EP3326758A1 - Elektrowerkzeug - Google Patents

Elektrowerkzeug Download PDF

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Publication number
EP3326758A1
EP3326758A1 EP16200989.8A EP16200989A EP3326758A1 EP 3326758 A1 EP3326758 A1 EP 3326758A1 EP 16200989 A EP16200989 A EP 16200989A EP 3326758 A1 EP3326758 A1 EP 3326758A1
Authority
EP
European Patent Office
Prior art keywords
power tool
switch
turn
mechanical device
illumination device
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
EP16200989.8A
Other languages
English (en)
French (fr)
Other versions
EP3326758B1 (de
Inventor
Guido Valentini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP16200989.8A priority Critical patent/EP3326758B1/de
Priority to CN201711194891.9A priority patent/CN108115620A/zh
Priority to US15/822,520 priority patent/US20180147686A1/en
Publication of EP3326758A1 publication Critical patent/EP3326758A1/de
Application granted granted Critical
Publication of EP3326758B1 publication Critical patent/EP3326758B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION 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
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • 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
    • B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement
    • 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
    • B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION 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
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION 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
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/021—Construction of casings, bodies or handles with guiding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention regards a power tool according to the preamble of claim 1. That is a power tool comprising a mechanical device for setting a working parameter of said power tool, at least part of the mechanical device being visible and accessible from outside of the power tool by a user of the power tool, the power tool further comprising a printed circuit board and an illumination device with electrical contacts, the illumination device being adapted for illuminating at least that part of the mechanical device being visible from outside of the power tool.
  • the illumination device comprises at least one LED, preferably two LEDs.
  • the present invention is not limited to illumination devices comprising an LED.
  • the expression power tool in the context of the present invention is referring to a tool that is powered by a non-manual energy source.
  • the power tool in the context of the present invention can be stationary or handheld. Examples of such power tools would be a sander, a polisher, a drill or a saw.
  • the mechanical device is supposed to be installed at a position in the power tool where there is little space for accommodating the circuit board, either this installation position is not possible or the circuit board has to be designed with rather small dimensions fitting into the small available space. Imposing such a limitation on the circuit board in turn might limit its functionality or limit the space for cooling fins or other components requiring rather large amounts of space. If there is not enough space near the circuit board for adequately sized cooling fins, then the reliability of the power tool is reduced and/or its power consumption has to be limited.
  • the object of the present invention is to create a power tool that is reliably operating and in which the position for accommodating the illumination device and the mechanical device for setting the working parameter are highly variable.
  • the power tool according to the present invention is characterized in that the electrical contacts of the illumination device are indirectly connected to the printed circuit board via flexible wires.
  • the electrical contacts in the form of rigid wires extending from the LED are directly attached to the circuit board, e.g. by soldering. These rigid wires then form an electrical connection between the circuit board and the LED as well as a mechanical mounting device for the LED.
  • the rigid wires extending from the LED are therefore used for electrical connection and fastening or fixing of the LED on the circuit board at the same time.
  • the LED When using the teaching of the current invention due to the flexible wires it is possible to arrange the LED at basically any desired positon within the housing of the power tool, irrespective of the position of the printed circuit board. Therefore the arrangement of the mechanical device for setting the working parameter which is supposed to be illuminated by the illumination device, e.g. the LED, can be placed on the power tool as desired.
  • the flexible wires of the illumination device are connected to the printed circuit board by means of a connector or by soldering.
  • the printed circuit board is equipped with an appropriate socket for receiving the connector.
  • the flexible wires allow a movement of the illumination device, e.g. together with a movable part of the mechanical device for setting the working parameter of the power tool.
  • the working element may comprise a turn-switch rotatable about an axis of rotation, and the illumination device can be rotated together with the turn-switch in order to provide for a constant illumination of the turn-switch.
  • a further advantage of the present invention is the easier and faster mounting of the illumination device on the printed circuit board and assembly of the power tool.
  • the illumination device can be electrically contacted with the printed circuit board.
  • the electrically connected illumination device can be positioned within the desired part of the mechanical device to be illuminated in a desired position. Thereafter, the entire mechanical device can be easily positioned, mechanically fixed and electrically connected to the printed circuit board together with the illumination device, which has been previously electrically connected to the printed circuit board and positioned in respect to the mechanical device.
  • the mechanical device comprises a potentiometer for setting the working parameter of the power tool and a turn-switch adapted to adjust a resistance value of the potentiometer and being located in the power tool such that it is visible and accessible from outside of the power tool by the user of the power tool.
  • the illumination device is adapted for illuminating the turn-switch.
  • the illumination device is in particular located within the turn-switch such that at least that part of the turn-switch visible and accessible from outside of the power tool is illuminated. This makes the power tool particularly easy to manage since the position and orientation of the turn-switch is always visible.
  • the illumination device comprises at least one light emitting diode (LED).
  • LED light emitting diode
  • the flexible wires are stranded or braided wires. This gives enhanced durability and flexibility to the wires while electrical conductivity of the wires is also affected positively. Therefore a reliable and stable flexible electrical connection between the printed circuit board and the illumination device (e.g. one or more LEDs) is realized by the wires formed by stranded or braided wires.
  • the illumination device e.g. one or more LEDs
  • a further preferred embodiment of the current invention is characterized in that the mechanical device comprises a potentiometer, wherein the potentiometer comprises electrical contacts that are indirectly connected to the printed circuit board via flexible wires, preferably wherein the flexible wires are stranded or braided wires.
  • the mechanical device comprises a potentiometer, wherein the potentiometer comprises electrical contacts that are indirectly connected to the printed circuit board via flexible wires, preferably wherein the flexible wires are stranded or braided wires.
  • part of the mechanical device being visible from outside of the power tool, in particular the turn-switch is at least partially made of a translucent material allowing translucence of light emitted by the illumination device located inside the mechanical device. This allows that even in bad lighting conditions the position and alignment of the mechanical device for setting the working parameter on the power tool is easily recognized by an operator of the tool.
  • the translucent material of that part of the mechanical device being visible from outside of the power tool, in particular of the turn-switch resembles numbers referring to certain values of the working parameters of the power tool if the mechanical device is set to these numbers.
  • This embodiment allows for easy recognition of the currently set operating parameter even in bad lighting conditions.
  • the mechanical device comprises a turn-switch, wherein the turn-switch is rotatable around an axis of rotation and the illumination device is accommodated within the turn-switch and preferably offset to the axis of ration.
  • the turn-switch is not limited in its motion by the illumination device and the risk of damaging the illumination device when the turn-switch is rotated is also eliminated.
  • the turn-switch has a contour which is substantially in the shape of a truncated cone. It is in this embodiment especially preferred, if the small end face side of the truncated cone is formed by a transparent material.
  • the shaping of the turn-switch as a truncated cone makes it easily operable for example with the thumb of the operator of the power tool even in difficult conditions.
  • the turn-switch comprises protrusions on its circumferential outer surface constituting a knurling structure. These protrusions provide enhanced grip to the operator of the power tool, when turning the turn-switch.
  • the working parameter of said power tool is a driving speed of the power tool, i.e. the driving speed of the power tool can be adjusted via the mechanical device for setting the working parameter and preferably the turn-switch. Even more preferred is when the power tool has a rotating tool and the working parameter is the speed of rotation of this tool.
  • the power tool is pneumatically or electrically powered and preferably hand-held or hand-guided.
  • the installation of the illumination device, according to the described embodiments before offers significant advantages since especially hand-held devices are usually miniaturized and the smaller and more lightweight the device is the better. Therefore the arrangement of the illumination device according to the present invention allows further miniaturization of such a device.
  • the power tool is one of a polisher and a sander, preferably an orbital polisher or sander, in particular a random orbital or a roto-orbital polisher or sander.
  • An orbital sander is a sander in which the attachment for the sanding material is rotated in an orbit and a random orbital sander is such a type of sander in which the orbital motion of the sanding attachment is random, i.e. the advancement of the sanding attachment in each step is not prescribed. Rather the advancement of the sanding attachment is influenced by the amount of pressure with which the sanding attachment is pressed onto the surface to be sanded and the angle in which the power tool is held towards to the surface to be sanded.
  • a power tool 10 according to the present invention is shown in an exploded view.
  • the power tool is embodied as a sander, but could be embodied as any other type of power tool, too, e.g. as a polisher.
  • the sander 10 comprises a housing 12 preferably made of a rigid material, such as plastic.
  • the housing 12 comprises a bottom part 12a and a top part 12b detachably fixed to the bottom part 12a by means of a latching connection and/or screws 14.
  • the bottom part 12a of the housing 12 comprises a palm pad 16, which is adapted to be gripped by a user with one hand when operating the power tool 10.
  • the palm pad 16 preferably comprises an insert and is preferably made of resilient material such as an elastomer or rubber.
  • the rear part of the housing 12 forms a grip section which can be gripped by the user with his other hand.
  • the housing further comprises a lower section 18 below the palm pad 16 with an enlarged diameter.
  • the lower section 18 is adapted for receiving a working element (backing pad with a sanding paper or in the case of a polisher with a polishing pad) for working the surface of a workpiece, such as the body of a vehicle or the hull of a boat.
  • a suction bonnet 20 preferably made of resilient material can be connected to the lower section 18 of the housing 12.
  • the suction bonnet 20 has an annular shape and comprises a suction nozzle 22 located circumferentially and directed radially towards the outside.
  • the suction nozzle 22 can be connected to a suction spout 24 adapted for being releasably fixed to the bottom of the housing 12, e.g. by means of a screw 24a.
  • the spout 24 comprises a hose adapter 26 for connecting the spout 24 and hence the entire suction elements 20, 22 to the hose of a vacuum cleaner for aspirating dust or other fine particles occurring during working the work piece.
  • An electric motor (not shown) of the tool 10 is located in the housing 12, preferably within or under the palm pad 16.
  • the motor serves for making the working element of the tool 10 perform an actuating movement, which may be e.g. a purely rotary, a roto-orbital or a random-orbital actuating movement.
  • one or more gear mechanisms can be located functionally between the motor shaft and the working element, in order to translate the rotational movement of the motor shaft into the desired actuating movement of the working element.
  • the electric motor is powered with electricity provided to the power tool 10 by means of a power cord 28 comprising three wires 30.
  • the power cord 28 is introduced into the housing 12 from the rear end by means of a sealing grommet 32, preferably made of a resilient material and clamped between the two parts 12a and 12b of the housing 12 when fixed together.
  • a strain-relief element 34 is located in the housing 12, which is releasably fixed to the housing 12 by means of screws 34a.
  • the upper part 12a of the housing 12 comprises an on/off switch 36 and an actuating lever 38 pivotably fixed to the upper part 12a.
  • the lever 38 is pivotable about an axis defined by a turning shaft 40 against the force of a spring element 42.
  • the actuating lever 38 serves for starting and stopping operation of the working element and for controlling the speed of the working element's actuating movement.
  • the lever 38 can be pressed down by the user with the same hand which also rests on the palm pad 16.
  • a printed circuit board (PCB) 44 is accommodated in the housing 12, more specifically between the lower part 12a and the upper part 12b of the housing 12, a printed circuit board (PCB) 44 is accommodated.
  • the PCB 44 comprises a control unit 46 for the power tool 10.
  • the control unit 46 may comprise a microprocessor.
  • the PCB 44 further comprises several circuit paths and a plurality of electronic components for realizing the control unit's functionality.
  • a surface mounted switching element 48 is located on the PCB 44, which is in connection with the on/off switch 36, when the power tool 10 is assembled.
  • the PCB 44 comprises electric sockets to which the wires 30 of the power cable 28 are connected for providing the tool 10, its control unit 46 and the electric motor with electric energy.
  • the power tool 10 also comprises a mechanical device 50 for setting a working parameter of the power tool.
  • the working parameter can be, e.g. a maximum speed of the working element, if the actuating lever 38 is completely pressed down during operation of the tool 10.
  • the mechanical device 50 comprises a turn-switch 52 being visible and accessible from outside of the power tool 10. In particular, when the power tool 10 is assembled, the turn-switch 52 protrudes through an opening 54 in the bottom part 12a of the housing 12. Of course, the visible part of the mechanical device 50 could be visible and accessible at any other position of the housing 12, too.
  • the turn-switch 52 is connected to a potentiometer 56. By actuating the turn-switch 52, in particular by rotating it about an axis 58 of rotation, the resistance of the potentiometer 56 can be adjusted to a desired value corresponding to or representative of the desired value the working parameter.
  • the potentiometer 56 is connected to the printed circuit board 44 via three flexible wires 60.
  • the flexible wires 60 are stranded wires.
  • the potentiometer 56 is covered by a cover 62 having a through hole 62a in order to allow the turning movement of the turn-switch 52 to be transferred to the potentiometer 56.
  • the cover 62 is shown in more detail in figure 4 .
  • the power tool 10 further comprises an illumination device 64, that is symbolically shown in figure 1 .
  • the tool 10 could also comprise more than one illumination device 64.
  • the illumination device 64 is accommodated within the turn-switch 52 and is placed offset to the axis of rotation 58.
  • the cover 62 comprises a receiving hole 62b located offset to the axis 58 near the outside of the cover 62.
  • the illumination device 50 is located inside the receiving hole 62b.
  • the illumination device 50 serves for illuminating the turn-switch 52 from the inside.
  • the turn-switch 52 comprises transparent sections 65 allowing translucence of the light emitted by the illumination device 64.
  • the transparent sections 65 are made of translucent material preferably resembling numbers referring to certain values of the working parameters of the power tool 10 if the mechanical device 50 is set to these numbers.
  • the illumination device 64 is, just as the potentiometer 56, connected to the printed circuit board 44 via flexible wires that are preferably stranded wires and are not separately shown in figure 1 .
  • FIG 2 an alternative embodiment of the mechanical device 50 for setting the working parameter is shown.
  • the turn-switch 52 is substantially in the shape of a truncated cone (see figure 3 ).
  • a circumferential wall 66 of the turn-switch 52 is constructed of untransparent (opaque) material while the transparent sections 65 are made of translucent material. Further translucent sections 65 could also be provided in the turn-switch 52, e.g. a bottom face 68.
  • the illumination device 64 comprises two LEDs 70. Both of the LEDs 70 are accommodated within the turn-switch 52, preferably within appropriate receiving holes 62b of a cover 62, and arranged offset to the axis of rotation 58 of the turn-switch 52. When the illumination device 64 emits light, then this light is blocked off by the untransparent circumferential walls 66, but can pass the translucent sections 65 of the turn-switch 52. Both LEDs 70 comprise electrical contacts 72.
  • the electrical contacts 72 are solid wires extending out of the LEDs 70 and forming part of the LEDs 70.
  • the LEDs 70 are indirectly connected to the printed circuit board 44 by flexible wires 74, i.e. the flexible wires 74 connect the electrical contacts 72 to the printed circuit board 44.
  • An electric and/or electronic component 76 as well as two heat sinks 78 are directly connected to the printed circuit board 44.
  • wires 80 are preferably rigid wires, each containing a single conducting strand.
  • the turn-switch 52 comprises protrusions 82 on its circumferential outer surface 66 constituting a knurling structure, for an enhanced grip and an easier actuation of the turn-switch 52 by a user.
  • the protrusions 82 are arranged in groups 84 wherein in the individual groups 84 of protrusions 82 are separated by smoothed sections of the circumferential surface 66, where the transparent sections 65 are realized.
  • Figure 3 shows the mechanical device 50 of figure 2 in a perspective view. It is well visible that the printed circuit board 44 has a frame 86 around its circumferential edge and attached to that frame are connecting feet 88, which allow for easy installation of the printed circuit board 44 in the housing 12 of the power tool 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP16200989.8A 2016-11-28 2016-11-28 Elektrowerkzeug Active EP3326758B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16200989.8A EP3326758B1 (de) 2016-11-28 2016-11-28 Elektrowerkzeug
CN201711194891.9A CN108115620A (zh) 2016-11-28 2017-11-24 动力工具
US15/822,520 US20180147686A1 (en) 2016-11-28 2017-11-27 Power tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16200989.8A EP3326758B1 (de) 2016-11-28 2016-11-28 Elektrowerkzeug

Publications (2)

Publication Number Publication Date
EP3326758A1 true EP3326758A1 (de) 2018-05-30
EP3326758B1 EP3326758B1 (de) 2022-08-10

Family

ID=57421716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16200989.8A Active EP3326758B1 (de) 2016-11-28 2016-11-28 Elektrowerkzeug

Country Status (3)

Country Link
US (1) US20180147686A1 (de)
EP (1) EP3326758B1 (de)
CN (1) CN108115620A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112556A1 (de) * 2019-05-14 2020-11-19 Ferrobotics Compliant Robot Technology Gmbh Orbitalschleifmaschine mit bremsvorrichtung
USD1024470S1 (en) * 2021-05-18 2024-04-23 Bissell Inc. Vacuum cleaner accessory tool
DE102022134161A1 (de) * 2021-12-22 2023-06-22 Festool Gmbh Hand-Werkzeugmaschine mit in Winkelpositionen montierbarem Handgriffgehäuseteil

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EP1787760A1 (de) * 2005-11-21 2007-05-23 HILTI Aktiengesellschaft Handwerkzeuggerät mit geschäumter Verkabelung
DE202006004934U1 (de) * 2006-03-28 2007-08-02 Robert Bosch Gmbh Handwerkzeugmaschine
US20080074865A1 (en) * 2006-09-25 2008-03-27 Manfred Lutz Hand-held power tool
WO2008133339A1 (en) * 2007-04-23 2008-11-06 Hitachi Koki Co., Ltd. Electrical power tool
EP2002931A1 (de) * 2007-06-13 2008-12-17 BLACK & DECKER INC. Schleifmaschine
DE102010013783A1 (de) 2010-04-03 2011-10-06 Protool Gmbh Beleuchtungsvorrichtung mit LEDs
US20130292147A1 (en) * 2012-05-02 2013-11-07 Milwaukee Electric Tool Corporation Power tool having a speed selector switch
US20140284070A1 (en) * 2012-06-08 2014-09-25 Black & Decker Inc. Operating mode indicator for a power tool
US20140361645A1 (en) * 2013-06-06 2014-12-11 Milwaukee Electric Tool Corporation Brushless dc motor configuration for a power tool
JP2015153626A (ja) * 2014-02-14 2015-08-24 オムロン株式会社 接点機構およびこれを用いたトリガースイッチ，電動工具

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US5561734A (en) * 1992-08-13 1996-10-01 Milwaukee Electric Tool Corporation Dial speed control for hand-held power tool
ATE397310T1 (de) * 2005-11-01 2008-06-15 Black & Decker Inc Kodiereinheit mit widerständen für einen kabelbaum
JP5146717B2 (ja) * 2007-04-23 2013-02-20 日立工機株式会社 電動工具
CN201320752Y (zh) * 2008-10-09 2009-10-07 南京德朔实业有限公司 电动工具
WO2013187411A1 (ja) * 2012-06-12 2013-12-19 日立工機株式会社 動力機器、動力機器システム、及び電動工具管理システム
US20140073229A1 (en) * 2012-09-08 2014-03-13 Ssdb, Llc Interchangeable Polishing and Buffing Device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1787760A1 (de) * 2005-11-21 2007-05-23 HILTI Aktiengesellschaft Handwerkzeuggerät mit geschäumter Verkabelung
DE202006004934U1 (de) * 2006-03-28 2007-08-02 Robert Bosch Gmbh Handwerkzeugmaschine
US20080074865A1 (en) * 2006-09-25 2008-03-27 Manfred Lutz Hand-held power tool
WO2008133339A1 (en) * 2007-04-23 2008-11-06 Hitachi Koki Co., Ltd. Electrical power tool
EP2002931A1 (de) * 2007-06-13 2008-12-17 BLACK & DECKER INC. Schleifmaschine
DE102010013783A1 (de) 2010-04-03 2011-10-06 Protool Gmbh Beleuchtungsvorrichtung mit LEDs
US20130292147A1 (en) * 2012-05-02 2013-11-07 Milwaukee Electric Tool Corporation Power tool having a speed selector switch
US20140284070A1 (en) * 2012-06-08 2014-09-25 Black & Decker Inc. Operating mode indicator for a power tool
US20140361645A1 (en) * 2013-06-06 2014-12-11 Milwaukee Electric Tool Corporation Brushless dc motor configuration for a power tool
JP2015153626A (ja) * 2014-02-14 2015-08-24 オムロン株式会社 接点機構およびこれを用いたトリガースイッチ，電動工具
EP3107110A1 (de) * 2014-02-14 2016-12-21 Omron Corporation Kontaktmechanismus, kippschalter damit und elektrowerkzeug

Also Published As

Publication number Publication date
EP3326758B1 (de) 2022-08-10
US20180147686A1 (en) 2018-05-31
CN108115620A (zh) 2018-06-05

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