WO2018036920A1 - Dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle - Google Patents

Dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle Download PDF

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Publication number
WO2018036920A1
WO2018036920A1 PCT/EP2017/070920 EP2017070920W WO2018036920A1 WO 2018036920 A1 WO2018036920 A1 WO 2018036920A1 EP 2017070920 W EP2017070920 W EP 2017070920W WO 2018036920 A1 WO2018036920 A1 WO 2018036920A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
output shaft
quick
clamping
fastening
Prior art date
Application number
PCT/EP2017/070920
Other languages
German (de)
English (en)
Inventor
Bruno Luescher
Andreas Zurbruegg
Bruno Sinzig
Marcus Schuller
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 DE102017213668.5A external-priority patent/DE102017213668A1/de
Priority claimed from DE102017213669.3A external-priority patent/DE102017213669A1/de
Priority claimed from DE102017214119.0A external-priority patent/DE102017214119A1/de
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201780051658.7A priority Critical patent/CN109641343A/zh
Priority to BR112019002382A priority patent/BR112019002382A2/pt
Priority to JP2019510637A priority patent/JP6802907B2/ja
Priority to KR1020197005213A priority patent/KR102436086B1/ko
Priority to RU2019107509A priority patent/RU2736767C2/ru
Priority to EP17758477.8A priority patent/EP3500402B1/fr
Priority to US16/324,470 priority patent/US10828742B2/en
Publication of WO2018036920A1 publication Critical patent/WO2018036920A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/30—Details; Component parts; Accessories for mounting or securing saw blades or saw spindles
    • B27B5/32—Devices for securing circular saw blades to the saw spindle
    • 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
    • B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools

Definitions

  • the invention relates to a quick-release device for a portable machine tool, in particular for an angle grinder, with at least one, in particular rotationally driven, output shaft, with at least one at least partially arranged in the output shaft clamping unit, the tool-free fixation of an insert tool unit on the output shaft at least one At least around and / or along a movement axis of the clamping unit movably mounted clamping element, and having at least one torque transmitting unit for transmitting torque to the insert tool unit in a arranged on the output shaft state the insert tool unit, which has at least one, in particular separately to the output shaft formed, torque transmission element.
  • the quick-release device at least one fastening unit at least to one, in particular rotationally fixed, attachment of the
  • the torque transmission element engages in a arranged on the clamping unit and / or the output shaft state of the insert tool unit in a receiving recess of the insert tool unit and is for torque transmission to at least one of the receiving recess bounding edge of the insert tool unit.
  • a torque transmission between the output shaft and arranged on the clamping unit and / or the output shaft insert tool unit is preferably carried out in a manner already known in the art by means of a positive connection between the torque transmitting element and the insert tool unit in a arranged on the output shaft state of the insert tool unit.
  • the torque transmission element is preferably arranged non-rotatably on the output shaft.
  • the torque transmission element is drivable in rotation about an axis of rotation of the output shaft together with the output shaft.
  • the axis of rotation of the output shaft extends at least substantially perpendicular to the axis of movement of the clamping unit.
  • the axis of rotation of the output shaft extends at least substantially parallel to the axis of movement of the clamping unit.
  • substantially perpendicular is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, smaller 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • substantially parallel is to be understood here as meaning, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, the direction being opposite to the reference direction a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • movably mounted is meant, in particular, a mounting of an element and / or a unit, wherein the element and / or the unit has a movement possibility, in particular decoupled from an elastic deformation of the element and / or the unit, along a movement axis of more than 5 mm, preferably of more than 10 mm and more preferably of more than 50 mm and / or about a movement axis along an angular range of more as 1 °, preferably of more than 5 ° and more preferably of more than 15 ° / have.
  • the clamping element is at least partially disposed in the output shaft.
  • the output shaft surrounds along a circumferential direction of the output shaft, which extends around an axis of rotation of the output shaft, the
  • the circumferential direction of the output shaft preferably extends in a plane extending at least substantially perpendicular to the axis of rotation of the output shaft.
  • the clamping element is rotatably connected to the output shaft.
  • the clamping element is movable together with the output shaft about the axis of rotation, in particular rotatably mounted.
  • the axis of rotation of the output shaft preferably extends at least substantially parallel, in particular coaxially, to at least one movement axis of the clamping unit.
  • the clamping element is mounted pivotably about a pivot axis of the clamping element.
  • the pivot axis of the clamping element extends transversely, in particular at least substantially perpendicular, to the axis of rotation of the output shaft.
  • the pivot axis of the clamping element extends at least substantially perpendicular to a clamping axis of the clamping unit.
  • the pivot axis of the clamping element preferably forms at least one axis of movement of the clamping unit.
  • the pivot axis of the clamping element preferably runs at least substantially perpendicular to a clamping axis of the clamping unit.
  • a “clamping axis” is to be understood here as meaning, in particular, an axis of the clamping unit along which an axial securing force of the clamping unit can be exerted on the insert tool unit for fixing the inserting tool unit to the output shaft and / or along which a transmission element of the clamping unit causes movement of the clamping unit
  • the tensioning axle preferably forms at least one further movement axis of the tensioning unit
  • the tensioning element is preferably designed as a clamping jaw axially the clamping element, at least partially in the clamping position, at least partially into the insert tool unit, in particular into a fixing recess of the insert tool unit.
  • the clamping element engages behind a clamping extension of the insert tool unit at least in a state of the insert tool unit fixed by means of the clamping unit.
  • provided is meant in particular specially programmed, designed and / or equipped.Assuming that an element and / or a unit is provided for a particular function, should be understood in particular that the element and / or the unit that particular function fulfill / fulfill and / or execute / execute in at least one application and / or operating state.
  • the clamping element is movable by means of a mechanical connection between at least the operating element of the operating unit and the clamping element by means of the operating unit in the clamping position and / or in the release position.
  • the operating element is designed as an operating lever, in particular as a pivotally mounted operating lever.
  • an electrical signal can be generated by means of an operating element of the operating unit, by means of which an actuator can be controlled, which is intended to move the clamping element into the clamping position and / or into the release position mechanical, be designed as electrical and / or electronic control unit, which is intended to move due to an operating command of an operator and / or an operator of an operator, the clamping element in the clamping position and / or in the release position.
  • the clamping unit comprises at least two movable, in particular pivotable, mounted clamping elements.
  • the clamping unit comprises one of two different number of clamping elements.
  • the at least two clamping elements have an at least substantially analogous configuration.
  • the at least two clamping elements of the clamping unit are movable relative to one another, in particular pivotable relative to one another.
  • the at least two clamping elements are movable by means of the operating unit in a clamping position of the clamping elements and / or in a release position of the clamping elements.
  • the at least two clamping elements are jointly movable by means of the operating unit, in particular jointly in the clamping position and / or in the release position.
  • the at least two clamping elements by means of the control unit are independently movable into the clamping position and / or in the release position.
  • the at least two clamping elements are preferably each movable about the clamping axis, in particular pivotally mounted.
  • the quick-release device comprises at least one securing unit, in particular a self-locking unit and / or a latching unit, which is intended to initiate a movement of the clamping element, at least when an action of a decoupled from the operating unit and acting in the direction of the release position of the clamping element force on the clamping element from the clamping position in the release position of the clamping element, in particular to tolerance and / or play-related movements of the clamping element to prevent.
  • the securing unit in particular the self-locking unit and / or the locking unit, is provided for, at least at one
  • the expression "to secure as far as possible against movement” is intended to mean in particular a securing of an element, in particular in a position of the element, against a movement, whereby a tolerance and / or play-related movement of the element can take place in a secured position of the element
  • the clamping element can be secured against movement into the release position of the clamping element by the securing unit in the clamping position by means of a positive and / or non-positive connection in the clamping position Clamping position of the clamping element at least as far as possible, in particular up to a tolerance and / or game-related pivotal movement, against a pivoting movement of the
  • the fuse unit can be designed as a magnetic fuse unit, as a mechanical fuse unit, as an electronic fuse unit or the like.
  • the fuse unit comprises at least one magnetic element, which the clamping device secures element by means of an action of a magnetic force in the clamping position.
  • the securing unit comprises at least one mechanical securing element which secures the clamping element in the clamping position by means of a positive and / or non-positive connection.
  • the fuse unit comprises at least one electronic element that secures the clamping element in the clamping position and / or monitors a position of the clamping element and upon reaching the clamping position controls an actuator that controls the clamping element secured in the clamping position. Further, a person skilled in the appear reasonable embodiments of the fuse unit are also conceivable.
  • the fastening unit is preferably provided to arrange the torque transmission element in a rotationally fixed manner on the output shaft, in particular to fix it.
  • the fastening unit can be designed as a positive, positive and / or cohesive connection.
  • the fastening unit can be designed as a bolt unit, riveting unit, as a screw unit, as a form-locking unit, as a welded connection unit, as a press-fit connection unit, as a latching hook connection unit and / or as another unit that appears appropriate to a person skilled in the art, which is provided to the torque transmission element on the To fix output shaft, in particular to fix rotationally fixed.
  • at least one fastening element of the fastening unit is formed integrally with the output shaft.
  • the fastening unit has a plurality of fastening elements, which are formed integrally with the output shaft.
  • one-piece should be understood in particular to be at least materially bonded, for example by a welding process, an adhesion process, an injection process and / or another process that appears appropriate to a person skilled in the art, and / or advantageously shaped in one piece, such as by a
  • the fastening element of the fastening unit can be in the form of a threaded element, bayonet closure element, receiving recess, press-fit element, output shaft torque extension, deres, a professional appear to be useful fastener.
  • the fastening unit has at least one fastening element which is provided to fasten the torque-transmitting element to the output shaft by means of a positive and / or non-positive connection.
  • the fastening element can be designed, for example, as a pin, as a bolt, as an extension, as a thread or as another element that appears appropriate to a person skilled in the art.
  • the fastening element is formed integrally with the torque-transmitting element or with a cover element of a cover unit of the quick-release device, wherein the fastening element as axial extension, as a recess, as a peripheral edge region of the
  • the fastening element has an at least partially to a receiving recess of the output shaft limiting inner contour of the output shaft corresponding outer geometry, in particular according to a key-keyhole principle.
  • the fastening element is designed as an axial extension which is arranged on the cover element and / or the torque transmission element and engages in a receiving recess arranged on the output shaft, in particular along an at least substantially parallel to a rotational axis of the output shaft. looking at the current direction.
  • the fastening element is designed as a press-fit element, such as a cone o.
  • the fastening element is provided in addition to the torque transmission element to attach at least the clamping element to the output shaft, in particular rotatably connected to the output shaft.
  • the clamping element is due to a
  • this is the clamping element attached directly by means of the fastener to the output shaft.
  • the clamping element by means of the fastener on
  • Attached torque transmitting element which is fixed by means of at least one further fastening element of the fixing unit to the output shaft, in particular rotatably connected to the output shaft.
  • the fastening element is provided, in addition to the torque transmission element at least two, in particular pivotally mounted, clamping elements of the clamping unit to attach to the output shaft, in particular rotatably connected to the output shaft.
  • the fastening element is provided to attach one of two different number of, in particular pivotally mounted, clamping elements of the clamping unit to the output shaft.
  • fastening unit It can be advantageously realized a structurally simple embodiment of the fastening unit. It can be advantageously achieved a compact design of the quick release device. It can advantageously be a reliable transmission of torque to the set tool unit can be achieved in a arranged on the output shaft state of the insert tool unit.
  • the fastening element is designed as a bolt which, in a fastening state, has a longitudinal axis extending transversely, in particular at least substantially perpendicular, to a movement axis of the output shaft.
  • the fastening element is designed as a bearing pin, which is intended to at least store the clamping element movable relative to the output shaft.
  • the longitudinal axis of the fastening element preferably forms a main extension axis of the fastening element, which runs transversely, in particular at least substantially perpendicular, to the axis of rotation of the output shaft, in particular in a state of the fastening element arranged on the output shaft.
  • the fastening element preferably defines the pivot axis of the tensioning element.
  • At least two clamping elements of the clamping unit are mounted by means of the fastening element pivotally mounted on the output shaft.
  • Output shaft arranged state of the insert tool unit can be achieved.
  • the fastening unit has at least one form-locking contour which is provided, at least for fastening the torque-transmitting element, to cooperate with at least one form-fitting counter-contour arranged on the output shaft.
  • the form-fitting contour is preferably formed integrally with the torque transmission element and / or with the cover element on which the torque transmission element is preferably arranged.
  • the form-fitting contour preferably forms an outer contour of the torque transmission element and / or of the cover element, in particular along the circumferential direction of the output shaft, on which the torque transmission element is arranged.
  • the form-fitting contour is preferably poly- gonal, elliptical, oval o.
  • the form-fitting contour extends along a direction extending at least substantially parallel to the axis of rotation of the output shaft, in particular into a form-fitting counter contour designed as a receiving recess and arranged on the output shaft.
  • a torque can be transmitted from the output shaft to the torque transmission element.
  • the fastening unit has a plurality of form-fitting contours that are distributed uniformly or unevenly along the circumferential direction of the output shaft on the torque transmission element, wherein a number of form-fitting counter contours disposed on the output shaft is preferably dependent on a number of form-fitting contours, especially equivalent.
  • the fastening unit comprises at least one securing element which is provided to secure a connection of the torque-transmitting element by means of the fastening element.
  • the securing element is formed differently from the fastening element.
  • the securing element is preferably an element designed separately for the fastening element.
  • the securing element can be designed as a securing bolt, as a securing screw, as a securing ring, as a securing varnish, as a securing extension or the like.
  • the fastening unit has at least more than two fastening elements, which are intended to fasten the torque transmission element by means of a positive and / or non-positive connection to the output shaft.
  • the fastening elements along the circumferential direction of the output shaft evenly distributed on the output shaft and / or on the cover, on which the torque transmission element is arranged arranged.
  • the fastening elements along the circumferential direction of the output shaft are arranged non-uniformly on the output shaft and / or on the cover, on which the torque transmission element is arranged.
  • a secure transmission of torque to the insert tool unit can be achieved in a state of the insert tool unit arranged on the output shaft.
  • the fastening element is designed as a rivet element.
  • the fastening element designed as a rivet element preferably extends for attachment of the torque transmission element to the output shaft through the torque transmission element and / or through the cover element on which the torque transmission element is arranged, and through at least a portion of the output shaft.
  • the fastener formed as a rivet element is at least partially formed integrally with the output shaft and through the torque transmitting element and / or by the cover to which the torque transmitting element ange- is arranged, extends therethrough, or that the fastening element designed as a rivet element at least partially in one piece with the torque transmitting element and / or with the cover, on which the torque transmitting element is arranged, is formed and extends at least through a portion of the output shaft.
  • Design can advantageously be realized a cost-effective design of the fastening unit.
  • a secure transmission of torque to the insert tool unit can be achieved in a state of the insert tool unit arranged on the output shaft.
  • the fastening unit fasten the torque-transmitting element to the output shaft in a material-locking manner, in particular by means of a welded connection of the fastening unit.
  • the fastening unit is designed as a threaded unit, and has at least one threaded element arranged on the torque transmission element and at least one further threaded element arranged on the output shaft.
  • the fastening unit is designed as a threaded unit, and has at least one threaded element arranged on the torque transmission element and at least one further threaded element arranged on the output shaft.
  • Torque transmission element arranged threaded element formed as an internal thread Preferably, the further threaded element arranged on the output shaft is designed as an external thread.
  • the arranged on the torque transmitting element threaded element formed as an external thread and that the arranged on the output shaft further threaded element is formed as an internal thread By means of the embodiment according to the invention can advantageously be realized a structurally simple embodiment of the fastening unit. It can be advantageously realized a cost-effective design of the fastening unit. It can advantageously be a safe transmission of torque on the werk- be achieved in a control unit arranged on the output shaft state of the insert tool unit.
  • the quick-release device at least one cover unit for at least partially covering an opening of the quick-release device
  • Output shaft from which the clamping unit protrudes at least partially out of the output shaft comprising, wherein the torque transmitting element is attached to at least one cover of the cover, in particular is formed integrally with the cover.
  • Quick clamping device can be realized. It can be counteracted advantageous penetration of dirt in the output shaft.
  • a portable power tool in particular an angle grinder, with at least one quick-release device according to the invention.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool for machining workpieces that can be transported by an operator so that it can not be transported, the portable machine tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg.Particularly preferably, the portable machine tool is designed as an angle grinder.However, it is also conceivable that the portable machine tool has another, to a skilled person appear appropriate design, such as an embodiment as multi-functional machine tool with a By means of the embodiment according to the invention, advantageously, a compact design of the portable power tool can be achieved tion of a torque to the insert tool unit in a arranged on the output shaft state of the insert tool unit can be achieved.
  • the quick-release device according to the invention and / or the portable power tool according to the invention should / should not be limited to the application and embodiment described above.
  • can / can the quick-release device according to the invention and / or the portable power tool according to the invention have a number deviating from a number of individual elements, components and units specified herein in order to fulfill a mode of operation described herein.
  • FIG. 1 shows a portable power tool according to the invention, in particular an angle grinder, with at least one quick-release device according to the invention in a schematic view,
  • FIG. 2 is a partial sectional view of the quick release device according to the invention with a fastening unit of the quick release device according to the invention in a schematic representation
  • FIG. 3a is a detailed view of a sealing unit of the quick release device according to the invention in a schematic representation
  • 3b is a detailed view of an alternative sealing unit of the quick release device according to the invention in a schematic view
  • 3c is a detailed view of an alternative sealing unit of the quick release device according to the invention in a schematic representation
  • 3 d shows a detailed view of an alternative sealing unit of the quick-release device according to the invention in a schematic illustration
  • 3e is a detailed view of an alternative sealing unit of the inventive quick release device in a schematic representation
  • 3h is a detailed view of an alternative sealing unit of the inventive quick release device in a schematic view
  • FIG. 4 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic illustration
  • FIG. 5 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation
  • FIG. 6 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation
  • FIG. 7 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation
  • FIG. 8 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation
  • FIG. 9 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic illustration
  • 10 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation
  • FIG. 11 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic illustration
  • FIG. 13 is a detailed view of an alternative attachment unit of the inventive quick release device in a schematic representation
  • FIG. 14 shows a detailed view of an alternative fastening unit of the quick-release device according to the invention in a schematic representation.
  • FIG. 1 shows a portable machine tool 12a designed as an angle grinder with a quick-release device 10a.
  • the portable power tool 12a has another, to a skilled person appear appropriate design, such as a configuration as a circular saw, grinding machine o. The like.
  • the portable power tool 12a includes a gear housing 94a for receiving and / or storage a gear unit 66a of the portable power tool 12a.
  • the gear housing 94a is preferably formed of a metallic material.
  • the gear housing 94a is formed of another material that appears appropriate to a person skilled in the art, such as plastic or the like.
  • the gear unit 66a is preferably designed as an angle gear.
  • the gear unit 66a comprises in particular a rotationally drivable output shaft 14a, on which an insert tool unit 18a can be fixed, in particular by means of the quick release device 10a.
  • the output shaft 14a is preferably designed as a hollow spindle in which the quick-action clamping device 10a is at least partially arranged (see FIG. 2).
  • a guard unit not shown here, can be arranged in a manner already known to a person skilled in the art.
  • On the gear housing 94a is in a manner already known to a person skilled in the art not shown here additional handle can be arranged.
  • the portable power tool 12a includes a motor housing 68a for receiving and / or supporting a drive unit 70a of the portable power tool 12a.
  • the drive unit 70a is preferably provided in a manner already known to a person skilled in the art, by means of an interaction with the gear unit 66a to drive the output shaft 14a in rotation about a rotation axis 72a of the output shaft 14a.
  • Output shaft 14a extends at least substantially perpendicular to a drive axis 74a of the drive unit 70a.
  • the drive unit 70a is preferably designed as an electric motor unit. However, it is also conceivable for the drive unit 70a to have another configuration which appears expedient to a person skilled in the art, for example a configuration as a combustion drive unit, as a hybrid drive unit, as a pneumatic drive unit or the like.
  • FIG. 2 shows a partial sectional view of the quick-release device 10a with a fastening unit 34a of the quick-release device 10a.
  • the quick-clamping device 10a for the portable power tool 12a comprises at least the, in particular rotationally driven, output shaft 14a, at least one at least partially arranged in the output shaft 14a clamping unit 16a, the tool-free fixation of the insert tool unit 18a on the output shaft 14a at least at least and or clamping element 24a movably mounted along a movement axis 20a, 22a of the clamping unit 16a,
  • Quick clamping device 10a at least one operating unit 76a for a movement of the clamping element 24a, 26a in a clamping position and / or in a release position of the clamping element 24a, 26a, in which the insert tool unit 18a of the clamping unit 16a and / or the output shaft 14a is removable (see 1).
  • the clamping unit 16a comprises at least two movably mounted Clamping elements 24a, 26a. However, it is also conceivable that the clamping unit 16a comprises one of two different number of clamping elements 24a, 26a.
  • the at least two clamping elements 24a, 26a have an at least substantially analogous configuration so that features disclosed for one of the clamping elements 24a, 26a as well as for the further clamping element 24a,
  • the at least two clamping elements 24a, 26a are pivotally mounted.
  • the movement axis 20a of the clamping unit 16a preferably forms a pivot axis of the at least two clamping elements 24a, 26a.
  • the pivot axis extends at least substantially perpendicular to the axis of rotation 72a of the output shaft 14a.
  • the at least two clamping elements 24a, 26a are provided for axially fixing the insert tool unit 18a to the output shaft 14a in a state arranged on the clamping unit 16a and / or the output shaft 14a, in particular in the clamping position of the at least two clamping elements 24a, 26a (cf. Figure 2).
  • the at least two clamping elements 24a, 26a are rotatably connected to the output shaft 14a.
  • the least two clamping elements 24a, 26a are rotatably connected to the output shaft 14a.
  • Clamping elements 24a, 26a, together with the output shaft 14a can be driven to rotate about the rotational axis 72a of the output shaft 14a.
  • the axis of rotation 72 of the output shaft 14a preferably runs at least substantially parallel, in particular coaxially, to at least one further movement axis 22a of the clamping unit 16a, along which at least one actuating element 84a of the operating unit 76a acts on the clamping element 24a, 26a, in particular the at least two clamping elements 24a, 26a, is movably mounted.
  • the operating unit 76a is preferably provided to move the clamping element 24a, 26a, in particular the at least two clamping elements 24a, 26a, at least to the release position, in which the insert tool unit 18a is detachable from the clamping unit 16a and / or the output shaft 14a.
  • the operating unit 76a is provided to move the clamping element 24a, 26a, in particular the at least two clamping elements 24a, 26a, at least into the clamping position in which the insert tool unit 18a by means of the clamping unit 16a on the output shaft 14a can be fixed.
  • the operating unit 76a preferably comprises at least one operating element 80a that can be actuated by an operator.
  • the operating element 80a is designed as an operating lever.
  • the operating element 80a comprises a movement axis 82a, in particular a pivot axis, which is transversely, in particular at least substantially perpendicular to the axis of rotation 72a of the output shaft 14a extends.
  • the operating element 80a is preferably pivotably mounted about the movement axis 82a, in particular the pivot axis.
  • the operating element 80a is preferably decoupled from a rotational movement of the output shaft 14a.
  • the torque transmission unit 28a comprises at least one torque transmission element 30a for torque transmission to the insert tool unit 18a.
  • the torque-transmitting unit 28a comprises at least two torque-transmitting elements 30a (only one of the two torque-transmitting elements 30a is shown in FIG. 2), wherein the torque-transmitting elements 30a of the embodiment of the torque-transmitting unit 28a shown in FIG. 2 are comparable to the configuration of the torque-transmitting unit 28c on the output shaft 14c shown in FIG can be arranged).
  • the torque transmission unit 28a comprises one of two different number of torque transmission elements 30a.
  • the at least two torque-transmitting elements 30a have an at least substantially analogous configuration, so that features disclosed for one of the torque-transmitting elements 30a are also to be regarded as disclosed for the further torque-transmitting element 30a.
  • the torque transmission element 30a engages in a receiving recess of the insert tool unit 18a and abuts a torque transfer at at least one edge of the insert tool unit 18a bounding the receiving recess.
  • a torque transmission between the output shaft 14a and the tool unit 18a arranged on the clamping unit 16a and / or the output shaft 14a preferably takes place in a manner already known to a person skilled in the art by means of a positive and / or non-positive connection between the torque transmission element 30a and the insert tool unit 18a ,
  • the torque transmission element 30a is non-rotatably arranged on the output shaft 14a.
  • the torque transmission element 30a is rotatably drivable together with the output shaft 14a about the rotation axis 72a of the output shaft 14a.
  • the quick-release device 10a comprises at least one fastening unit 34a at least one, in particular rotationally fixed, attachment of the torque-transmitting element 30a to the output shaft 14a.
  • the fastening unit 34a has at least one fastening element 36a which is provided to fasten the torque transmission element 30a, in particular the at least two torque transmission elements 30a, to the output shaft 14a by means of a positive and / or non-positive connection
  • the quick-action clamping device 10a preferably comprises at least one covering unit 62a for at least partially covering an opening of the output shaft 14a, from which the clamping unit 16a projects at least partially out of the output shaft 14a, the torque transmission element 30a, in particular the at least two torque-transmitting elements 30a, at least a cover member 64a of the cover unit 62a is attached / are.
  • the torque transmission element 30a in particular the at least two
  • Torque transmission elements 30a is / are preferably formed integrally with the cover member 64a.
  • the fastening element 36a is provided to fasten, in addition to the torque transmission element 30a, at least the tensioning element 24a, 26a, in particular the at least two tensioning elements 24a, 26a, to the output shaft 14a.
  • the fastening element 36a is designed as a bolt which, in a fastening state, has a transverse axis, in particular at least substantially perpendicular, to a movement axis 44a, in particular the axis of rotation 72a, of the output shaft 14a.
  • the longitudinal axis 46a of the fastening element 36a preferably defines the movement axis 20a of the tensioning unit 16a designed as a pivot axis.
  • the fastening element 36a preferably forms at least one bearing element for a movable mounting of the clamping element 24a, 26a, in particular of the at least two clamping elements 24a, 26a, relative to the output shaft 14a about the movement axis 20a of the clamping unit 16a formed as a pivot axis.
  • the fastener 36a engages an attachment of the
  • Torque transmission element 30a in particular of the at least two torque transmitting elements 30a, and / or the clamping element 24a, 26a, in particular of the at least two clamping elements 24a, 26a, at least in a arranged in the output shaft 14a mounting recess of the fastening unit 34a a.
  • the fastening element 36a preferably passes through to a fastening of the torque transmission element 30a, in particular of the at least two torque transmission elements 30a, and / or the tensioning element 24a, 26a, in particular of the at least two tensioning elements 24a, 26a, at least through the fastening recess 34a of the fastening unit 34a arranged in the output shaft 14a.
  • the quick-action clamping device 10a preferably comprises at least one sealing unit 86a, which is provided, a gap between an edge of the output shaft 14a and the clamping unit 16a, at least partially delimiting the opening of the output shaft 14 from which the clamping unit 16a projects at least partially out of the output shaft 14a , in particular the at least two clamping elements 24a, 26a, seal, in particular at least against the ingress of dirt (see Figures 2 and 3a).
  • the sealing unit 86a preferably comprises at least one sealing element 88a, such as a rubber seal o. The like., In particular, a penetration of dirt in the
  • the sealing element 88a is preferably located on an outer side of the clamping element 24a, 26a, in particular of the at least two clamping elements 24a, 26a.
  • the clamping element 24a, 26a, in particular the at least two clamping elements 24a, 26a, is / are movably mounted relative to the sealing element 88a.
  • the tensioning element 24a, 26a, in particular the at least two tensioning elements 24a, 26a slides / slide on movement relative to the sealing element 88a on at least one sealing surface of the sealing element 88a.
  • FIG. 3b shows an alternative embodiment of a sealing element 88a 'of the sealing unit 86a.
  • the sealing element 88a ' is designed as a rubber seal, which rests against an outer surface of the clamping element 24a, 26a, in particular of the at least two clamping elements 24a, 26a.
  • the seal member 88a ' has a receiving recess through which the fastener 36a extends in an assembled state.
  • the sealing element 88a ' is preferably in an assembled state of the fastening element 36a on an outer side of the fastening element 36a.
  • the sealing element 88a ' preferably has a multiplicity of sealing ribs.
  • 3c shows a further alternative embodiment of a sealing element 88a "of the sealing unit 86a.
  • the sealing element 88a" is preferably designed as a plastic seal.
  • FIG. 3 d shows a further alternative embodiment of a sealing element 88 a '"of the sealing unit 86 a.
  • the sealing element 88 a'" is preferably designed as a rubber seal.
  • the seal member 88a '' preferably has a U-shaped or semicircular receiving recess for placement on the fastener 36a.
  • FIG. 3e shows a further alternative embodiment of a sealing element 88a "" of the sealing unit 86a.
  • the sealing element 88a "" is preferably formed as a two-component seal.
  • the sealing element 88a "" preferably has at least one soft plastic component for fulfilling a sealing function and at least one hard plastic component for fulfilling a supporting and / or supporting function.
  • FIG. 3f shows a further alternative embodiment of a sealing element
  • the sealing element 88a '' ' is preferably formed as a two-component seal.
  • the sealing element 88a '' ' preferably has a hollow-body-shaped configuration, wherein a sealing component is arranged on at least one side and a support and / or carrier component on one side.
  • FIG. 3g shows a further alternative embodiment of a sealing element 88a "" “of the sealing unit 86a.
  • the sealing element 88a” “” is preferably designed as a two-component seal.
  • the sealing element 88a “” preferably has a hollow body-shaped configuration, wherein a sealing component is at least partially integrated into a lateral surface of a support and / or carrier component of the sealing element 88a" "".
  • FIG. 3h shows a further alternative embodiment of a sealing element 88a '''' of the sealing unit 86a.
  • the sealing element 88a '''' is preferably se trained as a rubber seal.
  • the sealing element 88a '''' is preferably injection-molded onto a supporting and / or supporting element of the sealing unit 86a formed of a metallic material Further embodiments of the invention are shown in Figures 4 to 14.
  • the following descriptions and the drawings are essentially limited to the differences between the embodiments, wherein with respect to the same designated components, in particular with respect to components with the same reference numerals, in principle also to the drawings and / or the description of the other embodiments, in particular the figures 1 to
  • FIG. 4 shows a detailed view of a fastening unit 34b of a fastening unit 34b
  • Quick-release device 10b In contrast to the quick-action clamping device 10a shown in FIGS. 1 and 2, the fastening unit 34b of the quick-action clamping device 10b has at least two fastening elements 38b, 40b, which are provided, at least one torque transmission element
  • the torque transmission element 30b of a torque transmission unit 28b of the quick-release device 10b by means of a positive and / or non-positive connection to an output shaft 14b of the quick-release device 10b to attach.
  • the torque transmission element 30b engages in a state arranged on a clamping unit 16b of the quick-action clamping device 10b and / or on the output shaft 14b
  • the fastening elements 38b, 40b are preferably designed as press-fit elements.
  • the fastening elements 38b, 40b are formed as extensions, in particular as conical extensions.
  • the fastening elements 38b, 40b preferably have a longitudinal axis 46b, 48b which, in a state of the fastening elements 38b, 40b arranged on the output shaft 14b, runs at least substantially parallel to the rotational axis 72b of the output shaft 14b.
  • the fastening elements 38b, 40b are present Preferably, each by means of a press fit in a corresponding Presspassaus predominantlyung 90b, 92b of the output shaft 14b arranged.
  • the torque transmission element 30b in particular the torque transmission elements 30b, is fixed exclusively by means of a frictional connection of the fastening elements 38b, 40b and the
  • the fastening unit 34b additionally has a securing element (not shown here in detail) for securing the connection between the fastening elements 38b, 40b and the output shaft 14b.
  • the Presspassausnaturalept 90b, 92b of the output shaft 14b are preferably formed conically.
  • the fastening elements 38b, 40b are preferably formed integrally with a cover element 64b of a cover unit 62b of the quick-release device 10b.
  • the fastening unit 34b has at least one fastening element 36b for attachment of at least one tensioning element of a tensioning unit (not shown here in detail) of the quick-action tensioning device 10b.
  • the fastening element 36b for fastening the tensioning element is preferably designed as a bolt.
  • the quick-release device 10b reference may be made to the description of the quick-action clamping device 10a shown in FIGS. 1 to 3h.
  • FIG. 5 shows a detailed view of a fastening unit 34c of FIG
  • the fastening unit 34c of the quick-action clamping device 10c has at least two fastening elements 38c, 40c, which are provided, at least one torque transmission element 30c, 32c, in particular at least two torque transmission elements 30c, 32c, a torque transmission unit 28c of the quick-release device 10c to be fastened by means of a positive and / or non-positive connection to the output shaft 14b.
  • the fastening elements 38c, 40c are preferably as
  • the fastening unit 34c has at least one positive locking contour 96c, which is provided at least for attachment of the torque transmission element 30c, 32c, in particular of the torque transmission elements 30c, 32c, to at least one arranged on an output shaft 14c of the quick release device 10c Interlocking counter contour 50c cooperate.
  • a torque can be transmitted from the output shaft 14c to the torque transmission element 30c, 32c.
  • the form-fitting counter contour 50c is preferably formed as an inner surface of the output shaft 14c designed as a hollow spindle.
  • the positive locking contour 96c is integral with the torque transmitting element 30c, 32c, in particular with the torque transmitting elements 30c, 32c, and / or with a cover 64c of a cover unit 62c of the quick release device 10c on which the Drehmomentüber- transmission element 30c, 32c, in particular the torque transmission elements
  • the form-fitting contour 96c preferably forms an outer contour, in particular along a circumferential direction of the output shaft 14c, of the torque transmission element 30c, 32c and / or the cover element 64c on which the torque transmission element 30c, 32c is arranged.
  • the form-fitting contour 96c is preferably polygonal, elliptical, oval or the like, in particular viewed in a plane extending at least substantially perpendicular to a rotation axis 72c of the output shaft 14c.
  • FIG. 6 shows a detailed view of a fastening unit 34d of a
  • Quick release device lOd In contrast to the quick-release device 10c shown in FIG. 5, the fastening unit 34d has the
  • Quick-clamping device lOd at least one positive locking contour 96d, which at least for attachment of a torque transmission element (not shown here) is intended to cooperate with at least one arranged on an output shaft 14d of the quick-release device lOd Form gleichge- genkontur 50d.
  • a torque can be transmitted from the output shaft 14d to the torque transmission element.
  • the form-fitting contour 96d preferably extends along a direction extending at least substantially parallel to a rotation axis 72d of the drive shaft 14d, in particular into a direction as receiving device. Taken formed and arranged on the output shaft 14d positive locking counter contour 50d, 52d into it.
  • the form-fitting contour 96d is preferably cup-shaped.
  • the form-fitting contour 96d can, viewed in a plane extending at least substantially parallel to the rotation axis 72d of the output shaft 14d, have a trapezoidal, a u-shaped, a rectangular, a quadrilateral configuration or the like (see also detail views in FIG Figure 6).
  • the fastening unit 34d comprises a plurality of form-fitting contours 96d, which cooperate with a plurality of form-fitting counter contours 50d arranged on the output shaft 14d of the quick-action clamping device 10d.
  • Quick-release device 10d may be referred to the description of the quick-action clamping device 10a shown in FIGS. 1 to 3h.
  • FIG. 7 shows a detailed view of a fastening unit 34e of FIG.
  • the fastening unit 34e of the quick-action clamping device 10e has at least two fastening elements 38e, 40e, which are designed as bolts, which in a fastening state have a transverse, in particular at least substantially perpendicular, axis of movement 44e of an output shaft 14e of the quick release device 10e running
  • the fastening elements 38e, 40e pass through at least one cover element 64e of a cover unit 62e, on which at least one torque transmission element (not shown here in detail) is arranged.
  • the fastening elements 38e, 40e at least partially engage an outer wall of the output shaft 14e.
  • FIG. 8 shows a detailed view of a fastening unit 34f of FIG
  • the fastening unit 34f of the quick-release device 10f is designed as a threaded unit, and has at least one on the torque transmission element (not shown in detail here) and / or one arranged on a cover element 64f of a cover unit 62f Thread member 58f and at least one disposed on the output shaft 14f further threaded member 60f.
  • the threaded element 58f arranged on the torque transmission element and / or on the cover element 64f is designed as an internal thread.
  • the further threaded element 60f arranged on the output shaft 14f is designed as an external thread.
  • the threaded element 58f arranged on the torque transmission element and / or on the cover element 64f is designed as an external thread and that the further threaded element 60f arranged on the output shaft 14f is designed as an internal thread.
  • the quick-release device 10f reference may be made to the description of the quick-action clamping device 10a shown in FIGS. 1 to 3h.
  • FIG. 9 shows a detailed view of a fastening unit 34 g of a
  • the fastening unit 34g of the quick-action clamping device 10g is designed as a quick-locking unit, in particular as a bayonet locking unit.
  • a link 98g of the attachment unit 34g is arranged on a torque transmission element of a torque transmission unit (not shown in detail here) of the quick release device 10g and / or on a cover element 64g of a cover unit 62g of the quick release device 10g on which the torque transmission element is arranged.
  • At least one link engagement element 100g, 102g of the attachment unit 34g is preferably arranged on an output shaft 14g of the quick release device 10g.
  • the fastening unit 34g of the quick-action clamping device 10g is designed as a quick-locking unit, in particular as a bayonet locking unit.
  • a link 98g of the attachment unit 34g is arranged on a torque transmission element of a torque transmission unit (not shown in detail here) of the quick release device 10g and / or on a cover element 64g of
  • Gate 98g is arranged on the output shaft 14g and that the at least one link engagement element 100g, 102g is disposed on the torque transmitting element and / or on the cover 64g.
  • the fastening unit 34g comprises at least one securing element 54g, 56g, in particular at least two securing elements 54g, 56g, which is provided for this purpose
  • the securing element 54g, 56g, in particular the securing elements 54g, 56g, is / are preferably designed as a threaded bolt, in particular as a screw / n.
  • the fastening unit 34g preferably comprises at least the Si
  • the quick-release device 10g reference may be made to the description of the quick-action clamping device 10a shown in FIGS. 1 to 3h.
  • FIG. 10 shows a detail view of a fastening unit 34h of FIG
  • the fastening unit 34h of the quick-action clamping device 10h has at least one positive locking contour 96h which is provided at least for attachment of a torque transmission element (not shown here in detail) to at least one at an ab - Working shaft 14h of the quick-release device 10h arranged form-fitting counter-contour 50h cooperate.
  • a torque can be transmitted from the output shaft 14h to the torque transmission element.
  • the form-fitting contour 96h preferably extends in a plane extending at least substantially perpendicular to a rotation axis 72h of the output shaft 14h.
  • the form-fitting contour 96h preferably forms an outer circumference of a cover element 64h of a cover unit 62h of the quick-release device 10h.
  • the positive locking counter contour 50h is preferably formed by an inner surface of the output shaft 14h.
  • the fastening unit 34h preferably additionally comprises at least one fastening element (not shown here in detail), which is preferably designed as a threaded bolt, in particular as a screw.
  • the quick-action clamping device 10a shown in FIGS. 1 to 3h reference may be made to the description of the quick-action clamping device 10a shown in FIGS. 1 to 3h.
  • FIG. 11 shows a detailed view of a fastening unit 34i of FIG
  • the quick-action clamping device 10i has a torque transmission unit 28i which comprises at least two torque-transmitting elements 30i, 32i which are formed integrally with clamping elements 24i, 26i of a clamping unit 16i of the quick-action clamping device 10i.
  • the quick-release device 10i comprises at least one fastening unit 34i at least to one, in particular rotationally fixed, attachment of the torque transmission elements 30i, 32i to the output shaft 14i.
  • the fastening unit 34i has at least one fastening element 36i configured as a bolt, in particular as a bearing element, which is provided for fastening the torque transmission elements 30i, 32i to the output shaft 14i by means of a positive and / or non-positive connection, in particular via the tensioning elements 24i, 26i.
  • a fastening element 36i configured as a bolt, in particular as a bearing element, which is provided for fastening the torque transmission elements 30i, 32i to the output shaft 14i by means of a positive and / or non-positive connection, in particular via the tensioning elements 24i, 26i.
  • FIG. 12 shows a detail view of a fastening unit 34j of FIG
  • the fastening unit 34j has at least more than two, in particular at least four, fastening elements 36j, 38j, 40j, 42j, which are provided for a torque transmission element
  • the fastening elements 36j, 38j, 40j, 42j are preferably designed as threaded bolts, in particular as screws.
  • the quick release device 10J may be on the
  • FIG. 13 shows a detail view of a fastening unit 34k of FIG
  • the fastening unit 34k has at least one fastening element 38k, which is designed as a rivet element.
  • the fastening element 38k designed as a rivet element preferably extends to an attachment of a torque transmission element of a torque transmission unit (not shown here in detail) of the quick-action clamping element. direction 10k on an output shaft 14k of the quick release device 10k through the torque transmitting element and / or by a cover 64k a cover unit 62k of the quick release device 10k on which the torque transmitting element is arranged, and by at least a portion of the output shaft 14k.
  • the fastening element 38k designed as a rivet element is formed at least partially in one piece with the output shaft 14k and extends through the torque transmission element and / or through the cover element 64k, on which the torque transmission element is arranged, or as the rivet element Fastener 38k at least partially in one piece with the torque transmitting element and / or with the cover 64k on which the torque transmitting element is arranged, is formed and at least through a portion of the output shaft 14k extends therethrough.
  • the quick-release device 10k reference may be made to the description of those shown in FIGS. 1 to 3h
  • FIG. 14 shows a detail view of a fastening unit 341 of FIG
  • Quick-release device 101 In contrast to the quick-release device 10a shown in Figures 1 and 2, the mounting unit 341 is provided, a torque transmitting element (not shown here) and / or a cover 641 of a cover 621 of the quick release device 101 on which the torque transmission element is arranged , to fasten material fit to an output shaft 141, in particular by means of a welded connection of the fastening unit 341.
  • the fastening unit 341 is formed as a welded connection unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

L'invention concerne un dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle, comportant : au moins un arbre de sortie (14), en particulier pouvant être entraîné en rotation ; au moins une unité de serrage (16), disposée, au moins partiellement, dans l'arbre de sortie (14), laquelle comporte, pour une fixation sans outil d'une unité outil d'insertion (18) sur l'arbre de sortie (14), au moins un élément de serrage (24, 26), monté mobile, au moins autour et/ou le long d'un axe de déplacement (20, 22) de l'unité de serrage (16) ; et au moins une unité de transmission de couple (28), conçue pour transférer un couple à l'unité outil d'insertion (18) lorsque l'unité outil d'insertion (18) est disposée sur l'arbre de sortie (14), laquelle comprend au moins un élément de transmission de couple (30, 32), réalisé en particulier séparément de l'arbre de sortie (14). Selon l'invention, le dispositif de serrage rapide comprend au moins une unité de fixation (34), destinée à la fixation, en particulier en rotation, d'au moins un élément de transmission de couple (30, 32) sur l'arbre de sortie (14).
PCT/EP2017/070920 2016-08-22 2017-08-18 Dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle WO2018036920A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201780051658.7A CN109641343A (zh) 2016-08-22 2017-08-18 用于便携式工具机、尤其用于角磨机的快速夹紧装置
BR112019002382A BR112019002382A2 (pt) 2016-08-22 2017-08-18 dispositivo de fixação rápida para uma máquina-ferramenta portátil, em particular para uma máquina de esmerilhamento angular
JP2019510637A JP6802907B2 (ja) 2016-08-22 2017-08-18 持運び可能な工作機械のためのクイッククランプ装置、および、持運び可能な工作機械
KR1020197005213A KR102436086B1 (ko) 2016-08-22 2017-08-18 휴대용 공작 기계용, 특히 앵글 그라인딩 머신용 신속 인장 장치
RU2019107509A RU2736767C2 (ru) 2016-08-22 2017-08-18 Быстрозажимное устройство для переносной технологической машины, в частности для угловой шлифовальной машины
EP17758477.8A EP3500402B1 (fr) 2016-08-22 2017-08-18 Dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle
US16/324,470 US10828742B2 (en) 2016-08-22 2017-08-18 Quick tensioning device for a portable machine tool, in particular for an angle grinding machine

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
DE102016215691.8 2016-08-22
DE102016215691 2016-08-22
DE102016215702 2016-08-22
DE102016215702.7 2016-08-22
DE102017201501 2017-01-31
DE102017201509.8 2017-01-31
DE102017201501.2 2017-01-31
DE102017201509 2017-01-31
DE102017213668.5A DE102017213668A1 (de) 2016-08-22 2017-08-07 Werkzeugmaschine
DE102017213669.3A DE102017213669A1 (de) 2016-08-22 2017-08-07 Werkzeugeinrichtung für eine Handwerkzeugmaschine
DE102017213669.3 2017-08-07
DE202017104815.2U DE202017104815U1 (de) 2016-08-22 2017-08-07 Werkzeugmaschine
DE202017104816.0 2017-08-07
DE202017104815.2 2017-08-07
DE102017213668.5 2017-08-07
DE202017104816 2017-08-07
DE102017214119.0A DE102017214119A1 (de) 2017-08-07 2017-08-11 Schnellspannvorrichtung für eine tragbare Werkzeugmaschine, insbesondere für eine Winkelschleifmaschine
DE102017214119.0 2017-08-11

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Cited By (1)

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WO2023099084A1 (fr) * 2021-11-30 2023-06-08 Robert Bosch Gmbh Dispositifs de réception d'outil pour machines-outils portatives, en particulier des meuleuses d'angle

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WO2003103897A2 (fr) * 2002-06-06 2003-12-18 Robert Bosch Gmbh Outil d'insertion muni d'une unite de fixation
WO2013131676A2 (fr) * 2012-03-08 2013-09-12 Robert Bosch Gmbh Partie de réception d'outil
WO2015014468A1 (fr) * 2013-08-01 2015-02-05 C. & E. Fein Gmbh Machine-outil
WO2015014469A1 (fr) * 2013-08-01 2015-02-05 C. & E. Fein Gmbh Machine-outil équipée d'un dispositif de réception d'outil

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WO2003103897A2 (fr) * 2002-06-06 2003-12-18 Robert Bosch Gmbh Outil d'insertion muni d'une unite de fixation
WO2013131676A2 (fr) * 2012-03-08 2013-09-12 Robert Bosch Gmbh Partie de réception d'outil
WO2015014468A1 (fr) * 2013-08-01 2015-02-05 C. & E. Fein Gmbh Machine-outil
WO2015014469A1 (fr) * 2013-08-01 2015-02-05 C. & E. Fein Gmbh Machine-outil équipée d'un dispositif de réception d'outil

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Publication number Priority date Publication date Assignee Title
WO2023099084A1 (fr) * 2021-11-30 2023-06-08 Robert Bosch Gmbh Dispositifs de réception d'outil pour machines-outils portatives, en particulier des meuleuses d'angle

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