EP2607027B1 - Machine-outil avec unité de commutation et dispositif de commutation d'un machine-outil - Google Patents

Machine-outil avec unité de commutation et dispositif de commutation d'un machine-outil Download PDF

Info

Publication number
EP2607027B1
EP2607027B1 EP12191804.9A EP12191804A EP2607027B1 EP 2607027 B1 EP2607027 B1 EP 2607027B1 EP 12191804 A EP12191804 A EP 12191804A EP 2607027 B1 EP2607027 B1 EP 2607027B1
Authority
EP
European Patent Office
Prior art keywords
pawl
movement
pawl element
power tool
release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12191804.9A
Other languages
German (de)
English (en)
Other versions
EP2607027A3 (fr
EP2607027A2 (fr
Inventor
Cornelius Boeck
Daniel BARTH
Joachim Schadow
Sinisa Andrasic
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 EP2607027A2 publication Critical patent/EP2607027A2/fr
Publication of EP2607027A3 publication Critical patent/EP2607027A3/fr
Application granted granted Critical
Publication of EP2607027B1 publication Critical patent/EP2607027B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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

Definitions

  • DE 10 2009 011 766 A1 From the DE 10 2009 011 766 A1 is already a machine tool according to the preamble of claim 1, in particular an angle grinder, known which comprises a switching unit which has a movably mounted pawl member for actuating a switching element and at least one releasably mounted on the pawl element release element for unlocking a movement lock the pawl element.
  • DE 10 2009 011 766 A1 further discloses a machine tool switching device according to the preamble of claim 11.
  • the invention relates to a machine tool, in particular of an angle grinder, with at least one switching unit, which has at least one movably mounted pawl element and at least one release element pivotally mounted on the pawl element for unlocking a movement lock of the pawl element.
  • the release element has at least one pivot axis which is formed by an axis which differs from an axis extending at least substantially perpendicular to a main movement direction of the pawl element and at least substantially perpendicular to a direction of longitudinal extension of the pawl element.
  • the machine tool is preferably designed as a portable machine tool, in particular as a portable, hand-held machine tool.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool for machining workpieces, which can be transported without transport machine by an operator.
  • the portable machine tool has in particular a mass which is less than 40 kg, preferably less than 10 kg and more preferably less than 7 kg.
  • the portable power tool is particularly preferably designed as an angle grinder.
  • switching unit should in particular define here a unit which has at least one component, in particular the pawl element, which can be actuated directly by an operator and which is intended, by an actuation and / or by input of parameters, a process and / or a state affecting and / or changing a unit coupled to the switching unit.
  • the pawl member is movably mounted about at least one axis of movement of the pawl member.
  • the pawl element is preferably provided for actuating at least one switching element of the switching unit.
  • a "pawl element” should in particular be understood here as an operating element which has a longitudinal extent along a direction of elongation of the operating element which is greater than a transverse extent of the operating element extending at least substantially perpendicular to the longitudinal extension direction, which extends at least substantially transversely to a direction of movement of the operating element ,
  • a maximum longitudinal extension of the pawl element is at least 2 times larger, preferably at least 4 times larger, and more preferably at least 6 times larger than a maximum transverse extent of the pawl element.
  • the pawl element has a maximum longitudinal extent which is greater than 3 cm, preferably greater than 6 cm and particularly preferably greater than 8 cm.
  • the pawl element preferably comprises a control surface, on which an operator can arrange at least three fingers to actuate the pawl element and which has at least one along the longitudinal direction of the pawl element extending longitudinal extent which is greater than 5 cm.
  • substantially perpendicular is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane viewed, include an angle of 90 ° and the angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and more preferably less than 2 °.
  • the switching unit is provided to actuate the switching element by means of an actuation of the pawl element in order to open or close a circuit to a power supply of at least one drive unit of the machine tool.
  • the switching unit is preferably provided to enable commissioning or deactivation of the machine tool.
  • the switching element is preferably formed by a mechanical, electrical and / or electronic switching element.
  • a “movement lock” is to be understood here in particular as a locking mechanism which is provided, as far as possible at least in one operating state, a movement of a movably mounted component along at least one path and / or around at least one axis by means of a mechanical, electrical and / or electronic lock to prevent.
  • the movement lock is provided to prevent a movement of the movably mounted pawl element as far as possible, at least in an operating state by means of a mechanical lock.
  • the movement barrier at least in an operating state by means of an electromagnetic force and / or a permanent magnetic force, such as by means of sliding magnets on the pawl element largely prevents movement of the pawl element.
  • the movement lock can be unlocked by the release element of the switching unit to allow movement of the pawl element as a result of actuation of the pawl element.
  • the release element is pivotally mounted for unlocking the movement lock of the pawl member in at least two mutually different directions about the pivot axis of the release member.
  • the switching unit comprises at least one spring element, which acts on the release element with a spring force in the direction of a central position in which a movement of the pawl element by means of the movement lock is largely prevented.
  • the spring element is preferably designed as a torsion spring. However, it is also conceivable that the spring element another, Having a person skilled in the art appears appropriate design.
  • the pivot axis of the release element in at least one operating state, in particular in an operating state, in the finger of the operator abut the control surface of the pawl element, at least substantially parallel to a hinge axis of a finger of the operator, in particular at least substantially parallel at least to a hinge axis an index finger of the operator, arranged.
  • substantially parallel is to be understood here as meaning, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction is a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • the pivot axis of the release element By means of the design of the pivot axis of the release element as an axis, which is formed differing from an at least substantially perpendicular to the main movement direction of the pawl element and at least substantially perpendicular to the longitudinal extension direction of the pawl element axis, an ergonomically comfortable operation of the release element can be advantageously achieved.
  • the pivotable mounting of the release element for unlocking the movement lock of the pawl element in at least two mutually different directions, in particular in at least two oppositely directed directions ergonomic operability of the release element for right-handed and left-handed people can be achieved particularly advantageous.
  • the pivot axis of the release element extends at least substantially transversely to a movement axis of the pawl element.
  • substantially transversely is meant in particular an alignment of a direction and / or an axis relative to a reference direction and / or a reference axis, wherein the orientation of the direction and / or the axis at least different from an at least substantially parallel alignment to Reference direction and / or to the reference axis and in particular is skewed or perpendicular to the reference direction and / or to the reference axis.
  • the pivot axis of the release element by an angle a is smaller than 60 ° relative to the longitudinal direction of the pawl element inclined.
  • the pivot axis of the release element is inclined by an angle smaller than 40 ° and particularly preferably smaller than 30 ° relative to the longitudinal direction of the pawl element.
  • the pivot axis and the longitudinal extension direction viewed from the longitudinal direction along a direction facing away from the pawl element element, preferably close at least an angle less than 60 °.
  • the pivot axis of the release element extends in a median plane of the pawl element, in which the longitudinal extension direction extends and which divides the pawl element at least substantially into two mirror-symmetrical pawl element halves. It can be advantageously achieved a compact arrangement of the release element on the pawl element.
  • the switching unit has at least one Entriegelungs procedureausinstituung which is intended to receive in a unlocked position of the release element as a result of actuation of the pawl element, a blocking element of the switching unit.
  • a blocking element of the switching unit Preferably, in the unlocked position of the release member, as a result of actuation of the pawl member, the locking member engages the unlock receiving recess to permit movement of the pawl member.
  • the blocking element preferably acts to block a movement of the pawl element upon actuation of the pawl element on a blocking surface of the release element.
  • the Entriegelungsingausnaturalung is arranged on the release element.
  • the Entriegelungsingausnaturalung is disposed on a side facing away from the control surface of the pawl element of the release element on the release element.
  • the Entriegelungsingausnaturalung in particular as viewed along the Longitudinal direction of the pawl element, arranged on a side facing away from the control surface of the release element.
  • an opening of the EntriegelungsingausEnglishung preferably in a direction away from the control surface of the pawl element direction.
  • an edge region of the release element delimiting the unlocking receiving recess has a relative distance to the pivot axis of the release element, at least as viewed along a direction extending at least substantially perpendicular to the median plane of the pawl element of the release element. It can be advantageously achieved a component-saving design.
  • the machine tool has at least one handle housing and at least one bearing unit which is provided upon actuation of the pawl element, starting from a connection region of the handle housing facing the end of the pawl element in the direction of another connection region facing away from the tangible end of the pawl element always a To ensure stroke movement of the pawl member along a route having a value greater than zero.
  • a "handle housing” is to be understood here in particular at least one housing or at least one housing part region which is largely decoupled from a bearing of a drive and / or output unit of the machine tool, wherein at least one handle portion of the housing or the housing portion, in particular a designed as a handle-shaped handle portion housing portion, at least for the most part is umgreifbar by an operator to handle the machine tool with at least one hand.
  • the term "largely encompassable” is intended here in particular to encompass a component or a component region by means of an operator's hand along at least more than 70%, preferably more than 80% and particularly preferably more than 90% of an overall extension of one in an at least substantially vertical Defining the overall outer circumference of the component or of the component region extending to a longitudinal extension direction of the component or of the component region, the total extent of the overall circumference is in particular less than 40 cm, preferably less than 30 cm and particularly preferably less than 25 cm.
  • the handle housing is formed separately from a drive housing of the machine tool, which is intended to receive the drive and / or output unit to a support of drive and / or output bearing forces.
  • the handle housing and the drive housing are integrally formed.
  • the handle housing on a handle-shaped handle portion which is at least inclined by an angle less than 60 °, preferably less than 40 ° and more preferably less than 30 ° relative to a main extension direction of the machine tool.
  • the handle-shaped handle portion along a rotational axis of a drive element, in particular an armature shaft, a drive unit of the machine tool and in particular along the main extension direction of the machine tool, arranged behind the drive unit.
  • the handle housing in addition to the handle-shaped handle portion has a bow-shaped portion which is integrally formed on the handle-shaped handle portion.
  • the bow-shaped portion may preferably have an L-shaped configuration which extends from an end of the handle-shaped housing facing away from the handle-shaped handle portion L-shaped in the direction of the connection region.
  • the handle housing comprises at least two handle housing shell elements which are connectable to one another in a connecting plane.
  • the handle housing preferably has a shell construction.
  • the handle housing has a pot construction.
  • connection area is intended here to define, in particular, a region of the handle housing, via which the handle housing is connected to the drive housing in a form-fitting, force-locking and / or material-locking manner or with which the handle housing rests directly on the drive housing.
  • a "tangible end” is to be understood here in particular as meaning an end of the pawl element considered along the longitudinal direction of extension of the pawl element, in particular an end of the control surface of the pawl element which projects out of the handle housing, in particular along a direction extending at least substantially perpendicular to the longitudinal extension direction of the pawl element direction, and is directly touched by an operator to an actuation of the pawl element.
  • the bearing unit has at least one bearing element which is arranged on a side of an actuating region of the switching element facing the connection region of the handle housing.
  • the actuating region is preferably formed by a switching tappet of the switching element.
  • the bearing unit comprises at least one parallelogram bearing unit.
  • a "parallelogram bearing unit” is to be understood here in particular as a bearing unit which maintains an orientation of the operating surface relative to the handle housing at least substantially constant during a movement of the pawl element, in particular during a movement about a pivot axis of the pawl element relative to the handle housing.
  • the bearing elements in a fictitious, linear connection of the bearing elements with each other, especially in a plane, a parallelogram-like arrangement. It can thus advantageously a uniform lifting movement over the entire operating surface of the pawl element in the direction of the handle housing due to an actuation of the pawl element can be achieved. Thus, advantageously a comfortable operation of the pawl element can be achieved.
  • the parallelogram bearing unit has at least one parallelogram bearing element which is provided in response to a movement of the pawl element an actuating region of the switching element to press.
  • the parallelogram bearing element is designed as a lever.
  • the parallelogram bearing element is preferably connected at one end to a bearing element of the bearing unit arranged in the handle housing.
  • the parallelogram bearing element is preferably connected to a further end with a further arranged on the pawl element bearing element.
  • the parallelogram bearing element preferably actuates, in response to a movement of the pawl element, the actuating region of the switching element designed as a switch plunger to commission the machine tool. It can be advantageously realized a component-saving operation of the switching element by the parallelogram bearing element can take over a bearing function and an actuating function.
  • the parallelogram bearing unit has at least one parallelogram bearing element on which at least one blocking element of the switching unit is arranged.
  • the blocking element is preferably designed as a locking pin. In this case, in a blocking position of the release element, which corresponds to a center position of the release element, the blocking element cooperates with a blocking surface of the release element to form a movement lock of the latching pawl element. It can be achieved structurally simple movement of the pawl element in a blocking position of the release element.
  • the invention is based on a machine tool switching device of a machine tool according to the invention, wherein the machine tool switching device comprises at least the switching unit.
  • the machine tool switching device has at least one bearing unit to a movable mounting of the pawl element.
  • the bearing unit can in this case be designed as a translational bearing unit, as a rotation bearing unit or a combination of a translational bearing unit and a rotation bearing unit, such as a lever gear bearing unit, etc. It can thus be advantageously achieved a simple retrofitting already existing machine tools with the switching unit according to the invention.
  • FIG. 1 shows a machine tool 10, which is formed by a designed as an angle grinder 12 portable power tool 10.
  • the portable machine tool 10 has at least one switching unit 14 which has at least one movably mounted pawl element 16 for actuating at least one switching element 18 of the switching unit 14 (FIG. FIG. 2 ) and at least one pivotally mounted on the pawl element 16 release element 20 ( FIG. 2 ) comprises an unlocking of a movement lock of the pawl element 16.
  • the portable power tool 10 has at least one machine tool switching device which comprises at least the switching unit 14 and at least one bearing unit 38 to a movable mounting of the pawl element 16 of the switching unit 14.
  • the machine tool 10 embodied as an angle grinder 12 further comprises a protective hood unit 60, a handle housing 36, a drive housing 62 and a driven housing 74.
  • a handle-shaped area 64 of the handle housing 36 forms a main handle of the portable power tool 10.
  • the main handle extends at least essentially from a connection region 40 of the handle housing 36 in a direction away from the connection region 40 direction to a side 100 of the handle housing 36, to which a cable of the angle grinder 12 formed as a portable power tool 10 is arranged for power supply.
  • the handle-shaped handle portion 64 of the handle housing 36 is inclined at an angle smaller than 30 ° relative to a main extension direction 66 of the portable power tool 10.
  • the portable power tool 10 includes the drive housing 62 for receiving a drive unit 72 of the portable power tool 10 and the output housing 74 for receiving the output unit 68.
  • the drive unit 72 is provided to rotate the machining tool 70 via the output unit 68.
  • the machining tool 70 can in this case by means of a fastener (not shown here) for machining a workpiece rotatably connected to the spindle.
  • the machining tool 70 can be rotationally driven in an operation of the portable power tool 10.
  • the output unit 68 is connected to the drive unit 72 in a manner already known to a person skilled in the art by means of a drive element (not shown here in detail) designed as a pinion and rotatingly drivable.
  • an auxiliary handle 76 is arranged on the output housing 74. The auxiliary handle 76 extends in a mounted on the output housing 74 state transverse to the main direction 66 of the portable power tool 10th
  • FIG. 2 shows a detailed view of the switching unit 14, which has the movably mounted pawl member 16 for actuating the switching element 18 and the release member 20 pivotally mounted on the pawl member 16 for unlocking a movement lock of the pawl member 16.
  • the switching element 18 is arranged in an assembled state in an inner region of the handle housing 36 in a receiving recess 90.
  • the release element 20 is arranged, viewed along the main extension direction 66 of the portable power tool 10, on an end 42 of the pawl element 16 facing a connection region 40 of the handle housing 36.
  • the release element 20 has at least one pivot axis 22, which is formed by an axis which differs from an axis extending at least substantially perpendicular to a main movement direction 24 of the pawl element 16 and at least substantially perpendicular to a longitudinal extension direction 26 of the pawl element 16.
  • the main direction of movement 24 of the pawl member 16 extends at least substantially transverse to the main direction 66 of the portable power tool 10.
  • the longitudinal direction 26 of the pawl member 16 extends in an assembled state of the portable power tool 10 by an angle less than 30 ° inclined relative to the main extension direction 66 of the portable Machine tool 10.
  • the switching unit 14 further has at least one EntriegelungsnessausEnglishung 30, which is intended to receive in a unlocked position of the release member 20 due to an actuation of the pawl member 16, a blocking element 32 of the switching unit 14.
  • the Entriegelungsnessausnaturalung 30 is disposed on the release element 20.
  • the release element 20 has two EntriegelungsabilityausEnglishept 30, which are arranged with respect to a plane passing through the pivot axis 22 of the release member 20 level of the release element 20 in mirror symmetry (in FIG. 2 only one of the Entriegelungsnessausappel 30 is shown).
  • the pawl element 16 is movably mounted about at least one movement axis 28.
  • the movement axis 28 of the pawl element 16 extends at least substantially perpendicular to the longitudinal extension direction 26 of the pawl element 16 or at least substantially perpendicular to the main extension direction 66 of the portable power tool 10.
  • the movement axis 28 of the pawl element 16 in this case extends at least substantially perpendicular to a connection plane of the handle housing 36 (FIGS. in FIG. 2 corresponds to the plane of connection of the leaf level), in which two handle housing shell elements 78, 80 of the handle housing 36 by means of connecting elements 34, such as screws, bolts, etc., are connectable to each other.
  • the pivot axis 22 of the release element 20 extends at least substantially transversely to the movement axis 28 of the pawl element 16.
  • the pivot axis 22 of the release element 20 is inclined by an angle ⁇ smaller than 60 ° relative to the longitudinal extension direction 26 of the pawl element 16.
  • the pivot axis 22 is inclined by an angle ⁇ between 10 ° to 25 ° relative to the longitudinal direction 26 of the pawl element 16.
  • the portable power tool 10 For a movable mounting of the pawl member 16, the portable power tool 10 at least the bearing unit 38 which is provided upon actuation of the pawl member 16, starting from a connection region 40 of the handle housing 36 facing the end 42 of the pawl element 16 in the direction of another the connection area 40 facing away from the tangible end 44 of the pawl element 16 always to ensure a lifting movement of the pawl element 16 along a path with a value greater than zero.
  • the bearing unit 38 has at least one bearing element 46 which is arranged on a side 50 of the actuating element 52 of the switching element 18 facing the connection region 40 of the handle housing 36.
  • the bearing unit 38 has four bearing elements 46, 48 which are arranged on a side 50 of the actuating region 52 of the switching element 18 facing the connection region 40 of the handle housing 36 (in FIG. 2 only two of the four bearing elements 46, 48 are shown). In this case, in each case two of the four bearing elements 46, 48 are arranged in one of the handle housing shell elements 78, 80.
  • the bearing elements 46, 48 are formed as bearing pins. The bearing pins are formed integrally with the respective handle shell shell element 78, 80.
  • formed as a bearing pin bearing elements 46, 48 are formed separately from the handle housing shell elements 78, 80 and by means of a, one skilled in the sense appearing connection, such as by means of a positive and / or non-positive connection, fixed to the respective handle shell shell element 78, 80 are connected.
  • Lever bearing elements 82, 84 of the bearing unit 38 are movably arranged on the bearing elements 46, 48.
  • the lever bearing elements 82, 84 are arranged at least substantially parallel to one another.
  • the lever bearing elements 82, 84 are each movably arranged on the pawl element 16 with an end facing away from the bearing elements 46, 48.
  • the pawl element 16 for this purpose comprises pawl bearing elements 86, 88, which are connected to a movable arrangement of the bearing elements 46, 48 on the pawl element 16 with the ends of the bearing elements 46, 48.
  • the ratchet bearing elements 86, 88 are bolt-shaped. Further, the ratchet bearing members 86, 88 are formed integrally with the pawl member 16.
  • the storage unit 38 further comprises at least one parallelogram storage unit 54.
  • the parallelogram storage unit 54 has at least one parallelogram bearing element 56 which is provided to actuate an operating region 52 of the switching element 18 in response to a movement of the pawl element 16.
  • the operating portion 52 is formed by a switching plunger of the switching element 18.
  • the blocking element 32 of the switching unit 14 is arranged to a movement lock of the pawl element 16 on the Parallelogrammlagerelement 56.
  • the parallelogram bearing unit 54 has at least two parallelogram bearing elements 56, 58.
  • the parallelogram bearing elements 56, 58 are in this case formed by the lever bearing elements 82, 84.
  • the release element 20 For commissioning the portable power tool 10, the release element 20, starting from a middle position of the release element 20 ( Figure 3), in which the locking element 32 abuts upon actuation of the pawl member 16 on a locking surface 94 of the release member 20 and thus movement of the pawl member 16 at least largely prevented, pivoted about the pivot axis 22 in an unlocked position of the release element 20 ( FIG. 4 ).
  • one of the Entriegelungsnesslessness 30 is moved to a position in which one of the EntriegelungsareaausEnglishept 30, viewed along an at least substantially parallel to the pivot axis 22 of the release member 20 extending direction, aligned with the blocking element 32.
  • the blocking element 32 can thus dip into one of the EntriegelungsareaausEnglishept 30 as a result of actuation of the pawl member 16 to allow movement of the pawl member 16 in the direction of the handle housing 36. It is thus unlocked by the pivotal movement of the release member 20 about the pivot axis 22, a movement lock of the pawl member 16.
  • the pawl member 16 is moved about the axis of movement 28 of the pawl member 16.
  • the operating surface 92 of the pawl element 16 as a result of the Parallelogrammlagertician 54 maintains an angular orientation of the longitudinal extension direction 26 of the pawl member 16 relative to an outer surface of the handle housing 36 at least substantially.
  • the release element 20 is mounted for unlocking the movement lock of the pawl element 16 in two mutually different directions pivotally about the pivot axis 22.
  • the switching unit 14 further has at least one spring element 96, which acts on the release element 20 with a spring force in the direction of the center position of the release element 20, in which movement of the pawl element 16 by means of the movement lock is largely prevented.
  • the spring element 96 is preferably as Torsion spring formed.
  • the switching unit 14 has a further spring element 98 for forming a deadman circuit function.
  • the further spring element 98 is provided to permit movement of the pawl member 16 upon release of an action force of an operator on the pawl member 16 in a direction away from the handle housing 36 to an initial position of the pawl member 16 due to an action of a spring force on the pawl member 16 ,
  • the further spring element 98 is formed by a spring element of the switching element 18 that acts on the switching tappet of the switching element 18 with a spring force.
  • the further spring element 98 exerts a spring force on the pawl element 16 via the parallelogram bearing element 56 which, as a result of a movement of the pawl element 16 in the direction of the handle housing 36, actuates the actuating region 52 of the switching element 18 designed as a switch plunger.
  • the pawl member 16 is moved in the direction away from the handle housing 36 after lifting an action of an operating force of an operator.
  • the release member 20 is moved to the center position.
  • the switching unit 14 is in an initial position in which a movement of the pawl member 16 is at least largely prevented by the movement lock.
  • the portable power tool 10 has an electrical and / or electronic start-up lock in addition to the mechanical movement lock, which, for example, allows energizing the drive unit 72 as soon as a sensor unit of the portable power tool 10 concerns a further hand of an operator on the auxiliary handle 76 in addition to the presence of a hand on the handle housing 36, in particular the handle-shaped handle portion 64, sensed and thus via a control and / or regulating unit of the portable machine tool 10, which evaluates the sensed characteristics and processed , which deactivates electrical and / or electronic start-up lock to allow commissioning of the portable power tool 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Claims (11)

  1. Machine-outil, en particulier meuleuse d'angle, comprenant au moins une unité de commutation (14) qui présente au moins un élément de cliquet de commutation (16) supporté de manière mobile et au moins un élément de libération (20) supporté de manière à pouvoir pivoter sur l'élément de cliquet de commutation (16) en vue d'un déverrouillage d'un blocage du mouvement de l'élément de cliquet de commutation (16), caractérisée en ce que l'élément de libération (20) présente au moins un axe de pivotement (22) qui est formé par un axe différent d'un axe s'étendant au moins essentiellement perpendiculairement à une direction de déplacement principale (24) de l'élément de cliquet de commutation (16) et au moins essentiellement perpendiculairement à une direction d'étendue longitudinale (26) de l'élément de cliquet de commutation (16), l'élément de libération (20) étant supporté de manière à pouvoir pivoter autour de l'axe de pivotement (22) de l'élément de libération (20) dans deux directions différentes l'une de l'autre en vue d'un déverrouillage du blocage du mouvement de l'élément de cliquet de commutation (16).
  2. Machine-outil selon la revendication 1, caractérisée en ce que l'axe de pivotement (22) de l'élément de libération (20) s'étend au moins essentiellement transversalement à un axe de déplacement (28) de l'élément de cliquet de commutation (16).
  3. Machine-outil selon l'une quelconque des revendications précédentes, caractérisée en ce que l'axe de pivotement (22) de l'élément de libération (20) est incliné d'un angle α inférieur à 60° rapport à la direction d'étendue longitudinale (26) de l'élément de cliquet de commutation (16).
  4. Machine-outil selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de commutation (14) présente au moins un évidement de réception de déverrouillage (30) qui est prévu pour recevoir un élément de blocage (32) de l'unité de commutation (14) dans une position de déverrouillage de l'élément de libération (20) suite à un actionnement de l'élément de cliquet de commutation (16).
  5. Machine-outil selon la revendication 4, caractérisée en ce que l'évidement de réception de déverrouillage (30) est disposé au niveau de l'élément de libération (20).
  6. Machine-outil selon l'une quelconque des revendications précédentes, caractérisée par au moins un boîtier de poignée (36) et au moins une unité de palier (38) qui est prévue, lors d'un actionnement de l'élément de cliquet de commutation (16), pour toujours garantir, à partir d'une extrémité (42) de l'élément de cliquet de commutation (16) tournée vers une région de liaison (40) du boîtier de poignée (36) dans la direction d'une autre extrémité (44) de l'élément de cliquet de commutation (16) pouvant être saisie et opposée à la région de liaison (40), un mouvement de course de l'élément de cliquet de commutation (16) le long d'une section ayant une valeur supérieure à zéro.
  7. Machine-outil selon la revendication 6, caractérisée en ce que l'unité de palier (38) présente au moins un élément de palier (46, 48) qui est disposé sur un côté (50) d'une région d'actionnement (52) d'un élément de commutation (18) de l'unité de commutation (14) qui est tourné vers la région de liaison (40) du boîtier de poignée (36).
  8. Machine-outil selon au moins la revendication 6, caractérisée en ce que l'unité de palier (38) comprend au moins une unité de palier à parallélogramme (54).
  9. Machine-outil selon la revendication 8, caractérisée en ce que l'unité de palier à parallélogramme (54) présente au moins un élément de palier à parallélogramme (56) qui est prévu pour actionner, en fonction d'un mouvement de l'élément de cliquet de commutation (16), une région d'actionnement (52) d'un élément de commutation (18) de l'unité de commutation.
  10. Machine-outil selon la revendication 8 ou 9, caractérisée en ce que l'unité de palier à parallélogramme (54) présente au moins un élément de palier à parallélogramme (56) au niveau duquel est disposé au moins un élément de blocage (32) de l'unité de commutation (14).
  11. Dispositif de commutation de machine-outil d'une machine-outil selon l'une quelconque des revendications précédentes, comprenant au moins une unité de commutation (14) qui présente au moins un élément de cliquet de commutation (16) supporté de manière mobile et au moins un élément de libération (20) supporté de manière à pouvoir pivoter sur l'élément de cliquet de commutation (16) en vue d'un déverrouillage d'un blocage du mouvement de l'élément de cliquet de commutation (16), caractérisé en ce que l'élément de libération (20) présente au moins un axe de pivotement (22) qui est formé par un axe différent d'un axe s'étendant au moins essentiellement perpendiculairement à une direction de déplacement principale (24) de l'élément de cliquet de commutation (16) et au moins essentiellement perpendiculairement à une direction d'étendue longitudinale (26) de l'élément de cliquet de commutation (16), l'élément de libération (20) étant supporté de manière à pouvoir pivoter autour de l'axe de pivotement (22) de l'élément de libération (20) dans deux directions différentes l'une de l'autre en vue d'un déverrouillage du blocage du mouvement de l'élément de cliquet de commutation (16).
EP12191804.9A 2011-12-23 2012-11-08 Machine-outil avec unité de commutation et dispositif de commutation d'un machine-outil Active EP2607027B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110089724 DE102011089724A1 (de) 2011-12-23 2011-12-23 Werkzeugmaschine

Publications (3)

Publication Number Publication Date
EP2607027A2 EP2607027A2 (fr) 2013-06-26
EP2607027A3 EP2607027A3 (fr) 2014-01-29
EP2607027B1 true EP2607027B1 (fr) 2015-07-29

Family

ID=47191568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12191804.9A Active EP2607027B1 (fr) 2011-12-23 2012-11-08 Machine-outil avec unité de commutation et dispositif de commutation d'un machine-outil

Country Status (3)

Country Link
EP (1) EP2607027B1 (fr)
CN (1) CN103170954B (fr)
DE (1) DE102011089724A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014009144A1 (de) * 2014-06-20 2015-12-24 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
JP6803157B2 (ja) * 2016-06-24 2020-12-23 株式会社マキタ 電動工具
DE202020103534U1 (de) 2020-06-18 2021-09-28 C. & E. Fein Gmbh Elektrowerkzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522871C2 (sv) * 2001-11-28 2004-03-16 Electrolux Abp Elektrisk arbetsmaskin
US6805208B2 (en) * 2002-08-02 2004-10-19 Black & Decker Inc. Switch lock-off mechanism for power tools
EP2012979A4 (fr) * 2006-04-26 2010-04-07 Demain Technology Pty Ltd Assemblage de poignée destiné à un outil électrique
DE102006000316A1 (de) * 2006-06-29 2008-01-03 Hilti Ag Haupthandgriff mit Sicherungsverriegelung
CN201077064Y (zh) * 2007-09-04 2008-06-25 黄寅初 一种可单手操作的气动工具安全开关装置
DE102009011766A1 (de) 2008-03-12 2009-09-24 Marquardt Gmbh Elektrischer Schalter, insbesondere Elektrowerkzeugschalter
CN201493828U (zh) * 2009-08-31 2010-06-02 制尚电器(浙江)有限公司 适用多种功能头安全要求的组合电动工具开关控制机构

Also Published As

Publication number Publication date
CN103170954A (zh) 2013-06-26
EP2607027A3 (fr) 2014-01-29
CN103170954B (zh) 2017-01-18
EP2607027A2 (fr) 2013-06-26
DE102011089724A1 (de) 2013-06-27

Similar Documents

Publication Publication Date Title
EP2794187B1 (fr) Machine-outil
DE19546328B4 (de) Handwerkzeugmaschine mit einem drehbaren Handgriff
EP2869976B1 (fr) Dispositif d'arrêt de broche
EP2794196B1 (fr) Machine-outil électrique
EP2794195B1 (fr) Machine-outil
EP2607027B1 (fr) Machine-outil avec unité de commutation et dispositif de commutation d'un machine-outil
EP3160695B1 (fr) Machine outil portative
EP2794186B1 (fr) Machine-outil
WO2002070198A1 (fr) Machine a main dotee d'un capot pivotant de couverture de l'outil
EP3160694A1 (fr) Machine-outil portable
DE102011089735A1 (de) Werkzeugmaschine
EP2794185B1 (fr) Machine-outil
EP2705415B1 (fr) Dispositif de commutateur machine outil
EP2140466B1 (fr) Prise électrique
EP2608936B1 (fr) Dispositif de machine-outil portative
EP2666587A1 (fr) Dispositif de couplage de sécurité de machines-outils
DE29522449U1 (de) Handwerkzeugmaschine
DE19549840B4 (de) Handwerkzeugmaschine
DE102022205094A1 (de) Werkzeugmaschinenvorrichtung, Werkzeugmaschine und System
WO2023227400A1 (fr) Dispositif de machine-outil, machine-outil et système
DE102009027869A1 (de) Handwerkzeugmaschine
DE102019208919A1 (de) Sägewerkzeugmaschine
EP2996828B1 (fr) Dispositif de serrage d'outil

Legal Events

Date Code Title Description
AK Designated contracting states

Kind code of ref document: A2

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

AX Request for extension of the european patent

Extension state: BA ME

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

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

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: B25F 5/00 20060101AFI20131220BHEP

Ipc: B25F 5/02 20060101ALI20131220BHEP

Ipc: B24B 23/00 20060101ALI20131220BHEP

17P Request for examination filed

Effective date: 20140729

RBV Designated contracting states (corrected)

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

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150424

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 738893

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150815

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502012003916

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 4

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151030

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151029

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151129

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151130

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502012003916

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151108

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20160502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151108

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20121108

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150729

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 738893

Country of ref document: AT

Kind code of ref document: T

Effective date: 20171108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171108

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20201123

Year of fee payment: 9

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20211108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211108

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20221118

Year of fee payment: 11

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 502012003916

Country of ref document: DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240123

Year of fee payment: 12