EP3655196A1 - Dispositif de serrage rapide pour machine-outil portative - Google Patents

Dispositif de serrage rapide pour machine-outil portative

Info

Publication number
EP3655196A1
EP3655196A1 EP18737887.2A EP18737887A EP3655196A1 EP 3655196 A1 EP3655196 A1 EP 3655196A1 EP 18737887 A EP18737887 A EP 18737887A EP 3655196 A1 EP3655196 A1 EP 3655196A1
Authority
EP
European Patent Office
Prior art keywords
unit
operating
clamping
operating element
movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18737887.2A
Other languages
German (de)
English (en)
Other versions
EP3655196B1 (fr
Inventor
Bruno Luescher
Andreas Zurbruegg
Bruno Sinzig
Marcus Schuller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3655196A1 publication Critical patent/EP3655196A1/fr
Application granted granted Critical
Publication of EP3655196B1 publication Critical patent/EP3655196B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • 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
    • 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
    • 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

  • a quick-release device for a portable power tool, in particular for an angle grinder, has already been proposed.
  • the invention proposes a quick-action clamping device for a portable machine tool, in particular for an angle grinder, with at least one clamping unit which has at least one clamping element movably mounted at least about one and / or along a movement axis of the clamping unit for tool-free fixing of an insert tool unit to an output shaft of the portable machine tool , and with at least one operating unit having at least one movably mounted operating element at least for actuating the clamping unit, wherein the operating element is at least provided to transfer the clamping unit from a clamping position to a release position depending on a movement of the operating element, wherein the operating element is at least translationally and / or pivotally mounted, before.
  • movably mounted is meant in particular a bearing of an element and / or a unit, wherein the element and / or the unit a movement possibility, in particular decoupled pelt of an elastic deformation of the element and / or the unit, along at least one movement axis of more than 5 mm, preferably more than 10 mm and more preferably more than 50 mm and / or at least one axis of movement in an angular range of more than 1 °, preferably of more than 5 ° and more preferably of more than 15 ° / has.
  • the quick-release device is mounted at least a large part in an inner region of a transmission housing unit of the portable power tool, wherein at least one assembly and / or a component of the quick-release device on an outer side of the gear housing unit of the portable power tool, in particular completely on an outer side of the gear housing unit of the portable power tool arranged can / can and / or at least partially protrude from the gear housing unit / can.
  • the quick-release device is intended to fix an insert tool unit on a, preferably designed as a hollow spindle, output shaft of the portable power tool and preferably rotatably support.
  • the quick-release device is provided for an advantageous tool-free fixation of the insert tool on the output shaft.
  • At least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95% of an outer shape, a surface of an outer shape, an outer contour, a mass are intended to mean by "at least a majority" and / or a volume of a structural unit and / or a component.
  • the clamping unit is disposed at least a major part in an inner region of the gear housing unit of the portable power tool.
  • the clamping unit has at least one clamping element, which is arranged at least partially in the output shaft.
  • the output shaft surrounds along a circumferential direction about an axis of rotation of the
  • Output shaft extends, the clamping element, in particular at least partially, in particular completely.
  • the clamping element is rotatably connected to the output shaft.
  • the clamping element is pivotally mounted about a pivot axis of the clamping element, in particular relative to the output shaft.
  • the pivot axis of the clamping element is transverse, in particular at least substantially perpendicular to a rotational axis of the output shaft.
  • the pivot axis of the clamping element is aligned at least substantially perpendicular to a movement axis of the clamping unit.
  • a “movement axis of the clamping unit” should in this case be understood to mean, 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 insert tool unit to the output shaft and / or along which a transmission element of the clamping unit causes movement
  • at least substantially vertical should be understood in particular an orientation of a direction relative to a reference direction, wherein the direction and the reference direction, in particular in a plane which extends parallel to the directions, a Include angle of at least approximately 90 ° and the angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • the clamping element is designed as a clamping jaw.
  • the at least one clamping element is provided, at least in a clamping position, to force the replacement tool unit against the clamping unit and / or the output shaft in a force-locking and / or positive-locking manner and / or to fix it.
  • Clamping element at least provided to fix the insert tool unit axially to the output shaft. At least in the clamping position, the clamping element preferably engages at least partially into the insert tool unit, in particular into a fixing recess of the insert tool unit. In addition, the clamping element is formed differently in one of the clamping position
  • Loughposition can be arranged, in which the replacement tool unit is free of a force by the clamping element and / or by the clamping unit.
  • the clamping unit comprises at least two movable, in particular pivotable, mounted clamping elements.
  • the clamping unit comprises at least two movable, in particular pivotable, mounted clamping elements.
  • 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 each other, in particular pivotable relative to each other, in particular about the pivot axis, stored.
  • the at least two clamping elements by means of the operating unit in a clamping position of the clamping elements and / or in a release position of the clamping elements can be transferred.
  • the at least two clamping elements are jointly transferable by means of the operating unit, in particular jointly in the clamping position and / or in the release position can be transferred, in particular movable.
  • the at least two clamping elements by means of the operating unit independently of one another in the clamping position and / or in the release position can be transferred.
  • the clamping unit is at least in an operating state, in particular to a transfer of the clamping unit from the clamping position to the release position non-positively and / or positively connected to the control unit.
  • the clamping unit can contact the operating unit.
  • the clamping unit is at least in the release position with the control unit non-positively and / or positively connected, wherein the clamping unit additionally in the
  • the operating unit has at least one actuating element, which can preferably be designed as a cylinder, as a bolt, as a cuboid, as a rod, as a ball and / or as an expert appearing appropriate to the skilled actuator.
  • the actuating element is arranged at least a large part in an inner region of the transmission housing unit.
  • the actuating element along a circumferential direction of the actuating element of the output shaft along a circumferential direction which extends about an axis of rotation of the output shaft, at least partially, advantageously completely encompassed.
  • the actuating element can be connected by means of a guide recess and / or a groove with corresponding groove projections of the output shaft.
  • the operating unit may have at least one further actuating element, which may be constructed at least partially identical in construction and / or different from the actuating element.
  • the actuating element has at least one main extension direction, which is aligned at least substantially parallel to the axis of rotation of the output shaft.
  • the actuating element has at least one movement axis, which is at least essentially and preferred is arranged completely parallel to the axis of rotation of the output shaft.
  • the actuating element is provided by means of a translational movement parallel to the movement direction to transmit an operator force exerted by an operator on the operating element of the operating unit to the clamping unit and to effect at least one transfer of the clamping unit from the clamping position to the release position.
  • At least substantially parallel should in particular be understood an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction a deviation in particular less than 8 °, advantageously less than 5 ° and especially advantageously less than 2 °.
  • the operating element in at least one operating state of the quick-release device, in particular for moving the clamping unit from the clamping position to the release position, at least contacted with the actuating element and advantageously non-positively and / or positively connected.
  • the operating element is advantageously positively and / or positively connected to the actuating element at least in the release position.
  • the operating element is provided for an operator force applied to the operating unit, in particular for the operating element, and / or a torque acted upon by an operator on the operating unit, in particular on the operating element, on the actuating element to transfer the tensioning unit from the clamping position to transfer to the release position.
  • the operating element is arranged at least a large part on an outer side of the Getriebege- housing unit, wherein a contact region between the operating element and the actuating element is at least partially disposed in an inner region of the gear unit.
  • the contact region between the operating element and the actuating element is mounted on an outer side of the transmission housing unit, wherein the actuating element is consequently arranged at least partially in the outer region of the transmission housing unit.
  • the operating element is designed as a force transmission component and / or as a torque transmission component and provided for actuation by means of an operator hand, wherein the operating element at least one operating position and at least one of the operating position at least partially different and / or separately formed further operating Position has.
  • At least the operating position of the operating element of the clamping position of the clamping unit and the further operating position of the release position of the clamping unit can be assigned.
  • an operating position by means of a movement of the operating element at least substantially continuously and / or discretely from the release position in the clamping position and / or from the clamping position in the release position of the clamping unit can be transferred.
  • an at least substantially continuous movement of the operating element provides a plurality of operating positions of the operating element, which are arranged between an operating position that can be assigned to the clamping position and a further operating position that can be assigned to the release position, and the
  • Release position and / or the clamping position of the clamping unit can form at least partially.
  • the operating element is designed as a rotary toggle or as a rotary lever and has at least one movement axis extending at least substantially parallel to the movement axis of the clamping unit.
  • at least the operating element embodied as a rotary lever or as a rotary knob has at least one movement axis about which the operating element is at least partly pivotally and / or rotatably mounted, wherein the rotational movement of the operating element preferably additionally at least a translational movement of the operating element relative to the axis of movement effected substantially parallel to the axis of movement of the clamping unit.
  • a center of the operating element which is arranged on the movement axis of the operating element, by means of the rotational movement translationally parallel to the axis of movement of the clamping unit.
  • the control element can also be used as a rotary knob, as a rotary knob. Knob and / or be designed as a professional as meaningful apparent control.
  • the operating element is supported by at least 10 °, advantageously by at least 40 ° and preferably by at least 70 ° and particularly advantageously by at least 90 ° rotatable about the axis of movement of the operating element.
  • the operating element is rotatably mounted at least 90 °.
  • the operating element is advantageously rotatably mounted at most 360 °, preferably at the highest 270 ° and particularly preferably at least 180 °.
  • the control element is rotatably mounted by a value of more than 360 ° and / or by a multiple of 360 °.
  • the clamping unit can be transferred from the release position into the clamping position or from the clamping position into the release position.
  • the embodiment according to the invention makes it possible to achieve a direct transmission of force parallel to the axis of movement of the clamping unit, wherein power losses can be kept low.
  • an additional torque can be generated by a rotational movement of the operating unit, whereby a force required to form the clamping position can be kept low.
  • the operating unit has at least one operating gear unit, in particular a rack gear unit, a cam gear unit and / or a toggle gear unit, which is intended to cooperate with the operating element.
  • the operating gear unit is at least partially non-positively and / or positively connected to the operating unit and particularly preferably formed at least partially in one piece.
  • at least one component of the operating gear unit is formed integrally with the operating element and / or with the actuating element.
  • At least partially in one piece is to be understood in this context in particular that at least one component of at least one object and / or at least one first object is formed integrally with at least one component of at least one further object and / or integrally with at least one further object
  • In one piece is to 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 which appears expedient to a person skilled in the art, and / or advantageously shaped in one piece, for example by a production a casting and / or by a production in a one- or multi-component spraying method and advantageously from a single blank.
  • At least one operating gear unit is designed as a toggle mechanism unit, and comprises at least one toggle mechanism, and at least one toggle mechanism element, which is at least operatively connected to the operating element and / or the actuating element and / or non-positively and / or positively with the operating element and / or Actuator is connected.
  • the toggle joint has at least one toggle mechanism element, which is integrally connected to the operating element and / or the actuating element.
  • the toggle mechanism element as a preferably rotatably mounted about an axis of rotation of the toggle joint plane or round rod, as a slide guide recess and / or as a guide recess for at least partially non-positive and / or positive reception of at least one of the recess and / or the Guide recess corresponding guide pin, a guide tooth, a guide projection o.
  • the toggle mechanism unit has at least one further knee drive element, which is preferably rotatably connected to the knee drive element or, alternatively, can be non-positively and / or positively connected to the knee drive element.
  • At least one toggle mechanism element is at least partially non-positively and / or positively and advantageously integrally connected to the control element and in particular provided to transmit an operator force and / or a force exerted by an operator on the control element torque on the actuating element and / or the clamping unit.
  • At least one toggle mechanism element is preferably provided to at least contact the actuating element for transmission of an operator force and / or positively and / or positively, advantageously rotatably, to the actuating element and / or to a non-positively and / or positively connected or advantageously integrally formed with the actuating element rotary connecting bolt to be connected.
  • the operating gear unit may comprise at least one toothed rack transmission unit, which advantageously at least partially with the Actuating element and / or the operating element is at least non-positively and / or positively and advantageously integrally connected.
  • the rack and pinion gear unit has at least one first rack gear element, which is formed as a tooth profile with a plurality of tooth recesses and is arranged along the actuating element, wherein the tooth recesses are preferably arranged along the main extension direction of the actuating element.
  • the operating gear unit has at least one correlated with at least one tooth recess of the first rack gear element second rack gear element, which as a spike, as a pin, as a bolt and preferably as a tooth formed and advantageously resiliently connected to the control element and a non-positive and / or positive connection with at least one tooth recess of the first rack gear element is provided.
  • the second rack gear element is additionally translationally mounted, in particular along an at least substantially perpendicular to the axis of movement of the control element aligned translation axis and advantageously as a pawl, in particular as a pawl, o. The like.
  • the first rack gear element are integrally connected to the operating element and the second rack gear element at least non-positively and / or positively connected to the actuating element.
  • the operating gear unit may comprise at least one cam gear unit, which may be formed as a cam gear unit with a groove guide and / or a cam gear unit as a latching gear unit.
  • the cam gear unit is provided for transmitting a rotational force, in particular a torque, to the actuating element.
  • the cam gear unit comprises at least one advantageously designed as control element first cam gear element which is at least partially formed as a cylinder body and at least one cavity which is at least substantially asymmetrical to an axis of symmetry of the first cam element, in particular to the axis of movement of the operating element, is arranged.
  • the first cam gear member has at least one groove recess, which is one of an outer portion of the first cam gear element, a preferably radially penetrating into the cavity recess is formed.
  • the groove recess is formed in the circumferential direction along the circumference of the first cam gear element, wherein the groove groove may alternatively also have a thread-like alignment of the groove groove relative to the first cam gear element.
  • the groove recess is formed by at least 10 °, advantageously by at least 50 °, preferably by at least 90 ° and particularly preferably by at least 180 ° of a circumferential angle along the circumference of the first cam gear element.
  • the groove recess is formed by at most 350 °, advantageously by at most 300 °, preferably by at most 270 ° and particularly preferably by at most 210 ° of a circumferential angle along the circumference in a circumferential region of the first cam gear element. Most preferably, the groove recess is formed by at least 180 ° of a circumferential angle along the circumference, in particular along half a circumference, in a peripheral region of the first cam gear element. In particular, this indicates
  • Actuator on a second cam gear element which is corresponding to the first cam gear element, for example as a to the axis of movement of the operating element at least substantially parallel bolts formed, and provided for a positive and / or laxative connection with the first cam gear element.
  • the first cam gear element is advantageously rotatably mounted about a movement axis of the operating element, which is arranged at least substantially perpendicular to the axis of movement of the clamping unit. Consequently, the first cam gear element, in particular the cavity, achieves an eccentric rotation, wherein the second cam gear element and the actuating element are translationally movable along the movement axis of the tensioning unit.
  • the operating unit may have at least one further cam gear element, which is formed at least partially identical to the first or the second cam gear element.
  • a first Kurvengetrie- beelement formed as a substantially full body and having a groove recess in the form of a thread recess for a positive guidance of a second formed as a guide pin, guide projection and / or guide tooth cam gear element.
  • a movement axis of the first cam gear element to the movement axis of the clamping unit at least substantially parallel, in particular for training tion of a pivot lever, be formed.
  • the first cam gear element at least partially has an oval outer contour and causes a contacting of the first cam gear element with the second cam gear element and thus a translational movement of the cam element contacted with the actuating element.
  • the embodiment according to the invention makes it possible, in particular, to realize a particularly easy-to-operate and stable operating unit. Furthermore, a particularly efficient transmission of an operator force and / or a torque brought about by the operator on the operating unit can be achieved. In addition, a particularly material-saving control unit can be realized, which additionally material costs can be kept low.
  • the operating unit has at least one transfer element, in particular a curved path of a cam gear unit of the operating unit, which is intended to transfer a pivoting movement of the operating element about a movement axis of the operating element into a translational movement of the operating element along the movement axis of the operating element.
  • the transfer element is designed as a cylindrical transfer element and advantageously rotatably supported about the axis of movement of the operating element.
  • the transfer element along the circumference of the transfer element has a thread and / or a, in particular thread-shaped groove recess, which for a positive reception of a corresponding with the thread and / or Nutaussparung further thread formed on an inner wall of a control housing element of the control unit is, is provided.
  • a rotary and / or pivoting movement causes a movement of the operating element about the movement axis of the operating element a translational movement of the transfer element along the axis of movement of the clamping unit.
  • the operating unit in particular the inner wall of the control housing element, at least one corresponding to the thread and / or the groove recess thread, corresponding to the thread and / or the groove recess guide pin, a guide tooth, a guide projection and / or a person skilled in the art have useful appearing further cam gear element. Due to the configuration according to the invention can advantageously be an operation of the operating unit, can be realized with a particularly low effort, whereby a particularly easy and comfortable transfer of the clamping unit can be achieved in the release position.
  • the operating element has a movement axis that runs transversely to the movement axis of the clamping unit, wherein the operating element is mounted so as to be movable in translation along the movement axis.
  • a "movement axis which is aligned transversely to the direction of movement of the clamping unit” should be understood to mean that at least one, in particular essential, directional component of the movement axis of the operating element is aligned perpendicular to the movement axis of the clamping unit Sliding switch formed, which is mounted translationally movable by means of at least one guide element, wherein a sliding force of a
  • the operating unit has at least one further guide element.
  • the movement axis of the operating element is at least substantially perpendicular to the axis of movement of the
  • Is aligned clamping unit Due to the configuration of the invention can be advantageously realized a particularly simple operation of the control, whereby a particularly rapid assembly of an insert tool can be achieved. In addition, a particularly space-saving operating element can be realized.
  • the operating element is designed as a push button.
  • the operating element is intended to transmit to the actuating element and / or the clamping unit a force exerted by the operator, at least substantially vertically, in particular at least essentially parallel to the axis of movement of the clamping unit, on the operating element, in particular a compressive force.
  • the operating element advantageously has at least one contact pin, which is arranged at least to a large extent in an inner region of the transmission housing unit and at least non-positively and / or positively and preferably partially in one piece with the push button connected is.
  • the contact pin is provided to be contacted at least in an operating state to a movement of the clamping unit from the clamping position to the release position and to transmit the operator force to the actuating element and / or the clamping unit.
  • at least the push button to provide a restoring force by means of a preferably resilient return element stored.
  • the push button is formed of a plastic, wherein it is also conceivable to form the push button at least partially made of a metal.
  • the inventive design can advantageously be achieved by the operator on the clamping unit direct power transmission, whereby a force required to form the release position can be kept low.
  • a particularly space-saving and / or material-saving operating element can be achieved.
  • the operating element has a movement axis which is at least substantially parallel to the movement axis of the
  • Clamping unit runs.
  • the movement axis is completely parallel to the axis of movement of the clamping unit.
  • the operating element and the actuating element form a contact region, via which the pressure force of the operator can be transmitted to the actuating element.
  • the operating element can be designed as a pressure lever, wherein the
  • Pressure lever is rotatably mounted and at least one eccentrically mounted on the control element contact pin to a transmission of a compressive force has on the actuating element.
  • the operating element may have a movement axis which has an angle with the movement axis of the clamping unit, wherein the movement axis of the operating element and the
  • Motion axis of the clamping unit may be at least substantially perpendicular to each other or may include an obtuse angle. In this case, it is conceivable to effect a transmission of an operator force from the operating element to the actuating element by means of a transfer element.
  • the inventive design can be a direct
  • Power transmission can be achieved by the operating element on the actuating element, whereby a force required to form the release position and additionally a material wear can be kept low.
  • the operating element is designed as a toggle switch and has a movement axis which runs at least substantially perpendicular to the movement axis of the clamping unit.
  • the operating element has at least two switch positions, wherein the operating element forms a first switch position for forming the clamping position and at least one second switch position for forming the release position of the clamping position.
  • the first switch position is adjustable by actuation of a first end of the operating element and the second switch position by actuation of an end opposite the first end of the operating element.
  • the first switch position and the at least second switch position are adjustable by a rotational and / or tilting movement of the operating element designed as a toggle switch, wherein the operating element is advantageously rotatably mounted about a movement axis arranged at least substantially perpendicularly to the movement axis of the tensioning unit.
  • the operating element may have at least one color illumination, whereby a usability of the portable power tool in dependence on the switch position in color, for example by a red or green illumination, can be displayed.
  • the operating unit has an electronic, in particular designed as a touch display, control element, wherein a translation of the actuating element and / or the
  • Clamping unit electronically by means of an electromagnetic field and / or by means of an electric motor is effected.
  • the embodiment of the invention a particularly simple and intuitive control with a direct power transmission can be realized, which also has a particularly low material wear and a long life.
  • the operating element on a side facing the clamping unit has at least one actuating area for transmitting an actuating force to the clamping unit, which is inclined relative to a movement axis of the operating element, in particular as an inclined plane.
  • the actuating region forms a plane which has at least one component which is inclined along the movement axis of the clamping unit to the movement axis of the operating element and advantageously encloses an acute angle with the movement axis of the operating element.
  • the movement axis of the operating element closes with the at least a component of the operating region in an axis of movement of the operating element at an acute angle.
  • the actuating region forms at least a transmission of an operator force to the actuating element for forming the release position of the clamping unit a contact area with the actuating element.
  • the actuating element for forming an at least substantially frictionless contact region between the operating element and the actuating element at least one preferably dynamically, in particular rotatably mounted guide element, such as a roll cylinder, a rolling wheel, a
  • Ball and / or a professional appearing to be useful guide element on a side facing the operating element of the actuating element. Due to the configuration according to the invention, a particularly simple transmission of an operator force to the clamping unit can be achieved, whereby advantageously a manufacturing outlay and consequently a manufacturing cost of the operating unit can be kept low.
  • the quick-release device has at least one holding unit which has at least one positive-locking element and / or one magnetic element for holding the operating element in at least one movement position of the operating element.
  • the holding unit is provided to fix the operating element at least in the clamping position and / or in the release position of the clamping unit by means of the positive locking element and / or the magnetic element, wherein the holding unit is advantageously at least non-positively and / or positively connected to the transmission housing unit.
  • the holding unit is at least partially connected in one piece with the transmission housing unit.
  • the interlocking element is advantageously at least partially made of an elastic material and provided to surround the operating element to a fixing at least partially and preferably at least a large part. Preferably, this has
  • Positive locking element has an at least partially U-shaped cross-section with at least one the operating element at least partially encompassing form-locking leg.
  • the positive-locking element has a second formed analogous to the form-fitting leg and arranged on the opposite side of the positive-locking element to the positive-locking limb Form-fitting leg, which at least partially surrounds the operating element to a fixation.
  • the positive-locking element in particular the form-locking leg, forms at least one latching connection with a latching recess of the operating element.
  • a form-locking element can be designed as a closable ring and / or claw that is form-fittingly at least partially and advantageously completely encompassing the control element and that has a cross-section that is at least partially different from a U-shaped cross section.
  • the holding unit may have a magnetic element which is non-positively and / or positively connected to the Getriebegepur- seech and provided to fix at least one at least partially made of a particular ferromagnetic material operating element by means of a magnetic force. It is also conceivable that the holding unit has at least one positive locking element and at least one magnetic element for increased fixing.
  • a safety of the quick-release device can be held up and an involuntary operation of the operating element can be prevented.
  • a particularly comfortable operation of the portable power tool can be achieved by the particular space-saving fixation of the control.
  • the holding unit has at least one locking element designed as a retaining element, which is acted upon by means of a retaining spring element of the holding unit with a spring force.
  • the retaining element is at least non-positively and / or positively connected to the Getriebegepurein- unit and provided to a control element at least in the
  • the retaining element is at least partially integrally connected to the positive-locking element.
  • the holding element has at least one latching recess and / or a latching element, which is provided for a latching connection with a further latching nose and / or latching recess of the operating element which corresponds to the latching recess and / or the latching element of the holding element.
  • the holding element is designed as a latching pawl and / or as a restoring detent element, and has at least one resilient element, in particular a return spring, which is provided to apply a spring force to the holding element during a latching connection.
  • the holding element may comprise a tilting element, in particular a tilting hook, a tilting projection and / or a tilting region, which is provided for releasable tilting connection with a corresponding tilting element of the operating element. Due to the inventive design, a particularly easy-to-use, safe and space-saving fixation of the control element can be achieved.
  • the quick-release device at least one
  • Damping unit to a damping of a return movement of the control element has.
  • the damping unit is provided to prevent a return movement in the solution of the clamping position of the clamping unit a sudden movement of the control element and / or the actuating element.
  • the damping unit is provided to provide a return force opposite force to an at least partial compensation of the restoring force.
  • the damping unit is at least partially non-positively and / or positively connected to the holding unit and / or the gear housing unit and arranged at least in the vicinity of the holding unit.
  • the damping unit in particular the damping unit introduced above, is designed as a loop spring brake.
  • the damping unit comprises a wrap spring element, which may be formed, for example, as an at least partially metallic wire and / or cable and at least one turn and advantageously at least one further turn around a brake body and is provided, with an expansion of the wrap spring element by means of a spring force of the wrap spring element at least exert a frictional force on the brake body, wherein a distensibility of the wrap spring element by the friction force is reducible.
  • the wrap spring element is at least non-positively and / or positively connected to the control element at one end of the wrap spring element and at the other, the first end opposite end of the wrap spring element at least non-positively and / or positively connected to the holding unit and / or with the gear housing unit.
  • the embodiment according to the invention makes it possible to provide a particularly simple damping unit, it being possible to achieve a particularly space-saving arrangement of the damping unit.
  • a portable machine tool, in particular angle grinder proposed with at least one quick-release device according to one of the preceding claims.
  • 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.
  • the portable machine tool is embodied 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 a circular saw machine, as a grinding machine o
  • the quick-release device is arranged on the output shaft,
  • the quick-action clamping device is arranged at least partially in the output shaft formed shaft as a hollow shaft.
  • the portable power tool together with an insert tool unit forms a machine tool system.
  • the embodiment according to the invention can advantageously be realized without tools assembly of an insert tool unit and consequently a high level of comfort, and advantageously for the formation of the release position, a loss of a user-induced operator force can be kept low.
  • a safe and very comfortable movement between the clamping position and the release position can be achieved, which in addition a particularly secure fixation and / or solution 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.
  • the quick-release device according to the invention and / or the portable power tool according to the invention may have a number deviating from a number of individual elements, components and units and method steps mentioned herein for fulfilling a function described herein.
  • Fig. La a portable power tool with an inventive
  • Fig. Lb is a sectional view of the portable power tool of Figure la with the quick-release device in a schematic
  • FIG. 2 shows a control unit according to the invention of a quick release device according to the invention in a perspective partial view
  • Fig. 3 shows another embodiment of an inventive
  • FIG. 4 shows another embodiment of an inventive
  • Fig. 5 shows another embodiment of an inventive
  • Fig. 6 shows another embodiment of an inventive
  • Toggle gear unit in a highly simplified, lateral partial representation
  • Fig. 7 shows another embodiment of an inventive
  • Fig. 8 shows another embodiment of an inventive
  • Fig. 9 shows a further embodiment of an inventive
  • Control unit with a control element which is a crooked
  • FIG. 11 shows a further embodiment of an inventive
  • Fig. 12 shows another embodiment of an inventive
  • Fig. 13 shows another embodiment of an inventive
  • Operating unit with a control element designed as a pivoting lever in a lateral representation shows a further embodiment of an operating unit according to the invention with a control element designed as a pull handle in a partial side view
  • Fig. 16 shows another embodiment of a holding unit with a
  • Fig. 17 shows another embodiment of a holding unit with a
  • Fig. 18 is a trained as a wrap spring damping unit in a perspective partial view.
  • FIG. 1 a shows a portable machine tool 60 a designed as an angle grinder with a quick-release device 10 a.
  • the portable power tool 60a has another, to a skilled person appear appropriate design, such as a configuration as a circular saw machine, as a grinding machine o.
  • the portable power tool 60a includes a gear housing unit 58a for receiving and / or storage a power tool transmission unit 40a of the portable power tool 60a.
  • the gear housing unit 58a is preferably formed of a metallic material.
  • the gear housing unit 58a is formed completely, in large part or at least partially made of plastic and / or from another material that appears appropriate to a person skilled in the art.
  • the power tool transmission unit 40a is preferably designed as an angle gear.
  • the machine tool transmission unit 40a comprises in particular a rotationally drivable output shaft 16a, on which an insert tool unit 14a can be fixed, in particular by means of the quick-action clamping device 10a.
  • the output shaft 16a is preferably designed as a hollow spindle in which the quick-action clamping device 10a is arranged at least partially (cf., FIG. 1b).
  • On the gear housing unit 58a 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 60a comprises a drive housing unit 64a for receiving and / or positioning tion of a drive unit 66a of the portable power tool 60a.
  • the drive unit 66a is preferably provided in a manner already known to a person skilled in the art to rotate the output shaft 16a by means of a cooperation with the machine tool transmission unit 40a about a rotation axis 62a of the output shaft 16a.
  • Output shaft 16a extends at least substantially perpendicular to a drive axis 68a of the drive unit 66a.
  • the drive unit 66a is preferably designed as an electric motor unit. However, it is also conceivable for the drive unit 66a to have another configuration that appears expedient to a person skilled in the art, such as an embodiment as a combustion drive unit, as a hybrid drive unit, as a pneumatic drive unit or the like.
  • FIG. 1b shows a sectional view of the portable power tool 60a, in particular in the area of the power tool transmission unit 40a, and the quick-action clamping device 10a.
  • the power-tool transmission unit 40a and the quick-action clamping device 10a are for the most part arranged in an inner region of the transmission housing unit 58a.
  • the quick-release device 10a for the at least the rotatably driven output shaft 16a having portable power tool 60a comprises at least one clamping unit 12a, which leads to a tool-free fixation of the insert tool unit 14a on the output shaft
  • the quick-release device 10a comprises at least one operating unit 24a for moving the clamping element 20a, 22a into the clamping position and / or into a release position of the clamping element 20a, 22a, in which the insert tool unit 14a can be removed from the clamping unit 12a and / or the output shaft 16a is.
  • the clamping unit 12a is mounted in translation along a movement axis 18a of the clamping unit 12a.
  • the clamping unit 12a comprises at least two movably mounted clamping elements 20a, 22a.
  • the clamping unit 12a comprises one of two different number of clamping elements 20a, 22a.
  • the at least two clamping elements 20a, 22a have an at least substantially analogous configuration, so that features which are disclosed for one of the clamping elements 20a, 22a can also be regarded as being open for the further clamping element 20a, 22a.
  • the at least two clamping elements 20a, 22a are pivotally mounted about a pivot axis 70a.
  • the pivot axis 70a of the at least two clamping elements 20a, 22a runs at least substantially perpendicular to the axis of movement 18a of the clamping unit 12a.
  • the at least two clamping elements 20a, 22a are provided to arrange the insert tool unit 14a in a clamping unit 12a and / or the output shaft 16a
  • the at least two clamping elements 20a, 22a are non-rotatably connected to the output shaft 16a.
  • the at least two clamping elements 20a, 22a are drivable in rotation about the rotation axis 62a together with the output shaft 16a.
  • the tensioning unit 12a comprises at least one rotary driving element 72a for transmitting torque to the insert tool unit 14a.
  • the rotary drive element 72a engages in a state arranged on the clamping unit 12a and / or the drive shaft 16a of the insert tool unit 14a
  • Receiving recess (not shown here) of the insert tool unit 14a is for torque transmission to at least one of the receiving recess bounding edge of the insert tool unit 14a.
  • a torque transmission between the output shaft 16a and the insert tool unit 14a arranged on the clamping unit 12a and / or the output shaft 16a preferably takes place in a manner already known to a person skilled in the art by means of a positive connection between the rotational drive element 72a and the insert tool unit 14a.
  • the rotational drive element 72a is non-rotatably arranged on the output shaft 16a.
  • the rotary driving element 72a is drivable in rotation about the rotation axis 62a together with the output shaft 16a.
  • the operating unit 24a is preferably provided to move the clamping element 20a, 22a, in particular the at least two clamping elements 20a, 22a, at least into the release position, in which the insert tool unit 14a of the
  • Clamping unit 12a and / or the output shaft 16a is removable.
  • the operating unit 24a is provided to move the clamping element 20a, 22a, in particular the at least two clamping elements 20a, 22a, at least into the clamping position, in which the werkschwmaschineei- beauty 14a means of the clamping unit 12a on the Output shaft 16a is fixable.
  • the Operating unit 24a preferably comprises at least one operating element 26a that can be actuated by an operator.
  • the control element 26a is formed in the illustrated embodiment of the prior art as a control lever.
  • the operating element 26a comprises a movement axis 28a, which in the exemplary embodiment shown is designed as a further pivot axis and / or rotation axis of the operating element 26a and is oriented transversely, in particular at least substantially perpendicular, to the rotation axis 62a of the output shaft 16a.
  • the operating element 26a is preferably mounted rotatably about the movement axis 28a.
  • the operating element 26a is decoupled from a rotational movement of the output shaft 16a.
  • the operating element 26a is provided for actuating an actuating element 74a.
  • the operating unit 24a comprises the actuating element 74a.
  • the actuating element 74a is mounted translationally along the movement axis 18a of the clamping unit 12a.
  • the actuator 74a is at least partially as a
  • Cylinder body formed with an at least substantially circular cross-section wherein the actuating element 74a may alternatively or additionally at least partially of a circular cross-section differently shaped cross-section, for example, a square, rectangular and / or polygonal cross-section.
  • the actuating element 74a is at least partially made of metal, wherein the actuating element 74a may be at least partially made of a plastic and / or a material that appears expedient to the person skilled in the art.
  • the actuator 74a is fixed against rotation relative to the gear housing unit 58a in the gear housing unit 58a, in particular due to at least a lateral flattening of the actuator 74a, which allows axial movement and prevents rotational movement.
  • a sealing element 84a such as a rubber seal or the like, is preferably arranged on the gear housing unit 58a in order, at least to a large extent, to prevent dirt from entering the gearbox unit 58a and / or the clamping unit 12a.
  • the operating element 26a is provided by means of the operator force to move the clamping unit 12a along the movement axis 18a of the clamping unit 12a and to form a release position of the clamping unit 12a.
  • the operating unit 24a comprises an operating gear unit 30a.
  • the operating gear unit 30a is at least partially disposed in an inner area of the gear housing unit 58a of the portable power tool 60a.
  • the operating gear unit 30a is provided to effect a contacting of the operating element 26a with the actuating element 74a by means of at least one operating gear element.
  • the operating gear unit 30a is provided to divert a transmission of an operator force by means of an operating gear joint.
  • the operating gear unit 30a can have at least one toggle-type gear unit, a rack-and-pinion transmission unit, a cam gear unit and / or another gear unit which appears expedient to the person skilled in the art.
  • the operating unit 24a comprises at least one decoupling element 76a which can be brought into contact with the actuating element 74a by means of a non-positive connection or is in contact with the actuating element 74a.
  • Decoupling element 76a is preferably movably mounted in translation along the axis of rotation 62a.
  • the decoupling element 76a in particular comprises a conical connection region which at least partially engages in a recess of the actuating element 74a.
  • a frictional action between the actuating element 74a and the decoupling element 76a is dependent in particular on an embodiment of the conical connecting region and a spring force of a decoupling spring element 80a of the operating unit 24a.
  • the decoupling spring element 80a is provided to apply the decoupling element 76a with a spring force in the direction of the actuating element 74a.
  • the decoupling spring element 80a is arranged in a transmission element 78a of the tensioning unit 12a designed as a tensioning fork.
  • the transmission element 78a is non-rotatably connected to the output shaft 16a.
  • the transmission element 78a is translationally movable along a movement axis 18a of the tensioning unit 12a and is movably supported in the output shaft 16a.
  • the transmission element 78a can be acted upon by a spring force at least by means of a tension spring element 86a of the tensioning unit 12a along the movement axis 18a, in particular in the direction of the operating unit 24a.
  • the operating unit 24a has at least one connecting element 88a, which is provided for the decoupling element 76a and the transmission element ment 78a motion technically connect to each other, in particular at least in a state of the output shaft 16a at a low speed or at a standstill of the output shaft 16a.
  • the connecting element 88a is designed as a bolt.
  • the connecting element 88a is fixed to the decoupling element 76a.
  • the connecting element 88a is movable together with the decoupling element 76a.
  • the decoupling element 76a and the connecting element 88a is rotatable due to braking by actuation of the actuating element 74a relative to the transmission element 78a, wherein the connecting element 88a is movable in a guide slot, not shown here, of the transmission element 78a such that the decoupling element 76a against a spring force of the decoupling spring element 80a in a guide recess (not shown here) of the transmission element 78a is movable.
  • An actuation of the operating element 26a during a rotational movement of the output shaft 16a can be converted into a movement of the actuating element 74a and the decoupling element 76a relative to the transmission element 78a.
  • a movement of the transmission element 78a as a result of an action of an operator force by means of the operating unit 24a to a movement of the clamping element 20a, 22a, in particular the clamping elements 20a, 22a, starting from the clamping position in the release position during a rotational movement of the output shaft 16a is largely suppressed.
  • the transfer element 78a is provided to transfer the clamping element 20a, 22a, in particular the clamping elements 20a, 22a, starting from the clamping position into the release position, in particular to move.
  • the clamping element 20a, 22a, in particular the clamping elements 20a, 22a, is / are movable, in particular pivotally mounted on the output shaft 16a, in particular in the output shaft 16a.
  • the tensioning element 20a, 22a in particular the tensioning elements 20a, 22a, has / have at least one link element 90a, which is intended to interact with a link engagement element.
  • the link engagement element is fixed to the transmission element 78a.
  • the clamping element 20a, 22a in particular the clamping elements 20a, 22a, movable from the clamping position to the release position or movable from the release position to the clamping position.
  • the tensioning element 20a, 22a in particular the tensioning elements 20a, 22a, is / are in particular mit- Tels an action of a spring force of the tension spring element 86a on the transmission element 78a starting from the release position in the clamping position can be transferred.
  • the clamping element 20a, 22a, in particular the clamping elements 20a, 22a, is / are automatically, in particular after removal of an action of an operator force on the operating unit 24a, due to an action of a spring force of the tension spring element 86a movable into the clamping position.
  • the quick-action clamping device 10a comprises at least one securing unit 92a, in particular a self-locking unit and / or a latching unit, which is provided, at least when exposed to a decoupled from the control unit 24a and in the direction of the release position of the clamping element 20a, 22a, in particular the clamping elements 20a, 22a , acting force on the clamping element 20a, 22a, in particular on the clamping elements 20a, 22a, a movement of the clamping element 20a, 22a, in particular the clamping elements 20a, 22a, starting from the clamping position in the release position of the clamping element 20a, 22a, in particular the Clamping elements 20a, 22a, to prevent.
  • FIG. 2 shows a part of an operating unit 24b of a quick-release device 10b according to the invention in a perspective view.
  • Quick-release device 10b is at least a major part in an interior rich arranged here only partially shown gear housing unit 58b.
  • the operating unit 24b has at least one operating element 26b.
  • the operating element 26b is arranged on an outer side of the transmission housing unit 58b.
  • the operating element 26b is designed as a toggle switch.
  • the operating element 26b is at least substantially made of plastic.
  • the operating element 26b may be at least partially made of metal or of a different material that appears appropriate to one skilled in the art.
  • the operating unit 24b can have a protective element which is designed as a preferably flexible protective cover and at least partially surrounds the operating element 26b.
  • the operating element 26b has a movement axis 28b, which is designed as a rotation axis and / or tilting axis.
  • the movement axis 28b of the operating element 26b is arranged at least substantially perpendicular to a movement axis 18b of a clamping unit (not shown here) (see FIG. 1b) of the quick-release device 10b.
  • the operating element 26b has a first end region 102b and a second end region 104b opposite the first end region 102b along the operating element 26b.
  • the end regions 102b, 104b are arranged tiltable about the movement axis 28b.
  • the end regions 102b, 104b are provided by means of a tilt by an operator force acting on one of the end regions 102b, 104b to form two switch positions 106b, 108b, in particular a first switch position 106b and at least one second switch position 108b.
  • the operating element 26b is provided for transmitting an operator force to an actuating element (not shown here).
  • the operating element 26b is provided by means of the operator force to form the release position of the clamping unit.
  • designed as a toggle switch control element 26b at least one contact element not shown here.
  • the contact element is formed at least a major part of plastic. Alternatively, the contact element may be at least partially or entirely made of rubber.
  • the contact element is intended to provide an operator force on an actuating element, not shown here. element to a training of at least the release position of the clamping unit (see Figure lb) to transmit.
  • the operating element 26b is provided to form a clamping position of the clamping unit.
  • the contact element is advantageously not contacted with the actuating element 74b.
  • the contact element may be contacted with the actuating element 74b.
  • the first switch position 106b may be provided for forming the clamping position of the clamping unit and the second switch position 108b for forming the release position.
  • Control element 26b further switch positions 106b, 108b have.
  • FIG. 3 shows a part of an operating unit 24c according to the invention of a quick-release device 10c according to the invention in a perspective partial delta position.
  • the operating unit 24c has at least one operating element 26c.
  • Control element 26c is designed as a rotary lever.
  • the operating element 26c is preferably formed at least to a large extent of metal, for example of aluminum.
  • the operating element 26c may be formed from a plastic and / or from a material that appears useful to a person skilled in the art.
  • the operating element 26c has at least one movement axis 28c.
  • the operating element 26c is rotatably mounted about the movement axis 28c of the operating element 26c.
  • the movement axis 28c of the operating element 26c is aligned at least substantially parallel to a movement axis 18c of a clamping unit, not shown here (see FIG.
  • the control element 26c is rotatably mounted at least 90 °.
  • the operating element 26c is rotatably mounted at least 180 ° or at least 360 °.
  • the operating unit 24c also has an operating housing element 110c.
  • the operating housing element 110c has an at least substantially cylindrical outer contour.
  • the operating housing element 110c is provided to at least partially enclose and / or guide the operating element 26c during operation by an operator.
  • the operating Housing element 110c at least substantially made of metal.
  • the control housing element 110c can also be made of plastic and / or of a material that appears expedient to the person skilled in the art.
  • the operating housing element 110c has at least one recess 112c.
  • the recess 112c is at least a guide of the
  • the recess 112c in particular forms a link to a guide of the operating element 26c.
  • the operating unit 24c comprises an operating gear unit 30c.
  • the operation gear unit 30c is disposed inside the operation housing member 110c.
  • Operating gear unit 30c is at least partially non-positively and / or positively connected to the control element 26c.
  • the operating gear unit 30c is at least partially designed as a cam gear unit.
  • the operating gear unit 30c has a first cam gear element 136c.
  • the first cam gear member 136c is preferably formed as a solid cylinder.
  • An outer contour of the first cam gear element 136c preferably corresponds to an inner contour of the operating housing element 110c.
  • the first cam gear element 136c has a thread-shaped groove recess (not shown here) along the cylinder jacket-shaped outer contour.
  • the thread-shaped groove recess is formed in a peripheral region of the operating gear unit 30c, which corresponds to a maximum rotational movement of the operating element 26c.
  • the groove recess is advantageously arranged in a peripheral region of the first cam gear element 136c, which corresponds to a circumferential angle of at least 90 °.
  • the operating gear unit 30c has a second cam gear element (not shown here). The second cam gear element (not shown here). The second cam gear element (not shown here).
  • Cam mechanism element is intended to be guided positively in the groove recess.
  • the second cam gear element can be configured as a guide pin, as a guide pin, as a guide tooth, as a guide projection and / or as a second cam gear element which appears expedient to the person skilled in the art.
  • the operation gear unit 30 c is rotatable about the
  • the operating gear unit 30c is at least non-positively and / or positively connected to the operating element 26c.
  • a rotational movement of the operating element 26c about the movement axis 28c causes a pivoting movement of the operating gear unit 30c about the movement axis 28c of the operating element 26c.
  • a rotary movement of the operating The element 26c about the movement axis 28c also causes a translation movement of the operating gear unit 30c parallel to the movement axis 18c of the tensioning unit (see FIG. 1b).
  • the operating unit 24c has at least one transfer element 32c.
  • the transfer member 32c is disposed inside the operation housing member 110c.
  • the transfer member 32c is pivotally disposed about the movement axis 28c.
  • the transfer element 32c is mounted at least 90 ° pivotably about the movement axis 28c.
  • an outer contour of the transfer element 32c corresponds to an inner contour of the operating housing element 110c.
  • the transfer element 32c is non-positively and / or positively formed with the operating element 26c.
  • the transfer element 32c is at least partially formed integrally with the operating element 26c.
  • the transfer element 32c is non-positively and / or positively formed with the first cam gear element 136c.
  • the transfer element 32c is formed at least partially in one piece with the first cam gear element 136c. Particularly advantageously, the transfer element 32c is formed by the first cam gear element 136c.
  • the transfer element 32c is intended to convert a pivoting movement of the operating element 26c about the movement axis 28c of the operating element 26c into a translatory movement of the operating element 26c along the movement axis 28c of the operating element 26c.
  • the quick-release device 10c comprises a holding unit 46c.
  • Holding unit 46c is disposed within the operating housing member 110c.
  • the holding unit 46c is provided to fix a position, in particular an operating position of the operating element 26c.
  • the holding unit 46c is provided to fix a release position and / or a clamping position of the clamping unit.
  • the holding unit 46c comprises at least one holding element
  • the holding element is designed as a latching element.
  • the holding element can be designed, for example, as a latching nose and / or as a pin, which has a latching connection with a corresponding latching recess and / or latching recess, for example at one end of the thread-shaped slot recess of the operating gear unit 30c.
  • the Holding unit 46c also includes at least one retaining spring element 54c.
  • the retaining spring element 54c is advantageously designed as a resilient element.
  • the retaining spring element 54c is formed as a helical return spring.
  • the retaining spring element 54c has two ends, which are at least non-positively and / or positively connected to the operating unit 24c.
  • the retaining spring member 54c is disposed between the operating member 26c and at least one surface of the gear housing unit 58c.
  • the retaining spring element 54c advantageously surrounds the operating gear unit 30c at least to a large extent.
  • the holding spring element 54c is provided in at least one operating state, in particular in a release position of the clamping unit, to act on the operating element with a spring force.
  • the retaining spring element 54c is provided to act on the retaining element with a spring force.
  • the holding spring element 54c is additionally provided to apply a spring force to the operating element 26c in at least one operating state, in particular in a release position of the clamping unit, in particular which presses the operating element 26c in the direction of a clamping position.
  • FIG. 4 shows an operating unit 24d with the operating element 26d in a perspective partial view.
  • the operating element 26d is designed as a rotary knob.
  • the operating element 26d as a knob and / or
  • the operating element 26d is arranged on an outer side of a transmission housing unit 58d.
  • the operating element 26d has a movement axis 28d.
  • the movement axis 28d of the operating element 26d is at least substantially parallel to a movement axis 18d of a clamping unit (not shown here) (see FIG.
  • the movement axis 28d is formed as a rotation axis.
  • the operating element 26d is rotatably mounted about the movement axis 28d.
  • the operating element 26d has at least one contact element (not shown here).
  • the contact element is provided for a rotational movement of the operating element 26d about the movement axis 28d of the operating element 26d an actuating element not shown here
  • the contact element is provided, by means of a transmission of the operator force, a translational movement of the actuating element along the movement axis 28d of the operating element 26d and in particular along the movement axis 18d of the clamping unit to effect.
  • the contact element may have a wedge-shaped and / or at least partially rounded contour and / or a contour which appears expedient to the person skilled in the art for forming the contact area.
  • FIG. 5 shows a control element 26e according to the invention of an operating unit 24e according to the invention in a greatly simplified, lateral partial representation.
  • the operating element 26e is designed essentially as a pivoting lever.
  • the operating element 26e is rotatably mounted about a movement axis 28e.
  • Operating unit 24e has a pivot 1 16e of the operating element 26e.
  • the operating element 26e is mounted rotatably about a movement axis 28e by means of the rotary joint 16e.
  • the movement axis 28e is aligned essentially perpendicular to the movement axis 18e of a tensioning unit, not shown here (see FIG.
  • the operating member 26e is rotatably supported relative to a transmission housing unit (not shown).
  • the movement axis 28e is fixed in position relative to a transmission housing unit.
  • the operating unit 24e has at least one actuating element 74e.
  • the operating element 26e is mounted rotatably relative to the actuating element 74e about the movement axis 28e.
  • the actuating element 74e is provided for a translatory movement along the movement axis 18e of the clamping unit (see FIG.
  • the actuator 74e is translationally mounted relative to the movement axis 28e movable.
  • the operating unit 24e has an operating gear unit 30e.
  • the operating gear unit 30e is formed as a toggle gear unit.
  • the operating gear unit 30e has at least one first toggle mechanism element 1 18e.
  • the first toggle mechanism element 1 18e is designed as a sliding guide.
  • the first toggle mechanism element 1 18e is formed in a contact region 38e of the control element 26e.
  • the first toggle mechanism element 1 18e has an at least substantially linear shape.
  • the first toggle mechanism element 1 18e has a longitudinal extension direction 1 14e.
  • the first toggle mechanism element 1 18e may be bent and / or have a circular path, wherein in addition an end region of the first toggle lever transmission Be element 1 18e may be inclined to the first toggle mechanism element 1 18e, for example, to form a fixation of the toggle mechanism unit.
  • the first toggle mechanism element 1 18e is formed in the operating element 26e in such a way that a first distance 94e of a first end of the first toggle lever transmission element 1 18e extends along the longitudinal extension direction 1 14e
  • Movement axis 28e is different from a second distance 96e of a second end facing away from the first end of the first toggle mechanism element 1 18e to the movement axis 28e.
  • the operating gear unit 30e has a second toggle gear element 120e.
  • the second toggle gear member 120e is formed as a guide pin.
  • the second toggle gear member 120e is formed corresponding to the first toggle gear member 1 18e.
  • the second toggle gear element 120e is formed at least substantially parallel to the movement axis 28e of the operating element 26e.
  • the second toggle mechanism element 120e is aligned at least substantially perpendicular to the axis of movement 18e of the clamping unit.
  • the second toggle mechanism element 120e is at least partially inserted into the first toggle mechanism element 1 18e.
  • the second toggle mechanism element 120e is provided for a positive connection with the first toggle mechanism element 1 18e.
  • the second toggle mechanism element 120e is intended to be guided in a movement by means of an operator force within the first toggle lever element 1 18e.
  • the operating gear unit 30e may have at least one further toggle mechanism element.
  • FIG. 6 shows an operating element 26f according to the invention of an operating unit 24f according to the invention in a greatly simplified lateral partial representation.
  • the operating element 26f is rotatably mounted about a pivot 1 16f.
  • the operating element 26f is rotatably mounted about a movement axis 28f.
  • the movement axis 28f is at least substantially perpendicular to a movement axis
  • the operating unit 24f comprises at least one operating gear unit 30f.
  • the operating gear unit 30f is formed as a toggle gear unit.
  • the operating gear unit 30f has a first toggle mechanism element 1 18f.
  • the first toggle mechanism element 1 18f is formed integrally with the control element 26f.
  • the first toggle-lever transmission element 1 18f is arranged on a side of the rotary joint 16f facing away from an operating region 146f of the operating element 26f.
  • the operating gear unit 30f has at least one second toggle lever element 120f.
  • the second toggle gear member 120f is rotatably supported around another pivot 124f of the operation gear unit 30f.
  • the second toggle mechanism element 120f is rotatably supported about the further pivot 124f relative to the first toggle mechanism element 1 18f.
  • the further pivot 124f defines a movement axis 126f of the second toggle member 120f.
  • the movement axis 126f of the second toggle lever element 120f is aligned at least substantially parallel to the movement axis 28f of the operating element 26f.
  • the operating unit 24f has an actuating element 74f.
  • the operating unit 24f has a connecting element 121f, which is at least non-positively and / or positively connected to the actuating element 74f.
  • the connecting element 121 f is aligned along the movement axis 18 f of the clamping unit.
  • the connecting element 121f is designed as a connecting bolt and / or as a connecting element 121f that appears appropriate to the person skilled in the art.
  • the second toggle lever element 120f is rotatably connected to the connecting element 121f by an additional pivot 1 17f of the operating gear unit 30f.
  • the operating gear unit 30f is provided to transmit an operator force exerted on the operating element 26f, in particular a torque, to the actuating element 74f of the operating unit 24f and to effect a movement of the actuating element 74f along the movement axis 18f of the clamping unit.
  • FIG. 7 shows the operating element 26g according to the invention of the operating unit 24g according to the invention in a greatly simplified lateral partial representation.
  • the operating element 26g is rotatably mounted about a movement axis 28g.
  • the operating unit 24g has an actuating element 74g.
  • the operating element 26g is at least substantially in a direction perpendicular to the
  • Movement axis 28g arranged offset to the actuator 74g.
  • the movement axis 28g of the operating element 26g is at least substantially perpendicular to the movement axis 18g of a clamping unit (not shown here) (see FIG.
  • the operating unit 24g has an operating gear unit 30g.
  • the operation gear unit 30g is formed as a rack gear unit.
  • the operating gear unit 30g has a first rack and pinion sweeping element 130g.
  • the first rack and pinion sweeping element 130g has at least one tooth cutout.
  • the first rack and pinion sweeping element 130g advantageously has a
  • the first rack and pinion sweeping element 130g is arranged on the actuating element 74g of the operating unit 24g.
  • the first rack and pinion sweeping element 130g is formed integrally with the actuating element 74g.
  • the Particulargetriebeein- unit 30g at least a second Zahnstangengetnebeelement 132g.
  • the second rack and pinion member 132g is formed as a tooth.
  • the second rack and pinion member 132g is formed at least partially of metal.
  • the second rack and pinion sweeping element 132g may also be designed as a serration and / or a pin and / or as a second rack and pinion sweeping element 132g that appears meaningful to the person skilled in the art.
  • the second Zahnstangengetnebeelement 132g additionally be at least partially made of plastic and / or another skilled in the art appear appropriate material.
  • the second rack and pinion sweeping element 132g has an outer contour corresponding at least partially with a tooth notch of the first rack and pinion transmission element 130g.
  • the second Zahnstangengetnebeelement 132g is designed as a pawl, in particular as a pawl.
  • the second rack and pinion sweeping element 132g is mounted in a translationally movable manner in a guide recess 133g of the operating unit 24g.
  • the second rack and pinion element 132g is translational movably mounted along a translation axis 128g.
  • the translation axis 128g is aligned at least substantially perpendicular to the movement axis 28g. In at least one operating state, the translation axis 128g is aligned at least substantially perpendicular to the movement axis 18g of the clamping unit.
  • the second rack gear element 132g is resiliently mounted by means of a spring element on a pivot 1 16g of the control element 26g.
  • the second rack gear element 132g is provided, in at least one operating state, in particular for forming a release position of the clamping unit, a non-positive and / or positive connection with the first rack gear member 130g, in particular with at least one tooth recess of the plurality of tooth recesses, to a power transmission form on the actuator 74g.
  • the operating element 26g is provided by means of a rotational movement exerted by an operator force to at least partially transmit the operator force from the second rack-and-pinion transmission element 132g to the actuating element 74g.
  • an operating gear unit 30g can have additional second rack-gear elements 132g offset in the direction of rotation of the operating element 26g to the second rack gear element 132g.
  • the second rack gear member 130g at least non-positively and / or positively connected to the actuating element 74g and the first rack gear member 132g non-positively and / or positively connected to the control element 26g.
  • FIG. 8 shows the operating element 26h according to the invention of the operating unit 24h according to the invention in a greatly simplified and lateral partial representation.
  • Operating element 26h is rotatably mounted about a movement axis 28h.
  • the operating element 26h is formed at least for the most part as a cylindrical body.
  • the movement axis 28h is aligned at least essentially perpendicular to a movement axis 18h of a tensioning unit, not shown here (see FIG.
  • the operating unit 24h has at least one operating gear unit 30h.
  • the operating gear unit 30h is formed at least partially in one piece with the operating element 26h.
  • the operating gear unit 30h is at least partially formed by the operating element 26h.
  • the operating gear unit 30h is at least partially as a cam gear unit educated.
  • the operating gear unit 30h comprises at least a first cam gear element 136h.
  • the first cam gear member 136h is formed as a cylinder body.
  • the first cam gear member 136h is formed of metal.
  • the first cam gear element 136h may be formed from a plastic and / or from another material which appears expedient to the person skilled in the art.
  • the first cam gear element 136h is at least partially formed as a hollow body with a substantially cylindrical cavity 134h.
  • the cavity 134h is at least partially disposed asymmetrically to the axis of movement 28h.
  • a wall thickness of the cavity 134h is formed asymmetrically with respect to the movement axis 28h of the operating element 26h.
  • the first cam gear element 136h has at least one groove recess 138h.
  • the groove recess 138h is formed as a recess along the circumference of the first cam gear member 136h.
  • the groove recess 138h is formed as a break-through recess from an outer portion of the first cam gear member 136h into the cavity 134h.
  • the operating gear unit 30h has at least one second cam gear element 140h.
  • the second cam gear element 140h is arranged at least on an end of an operating element 74h of the operating element 26h facing the operating element 26h.
  • the second cam gear element 140h is non-positively and / or positively connected to the actuating element 74h.
  • the second cam gear member 140h is at least partially as a
  • the second cam gear member 140h is formed at least partially integrally with the actuator 74h.
  • the second cam gear element 140h has at least one longitudinal extension 98h, which is arranged at least substantially perpendicularly relative to a main extension direction of the actuating element 74h.
  • the longitudinal extension 98h of the second cam gear element 140h is arranged at least substantially parallel to the movement axis 28h of the operating element 26h.
  • the longitudinal extent 98h of the second cam gear element 140h has a larger amount than an extension of the groove recess 138h in a direction parallel to the movement axis 28h of the operating member 26h.
  • the second cam gear member 140h is at least partially disposed within the hollow 134h of the first cam gear member 136h.
  • the actuator 74h is positively and captively connected to the first cam gear element 136 h.
  • the actuator 74h is passed through the groove recess 138h.
  • the actuator 74h is movably mounted within the groove recess 138h.
  • a rotational movement of the operating element 26h and / or of the first cam gear element 136h results in an arrangement of the hollow space 134h of the first cam gear element 136h distributed asymmetrically relative to the movement axis 28h of the operating element 26h and consequently a translatory movement of the second cam gear element 140h and / or of the actuating element 74h, which is substantially parallel is aligned to a movement axis 18h of the clamping unit (see Figure 1 b).
  • FIG. 9 shows an operating unit 24i according to the invention of a quick-release device 10i according to the invention in a greatly simplified perspective partial representation.
  • the operating unit 24i has at least one operating element 26i.
  • the operating element 26i is designed as a sliding switching element.
  • the operating element 26i has at least two switch positions 106i, 108i, between which the operating element 26i is displaceably mounted.
  • the operating element 26i is mounted translationally by means of at least one first guide element 142i.
  • the operating element 26i is additionally supported in a translationally displaceable manner by means of at least one second guide element 144i.
  • the operating element 26i is mounted to be translationally movable along a movement axis 28i.
  • the movement axis 28i is aligned at least essentially perpendicular to a movement axis 18i of a tensioning unit, not shown here (see FIG. In particular, the movement axis 28i has at least one vector component which is at least substantially perpendicular to the movement axis 18i of the clamping unit.
  • the operating element 26i is at least partially on an outer side of a gear housing unit 58i of a portable workstation shown here only partially. generating machine (here without reference numeral) arranged. The operating element 26i is arranged on an outer side of the transmission housing unit 58i.
  • the operating unit 24i has at least one contact element, not shown here, which is connected to the operating element 26i at least in a force and / or form-fitting manner.
  • the contact element is advantageously formed of metal.
  • the contact element is advantageously arranged in an inner region of the transmission housing unit 58i.
  • the contact element may be arranged at least partially on an outer side of the gear housing unit 58i and may be made of a plastic and / or another material that appears appropriate to a person skilled in the art.
  • the contact element is at least partially connected in one piece with the operating element 26i.
  • the contact element is intended to transmit a pushing force exerted on the operating element 26i to an actuating element contacted with the contact element. It is conceivable that a contact element is designed as a wedge element, interacts with a toggle lever unit and / or is designed as a contact element which appears meaningful to the person skilled in the art for a control element 26i designed as a sliding shift element.
  • FIG. 10 shows the operating unit 24j according to the invention in a greatly simplified, enlarged partial representation.
  • the operating unit 24j has an operating element 26j.
  • the operating element 26j is designed as an inclined plane.
  • the operating element 26j has at least one movement axis 28j, which is aligned at least essentially perpendicular to a movement axis 18j of a clamping unit (not shown here) (see FIG.
  • the operating element 26j forms at least one operating region 42j.
  • the operating portion 42j forms a plane inclined at least partially to the moving axis 28j of the operating member 26j. In particular, the plane of the actuation region 42j of the operating element 26j closes with the movement axis 28j of the operating element
  • Operating element 26j an at least substantially acute angle 82j.
  • the operating unit 24j also has an actuating element 74j.
  • the actuating element 74j has a guide element 142j at least on an end facing the operating element 26j.
  • the guide element 142j at least partially movable.
  • the guide element 142j can be designed as a roll cylinder, a rolling wheel, a ball and / or as a guide element 142j that appears meaningful to a person skilled in the art.
  • the operating element 26j is provided to form at least one contact region 38j on a side of the actuating element 74j facing the clamping unit, in which the guide element 142j with the actuating region 42j is provided for transmitting an actuating force and / or operator force to the clamping unit.
  • the operating element 26j is provided for moving the clamping unit into the release position to form a contact area 38j between the guide element 142j and the actuating area 42j.
  • the operating element 26i is provided for transmitting an actuating force along the movement axis 28j of the operating element 26j to the actuating element 74j.
  • Movement of the operating member 26j into the movement axis 28j thus causes movement of the operating member 74j along the movement axis 18j of the tightening unit by means of the transmission of the operating force to the operating member 74j.
  • an embodiment of the contact area 38j between the actuating element 74j and the operating element 26j is at least substantially prevented.
  • Figure 1 1 shows an inventive control element 26k of a control unit 24k according to the invention in a highly simplified, lateral partial representation.
  • the operating element 26k is designed as a push button.
  • the operating element 26k is at least partially disposed on an outside of a transmission housing unit, not shown here.
  • the operating element 26k is also partially disposed in an inner region of the gear housing unit.
  • the operating element 26k has a movement axis 28k, which is at least substantially parallel to a movement axis 18k of a clamping unit, not shown here (see FIG.
  • the operating element 26k is provided for transferring an operator force, in particular a pressure force, applied to the operating element 26k by an operator at least substantially along the movement axis 18k of the chip unit to an actuating element 74k of the operating unit 24k. carry.
  • the operating element 26k advantageously has at least one contact pin 150k, which is arranged at least to a large extent in an inner region of the transmission housing unit.
  • the contact pin 150 k is preferably at least partially formed as a cylinder with an at least substantially round cross-section and has an at least partially rounded
  • the contact pin 150k may have a quadrangular, a polygonal and / or a cross-section that appears expedient to the person skilled in the art.
  • the contact pin 150k is preferably made of plastic.
  • the contact pin 150k may also be made of metal and / or a material that appears expedient to the person skilled in the art.
  • the contact pin 150k is at least non-positively and / or positively connected and preferably at least partially integrally connected to the control element 26k.
  • the contact pin 150k is provided to be contacted with the actuating element 74k at least in an operating state to a transfer of the clamping unit from the clamping position to the release position.
  • the contact pin 150k is intended to transmit an operator force to the actuating element 74k of the operating unit 24k and / or to the clamping unit.
  • at least the contact pin 150k is resiliently mounted for providing a restoring force by means of a holding unit 46k, which comprises at least one retaining spring element 54k.
  • FIG. 12 shows a control element 26I according to the invention of an operating unit 24I according to the invention in a simplified partial side view.
  • the operating element 26I is designed as a pressure lever.
  • the operating element 26I is rotatably mounted about a pivot 1 161.
  • the operating element 261 is rotatably mounted about a movement axis 281.
  • the movement axis 281 is aligned at least substantially perpendicular to a movement axis 181 of a tensioning unit, not shown here (see FIG.
  • the operating element 26I has an eccentrically arranged to the movement axis 28I contact pin
  • the contact pin 1501 is arranged along a longitudinal extent between the pivot joint 1 161 and an operating region 1461 of the operating element 261.
  • the contact pin 1501 is provided to contact an actuator 741 of the operating unit 241 for transmission of an operator force. animals.
  • the operating unit 241 has at least one holding unit, which exerts a restoring force on the operating element 261 by means of a retaining spring element.
  • the operating unit 241 has a return spring element, which cooperates with the rotary joint 1 161 and exerts a restoring force on the rotary joint 1 161 and / or on the operating element 26I.
  • FIG. 13 shows a quick-release device 10m according to the invention, which has an operating unit 24m according to the invention with a control element 26m according to the invention, in a greatly simplified and lateral partial representation.
  • the operating element 26m is designed as a pivoting lever.
  • the operating element 26m is disposed at least in large part on an outer side of a gear housing unit 58m of a portable power tool 60m.
  • the operating element 26m is pivotally mounted about a pivot 1 16m.
  • the operating element 26m is pivotally mounted about a movement axis 28m.
  • Movement axis 28m of the operating element 26m is aligned substantially perpendicular to a movement axis 18m of a clamping unit 12m.
  • the swivel joint 16m of the operating element 26m is arranged offset vertically along the movement axis 18m of the clamping unit 12m to an actuating element 74m of the operating unit 24m.
  • the movement axis 28m of the operating element 26m intersects the movement axis 18m of the clamping unit 121.
  • the movement axis 28m of the operating element 26m may be offset from the movement axis 18m of the clamping unit 12m in a direction perpendicular to the movement axis 18m of the clamping unit 12m.
  • the operating element 26m has a projection 122m.
  • the projection 122m is semi-cylindrical in shape and forms an outer contour of half a cylindrical surface.
  • the projection 122m forms a contact region 38m, in which the projection 122m can be contacted with an actuating element 74m of the operating unit 24m.
  • the swivel 1 16m is in the range of
  • Projection 122m of the control element 26m arranged.
  • the hinge 1 16m is arranged eccentrically in the projection 122m.
  • the operating element 26m may at least partially have a shape of a linear and / or curved rod.
  • a pivoting movement of the operating element 26m about the movement axis 28m of the operating element 26m effected by an operator force forms an operating state in which the operating element 26m contacts the actuating element 74m and transmits the operator force to the actuating element 74m to form a release position of the clamping unit 12m.
  • a longitudinal extension direction 14m of the operating element 26m is formed substantially parallel to a surface of the gear housing unit 58m.
  • the longitudinal extension direction 1 14m of the operating element 26m includes an at least substantially acute angle 82m with the movement axis 18m of the clamping unit 12m.
  • the longitudinal extension direction 14m of the operating element 26m may be aligned perpendicular to the movement axis 18m of the clamping unit 12m and / or at least partially skewed to the surface of the gear housing unit 58m.
  • the operating element 26m In a clamping position of the clamping unit 12m, the operating element 26m is advantageously not contacted with the actuating element 74m. In the clamping position, the operating element 26m is relative to a position of the operating element 26m
  • a longitudinal extension direction 144 of the operating element 26m for forming the clamping position is advantageously oriented at least substantially parallel to the movement axis 18m of the clamping unit 12m.
  • the longitudinal extension direction 1 14m 'in the clamping position of the clamping unit 12m includes an at least substantially obtuse angle 82m with the longitudinal extension direction 1 14m in the release position of the clamping unit 12m.
  • FIG. 14 shows an operating unit 24n according to the invention with an operating element 26n according to the invention in a greatly simplified lateral partial representation. development.
  • the operating element 26n is designed as a pulling bracket.
  • the operating element 26n has at least one pivot 1 16n and is pivotally mounted about the pivot 1 16n.
  • the operating element 26n is pivotally mounted about a movement axis 28n.
  • the movement axis 28n of the operating element 26n is aligned substantially perpendicular to a movement axis 18n of a clamping unit, not shown here (see FIG.
  • FIG. 15 shows a holding unit 46o of a quick-release device 10o according to the invention in a partial side view.
  • the holding unit 46o is provided for arrangement on a gearbox housing element of a portable power tool (not shown here).
  • the holding unit 46o is provided for holding the operating element 26o in at least one movement position of the operating element 26o.
  • the holding unit 46o is to hold the
  • Operating element 26o for forming a release position and / or a clamping position of a clamping unit, not shown here (see Figure 1 b) is provided.
  • the holding unit 46o is provided for holding the operating element 26o to form a release position of the clamping unit.
  • the holding unit 46o has at least one interlocking element 48o, advantageously at least two interlocking elements 48o.
  • the form-fitting element 48o is provided to form a latching connection with the operating element 26o.
  • the positive-locking element 48o surrounds the operating element 26o at least to a large extent.
  • the interlocking element 48o is at least partially formed of a resilient material.
  • the form-fitting element 48o is preferably formed at least partially from plastic.
  • the interlocking element 48o may be formed of metal.
  • the interlocking element 48o has at least partially an at least partially U-shaped cross-section (without reference numerals).
  • a contour of the U-shaped cross section of the Positive locking element 48o corresponds at least partially to an outer contour of a cross section of the operating element 26o.
  • the positive-locking element 48o has at least two positive-locking limbs 152o.
  • the form-fitting legs 152o enclose the operating element 26o from two mutually remote sides of the operating element 26o. At least one form-locking leg
  • the 152o of the form-fitting legs 152o has a latching nose 154o.
  • the detent lug 154o is designed to correspond to a detent recess (without reference numeral) of the operating element 26o.
  • the latching lug 154o is provided for an at least partially positive engagement of the latching lug 154o in the latching recess.
  • a holding element may be formed as a locking cap, which has an at least substantially cylindrical outer shape, and formed to a latching connection with a ball element and / or a ball push button of a control element 26o and at least partially on an outside of a transmission housing unit (not shown here) ,
  • FIG. 16 shows a holding unit 46p in a perspective view.
  • the holding unit 46p comprises at least one magnetic element 50p.
  • the magnetic member 50p is at least partially disposed on an outside of a gear housing unit of a portable power tool (not shown here).
  • the magnetic element 50p is provided for holding a control element formed of a ferromagnetic material, not shown here.
  • the magnetic element 50p is provided for holding the operating element in at least one movement position of the operating element.
  • the magnetic element 50p is advantageously provided for holding the operating element in order to form a release position and / or a clamping position of a tensioning unit, not shown here (see FIG.
  • the magnetic element 50p is closed a holding of the operating element to form a release position of the clamping unit is provided.
  • FIG. 17 shows a holding unit 46q in a perspective view.
  • the holding unit 46q comprises a holding element 52p.
  • the holding member 52q is as a
  • the holding element 52q comprises a tilting projection 156q, which is provided for a tilting connection with a corresponding holding element 52q of a control element (not shown here).
  • the holding unit 46q also has a retaining spring element 54q.
  • the retaining spring element 54q is made of metal.
  • the retaining spring element 54q is arranged on the retaining element 52q.
  • the retaining spring element 54q is preferably positively and / or non-positively connected to the retaining element 52q.
  • the retaining spring element 54q is provided as a return element. Alternatively, the retaining spring element 54q may be at least partially connected in one piece with the retaining element 52q.
  • the holding unit 46q is rotatably supported about a pivot 124q.
  • the holding unit 46q is rotatably supported about a rotation axis 158q of the holding unit 46q.
  • the holding unit 46q is rotatably mounted about the axis of rotation 158q.
  • a tilting connection between the holding unit 46q and the operating element can be formed.
  • the tilting connection between the holding unit 46q and the operating element in a release position of a clamping unit, not shown here can be formed.
  • FIG. 18 shows a damping unit 56r of an inventive device
  • the damping unit 56r is at least partially disposed on an outer side of a gear housing unit 58r of a portable power tool, which is only partially shown here.
  • the damping unit 56r is arranged in an at least partially in a vicinity to a control element, not shown here.
  • the damping unit 56r is provided for damping a return movement of the operating element.
  • the damping unit 56r is provided to apply a frictional force to the operating member.
  • the damping unit 56r is at least partially provided for receiving a restoring force of the operating element.
  • the damping unit 56r is designed as a wrap derbremse trained.
  • the damping unit 56r has a brake body 162r.
  • the brake body 162r is rotatably connected to a control element, not shown here.
  • the brake body 162r may be non-rotatably connected to an actuating element, not shown here.
  • an axis of rotation (not shown here) is oriented at least substantially parallel to a movement axis 18r of a clamping unit, not shown here (see FIG.
  • the damping unit 56r has at least one damping element 160r, which is designed as a loop spring wire.
  • the damping element 160r at a first end of the damping element 160r force and / or positively connected to the control element.
  • the damping element 160r is connected at a further, the first end of the damping element 160r opposite end of the damping element 160r at least non-positively and / or positively connected to a holding unit (not shown here) and / or with the gear housing unit 58r.
  • a damping unit 56r may be designed as a pneumatic or a hydraulic damping unit 56r and / or a damping unit 56r that appears appropriate to the person skilled in the art.

Abstract

L'invention concerne un dispositif de serrage rapide pour une machine-outil portative, en particulier pour une meuleuse d'angle, pourvu d'au moins une unité de serrage (12a – 12r), qui, pour fixer sans outil une unité outil d'insertion (14a – 14r) à un arbre de sortie (16a – 16r) de la machine-outil portative (60a – 60r), présente au moins un élément de serrage (20a – 20r ; 22a – 22r) monté mobile au moins autour et/ou le long d'un axe de déplacement (18a – 18r) de l'unité de serrage (12a – 12r), et d'au moins une unité de commande (24a – 24r) présentant au moins un élément (26a – 26r) de commande monté mobile au moins aux fins d'actionnement de l'unité de serrage (12a – 12r), l'élément (26a – 26r) de commande étant destiné au moins à amener l'unité de serrage (12a – 12r) d'une position de serrage dans une position de libération en fonction d'un déplacement de l'élément (26a – 26r) de commande, l'élément (26a – 26r) de commande étant monté au moins en translation et/ou pivotant.
EP18737887.2A 2017-07-20 2018-07-05 Dispositif de serrage rapide pour machine-outil portative Active EP3655196B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017212526.8A DE102017212526A1 (de) 2017-07-20 2017-07-20 Schnellspannvorrichtung für eine tragbare Werkzeugmaschine
PCT/EP2018/068217 WO2019015980A1 (fr) 2017-07-20 2018-07-05 Dispositif de serrage rapide pour machine-outil portative

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EP3655196A1 true EP3655196A1 (fr) 2020-05-27
EP3655196B1 EP3655196B1 (fr) 2021-09-15

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US (1) US11717935B2 (fr)
EP (1) EP3655196B1 (fr)
JP (1) JP7110319B2 (fr)
KR (1) KR20200034714A (fr)
CN (1) CN110944802B (fr)
BR (1) BR112020000961A2 (fr)
DE (1) DE102017212526A1 (fr)
WO (1) WO2019015980A1 (fr)

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JP6802907B2 (ja) * 2016-08-22 2020-12-23 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ 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

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US20200094373A1 (en) 2020-03-26
KR20200034714A (ko) 2020-03-31
WO2019015980A1 (fr) 2019-01-24
DE102017212526A1 (de) 2019-01-24
JP7110319B2 (ja) 2022-08-01
CN110944802A (zh) 2020-03-31
EP3655196B1 (fr) 2021-09-15
CN110944802B (zh) 2024-01-09
BR112020000961A2 (pt) 2020-07-14
JP2020527108A (ja) 2020-09-03
US11717935B2 (en) 2023-08-08

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