EP3023196B1 - Meuleuse d'angle dotée d'un prolongement - Google Patents

Meuleuse d'angle dotée d'un prolongement Download PDF

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Publication number
EP3023196B1
EP3023196B1 EP15186373.5A EP15186373A EP3023196B1 EP 3023196 B1 EP3023196 B1 EP 3023196B1 EP 15186373 A EP15186373 A EP 15186373A EP 3023196 B1 EP3023196 B1 EP 3023196B1
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EP
European Patent Office
Prior art keywords
angle grinder
housing
tool
grinder according
auxiliary handle
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.)
Active
Application number
EP15186373.5A
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German (de)
English (en)
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EP3023196A1 (fr
Inventor
Cornelius Boeck
Daniel BARTH
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
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Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3023196A1 publication Critical patent/EP3023196A1/fr
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Publication of EP3023196B1 publication Critical patent/EP3023196B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • the present invention relates to an angle grinder according to the preamble of claim 1 with an elongated tool housing having a radially limited from an outer circumference motor housing portion and an extension portion, which together form a housing longitudinal axis, wherein in the region of the extension portion a tool holder is arranged with a contact surface is provided for the flat contact of an exchangeable grinding wheel.
  • an angle grinder with a motor housing portion and an extension portion is known, e.g. is designed as a fillet weld grinder.
  • the extension section is connected to the motor housing section via a bevel gear arranged in the motor housing section and is preferably flanged thereto.
  • a tool holder with a replaceable grinding wheel is arranged at a free axial end of the extension portion.
  • a disadvantage of this prior art is that the connected via the bevel gear with the motor housing section extension section with the tool holder arranged thereon leads to a comparatively large height of the angle grinder or a comparatively large distance between the tool holder remote from the top of the motor housing portion and the grinding wheel.
  • a comparatively large height of the angle grinder an associated depth of cut and thus a corresponding Eckdorfkeit the angle grinder, ie its suitability for grinding in corners and edges, limited.
  • DE 203 01 372 U1 discloses an angle grinder according to the preamble of claim 1.
  • the object of the invention is therefore to provide a new angle grinder with an extension portion, in which an improved cornering capability is made possible.
  • an angle grinder comprising an elongate tool housing having a radially limited from an outer circumference motor housing portion and an extension portion, which together form a housing longitudinal axis, wherein in the region of the extension portion a tool holder is arranged, which with a Contact surface is provided for the surface contact of a replaceable grinding wheel. Between the contact surface and the housing longitudinal axis, a distance is formed which is smaller than or equal to a maximum radius formed by the housing longitudinal axis to the outer circumference of the motor housing portion, wherein a transmission unit is provided, which is designed in the manner of a belt drive.
  • the invention thus makes it possible to provide an angle grinder with an extension section, in which an improved cornering capability is achieved by a reduced distance between the contact surface of the grinding wheel and the housing longitudinal axis.
  • the distance is less than or equal to 50 mm.
  • a drive motor for driving the tool holder is preferably arranged, wherein the drive motor is connected via an angle gear with an intermediate shaft and the transmission unit with the tool holder, and wherein the angle gear with the intermediate shaft and the transmission unit are arranged in the extension portion.
  • an angle grinder can be provided which is comparatively lightweight, since the angle gear and the transmission unit are arranged in a common housing or the extension portion.
  • the transmission unit is designed in the manner of a belt drive.
  • a functional and reliable transmission unit can be provided, via which the spaced apart from the drive motor tool holder can be driven.
  • the belt transmission has a first and second pulley, wherein the first pulley is disposed on the intermediate shaft and the second pulley is disposed on an output shaft associated with the tool holder.
  • a rotational movement of the drive motor can be transmitted in a simple manner to the intermediate shaft and this can drive the tool holder via a belt.
  • the first pulley drives the second pulley via a toothed belt.
  • a belt for the belt transmission can be provided, in which due to a non-existent slip, a higher efficiency can be made possible.
  • the toothed belt preferably has a width of 8 to 16 mm.
  • a lightweight toothed belt can be provided with a small space requirement.
  • the first belt pulley is preferably arranged on a side of the intermediate shaft facing a drive toothing of the angle transmission.
  • the second pulley on a recess for at least partially receiving a bearing element for rotatably supporting the output shaft.
  • the bearing element has a diameter which is less than or equal to 20 mm.
  • a bearing element can be provided that can be arranged in the second pulley.
  • the bearing element projects beyond the second pulley in a direction away from the contact surface by a distance which is less than or equal to 2 mm.
  • a height is formed between the contact surface and an upper side of the extension section facing away from the tool holder, and the extension section forms a diameter in the region of the tool holder, wherein the height to the diameter forms a ratio of 1 / 1.1 to 1 / 1.6.
  • an extension section with a comparatively low height can be provided.
  • a length is preferably formed which is smaller than or equal to the maximum radius.
  • the Eckdorfkeit and the depth of cut of the angle grinder can be further improved or increased in a simple manner.
  • At least one grip shell is preferably arranged, in particular a plastic grip shell.
  • the at least one grip shell has an outer circumference which is at most 15% larger than the outer circumference of the motor housing section.
  • the tool housing for arranging an additional handle on a threaded bushing.
  • an additional handle can be securely and easily attached to the tool housing.
  • the threaded bushing is preferably arranged in the region of the extension section.
  • a toothing which is formed coaxially with the threaded bush, is preferably arranged on the tool housing for the adjustable arrangement of the auxiliary handle.
  • a respective working position of the auxiliary handle can be individually adjusted and locked.
  • the auxiliary handle is associated with an end stop, which is arranged on the tool housing, on the handle shell and / or on the auxiliary handle.
  • the auxiliary handle can be locked only in predetermined working positions, so that e.g. Working positions of the auxiliary handle near the grinding wheel, in which a risk of injury is comparatively high, can be avoided.
  • an additional handle for an angle grinder with a tool housing which is provided with a threaded bushing for the arrangement of the auxiliary handle, wherein coaxially with the threaded bushing is formed around these a first toothing.
  • the auxiliary handle has an adjusting element with a second toothing for arrangement on the threaded bush, wherein the first and second toothing are designed to form a positive connection.
  • an angle grinder with a tool housing on which a threaded bushing for arranging an additional handle is arranged, wherein coaxial with the threaded bushing a toothing for adjustable arrangement of the auxiliary handle is formed on the tool housing.
  • the invention thus enables the provision of an angle grinder, which can be used with the additional handle which can be locked in predetermined working positions.
  • the toothing is preferably designed in the form of a ring segment in order to allow only an adjustment of the auxiliary handle in a predetermined area.
  • the auxiliary handle is associated with an end stop, which is arranged on the tool housing.
  • the input mentioned object is also achieved by a tool system with an angle grinder and with an additional handle, the angle grinder having a tool housing, on which a threaded bushing for arranging the auxiliary handle is arranged, wherein coaxial with the threaded bush a first toothing for the adjustable arrangement of the auxiliary handle on the tool housing is formed, and wherein the auxiliary handle has an adjusting element with a second toothing for arrangement on the threaded bush, wherein the first and second toothing are formed to form a positive connection.
  • Fig. 1 11 shows an angle grinder 100 with an elongate tool housing 110, which has a motor housing section 120 bounded in the radial direction by an outer circumference 125 and an extension section 130.
  • the angle grinder 100 is designed as a fillet weld grinder or corner grinder.
  • a drive motor (410 in Fig. 4 ) arranged to drive a tool holder 150.
  • the drive motor (410 in Fig. 4 ) is preferably designed as an electronically commutated electric motor and, for example via a manual switch 112, or a manual pushbutton, by a user operable, ie at least on and off.
  • the angle grinder 100 has a rating of greater than or equal to 705 watts.
  • the angle grinder 100 is formed by way of example with a power cable 105 for the network-dependent power supply, which is illustratively arranged on the motor housing section 120.
  • the angle grinder 100 may also be provided for battery-independent power supply with a battery pack.
  • the tool holder 150 is preferably arranged in the region of the extension section 130 and designed to drive a replaceable grinding wheel 160.
  • the tool holder 150 has an output shaft 157 with a contact surface 155 for surface contact of the exchangeable grinding wheel 160, which preferably has a pulley diameter of greater than or equal to 124 mm.
  • a protective cover 170 is preferably assigned to protect against, for example, abrasive particles 160 produced during processing with the angle grinder 100. This is preferably designed such that the output shaft 157 in the direction of its free end (547 in Fig. 5 ) is not exceeded.
  • At least one grip shell 140 is arranged, which is preferably designed as a plastic grip shell.
  • the at least one grip shell 140 has an ergonomic handle shape and is provided with an outer circumference 145, which is at most 15% larger than the outer circumference 125 of the motor housing section 120, but can also be at least approximately equal.
  • the extension portion 130 and the handle shell 140 are illustratively formed in one piece, but could also be formed in several pieces.
  • Fig. 2 shows the extension section 130 of FIG Fig. 1 , which together with the motor housing section 120 of Fig. 1 forms a common housing longitudinal axis 202.
  • lines 215, 217 extending from the outer circumference 125 of the motor housing section 120 and extended parallel in the direction of the tool receptacle 150 illustratively form an area 219.
  • the extension section 130 with the tool holder 150 is arranged in this region 219.
  • a distance A is formed between the housing longitudinal axis 202 and the contact surface 155 of the output shaft 157, which is less than or equal to one of the housing longitudinal axis 202 to the outer periphery 125 of the motor housing portion 120 formed maximum radius R.
  • this maximum radius R has a value of 40 mm, but other values can also be realized.
  • the motor housing portion 120 forms a height, which is illustratively formed between the line 215 and the line 217 and twice as large as the maximum radius R, ie 80 mm. This height of the motor housing section 120 preferably forms a total height of the angle grinder 100.
  • the distance A may have a positive or negative value, with a distance A having a positive value in Fig. 2 is formed above the housing longitudinal axis 202 and a distance A with a negative value in Fig. 2 as shown below the housing longitudinal axis 202 is formed.
  • the distance A is less than or equal to 50 mm and is preferably in a range between -25 mm and +10 mm, preferably in a range between -12 mm and -5 mm.
  • a height h is formed, which is preferably less than or equal to 33 mm.
  • Fig. 3 shows the extension portion 130 with the tool holder 150 of Fig. 2 which illustratively has a maximum diameter D, which is preferably less than or equal to 44 mm.
  • the height h of the extension portion 130 of FIG Fig. 2 to this maximum diameter D a ratio in the range of 1 / 1.1 to 1 / 1.6, preferably a ratio of 1 / 1.333.
  • a slim shape of the extension portion 130 and a low height of the angle grinder 100 of Fig. 1 be enabled, which in turn allows a relatively large depth of cut.
  • Fig. 4 shows the angle grinder 100 of Fig. 1 with its elongated tool housing 110, here without the extension portion 130 of Fig. 1 is shown to allow an illustration of an internal structure of an extension of the angle grinder 100 according to the invention.
  • a drive motor 410 with a drive shaft 415 for driving the tool holder 150 is arranged in the motor housing section 120 of the tool housing 110.
  • the drive motor 410 or its drive shaft 415 is connected to an angle gear 420, which drives a transmission unit 430, which is connected to the tool holder 150.
  • the angle gear 420 has an intermediate shaft 425 and is arranged with the transmission unit 430 in the extension section 130, not shown.
  • the transmission unit 430 is in the manner of a belt drive.
  • the transfer unit 430 is formed with a first and second pulley 432, 434.
  • the first pulley 432 is illustratively disposed on the intermediate shaft 425 and the second pulley 434 is illustratively arranged on the output shaft 157 of the tool holder 150.
  • the first and second pulley 432, 434 are preferably pressed onto the intermediate shaft or the output shaft 157.
  • the first pulley 432 drives the second pulley 434 via a belt 436, preferably designed as a toothed belt.
  • the belt 436 may also be belted in the manner of any other belt, e.g. a poly-V belt, or be designed in the manner of a chain.
  • the transmission unit 430 can also be designed in any other way, e.g. in the manner of a flexible transmission element.
  • Fig. 5 shows the transmission unit 430 of Fig. 4 used in the operation of angle grinder 100 of Fig. 4 via the angular gear 420 of Fig. 4 from the drive shaft 415 of the drive motor 410 of Fig. 4 is driven.
  • the angle gear 420 preferably has a bevel gear 520 that can be driven by the drive shaft 415 and a ring gear 525, wherein the ring gear 525 can be driven by the bevel gear 520 via a drive toothing 527.
  • the ring gear 525 is disposed at a first axial end 512 of the intermediate shaft 425 and the drive teeth 527 is formed in a direction away from the first axial end 512 direction.
  • the ring gear 525 is rotatable about a bearing member 516 in the extension portion 130 of the tool housing 110 of Fig. 1
  • the intermediate shaft 425 is supported by a bearing element 518.
  • the second axial end 514 of the intermediate shaft 425, which is opposite the first axial end 512, or the intermediate shaft 425 facing the drive teeth 527, preferably has the first belt wheel 432 arranged thereon.
  • the second pulley 434 is as in Fig. 4 arranged on the output shaft 157, wherein at a first axial end 542 of the output shaft 157, the tool holder 150 of Fig. 1 is formed, on which the grinding wheel 160 is arranged, and wherein at a first axial end 542 arranged opposite, the second axial end 544, the second Pulley 434 is arranged.
  • the output shaft 157 is at least one and illustratively a first and a second bearing member 546, 548 for rotatably supporting the extension portion 130 of Fig. 1 assigned.
  • the first bearing member 546 is disposed between the grinding wheel 160 and the second pulley 434, and the second bearing member 548 is disposed at the second axial end 544.
  • at least the second bearing element 548 has a diameter d which is less than or equal to 20 mm and particularly preferably in the range between 16 and 20 mm.
  • at least the second bearing element 548 is preferably designed in the manner of a roller bearing.
  • the second belt wheel 434 has a recess 562 for at least partially receiving the second bearing element 548. It preferably towers above a - in Fig. 5
  • the bearing element 548 projects beyond the second pulley 434 in a direction away from the contact surface 155 direction or in the direction of the second axial end 544 of the output shaft 157.
  • the bearing element 548 projects beyond the second pulley 434 at most by a distance C, which is preferably less than or equal to 2 mm.
  • a length X is formed between the housing longitudinal axis 202 and the first axial end 542 of the output shaft 157. According to one embodiment, this length X is less than or equal to the maximum radius R of Fig. 2 ,
  • FIG. 5 shows a tooling system 690 illustratively including the angle grinder 100 of FIG Fig. 1 with its tool housing 110 and an additional handle 630, which can preferably be arranged on the tool housing 110 via an adjusting element 620 and is fastened illustratively on the tool housing 110.
  • the auxiliary handle 630 can be fastened to the extension section 130 of the tool housing 110, but can alternatively also be fastened to its motor housing section 120, in particular in the case where the angle grinder 100 is formed without the extension section 130.
  • the auxiliary handle 630 can not only be arranged on the adjusting element 620 on the tool housing 110, but also directly, i. without the adjustment 620 can be attached to the tool housing 110.
  • the auxiliary handle 630 can preferably be fastened to the tool housing 110 via a screw connection and / or a clamping connection.
  • the screw connection preferably has a screw with a star grip.
  • Fig. 7 shows an enlarged view of the tool housing 110 of Fig. 1 or. Fig. 6 , which preferably has a threaded bushing 710 for the arrangement of the auxiliary handle 630 via a screw connection.
  • this threaded bushing 710 is formed in the manner of a fferauges.
  • the threaded bushing 710 is arranged in the region of the extension section 130 or incorporated therein and preferably integrally formed therewith, but alternatively may also be arranged on the motor housing section 120.
  • a toothing 720 formed coaxially with the threaded bushing 710 is provided.
  • the arrangement of the threaded bushing 710 with the toothing 720 merely by way of example on the in Fig. 7 shown side of the tool housing 110 is arranged and is not limited to this. Rather, the threaded bushing 710 with the toothing 720 can also be arranged on the opposite side of the tool housing 110 and / or at least in one position therebetween.
  • the toothing 720 is formed ring-segment-shaped, so that only an adjustment of the auxiliary handle 630 in a predetermined angular range is made possible.
  • the auxiliary handle 630 at least one end stop 731, 733; 721, 723 (841, 843 in Fig. 8 ), which is arranged on the tool housing 110, on the handle shell 140 and / or on the auxiliary handle 630.
  • a first and second end stop 731, 733 are arranged on the tool housing 110, wherein the first end stop 731 is arranged at a first end 725 of the toothing 720 and the second end stop 733 is arranged at a second end 727 opposite the first end 725.
  • a third and fourth end stop 721, 723 are preferably arranged on the grip shell 140, wherein the third end stop 721 is formed on a first end of a recess 740 provided in the grip shell 140 and the fourth end stop 723 is formed on a second end opposite the first end End of the recess 740 is formed.
  • the recess 740 is preferably formed in the region of the threaded bushing 710 such that the toothing 720 is surrounded by the recess 740.
  • the first and third end stops 731, 721 are preferably formed on the first end 725 of the toothing 720 and the second and fourth end stops 733, 723 are formed on the second end 727 of the toothing 720.
  • Fig. 8 shows the adjusting element 620 of the auxiliary handle 630 of Fig. 6 with a first and second axial end 802, 804, between which preferably an elongated base body 810 is formed.
  • the adjusting element 620 has at its first and second axial ends 802, 804 in each case a recess 820, 830.
  • the recess 820 is designed to be arranged on the additional handle 630, and the recess 830 is intended to be arranged on the tool housing 110 of the angle grinder 100 of FIG Fig. 6 educated.
  • a ring-segment-shaped toothing 840 is arranged.
  • the toothing 840 preferably has an end stop 841, 843 at its first and second ends 845, 847, wherein the end stop 841 is arranged at the first end 845 and the end stop 843 is arranged at the second end 847.
  • the teeth 720 formed coaxially around the threaded bushing 710 form Fig. 7 and the teeth 840 formed coaxially around the recess 830 form a positive connection.
  • Fig. 9 shows the auxiliary handle 630 of Fig. 6 in a first end position, in which this at the end stop 723, 733 of Fig. 7 is applied.
  • the auxiliary handle 630 is arranged in a front position or in the region of the tool holder 150.
  • Fig. 10 shows the auxiliary handle 630 of Fig. 6 in a second end position, in which this at the end stop 721, 731 of Fig. 7 is applied.
  • the auxiliary handle 630 is in a rear position or in the region of the motor housing section 120 of FIG Fig. 6 arranged.
  • the auxiliary handle 630 not only in the in Fig. 9 shown, front end position and the in Fig. 10 shown rear end position can be arranged, but can also be arranged or locked in at least one and preferably a plurality of further intermediate positions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (23)

  1. Meuleuse d'angle (100) avec un boîtier d'outil allongé (110), qui présente une section de boîtier de moteur (120) limitée en direction radiale par une périphérie extérieure (125) et une section de prolongement (130), qui forment ensemble un axe longitudinal de boîtier (202), dans laquelle un logement d'outil (150), qui est doté d'une face plate (155) pour l'appui plat d'une meule remplaçable (160), est disposé dans la région de la section de prolongement (130), dans laquelle une distance (A) est formée entre la face d'appui (155) et l'axe longitudinal de boîtier (202), qui est inférieure ou égale à un rayon maximal (R) formé de l'axe longitudinal de boîtier (202) à la périphérie extérieure (125) de la section de boîtier de moteur (120), caractérisée en ce qu'il est prévu une unité de transmission (430), qui est réalisée à la manière d'une transmission à courroie.
  2. Meuleuse d'angle selon la revendication 1, caractérisée en ce que la distance (A) est inférieure ou égale à 50 mm.
  3. Meuleuse d'angle selon la revendication 1 ou 2, caractérisée en ce qu'un moteur d'entraînement (410) est disposé dans la section de boîtier de moteur (120) pour l'entraînement du logement d'outil (150), dans laquelle le moteur d'entraînement (410) est relié par un engrenage d'angle (420) à un arbre intermédiaire (425) et l'unité de transmission (430) est reliée au logement d'outil (150), et dans laquelle l'engrenage d'angle (420) avec l'arbre intermédiaire (425) et l'unité de transmission (430) sont disposés dans la section de prolongement (130).
  4. Meuleuse d'angle selon la revendication 3, caractérisée en ce que la transmission à courroie (430) présente une première et une seconde roue à courroie (432, 434), dans laquelle la première roue à courroie (432) est disposée sur l'arbre intermédiaire (425) et la seconde roue à courroie (434) est disposée sur un arbre de sortie (157) associé au logement d'outil (150).
  5. Meuleuse d'angle selon la revendication 4, caractérisée en ce que la première roue à corroie (432) entraîne la seconde roue à courroie (434) au moyen d'une courroie dentée (436).
  6. Meuleuse d'angle selon la revendication 5, caractérisée en ce que la courroie dentée (436) présente une largeur de 8 à 16 mm.
  7. Meuleuse d'angle selon l'une quelconque des revendications 4 à 6, caractérisée en ce que la première roue à courroie (432) est disposée sur un côté de l'arbre intermédiaire (425) tourné vers une denture d'entraînement (527) de l'engrenage d'angle (420).
  8. Meuleuse d'angle selon l'une quelconque des revendications 4 à 7, caractérisée en ce que la seconde roue à courroie (434) présente un évidement (562) pour le logement au moins partiel d'un élément de palier (548) destiné à l'appui rotatif de l'arbre de sortie (157).
  9. Meuleuse d'angle selon la revendication 8, caractérisée en ce que l'élément de palier (548) présente un diamètre (d) qui est inférieur ou égal à 20 mm.
  10. Meuleuse d'angle selon la revendication 8 ou 9, caractérisée en ce que l'élément de palier (548) dépasse la seconde roue à courroie (434) dans une direction s'éloignant de la face d'appui (155) au maximum d'une distance (C), qui est inférieure ou égale à 2 mm.
  11. Meuleuse d'angle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une hauteur (h) est formée entre la face d'appui (155) et un côté supérieur (212) de la section de prolongement (130) détourné du logement d'outil (150) et la section de prolongement (130) forme dans la région du logement d'outil (150) un diamètre (D), dans laquelle la hauteur (h) présente vis-à-vis du diamètre (D) un rapport de 1/1,1 à 1/1,6.
  12. Meuleuse d'angle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une longueur (X), qui est inférieure ou égale au rayon maximal (R), est formée entre l'axe longitudinal de boîtier (202) et une extrémité axiale libre (542) d'un arbre de sortie (157) du logement d'outil (150).
  13. Meuleuse d'angle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une coquille de saisie (140), en particulier une coquille de saisie en matière plastique, est disposée dans la région de la section de prolongement (130).
  14. Meuleuse d'angle selon la revendication 13, caractérisée en ce que ladite au moins une coquille de saisie (140) présente une périphérie extérieure (145), qui est au maximum 15 % plus grande que la périphérie extérieure (125) de la section de boîtier de moteur (120).
  15. Meuleuse d'angle selon l'une quelconque des revendications précédentes, caractérisée en ce que le boîtier d'outil (110) présente une douille filetée (710) pour l'agencement d'une poignée supplémentaire (630).
  16. Meuleuse d'angle selon la revendication 15, caractérisée en ce que la douille filetée (710) est disposée dans la région de la section de prolongement (130).
  17. Meuleuse d'angle selon la revendication 15 ou 16, caractérisée en ce qu'une denture (720) formée coaxialement à la douille filetée (710) est disposée dans la région de la douille filetée (710) pour l'agencement réglable de la poignée supplémentaire (630) sur le boîtier d'outil (110).
  18. Meuleuse d'angle selon l'une quelconque des revendications 15 à 17, caractérisée en ce qu'une butée d'extrémité (731, 733; 721, 723; 841, 843) est associée à la poignée supplémentaire (630) et est disposée sur le boîtier d'outil (110), sur la coquille de saisie (140) et/ou sur la poignée supplémentaire (630).
  19. Meuleuse d'angle avec un boîtier d'outil (110) selon l'une quelconque des revendications 1 à 14, caractérisée en ce qu'une douille filetée (710) est disposée sur le boîtier d'outil (110) pour l'agencement d'une poignée supplémentaire (630), dans laquelle une denture (720) est formée coaxialement à la douille filetée (710) pour l'agencement réglable de la poignée supplémentaire (630) sur le boîtier d'outil (110).
  20. Meuleuse d'angle selon la revendication 19, caractérisée en ce que la denture (720) est réalisée sous forme de segments annulaires, afin de ne permettre un réglage de la poignée supplémentaire (630) que dans une plage angulaire prédéterminée.
  21. Meuleuse d'angle selon la revendication 19 ou 20, caractérisée en ce qu'une butée d'extrémité (731, 733; 721, 723; 841, 843), qui est disposée sur le boîtier d'outil (110), est associée à la poignée supplémentaire (630).
  22. Système d'outil (690) avec une meuleuse d'angle (100) selon l'une quelconque des revendications précédentes, avec une poignée supplémentaire (630) et avec un élément de réglage (620), dans lequel la meuleuse d'angle (100) présente un boîtier d'outil (110), sur lequel une douille filetée (710) est disposée pour l'agencement de la poignée supplémentaire (630), dans lequel une première denture (720) est formée coaxialement à la douille filetée (710) pour l'agencement réglable de la poignée supplémentaire (630) sur le boîtier d'outil (110), et dans lequel l'élément de réglage (620) présente une seconde denture (840) pour l'agencement sur la douille filetée (710), dans lequel la première et la seconde dentures (720; 840) sont réalisées de façon à former un assemblage par emboîtement.
  23. Système d'outil (690) selon la revendication 22, caractérisé en ce que l'élément de réglage (620) présente à sa première et à sa seconde extrémité axiale (802, 804) chaque fois un évidement (820, 830), dans lequel l'évidement (820) est formé pour l'agencement sur la poignée supplémentaire (630) et l'évidement (830) est formé pour l'agencement sur le boîtier d'outil (110) de la meuleuse d'angle (100).
EP15186373.5A 2014-11-11 2015-09-23 Meuleuse d'angle dotée d'un prolongement Active EP3023196B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014222987.1A DE102014222987A1 (de) 2014-11-11 2014-11-11 Winkelschleifer mit einem Verlängerungsabschnitt

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DE102018204462A1 (de) 2017-03-24 2018-09-27 Kirsch Gmbh Werkzeug zum Schleifen von Kehlnuten oder Fugen

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Publication number Priority date Publication date Assignee Title
DE7734129U1 (de) * 1977-11-07 1978-04-06 Kalka, Veronika, 4901 Hiddenhausen Winkelschleifer
DE19745306C2 (de) * 1997-10-14 1999-09-09 Fein C & E Handgriffanordnung für einen Winkelschleifer
US6722955B2 (en) * 2001-01-10 2004-04-20 3M Innovative Properties Company Buckup plate assembly for grinding system
DE20301372U1 (de) * 2003-01-30 2004-06-09 Dolmar Gmbh Winkelschleifer
DE102004034441A1 (de) * 2004-07-16 2006-02-16 Narex Česká Lípa a.s. Handwerkzeugmaschine, insbesondere Winkelschleifer

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EP3023196A1 (fr) 2016-05-25

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