EP3792005A1 - Machine-outil portative dotée d'une bride de réducteur - Google Patents

Machine-outil portative dotée d'une bride de réducteur Download PDF

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Publication number
EP3792005A1
EP3792005A1 EP20190833.2A EP20190833A EP3792005A1 EP 3792005 A1 EP3792005 A1 EP 3792005A1 EP 20190833 A EP20190833 A EP 20190833A EP 3792005 A1 EP3792005 A1 EP 3792005A1
Authority
EP
European Patent Office
Prior art keywords
gear
flange
receiving
drive
assigned
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
EP20190833.2A
Other languages
German (de)
English (en)
Other versions
EP3792005B1 (fr
Inventor
Simon Erbele
Christian Lang
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
Priority claimed from DE102020208347.9A external-priority patent/DE102020208347A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3792005A1 publication Critical patent/EP3792005A1/fr
Application granted granted Critical
Publication of EP3792005B1 publication Critical patent/EP3792005B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • 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
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket

Definitions

  • the present invention relates to a hand machine tool with a tool holder and a housing in which at least one gear unit and an electronically commutated drive motor with a stator and a rotor for driving an insert tool that can be arranged in the tool holder are arranged, the gear unit being assigned a drive-side gear flange which the gear unit closes at least in sections.
  • Such a handheld power tool with a housing in which a gear unit and an electronically commutated drive motor are arranged is known from the prior art.
  • the gear unit is assigned a drive-side gear flange which closes the gear unit.
  • the gear flange is arranged at a distance from the drive motor in the axial direction of the gear unit.
  • the present invention relates to a handheld power tool with a tool holder and a housing in which at least one gear unit and an electronically commutated drive motor with a stator and a rotor for driving an insert tool that can be arranged in the tool holder are arranged, the gear unit being assigned a drive-side gear flange, which closes the gear unit at least in sections.
  • the drive-side gear flange has, on its end face facing the stator, a receiving area for receiving at least one motor component assigned to the stator, at least in sections.
  • the invention thus makes it possible to provide a handheld power tool in which a short and compact design of the handheld power tool can be made possible through the receiving area. In this way, an improved mounting of a drive shaft assigned to the drive motor can be made possible in a particularly simple and uncomplicated manner.
  • the term "motor component” is understood to mean a component assigned to the drive unit, in particular the drive motor, and in particular attached to the drive motor, so that e.g. a motor shaft of the drive motor is not to be understood as a motor component in the context of the present invention.
  • the motor component is arranged between the drive motor and the gear unit, in particular a gear flange.
  • the at least one motor component can be designed as a mechanical motor component, e.g. as an anti-rotation web of the drive motor, in particular the stator of the drive motor, as an electromechanical motor component, for example as a motor terminal and / or as an electrical motor component, e.g. as an electronic circuit board, i.e. as a circuit board with electronic components.
  • the receiving area preferably has at least one receiving element in the circumferential direction of the drive-side gear flange for receiving the at least one motor component.
  • webs are provided which are designed to form the at least one receiving element assigned to the receiving area.
  • a robust and stable receiving area can thus be formed.
  • the at least one receiving element assigned to the receiving area is designed as a recess. Thus can easily and the receiving area can be reliably formed.
  • the at least one receiving element is preferably designed to receive the at least one motor component assigned to the stator, at least in sections, preferably to receive motor terminals.
  • the compact design of the handheld power tool can thus be made possible in a simple manner by a nested arrangement of the stator and the gear flange.
  • the term "motor terminal” is understood to mean, for example, an interconnection element for interconnection of a motor winding of the drive motor.
  • the motor terminals are preferably designed as wire elements that are connected to one another via an interconnection unit, e.g. an interconnection plate.
  • the at least one receiving element is preferably designed such that the at least one motor component protrudes beyond bearing elements for mounting the drive-side gear flange in the longitudinal direction of the drive unit or the drive motor. Safe and robust storage can thus be made possible.
  • the drive-side gear flange preferably has at its first axial end a first bearing area for the arrangement of a first bearing element and has a second bearing area, spaced from the first bearing area, for the arrangement of a second bearing element. Simple and reliable storage can thus be made possible.
  • the first storage area has a first outer diameter and the second storage area has a second outer diameter that is larger than the first outer diameter.
  • a storage area can be arranged in the area of the receiving area, whereby the provision of a comparatively short gear flange can be made possible.
  • the gear flange preferably has an interior space for the arrangement of the gear unit, an output-side end face of the receiving area of the gear flange having receptacles, the ring gear of the gear unit in sections in the receptacles in order to form an anti-rotation device is arranged.
  • a rotation lock of the ring gear in the transmission flange can thus be provided in a simple manner.
  • the handheld power tool is preferably designed as a rotary impact wrench with an impact mechanism, the impact mechanism being assigned to the gear unit.
  • the hammer mechanism can be arranged in a simple and uncomplicated manner, at least in sections, in the gear flange.
  • the at least one motor component is a circuit board with electronic components assigned to the drive motor.
  • the compact design of the handheld power tool can thus be made possible by a nested arrangement of the drive motor and the circuit board.
  • the at least one motor component is an anti-rotation web which is assigned to the drive motor and is formed in the longitudinal direction of the drive motor.
  • the gear flange preferably has a recess assigned to the at least one anti-rotation web in order to enable the at least one anti-rotation web to penetrate into the gear flange.
  • a compact arrangement of the motor component and the gear flange can thus be made possible, with the anti-rotation web serving to provide anti-rotation protection for the stator of the drive motor.
  • Fig. 1 shows an exemplary handheld power tool 100 that has a housing 105 with a handle 115.
  • the handheld power tool 100 is mechanical for a mains-independent power supply and electrically connectable to a rechargeable battery pack 190, but can alternatively, for example, also be network-dependent.
  • a drive unit 127 with a first axial end 101 and an opposite second axial end 102 is preferably arranged in the housing 105.
  • the two axial ends 101, 102 define an axial direction of the drive unit 127, which is parallel to a longitudinal extent or a longitudinal direction (208 in Fig. 2 ) of the drive unit 127 runs.
  • the drive unit 127 has at least one gear unit 125 and an electric drive motor 180, which is preferably supplied with power from the battery pack 190.
  • the gear unit 125 is preferably arranged facing the second axial end 102 and the drive motor 180 is arranged facing the first axial end 101.
  • At least one gear 120 is preferably assigned to the gear unit 125.
  • the handheld power tool 100 is designed as a rotary impact wrench with an impact mechanism 150.
  • the striking mechanism 150 is assigned to the gear unit 125.
  • the present invention is not limited to impact wrenches, but can generally be used in various handheld power tools with and without an impact mechanism 150 that have a drive motor and a gear unit, e.g. in cordless drills.
  • the drive motor 180 can be switched on and off via a manual switch 195, for example.
  • the drive motor 180 is preferably designed as an electronically commutated motor 185.
  • a tool holder 140 for receiving an insert tool is assigned to the handheld power tool 100 at the second axial end 102.
  • the drive motor 180 is preferably designed to drive the tool holder 140 and thus the tool insert.
  • a fan 130 is preferably provided.
  • the fan 130 is arranged at the first axial end 101, but can also be arranged at any other point in the housing 105.
  • the handheld power tool 100 can also be designed without a fan 130.
  • FIG. 12 shows the drive unit 127 of FIG Fig. 1 and illustrates the arrangement of the fan 130, the drive motor 180 or 185 and the gear unit 125.
  • the drive motor 180 is preferred, as in FIG Fig. 1 described, designed as an electronically commutated drive motor 185 and has a stator 211 and a rotor 212.
  • the drive motor 180 is mounted in the housing 105 via a drive shaft 215.
  • the drive shaft 215 is mounted facing the second axial end 102 via a bearing element 250 in the housing 105.
  • the fan 130 is arranged in the region of the first axial end 101 of the drive unit 127 on the drive shaft 215.
  • At least one motor component 280 which is arranged facing the second axial end 102, is assigned to the drive motor 180.
  • the gear unit 125 is preferably arranged at least in sections on the drive shaft 215, the gear unit 125 being arranged on an end of the drive shaft 215 facing the second axial end 102.
  • a drive-side gear flange 230 is preferably assigned to the gear unit 125.
  • the gear flange 230 is designed to close the gear unit 125 at least in sections.
  • the gear flange 230 is mounted on the drive shaft 215 via a bearing element 292.
  • the end of the drive shaft 215 facing the second axial end 102 is connected to an output shaft 299 via the gear unit 125.
  • One end of the output shaft 299 facing the first axial end 101 is mounted in the gearbox flange 230 via a bearing element 290.
  • the output shaft 299 is designed to drive the tool holder 140.
  • the gear 120 assigned to the gear unit 125 is preferably designed as a planetary gear.
  • a ring gear 294 assigned to the planetary gear is arranged in the gear flange 230.
  • the transmission flange 230 has an internal receptacle 248.
  • the drive-side gear flange 230 has a receiving area 236 on its end face 241 facing the stator.
  • the receiving area 236 is preferably designed to receive the stator 211 at least in sections.
  • the receiving area 236 designed to receive at least one motor component 280 assigned to the stator 211 at least in sections.
  • the at least one motor component 280 is arranged between the drive motor 180 and the gear unit 125, in particular a gear flange 230.
  • the at least one motor component 280 is assigned to the drive motor 180, in particular fastened to the drive motor 180 on the output side.
  • the at least one motor component 280 is to be used as a mechanical motor component, for example as an anti-rotation web (1110 in Figures 12 and 12 ) of the stator 211 of the drive motor 180, as an electromechanical motor component, for example as a motor terminal (811, 812 in Fig. 8 ), and / or as an electrical motor component, e.g. as an electronic circuit board, ie as a circuit board with electronic components (910 in Fig. 9 ), educated.
  • the inner receptacle 248 of the gear flange 230 is preferably designed for the arrangement of the gear unit 125.
  • an output-side end face 249 of the receiving area 236 of the gear flange 230 preferably has receptacles (610 in Fig. 6 ), the ring gear 294 of the gear unit 125 in sections in the receptacles (610 in Fig. 6 ) is arranged.
  • the receiving area 236 has at least one receiving element (499 in Fig. 4 and Fig. 5 ) in the circumferential direction 209 of the drive-side gear flange 230 for receiving at least one motor component 280.
  • the at least one receiving element (499 in Fig. 4 and Fig. 5 ) designed such that the at least one motor component 280 protrudes bearing elements 290, 292 for mounting the drive-side gear flange 230 in the longitudinal direction 208 of the drive unit 127.
  • FIG. 12 shows the drive unit 127 of FIG Fig. 1 and Fig. 2 .
  • Clarified Fig. 3 an alternative gear flange 230 or 510 in Fig. 5 .
  • the gear flange 230 or 510 is in Fig. 5 described in more detail.
  • FIG. 8 shows the transmission flange 230 of FIG Fig. 2 , which is designed according to a further embodiment and is therefore referred to below as gear flange 410.
  • the transmission flange 410 has a first axial end 401, which is arranged facing the first axial end 101 of the drive unit 127. Furthermore, the transmission flange 410 has a second axial end 402 opposite the first axial end 401. At the second axial end 402, the gear flange 410 has at least one, illustratively three and preferably four retaining flanges 412 for arrangement in the housing 105.
  • the gear flange 410 has a first bearing area 414 for the arrangement of the first bearing element 292.
  • a second storage area 415 for the arrangement of the second bearing element 290 is arranged at a distance from the first storage area 414.
  • the first storage area 414 preferably has a first outer diameter and the second storage area 415 has a second outer diameter.
  • the second outside diameter is preferably larger than the first outside diameter.
  • the first storage area 414 widens in the direction of the second axial end 402 of the transmission flange 410 into the second storage area 415.
  • the second bearing area 415 expands in the direction of the second axial end 402 of the gear flange 410 into a receiving area 416.
  • the receiving area 416 has a larger outer diameter than the second bearing area 415.
  • the transmission flange 410 has at least one, illustratively eight, longitudinal webs 430.
  • the longitudinal webs 430 connect an outer diameter or outer circumference of the receiving area 416 to the storage area 415 and to the storage area 414.
  • the illustratively eight longitudinal webs 430 have, for example, a triangular base body.
  • the transmission flange 410 can thus have any number of longitudinal webs 430.
  • different longitudinal webs 430 can also be formed, ie for example one longitudinal web connects the receiving area 416 and the second storage area 415 to one another and a further longitudinal web connects the second storage area 415 with the first storage area 414.
  • the different longitudinal webs can have any shape.
  • the longitudinal webs 430 of the at least one receiving area 236 form associated receiving elements 499.
  • the at least one receiving element 499 is in the circumferential direction 209 of the transmission flange 410 or of the transmission flange 230 of Fig. 1 and Fig. 2 , to accommodate at least one motor component 280 or 811, 812 in Fig. 8 , educated.
  • the receiving element 499 is designed as a receptacle 420.
  • the receiving element 499 can also be used as a recess (530 in Fig. 5 ) be trained.
  • the recesses 420 preferably form a receiving geometry.
  • the receiving elements 499 are preferably designed in such a way that the at least one motor component 280 or 811, 812 in Fig. 8 , the bearing elements 290, 292 for mounting the gearbox flange 410 or the gearbox flange 230 from Fig. 1 and Fig. 2 , protrude in the longitudinal direction 208.
  • This allows a nested arrangement of the stator with the gear flange, whereby a compact arrangement can be made possible. In this way, a concentration of functions can also be achieved.
  • FIG. 8 shows the transmission flange 230 of FIG Fig. 3 , which is designed according to a further embodiment and is therefore referred to below as transmission flange 510.
  • the transmission flange 510 has a first axial end 501 which is arranged facing the first axial end 101 of the drive unit 127. Furthermore, the transmission flange 510 has a second axial end 502 opposite the first axial end 501. Analogous to the gearbox flange 410 from Fig. 4 the transmission flange 510 has the retaining flanges 412 and the receiving area 416 and the first and second storage areas 414 and 415.
  • the receiving elements 499 of the gear flange 510 are preferably designed as recesses 530.
  • the recesses 520 can be formed, for example, by a milling process.
  • a receiving geometry 520 is preferably formed in this case. It is pointed out, however, that the receiving geometry 520 can also be formed by receiving means.
  • the gear flange 230 can be designed as an injection-molded part, for example, to form the receptacles.
  • FIG. 10 shows the transmission flange 510 of FIG Fig. 5 viewed from its second axial end 502. Clarified Fig. 6 the receptacle area 416 or the inner receptacle 248 of the gear flange 230 or 510.
  • the inner receptacle 248 is designed for the arrangement of the gear unit 125, with an output-side end face 249 of the receiving area 236 of the gear flange 230 or 510 forming the anti-rotation lock for the ring gear 294 of the gear unit 125, in particular the gear 120.
  • the recesses 530 preferably form receptacles 610 on the output-side end face 249 of the receiving area 236.
  • the receptacles 610 are designed for the arrangement of the ring gear 294 in sections.
  • the ring gear 294 has at least one axial extension web (1090 in FIG. 1090 in the axial direction or in the longitudinal direction 208 of the drive unit 127) Fig. 11 ), which can be arranged in one of the receptacles 610.
  • the ring gear 294 is preferably arranged in the gear flange 510 in a rotationally fixed manner, i.e. the ring gear 294 is fixed in the gear flange 510 in the circumferential direction 209.
  • FIG. 10 shows the transmission flange 510 of FIG Fig. 5 and Fig. 6 with the ring gear 294 of the gear unit 125, as well as the first and second bearing element 290, 292.
  • the bearing element 292 is preferably and illustratively arranged in the first bearing area 414.
  • the bearing element 290 is arranged in the second bearing area 415.
  • the ring gear 294 is arranged on the end face 249 of the receiving area 236.
  • the ring gear 294 with the at least one axial extension web (1090 in Fig. 11 ) arranged in the receptacles 610, whereby the anti-twist protection is created.
  • Fig. 8 shows the drive unit 127 with the drive motor 180 and the gear flange 230 or 510 of FIG FIGS. 5 to 7 .
  • Clarified Fig. 8 The arrangement of the at least one motor component 280 in the receiving area 236 of the gear flange 230.
  • the at least one motor component 811, 812 assigned to the stator 211 is arranged at least in sections in the receiving element 499 of the gear flange 510 or 230, which is designed as a recess 530.
  • the at least one motor component 811, 812 is designed as a motor terminal. It is pointed out, however, that the at least one motor component 811, 812 can also be designed as any other, in particular electrical, part of the drive motor 180.
  • a motor terminal 811, 812 is arranged in each of the receiving elements 499 embodied as recesses 530.
  • the drive motor 180 preferably has a plurality of motor components 811, 812 or motor terminals, which can be arranged in the receiving elements 499.
  • the transmission flange 230 can have a number of receiving elements 499 assigned to the motor terminals 811, 812 in FIG Fig. 4 or in FIGS. 5 to 7 exhibit.
  • the drive motor 180 can have any number of motor components 811, 812 and the gear flange 230 can have a different number of receiving elements 499 in FIG Fig. 4 or in FIGS. 5 to 7 exhibit.
  • a motor component does not have to be arranged in each receiving element 499.
  • FIGS. 5 to 7 in the circumferential direction 209 of the gear flange 230 can also only be designed in sections, for example from a 9 o'clock position to a 3 o'clock position.
  • the embodiment shown are the motor components 811, 812, as described above, motor terminals, ie interconnection elements which are designed to interconnect the individual wires 821 or windings of the drive motor 180.
  • the gear flange 230 and the ring gear 294 of the gear unit 125 can be formed in one piece. According to a further variant, the gear flange 230 and the ring gear 294 of the gear unit 125 cannot be formed in one piece, i.e. in several pieces.
  • the motor components 811, 812 are arranged facing the first axial end 101 of the drive unit 127 on the stator 211. In particular, the motor components 811, 812 are arranged facing the transmission flange 230.
  • FIG. 12 shows the drive unit 127 of FIG FIGS. 1 to 3 with the drive motor 185 and the gear flange 230 from FIGS. 5 to 8 .
  • Clarified Fig. 9 an arrangement of an alternative motor component 910 in the receiving area 236 of the gear flange 230.
  • the motor component 910 is preferably a board 910 with electronic components 912 assigned to the drive motor 185.
  • the board 910 is preferably arranged in the longitudinal direction 208 between the drive motor 185 and the gear flange 230.
  • the circuit board 910 is arranged coaxially to the drive motor 185.
  • the electronic components 912 are preferably formed in the longitudinal direction 208.
  • the circuit board 910 is preferably attached to the drive motor 185.
  • the circuit board 910 is preferably fastened to the drive motor 185 via a screw connection.
  • the circuit board 910 preferably forms motor electronics for controlling and / or regulating the drive unit 127, in particular the drive motor 185.
  • Fig. 10 shows the drive motor 185 as well as the gear flange 230 with the circuit board 910 of Fig. 9 .
  • Clarified Fig. 10 the at least partial arrangement of the electronic components 912 of the circuit board 910 in the receiving element 499 of the gear flange 230.
  • Fig. 11 shows the drive motor 185, the gear flange 230 and the circuit board 910 of Fig. 9 and Fig. 10 .
  • the circuit board 910 has an annular base body, which is preferably arranged on an outer circumference of the receiving area 236 and has an inner circumference 1011.
  • the receiving area 236 has a bearing section 1021 in which the bearing element 292 is arranged.
  • the bearing section 1021 is preferably designed in the shape of a sleeve.
  • the bearing section 1021 is preferably formed in one piece with the gear flange 230, in particular in the manner of an annular collar on the gear flange 230.
  • the inner circumference 1011 of the plate 910 or the ring-shaped base body is preferably arranged on the outer circumference of the bearing section 1021. This enables the transmission flange 230 to overlap with the electronic components 912 of the circuit board 910. Furthermore, an improved mounting can be made possible, since the drive shaft 215 protrudes from Fig. 2 can be reduced via the bearing element 292.
  • Fig. 11 the rotation lock of the ring gear 294 in the gear flange 230.
  • the ring gear 294 is arranged in sections in the receptacles 610 of the gear flange 230.
  • the ring gear 294 has at least one axial extension web 1090 in the axial direction or in the longitudinal direction 208 of the drive unit 127, which is shown in FIG Fig. 11 is arranged in the receptacles 610.
  • the ring gear 294 of the gearbox 120 is secured against rotation in the gearbox flange 230.
  • the ring gear 294 is preferably arranged in the gearbox flange 230 in a rotationally fixed manner, ie the ring gear 294 is fixedly arranged in the gearbox flange 230 in the circumferential direction 209.
  • FIG. 12 shows the drive unit 127 of FIG FIGS. 1 to 3 with the drive motor 185 and the gear flange 230 from FIGS. 5 to 11 .
  • An end cap 1100 arranged facing the gear flange 230 is assigned to the drive motor 185.
  • Clarified Fig. 12 an arrangement of an alternative motor component 1110 in the receiving area 236 of the gear flange 230.
  • the motor component 1110 is at least one anti-rotation web assigned to the drive motor 185.
  • the end cap 1100 is illustratively assigned to the anti-rotation web 1110 formed in the longitudinal direction 208.
  • the at least one anti-rotation web 1110 is arranged at least in sections in the receiving element 499 of the gear flange 230.
  • the end cap 1100 is preferably attached to the drive motor 185, in particular the stator 211.
  • the anti-rotation web 1110 is preferably formed in one piece with the end cap 1100.
  • the anti-rotation web 1110 is designed to fix the stator 211 of the drive motor 185 in the circumferential direction 209.
  • Fig. 13 shows the drive motor 185, the gear flange 230 and the end cap 1100 of Fig. 12 .
  • Clarified Fig. 13 an exemplary web 1210 assigned to the housing 105 for positioning the gear flange 230 in the housing 105.
  • FIG Fig. 13 the anti-rotation web 1110 arranged in the receiving element 499.
  • FIG. 8 shows the transmission flange 230 of FIG Fig. 13 from the face 249 of Fig. 5 or viewed from the output side, with the ring gear 294 of Fig. 2 the gear unit 125, as well as the bearing element 290 from Fig. 2 .
  • the bearing element 290 is preferably arranged in the second bearing area 415.
  • the ring gear 294 is arranged on the end face 249 of the receiving area 236.
  • the gear flange 230 has at least one recess 1310 in order to enable the anti-rotation web 1110 of the end cap 1100 to penetrate. In this way, an overlap of the anti-rotation web 1110 and the gear flange 230 can be increased.
  • the recess 1310 is preferably formed in the circumferential direction 209 between two receptacles 610 of the gear flange 230.
  • An overall axial length of the drive unit 127 can be reduced by the nesting.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP20190833.2A 2019-09-11 2020-08-13 Machine-outil portative dotée d'une bride de réducteur Active EP3792005B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019213795 2019-09-11
DE102020208347.9A DE102020208347A1 (de) 2019-09-11 2020-07-03 Handwerkzeugmaschine mit einem Getriebeflansch

Publications (2)

Publication Number Publication Date
EP3792005A1 true EP3792005A1 (fr) 2021-03-17
EP3792005B1 EP3792005B1 (fr) 2023-06-07

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Application Number Title Priority Date Filing Date
EP20190833.2A Active EP3792005B1 (fr) 2019-09-11 2020-08-13 Machine-outil portative dotée d'une bride de réducteur

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EP (1) EP3792005B1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385512A (en) * 1991-08-02 1995-01-31 Emerson Electric Co. Transmission for electrically driven tool
US20030121676A1 (en) * 2001-12-27 2003-07-03 Ortt Earl M. Combined fastenerless motor end cap and output device mounting
EP2075094A1 (fr) * 2007-12-28 2009-07-01 Robert Bosch GmbH Outil électrique rotatif avec une interface entre le moteur et le réducteur, qui facilite l'assemblage
DE102016225114A1 (de) * 2015-12-16 2017-06-22 Robert Bosch Gmbh Werkzeugbasismodul

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385512A (en) * 1991-08-02 1995-01-31 Emerson Electric Co. Transmission for electrically driven tool
US20030121676A1 (en) * 2001-12-27 2003-07-03 Ortt Earl M. Combined fastenerless motor end cap and output device mounting
EP2075094A1 (fr) * 2007-12-28 2009-07-01 Robert Bosch GmbH Outil électrique rotatif avec une interface entre le moteur et le réducteur, qui facilite l'assemblage
DE102016225114A1 (de) * 2015-12-16 2017-06-22 Robert Bosch Gmbh Werkzeugbasismodul

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