EP4076853A1 - Outil de travail - Google Patents

Outil de travail

Info

Publication number
EP4076853A1
EP4076853A1 EP20819803.6A EP20819803A EP4076853A1 EP 4076853 A1 EP4076853 A1 EP 4076853A1 EP 20819803 A EP20819803 A EP 20819803A EP 4076853 A1 EP4076853 A1 EP 4076853A1
Authority
EP
European Patent Office
Prior art keywords
piston
stator
coil
working
capacitor
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
EP20819803.6A
Other languages
German (de)
English (en)
Inventor
Chafic Abu Antoun
Florian Schmid
Albert Binder
Manuel Gut
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP4076853A1 publication Critical patent/EP4076853A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/008—Safety devices

Definitions

  • the present invention relates to a tool, such as a setting tool for driving fastening elements into a substrate.
  • Tools of this type often have a working piston which is intended to move along a working axis.
  • the working piston is driven by a drive which accelerates the working piston.
  • WO 2018/104406 A1 describes a drive which has an electrical capacitor, a squirrel-cage rotor arranged on the working piston and an excitation coil through which current flows when the capacitor is rapidly discharged and generates a magnetic field in order to accelerate the working piston.
  • Setting tools usually have a receptacle for a fastening element, from which a fastening element received therein is conveyed into the ground along a working axis.
  • the working element is driven by the drive along the working axis towards the fastening element.
  • the object of the present invention is to provide a setting tool of the aforementioned type in which a high degree of efficiency and / or a good setting quality is guaranteed.
  • a preferably hand-held tool for working on a subsurface having a stator and a working piston which is provided to move relative to the stator along a working axis and to hit a fastening element in order to insert the fastening element into the subsurface to drive, further comprising a drive which is provided to drive the working piston along the working axis onto the ground, the drive having a piston coil capacitor and a piston coil arranged on the working piston, the piston coil being electrically connectable to the piston coil capacitor in order to achieve a Fast discharge of the piston coil capacitor with current flowing through it and generating a magnetic field which accelerates the working piston relative to the stator.
  • the magnetic field preferably repels the stator.
  • An advantageous embodiment is characterized in that the drive comprises a circuit by means of which the rapid discharge is triggered and / or the piston coil is electrically connected to the piston coil capacitor.
  • a capacitor in the sense of the invention is to be understood as an electrical component which stores electrical charge and the associated energy in an electrical field.
  • a capacitor has two electrically conductive electrodes, between which the electric field builds up when the electrodes are electrically charged differently.
  • a fastening element in the context of the invention is to be understood as meaning, for example, a nail, a pin, a clamp, a clip, a bolt, in particular a threaded bolt or the like.
  • the drive has a stator coil capacitor and a stator coil arranged on the stator, the stator coil being electrically connectable to the stator coil capacitor in order to be flowed through with current in the event of a rapid discharge of the stator coil capacitor and to generate a magnetic field which the Working piston accelerated relative to the stator, preferably pushing off the working piston.
  • the piston coil preferably has a piston coil axis and the stator coil has a stator coil axis, the piston coil axis and the stator coil being oriented parallel to one another and preferably coinciding.
  • piston coil capacitor and the stator coil capacitor are likewise preferably identical, the piston coil and the stator coil being particularly preferably connected electrically in series with one another.
  • stator has two electrical stator contacts and the working piston has two electrical piston contacts each sliding on one of the electrical stator contacts in order to electrically connect the piston coil to the piston coil capacitor.
  • the electrical stator contacts each have a contact bar and the electrical piston contacts each have a contact brush or a slip ring or vice versa, that is, the electrical piston contacts each have a contact bar and the electrical stator contacts each have a contact brush or a slip ring.
  • the electrical stator contacts and / or the electrical piston contacts are preferably arranged radially within the stator coil and / or the piston coil with respect to the working axis.
  • stator has a stator frame made of a soft magnetic material which surrounds the stator coil and extends in a circumferential direction with respect to the working axis.
  • working piston has a piston frame made of a soft magnetic material which surrounds the piston coil and extends in a circumferential direction with respect to the working axis.
  • the stator frame and / or the piston frame preferably consists of a metal or an alloy.
  • the stator frame and / or the piston frame consists of a steel, for example a steel with an iron content of at least 95% and / or with a silicon content of between 1% and 3%.
  • a soft magnetic material in the context of the invention is to be understood as a material which has a high magnetic saturation flux density and in particular a small coercive field strength and thus strengthens a magnetic field penetrating the material.
  • the soft magnetic material of the stator frame and / or the piston frame has a saturation flux density of at least 1.0 T, preferably at least 1.3 T, particularly preferably at least 1.5 T.
  • An electrically conductive material in the context of the invention is to be understood as a material which has a high specific electrical conductivity, so that a magnetic field penetrating the material generates eddy currents in the material.
  • a soft magnetic and / or electrically conductive material preferably consists of a ferromagnetic material, particularly preferably a ferromagnetic metal, for example iron, cobalt, nickel, or an alloy with one or more ferromagnetic metals as the main component.
  • An advantageous embodiment is characterized in that the tool is designed as a setting tool for driving fastening elements into a substrate, having a receptacle which is provided for receiving a fastening element, the working piston being provided for a fastening element received in the receptacle along the To convey the working axis into the ground, and wherein the drive is provided to drive the working piston along the working axis onto the fastening element.
  • the tool is designed as a setting tool for driving fastening elements into a substrate, having a receptacle which is provided for receiving a fastening element, the working piston being provided for a fastening element received in the receptacle along the To convey the working axis into the ground, and wherein the drive is provided to drive the working piston along the working axis onto the fastening element.
  • FIG. 4 shows a plot of a driving force over time
  • FIG. 5 shows a plot of a driving force over a path of a working piston.
  • a tool 10 for processing a substrate is shown in a longitudinal section, which as a hand-held setting device for driving
  • the work device 10 has a receptacle 20 designed as a bolt guide, in which a fastening element 30 designed as a nail is received in order to move along a working axis A into the
  • the working device 10 comprises a magazine 40 in which the fastening elements are received individually or in the form of a fastening element strip 50 in a magazine and are gradually transported into the receptacle 20.
  • the magazine 40 has a spring-loaded feed element which is not designated in any more detail.
  • the working device 10 has a working piston 60 which comprises a piston plate 70 and a piston rod 80.
  • the working piston 60 is provided for that
  • the working piston 60 with its piston plate 70 is guided in a guide cylinder 95 along the working axis A.
  • the working piston is guided along the working axis by two, three or more guide elements, for example guide rods.
  • the working piston 60 is in turn driven by a drive 65 which comprises a switching circuit 200 and a capacitor 300.
  • the circuit 200 is provided to bring about a rapid electrical discharge of the previously charged capacitor 300 and to feed the discharge current flowing in the process to the drive 65.
  • the working device 10 further comprises a housing 110 in which the drive 65 is accommodated, a handle 120 with an actuating element 130 designed as a trigger, an electrical energy store 140 designed as an accumulator, a Control unit 150, a trigger switch 160, a pressure switch 170, a temperature sensor 180 arranged on the drive 65 and electrical connecting lines 141, 161, 171, 181, 201, 301, which connect the control unit 150 to the electrical energy store 140, the release switch 160, the pressure switch 170, the temperature sensor 180, the circuit 200 and the capacitor 300, respectively.
  • the working device 10 is supplied with electrical energy by means of a power cable instead of the electrical energy store 140 or in addition to the electrical energy store 140.
  • the control unit comprises electronic components, preferably interconnected on a circuit board to form one or more control circuits, in particular one or more microprocessors.
  • the control unit 150 When the working device 10 is pressed against a substrate (not shown) (to the left in FIG. 1), a pressing element (not shown) actuates the pressing switch 170, which thereby transmits a pressing signal to the control unit 150 by means of the connecting line 171. Triggered by this, the control unit 150 initiates a capacitor charging process in which electrical energy is conducted by means of the connecting line 141 from the electrical energy store 140 to the control unit 150 and by means of the connecting lines 301 from the control unit 150 to the capacitor 300 to electrically connect the capacitor 300 to charge.
  • the control unit 150 comprises a switching converter, not shown in more detail, which converts the electrical current from the electrical energy store 140 into a suitable charging current for the capacitor 300.
  • the working device 10 When the capacitor 300 is charged and the working piston 60 is in its ready-to-position position shown in FIG. 1, the working device 10 is in a ready-to-position state. Since the charging of the capacitor 300 is only brought about by the pressing of the working device 10 against the ground, a setting process is only possible to increase the safety of bystanders if the working device 10 is pressed against the ground. In the exemplary embodiments not shown, the control unit initiates the capacitor charging process as soon as the implement is switched on or when the implement is lifted from the ground or when a previous driving process is terminated.
  • the actuating element 130 When the actuating element 130 is actuated when the implement 10 is ready to be set, for example by pulling with the index finger of the hand that grips the handle 120, the actuating element 130 actuates the trigger switch 160, which thereby transmits a trigger signal to the control unit 150 via the connecting line 161. Triggered by this, the control unit 150 initiates a capacitor discharge process, in which the electrical energy stored in the capacitor 300 is carried out by means of the circuit 200 from FIG the capacitor 300 is conducted to the drive 65 in that the capacitor 300 is electrically discharged.
  • the circuit 200 shown schematically in FIG. 1 comprises two discharge lines 210, 220, which connect the capacitor 300 to the drive 65 and of which at least one discharge line 210 is interrupted by a normally open discharge switch 230.
  • the circuit 200 forms an electrical oscillating circuit with the drive 65 and the capacitor 300 under certain circumstances. Oscillation of this resonant circuit and / or negative charging of the capacitor 300 may have a negative effect on the efficiency of the drive 65, but can be prevented with the aid of a freewheeling diode 240.
  • the discharge lines 210, 220 are electrically connected to an electrode 310, 320 of the capacitor 300 arranged on a carrier film 330 by means of electrical contacts 370, 380 of the capacitor 300 arranged on an end face 360 of the capacitor 300 facing the receptacle 20, for example by soldering, welding , Screwing, clamping or form fit.
  • the discharge switch 230 is preferably suitable for switching a discharge current with a high current intensity and is designed, for example, as a thyristor.
  • the discharge lines 210, 220 are at a small distance from one another so that a parasitic magnetic field induced by them is as small as possible.
  • the discharge lines 210, 220 are combined to form a bus bar and are held together with a suitable means, for example a holder or a clamp.
  • a suitable means for example a holder or a clamp.
  • the freewheeling diode is connected electrically in parallel with the discharge switch.
  • no freewheeling diode is provided in the circuit.
  • the control unit 150 closes the discharge switch 230 by means of the connecting line 201, whereby a high-intensity discharge current of the capacitor 300 flows through the drive 65, which drives the working piston 60 towards the receptacle 20 and the fastening element 30 received therein.
  • the piston rod 80 of the working piston 60 hits a head of the fastening element 30, which is not designated in any more detail, the fastening element 30 is driven into the ground by the working piston 60.
  • a braking element 85 made of a resilient and / or damping material, for example rubber or an elastomer, in that the working piston 60 moves with its piston plate 70 against the braking element 85 and is braked by it to a standstill . After that the working piston 60 is returned to the ready-to-set position by an unspecified reset device.
  • a drive / working piston unit 400 of an implement for example the implement 10 shown in FIG. 1, is shown.
  • the drive / working piston unit 400 is shown cut open along a working axis 401 and comprises a partially shown drive 410, a working piston 420 and a stator 430.
  • the working piston 420 has a piston plate 421 and a piston rod 422 and is intended to be relatively to move the stator 430 along the working axis 401.
  • the drive 410 is provided to drive the working piston 420 along the working axis 401.
  • the drive 410 comprises a piston coil capacitor (not shown) and a piston coil 440 arranged on the working piston 420.
  • the piston coil 440 can be electrically connected to the piston coil capacitor so that current flows through it in the event of a rapid discharge of the piston coil capacitor and to generate a magnetic field which causes a repulsive force between the piston coil 440 and the stator 430 and accelerates the working piston 420 relative to the stator 430 .
  • the repulsive force between the piston coil 440 and the stator 430 is caused, for example, by the fact that the magnetic field generated by the piston coil 440 penetrates the stator 430 and induces an electric current in the stator 430, which in turn generates a magnetic field similar to that of the piston coil 440 generated magnetic field is opposite.
  • the stator 430 consists of an electrically conductive material, such as copper, iron or an alloy thereof, which surrounds the working axis in a ring.
  • the stator has a frame and a ring conductor which is arranged on the frame and preferably fastened to the frame and has high electrical conductivity and which surrounds the working axis in an annular manner.
  • the drive 410 comprises a stator coil capacitor (not shown) and a stator coil 450 arranged on the working piston 420.
  • the stator coil 450 can be electrically connected to the stator coil capacitor in order to have a current flowing through it in the event of a rapid discharge of the stator coil capacitor and to generate a magnetic field which is repulsive Force caused between the stator coil 450 and the working piston 420 and accelerating the working piston 420 away from the stator 430.
  • the repulsive force between the stator coil 450 and the working piston is brought about, for example, in that the magnetic field generated by the stator coil 450 is opposite to the magnetic field generated by the piston coil 440.
  • the piston coil 440 and the stator coil 450 are preferably in opposite directions and overlapping in time, in particular charged with electrical current at the same time, in that the piston coil capacitor and the stator coil capacitor are discharged in accordance with one another in a timed manner, for example controlled by a control unit, not shown.
  • the piston coil 440 and the stator coil 450 each have a piston coil axis and a stator coil axis, which coincide with the working axis 401 and are thus oriented parallel to one another. In order to return the working piston 420 to the starting position shown in FIG.
  • the piston coil 440 and the stator coil 450 are preferably applied in the same direction and overlapping in time, in particular at the same time, with electrical current, so that the magnetic field generated by the stator coil 450 and that of the piston coil 440 generated magnetic field are rectified. This causes an attractive force between the stator coil 450 and the working piston 420 and accelerates the working piston 420 onto the stator 430.
  • a drive 510 of a work device for example the work device 10 shown in FIG. 1, is shown.
  • the drive 510 is shown cut open along a working axis 501 and is provided for driving a working piston 520 with a piston plate 521 and a piston rod 522 along the working axis 501 and moving it relative to a stator 530.
  • the drive 510 comprises a capacitor 560, a circuit 570 with a switch 571, a piston coil 540 arranged on the working piston 520 and a stator coil 550 arranged on the stator 530.
  • the piston coil 540 can be electrically connected to the capacitor 560 in order to prevent the To be flowed through capacitor 560 with current, so that the capacitor 560 is a piston coil capacitor.
  • a current flow through the piston coil 540 generates a first magnetic field.
  • the stator coil 550 can also be electrically connected to the capacitor 560 in order to have a current flowing through it in the event of a rapid discharge of the capacitor 560, so that the capacitor 560 also represents a stator coil capacitor.
  • a current flow through the stator coil 550 generates a second magnetic field.
  • One electrode of the capacitor 560 is electrically connected to an input of the switch 571 and can be charged with respect to a counter electrode of the capacitor 560, which is electrically connected to a first ground potential 572, for example the negative pole of an electrical accumulator or a battery.
  • An output of the switch 571 is electrically connected to an input of the stator coil 550 on an inside of the stator coil 550, preferably hard-wired.
  • An output of the stator coil 550 on an outer side of the stator coil 550 is provided with a first one embodied as a contact brush electrical stator contact 531, which the stator 530 has, electrically connected, preferably hard-wired.
  • An input of the piston coil 540 on an outer side of the piston coil 540 is electrically connected, preferably permanently wired, to a first piston contact 541 designed as a contact rail and which the working piston 520 has.
  • the first piston contact 541 slides in an electrically conductive manner along the first stator contact 531 when the working piston 520 moves along the working axis 501.
  • a first spring loads the first stator contact 531 towards the first piston contact 541.
  • a spring additionally or alternatively loads the first piston contact towards the first stator contact.
  • An output of the piston coil 540 on an inner side of the piston coil 540 is electrically connected, preferably permanently wired, to a second piston contact 542 designed as a contact rail and which the working piston 520 has.
  • the second piston contact 542 slides in an electrically conductive manner along a second stator contact 532 when the working piston 520 moves along the working axis 501.
  • the stator 530 has the second stator contact 532, which is designed as a contact brush and is electrically connected to a second ground potential 573, which is preferably identical to the first ground potential 572.
  • a second spring not shown, loads the second stator contact 532 towards the second piston contact 542. In the exemplary embodiments not shown, a spring additionally or alternatively loads the second piston contact towards the second stator contact.
  • the piston contacts 541, 542 do not necessarily contact the stator contacts 531, 532 during the entire movement of the working piston. In some applications, contacting during the first 0.5 ms to 1 ms, in particular during the first 0.6 ms, is sufficient.
  • the piston contacts 541, 542 have a length in the direction of the working axis 501, which for some areas of application is approximately 10 mm to 30 mm.
  • the piston contacts 541, 542 are rigidly connected to the rest of the working piston 520 and move with the rest of the working piston 520.
  • the first and / or the second stator contact is designed as a slip ring.
  • the first and / or the second stator contact is designed as a contact bar and the first or the second piston contact is designed as a contact brush or slip ring.
  • the second piston contact 542 and the second stator contact 532 are arranged radially inside the stator coil 550 and the piston coil 540 with respect to the working axis 501.
  • the first piston contact and the first stator contact are additionally or alternatively arranged radially inside the stator coil and / or the piston coil.
  • the rapid discharge of the capacitor 560 via the piston coil 540 and the stator coil 550 can be triggered by means of the circuit 570 in that the switch 571 is closed when the capacitor 560 is electrically charged and the piston coil 540 and the stator coil 550 are electrically connected to the capacitor 560.
  • the electrical current then flows from the capacitor 560 through the switch 571, from the inside to the outside through the stator coil 550, through the first stator contact 531 and the first piston contact 541, from the outside to the inside through the piston coil 540 and finally through the second piston contact 542 and 541 the second stator contact 532 to the second ground potential 573.
  • the piston coil 540 and the stator coil 550 each have a piston coil axis and a stator coil axis, which coincide with the working axis 501 and are thus oriented parallel to one another.
  • the piston coil 540 and the stator coil 550 are wound in the same direction and the electric current flows through them in opposite directions, so that the first magnetic field and the second magnetic field are opposite to one another.
  • the coils are wound in opposite directions and the electric current flows through them in the same direction. This causes a repulsive force between the stator coil 550 and the piston coil 540 and thus between the stator 530 and the working piston 520, so that the working piston 520 is accelerated relative to the stator 530.
  • the piston coil 540 and the stator coil 550 are electrically connected in series with one another, that is to say that electrical current flows through them at the same time, a current strength of the current flowing through the coils 540, 550 being the same for the piston coil 540 and the stator coil 550.
  • the piston coil 540 and the stator coil 550 preferably have the same number of coil turns, so that the magnetic fields generated by the coils 540, 550 are equally strong.
  • the working piston 520 has a piston frame 525, which preferably consists of a soft magnetic material, such as iron or an alloy thereof, for example steel.
  • the piston frame 525 surrounds the piston coil 540 and extends in a circumferential direction with respect to the working axis 501.
  • the piston plate 521 is preferably made of the soft magnetic material and particularly preferably forms the piston frame.
  • the piston rod 522 also preferably consists of the soft magnetic material and is particularly preferably connected in one piece to the piston head 521, which may increase the rigidity and / or mechanical robustness of the working piston 520.
  • the stator 530 has a Stator frame 535, which preferably consists of a soft magnetic material, such as iron or an alloy thereof, for example steel.
  • the stator frame 535 surrounds the stator coil 550 and extends in a circumferential direction with respect to the working axis 501. As a result, the second magnetic field generated by the stator coil 550 is strengthened in the area of the piston coil 540 and the repulsive force between the stator 530 and the working piston 520 is increased.
  • a force profile 610 corresponds to a drive with a piston coil arranged on the working piston, which generates a magnetic field which induces a magnetic field in opposite directions in a stator or a preferably short-circuited stator coil.
  • a force is transmitted in a relatively short time. In order to still achieve a desired speed of the working piston, a relatively large maximum force must be transmitted.
  • a force profile 620 corresponds to a drive with a piston coil arranged on the working piston, which generates a first magnetic field, and a stator coil arranged on a stator, which generates a second magnetic field in the opposite direction to the first magnetic field.
  • a force is transmitted for a relatively long time.
  • a relatively small maximum force is sufficient to achieve the desired speed of the working piston.
  • An area under the curve of the force profile 610, 620 is a measure for an impulse of the working piston. With the same momentum and thus, assuming the same piston mass, the same speed of the working piston, i.e. also with the same kinetic energy of the working piston, the area under both curves is the same.
  • a smaller maximum force has the advantage that the load on the drive and on an implement having the drive is reduced.
  • a force profile 710 corresponds to a drive with a piston coil which is arranged on the working piston and which generates a magnetic field which induces a magnetic field in opposite directions in a stator.
  • a force is transmitted over a relatively short distance. In order to still achieve the desired kinetic energy of the working piston, a relatively large maximum force has to be transmitted.
  • a force profile 720 corresponds to a drive with a piston coil arranged on the working piston, which generates a first magnetic field, and a stator coil arranged on a stator, which generates a second magnetic field in the opposite direction to the first magnetic field.
  • a force is transmitted over a relatively long distance.
  • a relatively small maximum force is sufficient to achieve the desired kinetic energy of the working piston.
  • An area under the curve of the force profile 710, 720 is a measure of the kinetic energy of the Working piston. With the same kinetic energy of the working piston, the area under both curves is the same.
  • a smaller maximum force has the advantage that the load on the drive and on an implement having the drive is reduced.
  • a maximum current strength is reduced, so that under certain circumstances cheaper electronic components can be used for interconnecting the coils.
  • electromagnetic exposure to a user of the work device is reduced, so that light and / or inexpensive shielding may be sufficient under certain circumstances.
  • the efficiency of the drive with a piston coil and a stator coil may be higher than that of the drive with only one coil, so that any waste heat to be dissipated is also reduced.

Abstract

L'invention concerne un outil de travail pour le travail d'une surface sous-jacente, en particulier un outil de travail à main, en particulier un outil de pose pour enfoncer des éléments de fixation dans la surface sous-jacente, comprenant un stator et un piston de travail, qui est conçu pour se déplacer par rapport au stator le long d'un axe de travail et pour frapper la surface sous-jacente ou un élément de fixation afin d'enfoncer l'élément de fixation dans la surface sous-jacente et comprenant en outre un entraînement qui est conçu pour entraîner le piston de travail sur la surface sous-jacente le long de l'axe de travail. L'entraînement comprend un condensateur de bobine de piston et une bobine de piston, qui est disposée sur le piston de travail et la bobine de piston peut être connectée électriquement au condensateur de bobine de piston de telle sorte qu'un courant circule à travers la bobine de piston en cas de décharge rapide du condensateur de bobine de piston et de telle sorte qu'un champ magnétique soit généré, lequel accélère le piston de travail par rapport au stator et pousse le stator pour l'éloigner en particulier.
EP20819803.6A 2019-12-20 2020-12-10 Outil de travail Pending EP4076853A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19218886.0A EP3838490A1 (fr) 2019-12-20 2019-12-20 Appareil de travail
PCT/EP2020/085536 WO2021122313A1 (fr) 2019-12-20 2020-12-10 Outil de travail

Publications (1)

Publication Number Publication Date
EP4076853A1 true EP4076853A1 (fr) 2022-10-26

Family

ID=69005340

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19218886.0A Withdrawn EP3838490A1 (fr) 2019-12-20 2019-12-20 Appareil de travail
EP20819803.6A Pending EP4076853A1 (fr) 2019-12-20 2020-12-10 Outil de travail

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19218886.0A Withdrawn EP3838490A1 (fr) 2019-12-20 2019-12-20 Appareil de travail

Country Status (6)

Country Link
US (1) US20230012189A1 (fr)
EP (2) EP3838490A1 (fr)
JP (1) JP2023507720A (fr)
CN (1) CN114786876A (fr)
AU (1) AU2020405869A1 (fr)
WO (1) WO2021122313A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760381A1 (fr) * 2019-07-04 2021-01-06 Hilti Aktiengesellschaft Appareil de travail
WO2023285307A1 (fr) 2021-07-10 2023-01-19 Rhefor Gbr Outil de pose
CA3230322A1 (fr) * 2021-09-08 2023-03-16 Illinois Tool Works Inc. Dispositif d'alimentation de bobine pour outils electroportatifs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1324861A1 (fr) 2000-08-25 2003-07-09 Senco Products, Inc Dispositif a chocs
EP3535837A1 (fr) 2016-12-06 2019-09-11 Hilti Aktiengesellschaft Entraînement électrodynamique
WO2019211264A1 (fr) * 2018-05-01 2019-11-07 Rhefor Gbr Cloueuse manuelle et entraînement
EP3578309A1 (fr) * 2018-06-06 2019-12-11 HILTI Aktiengesellschaft Appareil de pose

Also Published As

Publication number Publication date
CN114786876A (zh) 2022-07-22
US20230012189A1 (en) 2023-01-12
JP2023507720A (ja) 2023-02-27
EP3838490A1 (fr) 2021-06-23
AU2020405869A1 (en) 2022-06-23
WO2021122313A1 (fr) 2021-06-24

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