EP4000809A1 - Machine artisanale dotée d'une unité d'activation - Google Patents

Machine artisanale dotée d'une unité d'activation Download PDF

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Publication number
EP4000809A1
EP4000809A1 EP21206133.7A EP21206133A EP4000809A1 EP 4000809 A1 EP4000809 A1 EP 4000809A1 EP 21206133 A EP21206133 A EP 21206133A EP 4000809 A1 EP4000809 A1 EP 4000809A1
Authority
EP
European Patent Office
Prior art keywords
tool holder
drive motor
hand
tool
motor
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
EP21206133.7A
Other languages
German (de)
English (en)
Inventor
Han Hoong Sebastian Chin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP4000809A1 publication Critical patent/EP4000809A1/fr
Pending legal-status Critical Current

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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
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers

Definitions

  • the present invention relates to a hand-held power tool, in particular a screwdriver, with an elongate housing in which a drive unit with at least one drive motor for driving a tool holder is arranged, the tool holder being designed for receiving an insert tool, and with an activation unit for activating the drive motor, the drive motor being activated when an insert tool arranged in the tool holder is acted upon against a workpiece to be machined, in particular along a longitudinal axis of the hand-held power tool.
  • Such a handheld power tool designed as a straight screwdriver is known from the prior art.
  • the straight screwdriver has a drive motor in the housing for driving an associated tool holder.
  • the drive motor or a switching element assigned to the drive motor is activated by the application of a tool arranged in the tool holder against a workpiece to be machined.
  • the switching element is arranged in the area of the drive motor and in order to activate the drive motor, the complete drive unit has to be moved along the longitudinal axis of the hand-held power tool.
  • the invention relates to a hand tool, in particular a screwdriver, with an elongated housing in which a drive unit with at least a drive motor for driving a tool holder, with the tool holder being designed to hold an insert tool, and with an activation unit for activating the drive motor, whereby a tool insert arranged in the tool holder is acted upon against a workpiece to be machined, in particular along a longitudinal axis of the hand-held power tool , the drive motor is activated.
  • the activation unit has a motor switch arranged in the area of the tool holder, and an actuating element arranged on the outer circumference of the tool holder for actuating the motor switch, the tool holder having an inner holder facing the drive motor for receiving a spring element assigned to the activation unit, which activates the actuating element by acting on the tool holder Disabling the drive motor applied in a direction pointing away from the drive motor.
  • the invention thus makes it possible to provide a hand-held power tool in which a compact activation unit can be provided by arranging the spring element assigned to the activation unit in the interior receptacle of the tool holder.
  • the spring element can preferably be compressed by acting on the tool holder in the direction of the drive motor, in order to enable the motor switch to be released or actuated by the actuating element and thus the drive motor to be activated.
  • the tool holder preferably has a torque coupling on its outer circumference in the area of the inner holder.
  • a handheld power tool with a torque clutch can thus be provided easily and in an uncomplicated manner.
  • the torque coupling has an adjustment sleeve for adjusting a predefinable torque and a spring retaining ring on, wherein the adjusting sleeve is connected directly to the spring retaining ring via a tooth system.
  • a space-reduced arrangement of the torque clutch can thus be made possible.
  • the tool holder preferably has a support element on its outer circumference, with the actuating element bearing against the support element and being secured axially by means of a securing element.
  • a secure and robust arrangement of the actuating element on the outer circumference of the tool holder can thus be made possible.
  • the drive unit preferably has a gear, in particular a planetary gear, and the gear is arranged in a gear housing, with an end face of the gear housing facing the tool holder serving as an axial contact surface of the actuating element when the drive motor is deactivated.
  • a stable and reliable arrangement of the actuating element in the hand-held power tool can thus be made possible in a simple manner.
  • the transmission has an output element, with the output element engaging in the interior receptacle of the tool holder.
  • a secure and uncomplicated arrangement of the spring element on the driven element in the interior can thus be made possible.
  • the tool holder is preferably designed to be axially displaceable relative to the output element.
  • Activation and deactivation of the drive motor can thus be made possible in a simple manner by displacing the tool holder relative to the drive motor.
  • the output element has an interior receptacle for receiving the spring element, with the spring element being arranged between the output element, in particular the interior receptacle, and the tool receptacle, in particular the interior receptacle.
  • a secure arrangement of the spring element can thus be made possible, through which a compact drive unit can be provided.
  • the gear preferably has at least one bearing element for the rotatable mounting of the tool holder, the bearing element being arranged between the tool holder and the gear housing.
  • the activation unit has a printed circuit board, which is arranged in the elongated housing in the area of an end face of the elongated housing, the motor switch being arranged on the printed circuit board and being designed as a motor cut-off switch, and the spring element deactivating the actuating element by acting on the tool holder of the drive motor against the motor cut-off switch.
  • the motor switch is arranged on an end face of the transmission housing which faces a first axial end of the housing.
  • the motor switch is preferably designed as a motor switch, with the spring element acting on the actuating element in a direction pointing away from the motor switch by loading the tool holder to deactivate the drive motor.
  • a permanent deactivation of the handheld power tool can be made possible in a simple and uncomplicated manner by not actuating the motor switch, which can be terminated in a simple manner by actuating the tool holder and thus actuating the actuating element against the motor switch.
  • FIG. 1 12 shows an exemplary handheld power tool 100, which illustratively has an elongate housing 110.
  • the hand-held power tool 100 is thus configured, for example, in the so-called “bar shape”.
  • the hand-held power tool 100 is preferably designed as a screwdriver, in particular as a rod screwdriver. According to one specific embodiment, the hand-held power tool 100 can be mechanically and electrically connected to an energy supply unit 150 for mains-independent power supply.
  • the energy supply unit 150 is preferably designed as a battery pack.
  • At least one drive motor 140 for driving a tool holder 120 is preferably arranged in the elongate housing 110 .
  • the tool holder 120 is preferably assigned an inner holder 125 for accommodating an insertion tool 190, e.g. a screwdriver bit or a drill.
  • the elongate housing 110 preferably has a cylindrical base body with a first axial end 101 and an opposite second axial end 102, with the tool holder 120 being arranged in the region of the first axial end 101, for example.
  • a longitudinal direction 105 of the elongate housing 110 trained between the first and second axial ends 101, 102 is a longitudinal direction 105 of the elongate housing 110 trained.
  • a rotation axis 129 is preferably assigned to the tool holder 120 .
  • the elongate housing 110 has a circumferential direction 106 .
  • the tool holder 120, the drive motor 140, and the housing 110 with a handle portion 115 and a cover 117 along a common axis of rotation, preferably the axis of rotation 129 of the tool holder 120, are arranged. All elements of hand-held power tool 100 are preferably arranged in elongated housing 110 .
  • Battery pack 150 is also preferably also arranged in housing 110 in hand-held power tool 100 in comparison to a hand-held power tool with a pistol-shaped housing, in which the battery pack is arranged perpendicularly to the drive motor, which is sufficiently known from the prior art.
  • a sliding switch 170 is preferably provided, which is arranged on the housing 110 for activating a reverse operation of the drive motor 140 .
  • the housing 110 also preferably has a torque adjustment sleeve 130 at its axial end 101 .
  • the cover 117 is preferably arranged on the axial end 102 of the elongate housing 110 facing away from the tool holder 120 .
  • an activation unit 189 is provided for activating the drive motor 140 by loading the tool holder 120 or the insert tool 190 arranged or accommodated in the tool holder 120 against a workpiece to be machined.
  • a corresponding axial loading of the tool holder 120 or the insert tool 190 and thus the tool holder 120, ie loading in the axial direction, preferably takes place in the longitudinal direction 105 against the workpiece to be machined.
  • the drive motor 140 is preferably activated, in particular axially, by applying at least 0.1 Nm to the tool holder 120.
  • the term “axial” or “in the axial direction” means a direction in the longitudinal direction 105 of the housing 110, in a direction coaxial or parallel to the axis of rotation 129 of the tool holder 120 to understand.
  • the activation unit 189 is preferably arranged along a longitudinal axis 128 between the drive motor 140 and the first axial end 101 of the housing 110 or an end face 103 of the housing 110 .
  • Longitudinal axis 128 corresponds illustratively to rotational axis 129.
  • drive motor 140 is preferably activated by moving tool holder 120 along longitudinal axis 128 of hand-held power tool 100.
  • activation unit 189 has a motor switch 185 arranged in the region of tool holder 120.
  • the motor switch 185 which is preferably designed as a motor cut-off switch 200 , is preferably arranged on or in the area of the end face 103 of the housing 110 .
  • the tool holder 120 is preferably an actuating element (230 in 2 ) assigned to operate the engine switch 185.
  • the motor cut-off switch 200 is preferably arranged between the drive motor 140 and the end face 103 .
  • the motor switch 185 or the motor off switch 200 is preferably assigned to the activation unit 189 .
  • the actuating element (230 in 2 ) is acted upon by a spring element 180 in a direction 199 pointing away from the drive motor 140 against the motor switch 200, as a result of which the drive motor 140 is deactivated.
  • the spring element 180 can preferably be compressed by loading the tool holder 120 in the direction of the drive motor 140 , ie in a direction 198 pointing towards the drive motor 140 .
  • the motor cut-off switch 200 is released by the actuating element (230 in 2 ) and thus activation of the drive motor 140.
  • the actuating element (230 in 2 ) preferably spaced from motor stop switch 200 and drive motor 140 is activated.
  • the drive unit 220 shows the handheld power tool 100 from FIG 1 with its drive unit 220.
  • the drive unit 220 has at least the drive motor 140.
  • the drive unit 220 is assigned a transmission 210 .
  • Gear 210 is preferably designed as a planetary gear.
  • the arrangement of the spring element 180 between the gear 210 and the tool holder 120 is in an inner holder (520 in figure 5 ) of the tool holder 120 is arranged.
  • the spring element 180 is preferably designed as a spiral spring.
  • the activation unit 189 is illustratively arranged between the application tool 190 and the tool holder 120 .
  • the activation unit 189 has a circuit board 240 on which the engine switch 200 is arranged.
  • the activation unit 189 is assigned an actuating element 230 for actuating the engine switch 185 or the engine switch-off switch 200 .
  • Actuator 230 is preferably formed on an outer circumference (582 in figure 5 ) of the tool holder 120 is arranged.
  • the printed circuit board 240 is preferably attached to the housing 110 and is preferably arranged in the area of the end face 103 of the elongate housing 110 .
  • the circuit board 240 is preferably connected to control electronics 250 for controlling the drive motor 140 .
  • the control electronics 250 are preferably arranged at a distance from the printed circuit board 240 .
  • the electronic control system 250 is preferably arranged in the area of a side of the drive motor 140 that faces the second axial end 102 of the housing 110 .
  • FIG 3 shows the handheld power tool 100 from FIG 2 with its drive unit 220, the printed circuit board 240 being associated with LEDs 310 by way of illustration.
  • the LEDs 310 are preferably provided to provide lighting for the work area.
  • the LEDs 310 are arranged, for example, on a side of the circuit board 240 facing the end face 103 of the housing 110 .
  • the printed circuit board 240 is preferably assigned at least one sensor 410.
  • the at least one sensor 410 is preferably designed to measure distance, speed and/or torque.
  • the at least one sensor 410 is preferably arranged on a side of the printed circuit board 240 that faces the end face 103 of the housing 110 . It is pointed out that the printed circuit board 240 can alternatively also simultaneously carry the LEDs 310 of 3 and the at least one sensor 410 may include.
  • FIG. 5 shows the tool holder 120 of the hand-held power tool from FIG Figures 1 to 4 with the activation unit 189.
  • the tool holder 120 illustratively has a cylindrical base body with the inner holder 125 for receiving the insertion tool 190 of Figures 1 to 4 on.
  • the tool holder 120 has an outer circumference 582 for arranging the actuating element 230 .
  • the tool holder 120 preferably has a support element 580 on its outer circumference 582 .
  • the support element 580 is preferably designed as a circumferential collar, but can also be designed only in sections, for example as a web, on the outer circumference 582.
  • the support element 580 is preferably formed in one piece with the tool holder 120 .
  • the support element 580 is preferably designed to support the actuating element 230 in the longitudinal direction 105 .
  • the actuating element 230 preferably has a disc-shaped base body with an interior receptacle 512, through which the actuating element 230 can be arranged on the outer circumference 582 of the tool receptacle 120.
  • the actuating element 230 is positively connected to the tool holder 120.
  • the actuating element 230 is secured in the longitudinal direction 105 or toward the first axial end 101 with a securing element 505 on the tool holder 120.
  • the securing element 505 is preferably designed as a securing ring.
  • the actuating element 230 rests against the support element 580 and is secured axially by means of the securing element 505 .
  • the securing element 505 is arranged in a positioning groove 585 which is formed on the outer circumference 582 of the tool holder 120 .
  • the actuating element 230 preferably has at least one, illustratively two, actuating sections 510 formed radially outwards on its outer circumference.
  • the actuating sections 510 are preferably arranged diametrically opposite one another.
  • the actuating sections 510 are designed in the manner of webs.
  • the actuating element 230, in particular the actuating sections 510, are preferably designed to actuate the motor switch 185 or the motor cut-off switch 200.
  • the printed circuit board 240 is preferably arranged in the housing 110, in particular in the torque setting sleeve 130, via a holding element 560.
  • the holding element 560 preferably has a disc-shaped base body with a recess 562.
  • the recess 562 is formed such that the engine stop switch 200 can be placed therein as shown in FIG 6 shown.
  • the printed circuit board 240 is preferably fixed to the holding element 560 via screw elements 565 .
  • the tool holder 120 has the drive motor 140 at its end Figures 1 to 4 facing side preferably has an interior receptacle 520 for receiving the spring element 180 .
  • the transmission 210 preferably has an output element 550 , the output element 550 engaging in the inner receptacle 520 of the tool receptacle 120 .
  • the tool holder 120 is preferably designed to be axially displaceable relative to the output element 550 . It is pointed out that preferably the drive unit 220 of FIG Figures 2 to 4 is arranged axially fixed in the housing 110 and only the tool holder 120 is axially displaceable. As a result, a mechanical clutch can be used.
  • the output element 550 preferably has an internal receptacle 555 for receiving the spring element 180 in sections.
  • the spring element 180 is arranged between the output element 550, in particular the inner receptacle 555, and the tool receptacle 120, in particular the inner receptacle 520.
  • the inner receptacle 555 of the output element 550 preferably has a central positioning pin 556 which is designed to center the spring element 180 in the inner receptacle 520 .
  • a single spring element 180 is preferably provided. However, several spring elements 180 arranged in a row can also be arranged in the inner receptacle 520 of the tool holder 120 .
  • Transmission 210 preferably has at least one bearing element 530 for the rotatable mounting of tool holder 120.
  • the bearing element 530 is preferably located between the tool holder 120 and a gear housing (610, 620 in 6 ) arranged.
  • the bearing element 530 is preferably designed as a bearing bush and/or slide bearing.
  • FIG. 6 shows the drive unit 220 of the handheld power tool from FIG Figures 1 to 5 .
  • the gear housing 610, 620 preferably has a housing part 610 arranged facing the tool holder 120 and a housing part 620 facing the drive motor 140.
  • an end face 690 of gear housing 610, 620, in particular of housing part 610, that faces tool receptacle 120 serves as an axial contact surface of actuating element 230 when drive motor 140 is deactivated.
  • a torque coupling (890 in 8 ) which has a torque adjustment device 650 .
  • the torque setting device 650 has the torque setting sleeve 130 for setting a predefinable torque and a spring retaining ring 630 .
  • the torque setting sleeve 130 is preferably connected directly to the spring retaining ring 630 via teeth 632, 642.
  • the torque setting sleeve 130 preferably has an internal thread 642 on its inner circumference and the spring retaining ring 630 has an external thread 632 on its outer circumference for forming the teeth 632, 642.
  • a distance 660 is preferably formed between the actuating element 230 or the actuating section 510 and the motor switch 185 or the motor cut-off switch 200 .
  • the distance 660 is created by the loading of the tool holder 120, as a result of which the spring element 180 is compressed.
  • the tool holder 120 preferably rests with the support element 580 on the end face 690 of the housing part 610 .
  • the tool holder 120 To activate the drive motor 140, the tool holder 120, or the insert tool 190 arranged in the tool holder 120, is applied against a workpiece to be machined, as a result of which the tool holder 120 is displaced in the direction 198 toward the drive motor 140.
  • the distance 660 is formed between the actuating element 230 or the actuating section 510 and the motor cut-off switch 200 and the drive motor 140 is activated.
  • FIG 7 shows the drive unit 220 of FIG 6 with the activation unit 189.
  • drive motor 140 is deactivated, with actuating element 230 or actuating section 510 preferably being arranged on motor cut-off switch 200, since tool holder 120 is not acted upon, or spring element 180 is not compressed.
  • the tool holder 120 or the support element 580 is spaced from the end face 690 of the housing part 610 .
  • the tool holder 120 To deactivate the drive motor 140, the tool holder 120, or the tool insert 190 arranged in the tool holder 120, is spaced apart from a workpiece to be machined, with the tool holder 120 moving in the direction 199 of the drive motor 140 pointing away 1 moved to its rest position.
  • the actuating element 230 or the actuating section 510 is preferably moved towards the motor switch 200, as a result of which the distance 660 becomes zero and the drive motor 140 is deactivated.
  • the engine stop switch 200 is operated by the operation portion 510 when the operation portion 510 is abutted thereto.
  • FIG. 8 shows the tool holder 120 with the activation unit 189 of FIG Figures 1 to 7 and a torque coupling 890 arranged on the outer circumference 582 of the tool holder 120.
  • the torque coupling 890 is preferably arranged on an end of the tool holder 120 facing the drive motor 140 on the outer circumference 582 of the tool holder 120.
  • the torque coupling 890 is preferably on the outer periphery 582 arranged in the area of the interior shot 520.
  • Torque clutch 890 is preferably designed as a mechanical clutch.
  • a torque clutch 890 of this type is sufficiently known from the prior art, so that a detailed description is dispensed with here in order to keep the description concise.
  • Spring elements 810 are preferably arranged between the spring retaining ring 630 and a transmission element 820 or pressure plate, which is associated with the torque clutch 890 and faces the drive motor 140 . These spring elements 810 are preferably designed as compression springs.
  • the spring elements 810 are preferably assigned the transmission element 820 or pressure plate that is acted upon in the direction of the drive motor 140 .
  • the spring elements 810 or the compression springs are preferably arranged at a uniform distance from one another on the circumferential side.
  • At least two, preferably three and preferably six loading elements 830 are likewise arranged.
  • the application elements 830 are preferably of cylindrical design.
  • the drive motor 140 is analogous to 6 activated by way of example, the distance 660 between the actuating element 230 and the engine switch 200 being formed.
  • FIG 9 shows the tool holder 120 with the activation unit 189 of FIG Figures 1 to 8 and the 890 torque clutch from 7 , wherein the drive motor 140 is deactivated. This is analogous to 7 the actuator 230 on the engine stop switch 200.
  • the motor switch 185 is now designed as a motor switch 1000.
  • the motor switch 1000 is preferably arranged on the end face 690 of the transmission housing, in particular of the first housing part 610 .
  • 11 shows the tool holder 120 with the activation unit 189 of FIG 10 and the 890 torque clutch from 7 .
  • the distance 660 is formed between the motor switch 1000 and the actuating element 230 or the actuating section 510, as a result of which the drive motor 140 is deactivated.
  • the tool holder 120 To deactivate the drive motor 140, the tool holder 120, or the tool insert 190 arranged in the tool holder 120, is spaced from a workpiece to be machined, with the tool holder 120 being displaced in the direction 199 pointing away from the drive motor 140 into its rest position. At this time, the clearance 660 is formed between the operating portion 510 and the motor starter switch 1000 so that the motor starter switch 1000 is not operated, and the drive motor 140 is deactivated.
  • FIG 12 shows the tool holder 120 with the activation unit 189 of FIG 10 and 1 , with activated drive motor 140.
  • the actuating element 230 or the actuating section 510 is in contact with the motor switch 1000 due to the loading of the tool holder 120 and the resulting compression of the spring element 180.
  • the tool holder 120 To activate the drive motor 140, the tool holder 120, or the insert tool 190 arranged in the tool holder 120, is applied against a workpiece to be machined, as a result of which the tool holder 120 is displaced in the direction 198 toward the drive motor 140.
  • the actuating element 230 or the actuating section 510 is preferably moved towards the motor switch 1000, as a result of which the distance 660 is reduced in such a way that the motor switch 1000 is actuated and the drive motor 140 is activated.
  • the motor starter switch 1000 is preferably designed in the manner of a pushbutton switch or button which is pressed by the actuating section 510 .
  • the motor switch 185 in the above-described embodiments is preferably designed as a switching element, in particular as a pressure switch or button.
  • the motor switch 185 and the actuating element 230 can be designed, for example, as contact elements which can be contacted with one another and which, when they are in contact with one another, form an electrical connection to the drive motor 140 or enable the drive motor 140 to be supplied with power.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP21206133.7A 2020-11-16 2021-11-03 Machine artisanale dotée d'une unité d'activation Pending EP4000809A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020214350.1A DE102020214350A1 (de) 2020-11-16 2020-11-16 Handwerkzeugmaschine mit einer Aktivierungseinheit

Publications (1)

Publication Number Publication Date
EP4000809A1 true EP4000809A1 (fr) 2022-05-25

Family

ID=78516579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21206133.7A Pending EP4000809A1 (fr) 2020-11-16 2021-11-03 Machine artisanale dotée d'une unité d'activation

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Country Link
EP (1) EP4000809A1 (fr)
CN (1) CN114505812A (fr)
DE (1) DE102020214350A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4344826A1 (fr) * 2022-09-28 2024-04-03 Robert Bosch GmbH Machine-outil portative dotée d'un accouplement de couple

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369206A1 (fr) * 2001-02-28 2003-12-10 Katsuyuki Totsu Systeme de commutateur et d'entrainement d'un instrument rotatif electrique
EP1775074A1 (fr) * 2004-07-23 2007-04-18 Katsuyuki Totsu Outil rotatif actionne par un moteur sans balai
DE102015204806A1 (de) * 2014-06-06 2015-12-10 Robert Bosch Gmbh Handwerkzeugmaschine
US20190344422A1 (en) * 2016-12-30 2019-11-14 Bosch Power Tools (China) Co., Ltd. Cage Assembly and Electrically Powered Tool Having Cage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007019434B4 (de) 2007-04-25 2023-05-25 Robert Bosch Gmbh Handwerkzeugmaschine, insbesondere Bohr- oder Schraubgerät, mit Mikroschalter
DE102012218272A1 (de) 2012-10-08 2014-04-10 Robert Bosch Gmbh Handwerkzeugmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369206A1 (fr) * 2001-02-28 2003-12-10 Katsuyuki Totsu Systeme de commutateur et d'entrainement d'un instrument rotatif electrique
EP1775074A1 (fr) * 2004-07-23 2007-04-18 Katsuyuki Totsu Outil rotatif actionne par un moteur sans balai
DE102015204806A1 (de) * 2014-06-06 2015-12-10 Robert Bosch Gmbh Handwerkzeugmaschine
US20190344422A1 (en) * 2016-12-30 2019-11-14 Bosch Power Tools (China) Co., Ltd. Cage Assembly and Electrically Powered Tool Having Cage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4344826A1 (fr) * 2022-09-28 2024-04-03 Robert Bosch GmbH Machine-outil portative dotée d'un accouplement de couple

Also Published As

Publication number Publication date
DE102020214350A1 (de) 2022-05-19
CN114505812A (zh) 2022-05-17

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR