
Described hand tool 100 has housing 110, described housing is with longitudinal axis 170, in described housing, arrange at least one CD-ROM drive motor of attaching troops to a unit (210 in Fig. 2), described CD-ROM drive motor can be activated by the switch element 130 be arranged on described housing 110.Described housing 110 has the shape of elongation and can keep with a hand or two hands.For this reason, preferably at least in the rear region 125 of described housing 110, one handle 120 is constructed.The opposed leading section of described housing 110 arranges the Connection Element 143 that has elongated hollow neck 140, and described neck has the first end face 141.Described neck 140 illustratively has longitudinal axis 145, and described longitudinal axis is relative to described longitudinal axis 170 shallow decline of described housing 110.But the described longitudinal axis 145 of described neck 140 also can more steeply or the described longitudinal axis 170 being parallel to described housing 110 at least section arrange.Preferably, drive disk assembly (270 in Fig. 2) is set in described neck 140, such as power transmission shaft or band.
A delivery 150 is exemplarily constructed on the axial end portion deviating from described housing 110 of described neck 140 or on the second end face 142 of described neck.Described delivery also can be set directly on described housing 110, thus can without the need to constructing described neck 140.Also delivery 150 can not be there is.
One with export axis 180, output block 160 rotatable movement that is configured to output shaft ground and being preferably bearing in like this on delivery 150, make not allow to dismantle with not damaging.But preferably, described output block 160 can be disassembled in order to the object safeguarded or repair.Described output block 160 can be driven by described drive disk assembly (in fig. 2 270) rotatably and/or oscillatorily.Also axially-movable can be realized, such as, in the mode of sweep-saw.Described axially-movable also can with rotate and/or the motion of vibrating superpose.Also be contemplated that, described output block 160 is not driven by described drive disk assembly (in fig. 2 270), but drives described drive disk assembly.At this, described hand tool 100 or the main device otherwise constructed, such as generator also can be driven.
Preferably, described hand tool 100 according to roll-or roller grinder or grinding roller type structure and be therefore also referred to as the purpose of book for the purpose of simplifying the description below " roller grinding machine ".But point out, described hand tool 100 alternatively such as also can as with rotate and/or vibration output saw use.
Fig. 2 shows a section of the roller grinding machine 100 of Fig. 1, and it has: indicative CD-ROM drive motor 210; With the driver part 240 of the driving axis 244 of attaching troops to a unit; Locking system 260; With the drive disk assembly 270 of the transmission axis 271 of attaching troops to a unit; Delivery 150; With the output block 160 exporting axis 180; With exemplary equipment 280.According to a form of implementation, described driving axis 244 to arrange with the first predetermined angle 272 relative to described transmission axis 271 and described transmission axis 271 is arranged with the second predetermined angle 273 relative to described output axis 180.Described output axis 180 is preferably perpendicular to described driving axis 244 and extends, but alternatively also can extend with other angle relative to described driving axis 244 this.
Described driving axis 244 is illustratively formed by the described driver part 240 being preferably configured to driving shaft, described transmission axis 271 is formed by the described drive disk assembly 270 being preferably configured to power transmission shaft, and described output axis 180 is formed by the described output block 160 being preferably configured to output shaft.Therefore, book for the purpose of simplifying the description below, calls driving shaft described driver part 240, described drive disk assembly 270 is called power transmission shaft and described output block 160 is called output shaft.But point out, described driver part 240, described drive disk assembly 270 and/or described output block 160 also can be configured to arbitrarily other, particularly can by the element that drives of rotary motion ground, such as be configured to sleeve, described cover can be arranged on the axle of attaching troops to a unit.
Preferably, described equipment 280 is arranged on described output shaft 160, described equipment preferably with the formal construction of the grinding attachment of flexibility and/or burnishing device, such as, is configured to the grinding sleeve on expander, is configured to chip grinding tool, is configured to nylon bruss, be configured to so-called Fladder brushes or is configured to wire brush.In addition, other equipment 280 multiple can also be used, such as polishing roll or cleaning cloth or sawing device.
Described output shaft 160 is connected with described power transmission shaft 270 in described delivery 150.Described power transmission shaft 270 is arranged in described Connection Element 143, and described Connection Element is exemplarily preferably arranged on described housing 110 without relative rotation by the first contact pin 298 and the second contact pin 299.
Described power transmission shaft 270 is connected preferably by the described driving shaft 240 of gear stage 297 with described CD-ROM drive motor 210.Described gear stage 297 is exemplarily arranged between two positions of bearings, that is, between the bearing 231 being arranged on the bearing 230 of the outlet side of described driving shaft 240 and the driving side of described power transmission shaft 270.One optional blast fan 220 is preferably set between the bearing 230 and described CD-ROM drive motor 210 of described outlet side for cooling described CD-ROM drive motor 210.
According to a form of implementation, described gear stage 297 is made up of the combination in straight-tooth portion 243 and helical teeth portion 251.But replace described gear stage 297 ground, also can in described roller grinding machine 100 runs, torque be delivered to described power transmission shaft 270 from described driving shaft 240 or directly be delivered on described output shaft 160, such as, by flexible axle or other transmitting element.
Preferably, described straight-tooth portion 243 be configured in described driving shaft 240 at least section excircle on and described helical teeth portion 251 be preferably arranged on the gear 250 according to the type structure of roller gear.Described helical teeth portion 251 has inclination angle 255, and described inclination angle is preferably corresponding to first jiao 272 between described driving axis 244 and described transmission axis 271.Described roller gear 250 is exemplarily arranged in the region in axial forward end portion 242 (in fig. 2 the left side) of described driving shaft 240.
According to a form of implementation, described locking system 260 is arranged on described transmission axis 271, illustratively be arranged between the bearing 231 of described driving side and described roller gear 250, but described locking system alternatively also can be arranged on described driving axis 244 or described output axis 180 this.Described locking system 260 is at least configured to, when described output shaft 160, described power transmission shaft 270 and/or described driving shaft 240 to be locked in locking runs when outlet side is handled in described housing 110 and therefore to prevent described output shaft 160, described power transmission shaft 270 and/or described driving shaft 240 from rotating relative to described housing 110.In addition, described locking system 260 is preferably configured to, when torque is delivered to described power transmission shaft 270 from described output shaft 160 by described output shaft 160, described power transmission shaft 270 and/or described driving shaft 240 locking run in automatic locking in described housing 110.But allow torque to be delivered to described output shaft 160 from described driving shaft 240 via described power transmission shaft 270 when described roller grinding machine 100 runs.
Be pointed out that, in the present embodiment, be arranged on described locking system 260 on described transmission axis 271 directly power transmission shaft 270 described in locking in locking runs, therefore described locking system prevents described driving shaft 240 and described output shaft 160 from rotating relative to described housing 110 in that at it.Similarly, be arranged on locking system on described driving axis 244 directly driving shaft 240 described in locking in locking runs, it prevents described power transmission shaft 270 and described output shaft 160 from rotating relative to described housing 110 thus.Also similarly, be arranged on locking system on described output axis 180 directly output shaft 160 described in locking in locking runs, it prevents described power transmission shaft 270 and described driving shaft 240 from rotating relative to described housing 110 thus.Therefore, one in locking runs suitably in axle described in locking is just enough to other axle of similarly locking.In addition point out, this layout of locking system on described driving shaft 240 or on described output shaft 160 directly draws from described form of implementation.Therefore, the locking system 260 be arranged on described power transmission shaft 270 is only described for the purpose of book below for the purpose of simplifying the description.
Illustratively, described locking system 260 has the Lock Part 262 arranged without relative rotation within the case 110.But described Lock Part 262 is preferably also fixed in described housing 110 by the second contact pin 234 positive preferably by least one first contact pin 233.
Fig. 3 shows the locking system 260 be arranged on transmission axis 271 in Fig. 2, and it has the Lock Part 262 arranged without relative rotation within the case 110.Described Lock Part preferably has annular solid 301, and described annular solid is circular inner periphery with cross section.The excircle of described Lock Part 262 circumferentially exemplarily constructs the angle 345,346,347,348 of 302,303,304,305 and four roundings in four leveling portions.Similarly, described Lock Part 262 has opening 306, and described opening is preferably configured to pass through openings.
Exemplarily, described Lock Part 262 is fixed on described housing 110 by positive or is fixed at least one in described contact pin 233,234.In order to realize described positive, the Internal periphery towards described Lock Part 262 of described contact pin 233 and/or contact pin 234 preferably adapts to the outline of described Lock Part 262 at least partly and correspondingly arranges flat region 333,334,335 and the region 336,337 of rounding.
According to a form of implementation, radially arrange transmission of torque sleeve 320 in described Lock Part 262 inside, described transmission of torque sleeve is arranged on described power transmission shaft 270 without relative rotation.For this reason, described transmission of torque sleeve 320 has opening 328 for receiving described power transmission shaft 270.
Preferably, described transmission of torque sleeve 320 has circular segments, the excircle of described circular segments constructs at least two diametrically contrapositions, radially outward point to take element 321,322.Preferably, the centre taken between element 321,322 at described two arranges the clamping area 398,399 that is configured to leveling portion respectively.Between described clamping area 398,399 and described Lock Part 262, be respectively provided to the clamping body 350,351 of a few preferred roll, described clamping body arranges and is used for power transmission shaft 270 described in locking in locking runs.Described locking preferably realizes by least one in described clamping body 350,351 being clamped between described Lock Part 262 and the clamping area 398,399 of attaching troops to a unit when described power transmission shaft 270 rotates in locking runs, in described locking runs, do not have driving torque to be delivered on described power transmission shaft 270 by from described driving shaft 240.
Similarly, correspondingly each to take between element 321,322 and each clamping body 350,351 illustratively to arrange respectively take element 341,342,343,344.Describedly take element 341,342,343,344 at this exemplarily with the formal construction of the protuberance of oval, bolt shape, but also can have other shape arbitrarily, and be such as the overall part of roller gear 250.Described element 341,342,343,344 of taking takes element 321,322 and described clamping body 350,351 in the normal operation of the hand tool 100 of Fig. 1 described in driving, and therefore described clamping body rolls on the inner periphery of described Lock Part 262.

Claims (10)

1. a hand tool (100), it has housing (110), in described housing, arranging one there is the CD-ROM drive motor (210) of driver part (240) for driving an output block (160), described output block is configured to be connected with an equipment (280), wherein, be provided with driving axis (244) driver part (240) and be provided with export axis (180) output block (160) between at least one drive disk assembly being provided with transmission axis (271) (270) is set for driving torque is delivered to described output block (160) from described driver part (240), described driving axis (244) relative to described transmission axis (271) with predetermined the first angle (272) arrange and described transmission axis (271) arrange with predetermined the second angle (273) relative to described output axis (180), it is characterized in that, one locking system (260) is set, described locking system is at least configured to, by described output block (160), described drive disk assembly (270) and/or described driver part (240) are locked in described housing (110) when outlet side is handled in locking runs, to prevent described output block (160), described drive disk assembly (270) and/or described driver part (240) rotate relative to described housing (110).
2. hand tool according to claim 1, it is characterized in that, described locking system (260) is configured to, and described output block (160), described drive disk assembly (270) and/or described driver part (240) is automatically locked in housing (110) in locking runs when torque is delivered to described drive disk assembly (270) from described output device (160).
3. hand tool according to claim 1 and 2, it is characterized in that, described locking system (260) is configured to, and allows torque to be delivered to described output block (160) from described driver part (240) via described drive disk assembly (270) in the operation of described hand tool (100).
4. the hand tool according to any one of the claims, it is characterized in that, described locking system (260) is arranged on described driving axis (244), described transmission axis (271) or described output axis (180).
5. the hand tool according to any one of the claims, is characterized in that, described locking system (260) has at least one and is arranged in annular lock parts (262) in housing (110) without relative rotation.
6. hand tool according to claim 5, is characterized in that, described annular lock parts (262) are fixed in described housing (110) at least positive.
7. the hand tool according to claim 5 or 6, it is characterized in that, at least one is set and is radially arranged in the inner clamping body (350,351) of described Lock Part (262), described clamping body can be clamped between described Lock Part (262) and the clamping area (398,399) of attaching troops to a unit, for output block described in locking (160), described drive disk assembly (270) and/or described driver part (240).
8. hand tool according to claim 7, it is characterized in that, described clamping area (398,399) is configured on a transmission of torque sleeve (320), and described transmission of torque sleeve is arranged on described output block (160), described drive disk assembly (270) and/or described driver part (240) without relative rotation.
9. the hand tool according to any one of the claims, is characterized in that, described driver part (240) is driving shaft, and described drive disk assembly (270) is power transmission shaft and described output block (160) is output shaft.
10. the hand tool according to any one of the claims, described hand tool is according to the type structure of roller grinding machine.
CN201410295459.9A 2013-06-27 2014-06-26 Manual machine tool, especially roller mill Pending CN104249347A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013212484.8A DE102013212484B4 (en) 2013-06-27 2013-06-27 Hand machine tools, in particular roller grinders
DE102013212484.8 2013-06-27

Publications (1)

Publication Number Publication Date
CN104249347A true CN104249347A (en) 2014-12-31

Family

ID=52017292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410295459.9A Pending CN104249347A (en) 2013-06-27 2014-06-26 Manual machine tool, especially roller mill

Country Status (2)

Country Link
CN (1) CN104249347A (en)
DE (1) DE102013212484B4 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942271A1 (en) * 1999-09-04 2001-03-15 Mets Owerke Gmbh & Co Power tool
DE20203049U1 (en) * 2002-02-27 2002-05-08 Kompernas Handelsgmbh Machine tool with a locking device for tool-free clamping and releasing a tool in a tool holder
JP2007118097A (en) * 2005-10-25 2007-05-17 Makita Corp Working tool
CN201357363Y (en) * 2009-03-10 2009-12-09 常州合力电器有限公司 Multipurpose sanding machine
CN103153535A (en) * 2010-10-19 2013-06-12 罗伯特·博世有限公司 Working tool, in particular electric tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942271A1 (en) * 1999-09-04 2001-03-15 Mets Owerke Gmbh & Co Power tool
DE20203049U1 (en) * 2002-02-27 2002-05-08 Kompernas Handelsgmbh Machine tool with a locking device for tool-free clamping and releasing a tool in a tool holder
JP2007118097A (en) * 2005-10-25 2007-05-17 Makita Corp Working tool
CN201357363Y (en) * 2009-03-10 2009-12-09 常州合力电器有限公司 Multipurpose sanding machine
CN103153535A (en) * 2010-10-19 2013-06-12 罗伯特·博世有限公司 Working tool, in particular electric tool

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Publication number Publication date
DE102013212484A1 (en) 2014-12-31
DE102013212484B4 (en) 2022-06-09

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Application publication date: 20141231