EP3260240A1 - Machine-outil portative - Google Patents

Machine-outil portative Download PDF

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Publication number
EP3260240A1
EP3260240A1 EP17165882.6A EP17165882A EP3260240A1 EP 3260240 A1 EP3260240 A1 EP 3260240A1 EP 17165882 A EP17165882 A EP 17165882A EP 3260240 A1 EP3260240 A1 EP 3260240A1
Authority
EP
European Patent Office
Prior art keywords
unit
switch element
adaptation
state
operating
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
EP17165882.6A
Other languages
German (de)
English (en)
Other versions
EP3260240B1 (fr
Inventor
Achim Duesselberg
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
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Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3260240A1 publication Critical patent/EP3260240A1/fr
Application granted granted Critical
Publication of EP3260240B1 publication Critical patent/EP3260240B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/195—Regulation means
    • B25D2250/201—Regulation means for speed, e.g. drilling or percussion speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/221—Sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B25D2250/261—Means for locking an operative switch on

Definitions

  • Drill and / or chisel hammers have already been proposed which comprise an electronic device for adapting an operating parameter of a drive unit as a function of a load state of a hammer mechanism unit.
  • the invention is based on a hand-held power tool having at least one striking mechanism unit for generating a pulse on an insertion tool, with at least one drive unit for driving the at least one percussion unit, with at least one electronic device having at least one adaptation unit for automatically adapting at least one operating parameter of the at least a drive unit in response to a load condition of the percussion mechanism unit, and with at least one switching device having at least one switch element for commissioning the at least one drive unit.
  • the at least one electronic device comprises at least one control unit for controlling the at least one adaptation unit as a function of a maximum actuation state and / or of a locked actuation state of the at least one switch element.
  • the hand tool is preferably designed as a power hand tool.
  • the hand tool is preferably formed by a drill and / or chisel hammer.
  • a "percussion unit” should be understood as meaning, in particular, a unit which at least partially provides for generating a pulse, in particular a striking impulse on an insertion tool of a handheld power tool, in particular by converting a rotational movement of a drive unit of the hand tool into a linear movement is.
  • the percussion unit may be provided in addition to a rotary drive of the insert tool in an operating condition.
  • the percussion unit in particular comprises at least one piston element, which is preferably at least partially mechanically coupled to a drive unit of the power tool.
  • the piston element is preferably provided to perform a linear movement in an operating state.
  • the guide element is preferably formed by a hammer tube and is preferably also provided for a linear guidance of the piston element.
  • the percussion unit comprises a pneumatic striking mechanism.
  • a “drive unit” is to be understood in this context, in particular a unit which is provided in an operating state at least partially to a drive of a coupled with the power tool insertion tool.
  • "Provided” is to be understood in particular to be specially designed, designed and / or equipped.
  • the drive unit preferably comprises at least one electric motor, in particular an EC motor.
  • the drive unit at least partially pneumatically and / or to another, a person skilled appears reasonable Way is designed drivable.
  • An “electronic device” is to be understood in this context, in particular, as a unit which, at least in one operating state of the handheld power tool, is at least partially provided for a control and / or regulation, in particular the drive unit of the handheld power tool.
  • the electronic unit preferably comprises at least one motor controller of the drive unit.
  • the electronic unit preferably has electronic components, in particular at least one transistor, at least one capacitor, at least one processor, particularly preferably at least one field effect transistor (MOSFET) and / or at least one bipolar transistor, in particular with an insulated gate electrode (IGBT).
  • MOSFET field effect transistor
  • IGBT insulated gate electrode
  • a "load state” is to be understood as meaning, in particular, a state of the percussion mechanism unit in which the percussion mechanism unit generates at least one pulse, preferably several successive impulses, and in particular transmits it to the insertion tool.
  • the load state of the percussion unit defines in particular a percussion operation of the percussion unit.
  • the load state of the percussion unit is preferably detected by means of at least one sensor element, in particular by means of at least one acceleration sensor.
  • a "switch element” is intended in particular to mean an element or a subassembly which is intended to be actuated at least partially directly by an operator of the handheld power tool and which is intended to be connected between at least two points. in particular between at least two switching contacts of the switching unit to produce an electrically conductive connection and / or separate.
  • the at least one switching device is preferably at least partially as an electronic, mechanical and / or electromechanical switching device formed, which in particular comprises at least one relay.
  • the at least one switch element is preferably designed as a switch button.
  • the at least one switch element is particularly preferably designed as a throttle switch, wherein a control of a rotational speed of the at least one drive unit in the operating state is preferably reached via an actuating position of the at least one switch element by the operator.
  • a “maximum operating state” should be understood in this context, in particular an actuating position of the at least one switch element, wherein the at least one switch element rests against an end stop, in particular by the operator manually pressed to an end stop and held.
  • a “locked operating state” should in this context be understood to mean, in particular, a state of the at least one switch element in which the at least one switch element is fixed in at least one position, in particular without intervention by the operator in an actuation position, in particular by means of at least one switch locking unit Commissioning of the drive unit is maintained.
  • control unit is to be understood as meaning, in particular, a unit having at least one control electronics, which in particular comprises at least one processor unit and a memory unit as well as an operating program stored in the memory unit.
  • the control of the at least one adaptation unit is preferably designed as, in particular automatic, activation and / or deactivation of the at least one adaptation unit.
  • the at least one adaptation unit can be automatically activated by means of the at least one control unit in a maximum, manual actuation state of the at least one switch element.
  • a speed drop in a load state of the at least one percussion unit can be reduced or avoided in an advantageously comfortable and user-friendly manner.
  • a "manual actuation state" should be understood in particular to be an actuation of the at least one switch element by the operator. In a state in which the operator presses the at least one switch element only partially and the at least one switch element spaced from an end stop is arranged, the at least one adjustment unit is automatically deactivated by means of the at least one control unit.
  • the at least one switching device comprises at least one switch locking unit for locking the at least one switch element in an actuation state, wherein the at least one adaptation unit can be automatically activated by the at least one control unit in a locked actuation state of the at least one switch element.
  • the at least one switch element is preferably mechanically and / or electronically locked in the locked operating state by means of the at least one switch locking unit.
  • the locked operating state that appear meaningful to a person skilled in the art are also conceivable.
  • the at least one adaptation unit is automatically deactivated by means of the at least one control unit.
  • the at least one electronic device comprises at least one timer element for detecting an operating time of the at least one switch element in a maximum actuation state, wherein by means of the at least one control unit the at least one adaptation unit in a maximum actuation state of the at least one switch element as a function of the operating time is activatable.
  • the at least one adaptation unit can preferably be automatically activated after 5 seconds, preferably after 10 seconds and particularly preferably after 20 seconds of a continuous maximum actuation state.
  • the operating time of the at least one switch element in a maximum actuation state for activating the at least one adaptation unit is adjustable by the operator.
  • the at least one adaptation unit has at least one control value for the automatic adaptation of the at least one operating parameter of the at least one drive unit at a maximum actuation state of the at least one switch element and at least one further control value for the automatic adaptation of the at least one operating parameter of the at least one drive unit with a locked one Actuating state of the at least one switch element.
  • the at least one control value and the at least one further control value are preferably designed differently.
  • the at least one control value and the at least one further control value are identical.
  • the at least one control value and / or the at least one further control value are particularly preferably designed to be adjustable by an operator.
  • the handheld power tool comprises at least one adjustment unit, by means of which the at least one adaptation unit can be permanently activated by an operator.
  • the at least one adaptation unit can be permanently activated by an operator.
  • the handheld power tool comprises at least one communication unit for communication with an external device by transmission of electronic data, wherein the at least one setting unit can be operated via the external device.
  • the at least one communication unit is provided for wireless communication.
  • wireless communication should be understood to mean, in particular, that the at least one communication unit is intended to transmit the electronic data via a particularly disembodied information carrier, for example via sound, light and / or preferably Radio waves to send and receive.
  • the at least one communication unit is provided for a wireless connection, for example via radio, WLAN, Bluetooth and / or to another manner that appears appropriate to a person skilled in the art.
  • the at least one communication unit is provided for a wired transmission of the electronic data.
  • the external device is preferably formed by a smartphone, a laptop, a tablet, a smart wake, a central office and / or in another way that appears appropriate to a person skilled in the art.
  • a method for operating the handheld power tool which comprises at least one adaptation unit for adapting at least one operating parameter of at least one drive unit as a function of a load state of at least one percussion unit, depending on an actuation state of the at least one switch element ,
  • at least one adaptation unit for adapting at least one operating parameter of at least one drive unit as a function of a load state of at least one percussion unit, depending on an actuation state of the at least one switch element
  • the method comprises at least one method step in which the at least one adaptation unit is automatically activated in a maximum manual actuation state or in a locked actuation state of the at least one switch element.
  • the method comprises at least one method step in which the at least one adaptation unit is permanently activated by an operator.
  • the hand tool according to the invention and / or the method according to the invention should not be limited to the application and embodiment described above be limited.
  • the handheld power tool according to the invention and / or the method according to the invention for performing a function described herein can have a number deviating from a number of individual elements, components and units and method steps mentioned herein.
  • values lying within the stated limits are also to be disclosed as disclosed and used as desired.
  • a hand tool 10 is shown.
  • the hand tool 10 is designed as an electric hand tool.
  • the hand tool 10 is designed as a battery hand tool.
  • the power tool 10 is designed as a mains-operated power tool.
  • the hand tool 10 is formed by a hammer drill.
  • the hand tool 10 is as Akkubohrhammer formed with a battery interface 44 for coupling with a battery 46.
  • the battery 46 is designed as a 36 V battery.
  • other embodiments of the power supply for example by means of multiple batteries, in particular 18 V batteries, or by means of a power plug, conceivable.
  • the hand tool 10 also has a tool holder 48 for receiving an insert tool 14.
  • the tool holder 48 is designed as an SDSmax® quick change tool holder.
  • SDS® is a registered trademark of Robert Bosch GmbH (registration number DE 396086497 ).
  • the hand tool 10 has at least one drive unit 16.
  • the hand tool 10 has a drive unit 16 for driving a percussion unit 12, which comprises an electric motor.
  • a torque generated by the electric motor of the drive unit 16 is converted by a transmission unit 50 into an operating function set by an operator and directed to a power take-off device 52, which comprises the impact mechanism unit 12 for generating a pulse on the insertion tool 14.
  • the output device 52 is connected directly to the tool holder 48.
  • the percussion unit 12 is designed as a hammer impact mechanism. However, other embodiments of the percussion mechanism unit 12 that appear appropriate to a person skilled in the art are also conceivable.
  • the percussion unit 12 converts in one operating state the torque generated by the drive unit 16 in the pulse to the insert tool 14.
  • the drive unit 16, the gear unit 50 and the output device 52 are enclosed by two housing shells 54 of the power tool 10. In principle, embodiments are also conceivable in which the units are arranged in two or more pot-like housing parts.
  • the handheld power tool 10 has at least one switching device 22, which comprises at least one switch element 24 for commissioning the drive unit 16.
  • the switching device 22 additionally comprises at least one switch locking unit 28 for locking the at least one switch element 24 in an actuated state.
  • the hand tool 10 has exactly one switching device 22, which includes exactly one switch element 24 and exactly one switch locking unit 28 for locking the switch element 24 in an operating state.
  • the handheld power tool 10 it is also conceivable for the handheld power tool 10 to have another number of switching device 22, switch elements 24 and / or switch locking units 28 that appears appropriate to a person skilled in the art.
  • the switch element 24 is provided for starting up the drive unit 16 by activating a power supply of the drive unit 16.
  • the switch element 24 is designed as a mechanical switch.
  • the switch element 24 is designed as a switch button.
  • the switch element 24 is provided for closing at least one electrical contact of a circuit for activating the power supply of the drive unit 16.
  • the switch element 24 is formed by an operator directly operable. To activate the electric motor of the drive unit 16, the operator of the handheld power tool 10 presses the switch element 24 and thus puts the drive unit 16 of the handheld power tool 10 into an activation state. To maintain this activation state, the operator holds the switch element 24 depressed.
  • the switching device 22 further comprises the switch locking unit 28, which is provided independently of an action of an operator operating force for maintaining an active operating mode of the drive unit 16, which can be activated by the actuation of the switch element 24.
  • the Heidelbergerarrettechniksaku 28 is designed as a mechanical Heidelbergerarret réellesaku. However, the Heidelbergerarret réellestechnik 28 may also be formed as an electronic Wegerarrettechniksritt.
  • the switch lock unit 28 includes a lock member 56 for mechanically locking the switch member 24 in the activation state.
  • the locking element 56 is formed directly operable by the operator.
  • the handheld power tool 10 has at least one electronic device 18 that has at least one adaptation unit 20 for automatic adaptation of at least one operating parameter of the at least one drive unit 16 depending on a load condition of the percussion unit 12 includes.
  • the hand tool 10 has exactly one electronic device 18 with exactly one matching unit 20.
  • the adaptation unit 20 is provided for the adaptation of exactly one operating parameter.
  • the adaptation unit 20 is provided for adapting a setpoint speed of the electric motor of the drive unit 16.
  • other embodiments of the operating parameter which appear expedient to a person skilled in the art and / or an adaptation of additional operating parameters are also conceivable.
  • the adaptation unit 20 is provided for adaptation of the operating parameter that is independent of an active intervention by the operator.
  • the adjustment by means of the adaptation unit 20 takes place at a transition from an idle speed to a load speed of the electric motor of the drive unit 16.
  • the rotational speed of the electric motor of the drive unit 16 changes with the onset of impact operation of the impact mechanism unit 12.
  • the setpoint speed of the electric motor of the drive unit 16 is increased by means of the adaptation unit 20 during the transition from the idle speed to the load speed.
  • the electronic device 18 additionally comprises at least one control unit 26 for controlling the adaptation unit 20 as a function of a maximum actuation state and / or a locked actuation state of the switch element 24.
  • the electronic device 18 comprises precisely one control unit 26 for controlling the adaptation unit 20.
  • the electronic device 18 comprises a plurality of control units 26, in particular a further control unit for controlling the drive unit 16.
  • the electronic device 18 includes a detection unit 58 for detecting the operating state of the switch element 24.
  • the detection unit 58 and the control unit 26 are electronically connected.
  • the detection unit 58 and the control unit 26 are wirelessly connected electronically.
  • the detection unit 58 and the switching device 22 are electronically connected.
  • the detection unit 58 is provided to a maximum operating state by an operation of the switch element 24 by the operator to an end stop of the switch element 24 and a locked state of the Switch element 24 by the Heidelbergerarret iststechnik 28 to recognize.
  • the control unit 26 controls the adaptation unit 20 as a function of the actuation state of the switch element 24 detected by the detection unit 58.
  • the adaptation unit 20 can be automatically activated in a maximum, manual actuation state of the switch element 24 or in a locked state of the switch element 24. In a manual operation of the switch element 24 by the operator, wherein the switch element 24 is not completely pressed, the adjustment of the operating parameter of the drive unit 16 is blocked by the adjustment unit 20 by means of the control unit 26.
  • the adaptation unit 20 has at least one control value for automatic adjustment of the operating parameter of the drive unit 16 at a maximum actuation state of the switch element 24 and at least one further control value for automatic adaptation of the operating parameter of the drive unit 16 with a locked actuation state of the switch element 24.
  • the adaptation unit 20 has a control value for automatic adjustment of the operating parameter of the drive unit 16 at a maximum actuation state of the switch element 24 and a further control value for automatic adaptation of the operating parameter of the drive unit 16 with a locked actuation state of the switch element 24.
  • control value for the automatic adjustment of the operating parameter of the drive unit 16 at a maximum actuation state of the switch element 24 and the further control value for the automatic adaptation of the operating parameter of the drive unit 16 with a locked actuation state of the switch element 24 are different.
  • the control value and the further control value By means of the control value and the further control value, the desired rotational speed of the electric motor of the drive unit 16 is adjusted and controlled.
  • the adaptation unit 20 can be controlled in a differentiated manner by means of the control unit 26 as a function of the manual actuation or the locking of the switch element 24.
  • the control value and the further control value are identical.
  • the electronic device 18 has at least one timer element 30 for detecting an operating time or operating duration of the switch element 24 in FIG a maximum actuation state, wherein by means of the control unit 26, the adjustment unit 20 can be activated in a maximum actuation state of the switch element 24 as a function of the operating time or actuation duration.
  • the electronic device 18 has exactly one timer element 30. However, there are also several timer elements 30 conceivable.
  • the control unit 26 activates the adaptation unit 20 after the switch element 24 has been held by the operator for a minimum duration of operation in the maximum operating state.
  • the minimum actuation duration is detected by the timer element 30.
  • the minimum duration of operation is 10 s. However, other embodiments of the minimum duration of operation which appear sensible to a person skilled in the art are also conceivable.
  • the handheld power tool 10 has at least one adjustment unit 32, by means of which the adaptation unit 20 can be permanently activated by an operator.
  • the hand tool 10 has exactly one adjustment unit 32.
  • the adjustment unit 20 by means of the adjustment unit 32 by the operator, alternatively or additionally, permanently deactivated.
  • the handheld power tool 10 comprises at least one communication unit 34 for communicating with an external device 36 by transmitting electronic data, wherein the at least one setting unit 32 can be operated via the external device 36.
  • the hand tool 10 has exactly one communication unit 34.
  • a plurality of communication units which would appear meaningful to a person skilled in the art, can be used.
  • the communication unit 34 is provided for wireless communication with the external device 36.
  • the external device 36 is formed by a smartphone.
  • other embodiments of the external device 36 that appear sensible to a person skilled in the art, such as, for example, a central station or SmartBand, are also conceivable.
  • the setting unit 32 comprises an actuating element which is designed to be directly operable by the operator, wherein the actuating element is designed as a mechanical, electromechanical or electronic switch or other, a person skilled in the seeming appropriate manner.
  • FIG. 3 a flow chart of a method for operating the power tool 10 is shown.
  • the method has at least one method step 38, in which the adaptation unit 20 for adjusting the operating parameter of the drive unit 16 is controlled as a function of the load condition of the impact mechanism unit 12, depending on the actuation state of the switch element 24.
  • the method has exactly one method step 38 for controlling the adaptation unit 20 as a function of the load state of the impact mechanism unit 12, depending on the actuation state of the switch element 24.
  • the adaptation unit 20 is activated by the control unit 26 in the method step 38 when the switch element 24 is pressed completely by the operator and is thus in the maximum operating state or when the switch element 24 is locked by means of the switch locking unit 28. In a partially depressed operating state of the switch element 24 by the operator, the control unit 26 blocks the activation of the adjustment unit 20 in the method step 38.
  • the method has at least one method step 40, in which the adaptation unit 20 is automatically activated in the maximum manual actuation state or in the locked actuation state of the switch element 24.
  • the method has exactly one method step 40 for the automatic activation of the adaptation unit 20.
  • the method also has a method step 60, in which the actuation state of the switch element 24 is detected by the detection unit 58.
  • the adaptation unit 20 is automatically activated or deactivated as a function of the detected actuation state of the switch element 24.
  • the activation of the adaptation unit 20 takes place in the method step 40 independently of an active intervention of the operator.
  • the method has at least one method step 42, in which the adaptation unit 20 is permanently activated by the operator.
  • the procedure has exactly one process step 42 for permanent activation of the adaptation unit 20 by the operator.
  • process steps which appear appropriate to a person skilled in the art, for the permanent activation of the adaptation unit 20 by the operator are conceivable.
  • the adaptation unit 20 is activated or deactivated in the method step 42 by an active intervention of the operator.
  • further process steps which appear meaningful to a person skilled in the art and which may comprise the method alternatively or additionally.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP17165882.6A 2016-06-20 2017-04-11 Machine-outil portative et procédé pour l'opération de cette machine-outil portative Active EP3260240B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016210937.5A DE102016210937A1 (de) 2016-06-20 2016-06-20 Handwerkzeugmaschine

Publications (2)

Publication Number Publication Date
EP3260240A1 true EP3260240A1 (fr) 2017-12-27
EP3260240B1 EP3260240B1 (fr) 2021-09-22

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ID=58536834

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EP (1) EP3260240B1 (fr)
DE (1) DE102016210937A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD887806S1 (en) 2018-04-03 2020-06-23 Milwaukee Electric Tool Corporation Jigsaw
CN111902242A (zh) * 2018-04-09 2020-11-06 喜利得股份公司 用于工具机的开关以及开关逻辑
US10835972B2 (en) 2018-03-16 2020-11-17 Milwaukee Electric Tool Corporation Blade clamp for power tool
US11014176B2 (en) 2018-04-03 2021-05-25 Milwaukee Electric Tool Corporation Jigsaw

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018200082A1 (de) * 2018-01-04 2019-07-04 Robert Bosch Gmbh Werkzeugmaschinenvorrichtung

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Publication number Priority date Publication date Assignee Title
US6044918A (en) * 1995-09-20 2000-04-04 Hilti Aktiengesellschaft Percussion blow added manually operable drilling tool
US20040200628A1 (en) * 2003-04-11 2004-10-14 Harald Schmitzer Control for a hand-held electric machine tool
EP2293312A1 (fr) * 2009-09-04 2011-03-09 Makita Corporation Commutation à vitesse variable
DE102013212691A1 (de) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Handwerkzeugmaschine
DE102014219393A1 (de) * 2014-09-25 2016-03-31 Robert Bosch Gmbh Betriebssteuerungsvorrichtung

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JP3886818B2 (ja) 2002-02-07 2007-02-28 株式会社マキタ 締付工具
JP4019054B2 (ja) 2004-02-09 2007-12-05 リョービ株式会社 電動工具
JP5242974B2 (ja) 2007-08-24 2013-07-24 株式会社マキタ 電動工具
JP5374331B2 (ja) 2009-11-25 2013-12-25 パナソニック株式会社 回転工具
JP6181450B2 (ja) 2013-07-24 2017-08-16 株式会社マキタ 往復動電動工具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6044918A (en) * 1995-09-20 2000-04-04 Hilti Aktiengesellschaft Percussion blow added manually operable drilling tool
US20040200628A1 (en) * 2003-04-11 2004-10-14 Harald Schmitzer Control for a hand-held electric machine tool
EP2293312A1 (fr) * 2009-09-04 2011-03-09 Makita Corporation Commutation à vitesse variable
DE102013212691A1 (de) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Handwerkzeugmaschine
DE102014219393A1 (de) * 2014-09-25 2016-03-31 Robert Bosch Gmbh Betriebssteuerungsvorrichtung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10835972B2 (en) 2018-03-16 2020-11-17 Milwaukee Electric Tool Corporation Blade clamp for power tool
USD887806S1 (en) 2018-04-03 2020-06-23 Milwaukee Electric Tool Corporation Jigsaw
US11014176B2 (en) 2018-04-03 2021-05-25 Milwaukee Electric Tool Corporation Jigsaw
US11813682B2 (en) 2018-04-03 2023-11-14 Milwaukee Electric Tool Corporation Jigsaw
CN111902242A (zh) * 2018-04-09 2020-11-06 喜利得股份公司 用于工具机的开关以及开关逻辑
CN111902242B (zh) * 2018-04-09 2022-05-24 喜利得股份公司 用于工具机的开关以及开关逻辑
US11389941B2 (en) 2018-04-09 2022-07-19 Hilti Aktiengesellschaft Switch for machine tool and switching logic

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Publication number Publication date
DE102016210937A1 (de) 2017-12-21
EP3260240B1 (fr) 2021-09-22

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