EP3246128B1 - Hand-held machine tool device for mobile positioning of a shaft in a guiding rail - Google Patents
Hand-held machine tool device for mobile positioning of a shaft in a guiding rail Download PDFInfo
- Publication number
- EP3246128B1 EP3246128B1 EP17170490.1A EP17170490A EP3246128B1 EP 3246128 B1 EP3246128 B1 EP 3246128B1 EP 17170490 A EP17170490 A EP 17170490A EP 3246128 B1 EP3246128 B1 EP 3246128B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- shaft
- distance
- machine tool
- 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.)
- Active
Links
- 230000001681 protective effect Effects 0.000 claims description 65
- 238000003801 milling Methods 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 103
- 238000003754 machining Methods 0.000 description 7
- 238000013519 translation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
- B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
- B24B55/052—Protective covers for the grinding wheel specially designed for portable grinding machines with rotating 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
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B9/00—Portable power-driven circular saws for manual operation
- B27B9/02—Arrangements for adjusting the cutting depth or the amount of tilting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/044—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs the saw blade being movable on slide ways
Definitions
- the invention relates to a handheld power tool device for at least one movable mounting of a shaft, in particular a drive spindle, of a handheld power tool in at least one guideway of a protective device that can be arranged on the handheld power tool according to the preamble of claim 1.
- a handheld power tool device has already been proposed for at least one movable mounting of a shaft, in particular a drive spindle, of a handheld power tool in at least one guideway of a protective device that can be arranged on the handheld power tool.
- the object of the invention is in particular to provide a generic device with a long service life.
- the object is achieved by the features of claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
- the invention is based on a handheld power tool device at least for a movable mounting of a shaft, in particular a drive spindle, of a handheld power tool in at least one guideway on one Tool receiving area of the protective device of the hand-held power tool, which can be arranged, with at least the protective device , with at least one movement unit, in particular arranged on the protective device, which is provided for movably supporting the shaft at least along the guideway relative to the protective device, and with at least one different from one Linear and / or roller bearing unit of the movement unit, which is arranged, in particular at least partially at least substantially non-rotatably, on the movement unit and / or on the protective device and is provided for this purpose, at least during a movement of the shaft along the guideway, a minimum distance of the shaft Comply with at least one guiding contour of the guideway.
- the spacer unit have at least one spacer element, which is arranged, in particular at least essentially non-rotatably, on a movably mounted guide slide element of the movement unit.
- the guideway preferably has at least two guiding sections which run transversely to one another.
- the guideway preferably has an L-shaped or a Y-shaped configuration.
- the shaft is preferably movable relative to the protective device along a straight guideway section of the guideway or along a further guideway section of the guideway that is at least partially angled to the straight guideway section, in particular in addition to a rotational movement about an axis of rotation of the shaft.
- the guideway is advantageously arranged on a side of the protective device facing the tool receiving area of the hand-held power tool, in particular a protective cover of the protective device, in particular when viewed in a state of the protective device arranged on the tool receiving area.
- the guideway has another configuration and / or arrangement that appears to be useful to a person skilled in the art.
- a “tool holding area of the hand tool” is to be understood here in particular to mean an area of the hand tool in which an output element, in particular the shaft, consists of one
- the tool receiving area is preferably arranged on a gear housing of the hand power tool.
- the protective device is preferably attached to the gear housing via the movement unit.
- the protective device is preferably movably mounted by means of the movement unit relative to a housing unit, in particular at least relative to the gear housing, of the hand power tool. With regard to an embodiment of the protective device, the EP 2 363 242 B1 to get expelled.
- the movement unit is preferably provided to mount the shaft in a translational and / or rotary manner, at least along the guideway, relative to the protective device.
- the term "movably mounted” is intended in particular to define a mounting of a unit and / or an element, the unit and / or the element, in particular decoupled from an elastic deformation of the unit and / or the element, being able to move along at least a distance greater than 10 mm, preferably greater than 25 mm and particularly preferably greater than 50 mm and / or has a possibility of movement about at least one axis through an angle greater than 10 °, preferably greater than 30 ° and particularly preferably greater than 60 °.
- the movement unit is preferably designed as a guide carriage.
- the movement unit is preferably movably, in particular translationally and / or pivotably, mounted on the protective device.
- the movement unit is preferably arranged on a side of the protective device on the protective device facing away from a tool receiving space of the protective device.
- the spacer unit is preferably provided for the purpose of direct contact and / or collision of the shaft with the guide track, in particular the guide contour, during a movement of the shaft along the guide track to avoid.
- the distance unit is preferably configured differently from a stop, in particular an adjustable stop, of the movement unit, which is particularly intended to limit a movement distance of the movement unit, in particular at least the guide slide element, relative to the protective device.
- the spacing unit is preferably provided to ensure a minimum distance of the shaft relative to at least one guide contour of the guide track, at least during a movement of the shaft along the guide track. “Provided” is to be understood in particular to be specially designed and / or specially equipped.
- an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
- “At least essentially non-rotatably” is to be understood in particular to mean an arrangement and / or a connection of at least two elements and / or units, with a rotational movement of the elements and / or of the units, in particular in at least one direction of rotation, relative to one another, in particular with the exception of an elastic or plastic deformation of the elements and / or the units and / or a slight play between the elements and / or the units is largely prevented, in particular in an assembled state of the elements and / or the units.
- the distance unit is designed differently from a bearing receiving unit and / or differently from a rolling bearing unit.
- the spacer unit has at least one spacer element which is designed differently from a bearing receiving element, in particular a bearing receiving sleeve, and / or differently from a bearing element, in particular a rolling bearing.
- the spacer element is preferably formed from bronze, from brass, from steel, from plastic or another material that appears useful to a person skilled in the art.
- the spacer element can be designed as a sleeve, as a bolt, as a backdrop or the like.
- the shaft can particularly preferably be driven in rotation relative to the distance unit.
- the distance unit is preferably designed in this way and / or arranged in such a way that a rotational movement of the spacer unit, in particular at least the spacer element, is prevented together with the shaft about the axis of rotation of the shaft.
- the shaft preferably extends at least partially through the spacer unit, in particular the spacer element, in particular viewed along the axis of rotation of the shaft.
- the at least one spacer element is arranged at least essentially non-rotatably on the guide carriage element by means of a non-positive and / or positive connection.
- the at least one spacer element, together with the guide slide element, is preferably mounted to be movable, in particular translatory and / or pivotable, relative to the protective device.
- the at least one spacer element can be designed as a sleeve which has at least one extension to an at least substantially rotationally fixed arrangement of the at least one spacer element on the guide slide element.
- the spacer element can be designed as a sleeve, which is formed in one piece with a locking ring or locking plate for an at least substantially rotationally fixed arrangement of the at least one spacer element on the guide slide element.
- the spacer element can be designed as a bolt, which is arranged at least essentially in a rotationally fixed manner on the guide slide element, or as another element that appears sensible to a person skilled in the art.
- the distance unit additionally or alternatively comprises at least one further element which is arranged at least essentially in a rotationally fixed or movable manner on the movement unit and / or on the protective device.
- the spacer unit has at least one additional spacer element which is rotatably mounted on the spacer element which is arranged at least substantially non-rotatably on the movement unit.
- the spacer element is at least substantially decoupled from a rotational movement of the shaft and can be driven in rotation, for example as a result of a movement of the guide carriage element, and rolls on the guide contour during a movement of the guide carriage element or by means of one on the guide contour arranged toothing, which interacts with an external toothing of the spacer element, can be driven as a result of a movement of the guide slide element.
- a movement of the spacer element together with the shaft about the axis of rotation of the shaft can advantageously be avoided in order to ensure the lowest possible relative speed between the spacer element and the guideway. Avoiding a collision and / or direct contact between the shaft and the guide contour can advantageously be achieved in a structurally simple manner. Wear on the shaft and / or the guideway can advantageously be kept low. A long service life of the handheld power tool device can advantageously be made possible.
- a reliable and at the same time low-wear guidance of the shaft along the guideway can be achieved on the movement unit, in particular in comparison to an embodiment of the spacer element which rotates with the shaft.
- Reliable compliance with a minimum distance of the shaft relative to the guide contour can advantageously be achieved during a movement of the shaft along the guide path.
- the movement unit have at least one bearing element for rotatably supporting the shaft, which is arranged outside a spacer element of the spacer unit.
- the bearing element is preferably designed as a roller bearing, in particular as a ball bearing.
- the bearing element has a different configuration which appears to be useful to a person skilled in the art, such as, for example, a configuration as a sliding bearing or the like.
- the bearing element is preferably arranged on the movement unit, in particular on a guide slide element of the movement unit.
- the spacer element is preferably arranged at a distance from the bearing element or is preferably at a transverse, in particular at least in Essentially perpendicular, to a side of the bearing element extending to a rotation axis of the bearing element on the bearing element.
- substantially perpendicular is intended to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular viewed in one plane, enclose an angle of 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 movement unit in an alternative embodiment of the hand-held power tool device, it is conceivable for the movement unit to be decoupled from the bearing element and for the shaft to be rotatably mounted together with the driven shaft as a result of a rotationally fixed connection to an output shaft of the hand-held power tool by means of a drive shaft bearing element of the hand-held power tool.
- functions can advantageously be divided, an independent configuration of a storage function and a distance function being advantageously made possible. Protection of the bearing element can advantageously be achieved. Direct contact and / or collision of the bearing element with the guide track, in particular with the guide contour, during a movement of the shaft along the guide track can advantageously be avoided.
- the distance unit has at least one sleeve-like spacer element, which is arranged on the movement unit, in particular at least essentially in a rotationally fixed manner.
- the shaft preferably extends through the sleeve-like spacer element in a direction at least substantially parallel to the axis of rotation of the shaft.
- “Essentially parallel” is to be understood here to mean in particular an orientation of a direction relative to a reference direction, in particular in a plane, the direction relative to the reference direction being a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- a structurally simple enclosure of the shaft can advantageously be achieved by the spacer element, in particular arranged at least essentially in a rotationally fixed manner, to advantageously avoid direct contact and / or a collision of the shaft with the guideway during movement of the shaft along the guideway ,
- the spacer unit have at least one sleeve-like spacer element that has at least one rotation-proof extension.
- the anti-rotation extension preferably extends along a direction at least substantially perpendicular to a central axis of the sleeve-like spacer element, in particular along a radial direction of the sleeve-like spacer element.
- the sleeve-like spacer element has a multiplicity of anti-rotation projections which are arranged distributed uniformly or unevenly on an outer circumference of the sleeve-shaped spacer element.
- the spacer unit has at least one spacer element which is formed in one piece with a securing element of the movement unit to secure a bearing element of the movement unit.
- the spacer element is preferably formed in one piece with a locking ring or with a locking plate of the movement unit, which is provided for securing, in particular for axially securing, a bearing element, in particular a ball bearing, of the movement unit.
- One-piece is to be understood to mean, in particular, at least cohesively connected, for example by means of a welding process, an adhesive process, a gating process and / or another process which seems sensible to the person skilled in the art, and / or advantageously in one piece, for example by a Manufactured in one piece and / or by one manufacture in a one- or multi-component injection molding process and advantageously from a single blank.
- assembly effort and manufacturing costs can advantageously be saved.
- An additional component for securing the bearing element can advantageously be dispensed with.
- the spacer unit has at least one spacer element which is formed in one piece with a securing element of the movement unit and which at least largely surrounds the shaft, in particular viewed along a circumferential direction of the shaft.
- the circumferential direction preferably runs in a plane extending at least substantially perpendicular to the axis of rotation of the shaft.
- the spacer element only partially surrounds the shaft, in particular viewed along a circumferential direction of the shaft, in particular at least in a potential contact area of the shaft, which could come into contact with the guide contour during a movement of the shaft along the guideway.
- the spacer element is preferably formed in one piece with a locking ring or with a locking plate and preferably comprises a sleeve-like base body through which the shaft preferably projects in an assembled state.
- the base body is preferably provided for abutment and / or for a stop on the guide contour of the guide track during a movement of the shaft along the guide track. Reliable protection of the shaft can advantageously be achieved by means of the configuration according to the invention.
- the distance unit be designed as a link unit.
- At least one link element of the link unit is preferably arranged on the movement unit, in particular at least essentially non-rotatably.
- At least one further link element is preferred Setting unit arranged on the protective device, in particular at least substantially non-rotatably.
- the link element arranged on the movement unit preferably interacts with the further link element arranged on the protective device.
- the link element is preferably designed in the form of a bolt or pin.
- the further backdrop element is preferably designed as a backdrop path, in particular as a backdrop path with two backdrop path sections running transversely to one another. The link element preferably engages at least partially in the further link element.
- the link element is designed as a slide track and the further link element is bolt or pin-shaped and at least partially engages in the link element.
- the link element and / or the further link element have / have a different configuration which appears to be useful to a person skilled in the art.
- the link element and the further link element preferably each form a spacer element of the spacer unit.
- the distance unit has at least one sliding track, which is arranged on the protective device and is designed differently from the guideway.
- the slide track is preferably arranged laterally offset from the guide track on the protective device.
- the slide track preferably has two slide track sections running transversely to one another.
- the slide track sections preferably run at least substantially parallel to the guide sections of the guide track.
- the slide track preferably has an L-shaped or a Y-shaped course.
- a hand tool in particular a window and / or assembly cutter, is proposed with at least one hand tool device according to the invention.
- a "handheld power tool” is to be understood here in particular to mean a machine for machining workpieces, which can be transported by an operator without a transport machine.
- the handheld power tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg. A long service life of the handheld power tool can advantageously be made possible by means of the configuration according to the invention.
- the handheld power tool device according to the invention and / or the handheld power tool according to the invention should / should not be limited to the application and embodiment described above.
- the hand-held power tool device according to the invention and / or the hand-held power tool according to the invention can have a number that differs from a number of individual elements, components and units specified here in order to fulfill a function described here.
- values lying within the stated limits are also to be considered disclosed and can be used as desired.
- FIG 1 shows a handheld power tool 14a with at least one handheld power tool device 10a.
- the handheld power tool 14a is designed in particular as a window milling machine or assembly milling machine. However, it is also conceivable for the handheld power tool 14a to have a different configuration that appears to be useful to a person skilled in the art, such as, for example, a configuration as an angle grinder, a circular saw or the like.
- the handheld power tool 14a has a housing unit 44a.
- the housing unit 44a is provided for this, at least to receive and / or store a drive unit 46a of the handheld power tool 14a.
- the housing unit 44a can be designed as a plastic housing unit, as a metal housing unit, as a pot housing unit, as a shell housing unit, as a combination of one of the housing units mentioned or as another housing unit which appears to be useful to a person skilled in the art.
- the drive unit 46a is designed in particular as an electric motor unit. However, it is also conceivable that the drive unit 46a has a different configuration that appears to be useful to a person skilled in the art, such as, for example, a configuration as a hybrid drive unit, as a combustion drive unit or the like.
- the handheld power tool 14a comprises at least one gear unit 48a.
- the gear unit 48a is arranged, in particular mounted, in the housing unit 44a.
- the drive unit 46a and the gear unit 48a are preferably provided to drive a shaft 12a, in particular a drive spindle, of the handheld power tool 14a in a manner already known to a person skilled in the art, in particular to drive it in a rotating manner.
- Handheld power tool 14a already has one, at least essentially already, to a person skilled in the art EP 2 363 242 B1 known design on. Unlike that EP 2 363 242 B1 Handheld power tool 14a preferably has handheld power tool device 10a with a distance unit 24a.
- the handheld power tool device 10a is provided at least for a movable mounting of the shaft 12a, in particular the drive spindle, of the handheld power tool 14a in at least one guideway 16a of a protective device 20a which can be arranged on the tool receiving area 18a of the handheld power tool 14a.
- the protective device 20a preferably encloses the machining tool 50a in a state of the machining tool 50a arranged completely in the protective device 20a to protect an operator from injuries.
- the handheld power tool device 10a comprises at least the protective device 20a and at least one movement unit 22a, which is arranged in particular on the protective device 20a and is intended to move the shaft 12a at least along the guideway 16a ( Figures 2 and 3 ) to be movable relative to the protective device 20a.
- the movement unit 22a is pivotally mounted on the protective device 20a ( Figure 2 ).
- a pivot axis 56a of the movement unit 22a runs in particular at least substantially parallel to a rotation axis 58a of the shaft 12a ( Figure 2 ).
- the movement unit 22a is mounted in a translationally movable manner on the protective device 20a ( Figure 2 ).
- a translation axis 60a of the movement unit 22a extends in particular at least substantially perpendicular to the axis of rotation 58a of the shaft 12a (FIG. 2).
- the movement unit 22a is designed as a guide carriage.
- the machining tool 50a can be moved out of the protective device 20a as a result of a movement of the shaft 12a by means of the movement unit 22a, in particular for machining workpieces (not shown here in more detail) onto one, at least essentially from a person skilled in the art EP 2 363 242 B1 known way to enable.
- the protective device 20a comprises two outlet openings 52a, 54a, from which the processing tool 50a can be at least partially moved out of the protective device 20a.
- a person skilled in the art is already familiar with an embodiment and a mode of operation of the protective device 20a from EP 2 363 242 B1 at least essentially known.
- the protective device 20a has, in particular, a suction connection 62a for connection to an external suction device (not shown in more detail here). It suction of workpiece particles can advantageously be achieved during machining of workpieces.
- the handheld power tool device 10a comprises at least the spacer unit 24a, which is designed differently from a linear and / or roller bearing unit of the movement unit 22a and which, in particular at least partially at least substantially non-rotatably, is arranged on the movement unit 22a and / or on the protective device 20a and is provided for this purpose to maintain a minimum distance of the shaft 12a relative to at least one guide contour 26a of the guide track 16a at least during a movement of the shaft 12a along the guide track 16a ( Figure 3 ).
- the spacer unit 24a has at least one spacer element 30a, which is arranged, in particular at least essentially non-rotatably, on a movably mounted guide slide element 34a of the movement unit 22a.
- the spacer 30a is designed like a sleeve.
- the spacer unit 24a has at least the sleeve-like spacer element 30a, which is arranged on the movement unit 22a, in particular at least essentially in a rotationally fixed manner.
- the spacer 30a engages at least partially in the guideway 16a.
- the spacer element 30a preferably slides on the guide contour 26a during a movement of the shaft 12a along the guide track 16a.
- the spacer element 30a is, in particular at least substantially non-rotatably, arranged on the guide slide element 34a.
- the spacer element 30a passes through a recess 64a of a further guide slide element 70a of the movement unit 22a.
- the recess 64a is preferably of identical design with at least one guideway section of the guideway 16a.
- the further guide slide element 70a is pivotally mounted on the protective device 20a about the pivot axis 56a.
- the guide slide element 34a is mounted on the further guide slide element 70a so as to be translationally movable along the translation axis 60a.
- the sleeve-like spacer 30a has at least one anti-rotation extension 36a, 38a ( Figures 3 and 4 ).
- the anti-rotation extension 36a, 38a is preferably arranged in the recess 64a of the further guide slide element 70a.
- the anti-rotation extension 36a, 38a can slide on a contour of the further guide carriage element 70a delimiting the recess 64a.
- the spacer element 30a preferably comprises at least two anti-rotation extensions 36a, 38a.
- the anti-rotation extensions 36a, 38a preferably have an at least substantially analogous configuration. However, it is also conceivable for the spacer element 30a to have a number of rotation lock extensions 36a, 38a that differs from two. In the following, the mode of operation and / or the configuration of the anti-rotation extensions 36a, 38a will be described in more detail using one of the anti-rotation extensions 36a, 38a.
- the anti-rotation extension 36a, 38a is preferably provided to arrange the spacer element 30a at least substantially non-rotatably on the guide slide element 34a and / or on the further guide slide element 70a, in particular in the recess 64a.
- the anti-rotation extension 36a, 38a preferably extends along a direction at least substantially perpendicular to the axis of rotation 58a.
- the anti-rotation extension 36a, 38a is in particular formed in one piece with a base body 66a of the spacer element 30a ( Figures 3 and 4 ).
- the anti-rotation extension 36a, 38a is formed separately from the base body 66a and is at least substantially non-rotatably fixed to the base body 66a by means of a connection which appears to be useful to a person skilled in the art.
- the base body 66a has a shape of a hollow cylinder with an annular cross section, in particular viewed in a plane running at least substantially perpendicular to the axis of rotation 58a.
- the base body 66a is provided for the passage of the shaft 12a.
- the shaft 12a viewed along the axis of rotation 58a, extends through the base body 66a in an assembled state.
- the base body 66a is preferably provided to specify a minimum distance of the shaft 12a relative to at least the guide contour 26a of the guide track 16a by a material thickness of the base body 66a. In particular, an outer surface of the base body 66a slides on the guide contour 26a during a movement of the shaft 12a along the guide track 16a.
- the spacer element 30a is mounted such that it can be moved in translation in the recess 64a, in particular by means of the guide carriage element 34a.
- the spacer element 30a, together with the guide slide element 34a, is mounted such that it can move relative to the protective device 20a, in particular about the pivot axis 56a and / or along the translation axis 60a of the movement unit 22a.
- the spacer element 30a is arranged on a side of the guide slide element 34a which faces the protective device 20a in a state of the movement unit 22a arranged on the protective device 20a.
- the shaft 12a is rotatably supported in the guide carriage element 34a by means of a bearing element 28a of the movement unit 22a.
- the bearing element 28a is designed as a roller bearing, in particular as a ball bearing.
- the bearing element 28a has a different configuration which appears to be useful to a person skilled in the art, such as, for example, a configuration as a slide bearing, a hydraulic bearing or the like.
- the movement unit 22a to be decoupled from the bearing element 28a is formed and the shaft 12a is rotatably mounted, for example, by means of an output shaft bearing element of the handheld power tool 14a arranged in the housing unit 44a.
- the movement unit 22a has at least the bearing element 28a for rotatably mounting the shaft 12a, which is arranged outside the spacer element 30a of the spacer unit 24a.
- the spacer element 30a can be arranged at a distance from the bearing element 28a, can rest on an outer surface of an outer ring of the bearing element 28a which runs at least transversely, in particular at least substantially perpendicularly, to the axis of rotation 58a, or in another way relative to the bearing element which appears to be useful to a person skilled in the art 28a may be arranged.
- the shaft 12a is in particular rotatably mounted relative to the spacer element 30a, in particular by means of the bearing element 28a, which is arranged on the guide slide element 34a.
- the shaft 12a can be arranged at a distance relative to an inner surface 68a of the base body 66a of the spacer element 30a facing the shaft 12a, in particular viewed along a direction at least substantially perpendicular to the axis of rotation 58a, or the shaft 12a slides during a rotation about the axis of rotation 58a the inner surface 68a.
- the spacer element 30a preferably has an inner diameter that is larger than an inner diameter of an inner ring of the bearing element 28a.
- a direct contact between the, in particular rotating, shaft 12a and the guide contour 26a of the guide track 16a can advantageously be made during a movement of the shaft 12a along the guide track 16a, in particular during a transition from a guide track section into a further guide track section of the guide track 16a can be avoided, in particular to allow a long service life of the handheld power tool device 10a.
- Figure 5 shows an alternative hand-held power tool device 10b at least for a movable mounting of a shaft (not shown in more detail here), in particular a drive spindle, of a hand-held power tool (not shown here in detail) in at least one guideway 16b on a tool receiving area (not shown here in more detail) of the protective device 20b that can be arranged.
- the handheld power tool on which the protective device 20b or the handheld power tool device 10b can be arranged has an at least substantially analogous configuration to that in the description of FIGS Figures 1 to 4 described hand tool 14a.
- the handheld power tool device 10b comprises at least the protective device 20b and at least one movement unit 22b, which is arranged in particular on the protective device 20b and is intended for movably supporting the shaft at least along the guide track 16b relative to the protective device 20b.
- the handheld power tool device 10b further comprises at least one spacer unit 24b which is different from a linear and / or roller bearing unit of the movement unit 22b and which, in particular at least partially at least substantially non-rotatably, is arranged on the movement unit 22b and / or on the protective device 20b and is provided for this purpose to maintain a minimum distance of the shaft relative to at least one guide contour 26b of the guide track 16b at least during a movement of the shaft along the guide track 16b.
- the spacer unit 24b has at least one spacer element 30b, which is arranged, in particular at least essentially non-rotatably, on a movably mounted guide slide element 34b of the movement unit 22b.
- the spacer 30b is designed like a sleeve.
- the spacer unit 24b has at least the sleeve-like spacer element 30b, which is arranged on the movement unit 22b, in particular at least essentially in a rotationally fixed manner.
- the spacer element 30b at least partially engages in the guideway 16b.
- the spacer element 30b preferably slides on the guide contour 26b during a movement of the shaft along the guide track 16b.
- the spacer element 30b is formed in one piece with a securing element 40b of the movement unit 22b for securing a bearing element 28b.
- the bearing element 28b is for a rotatable mounting of the shaft on the guide slide element 34b, in particular arranged in a bearing seat of the guide slide element 34b.
- the securing element 40b is provided for axially securing the bearing element 28b on the guide slide element 34b, in particular viewed along an axis of rotation of the shaft.
- the securing element 40b engages an axial securing of the bearing element 28b on the guide slide element 34b in a securing groove arranged on the guide slide element 34b, in particular along a direction at least substantially perpendicular to the axis of rotation of the shaft.
- the spacer element 30b can have at least one anti-rotation extension 36b, 38b ( Figures 5 and 6 ), which is provided to arrange the spacer element 30b at least substantially non-rotatably on the guide carriage element 34b.
- the anti-rotation extension 36b, 38b is preferably provided to cooperate positively and / or non-positively with at least one anti-rotation area of the guide slide element 34b in order to realize an at least substantially non-rotatable arrangement of the spacer element 30b on the guide slide element 34b.
- the anti-rotation extension 36b, 38b is in particular formed in one piece with the securing element 40b.
- the shaft can be arranged at a distance from an inner surface 68b of a base body 66b of the spacer element 30b facing the shaft, in particular viewed along a direction at least substantially perpendicular to the axis of rotation, or the shaft slides on the inner surface 68b during a rotation about the axis of rotation.
- the spacer element 30b preferably has an inner diameter that is larger than an inner diameter of an inner ring of the bearing element 28b.
- the distance unit 24b can advantageously be used during a movement of the shaft along the guideway 16b, in particular during a transition from one guideway section to another guideway section of the guideway 16b, direct contact between the, in particular rotating, shaft and the guiding contour 26b of the guideway 16b can be avoided, in particular in order to enable a long service life of the handheld power tool device 10b.
- Hand machine tool device 10b shown may refer to the in the description of Figures 1 to 4 Handheld power tool device 10a described.
- Figure 7 shows a further alternative handheld power tool device 10c at least for a movable mounting of a shaft (not shown here), in particular a drive spindle, a handheld power tool (not shown here) in at least one guideway 16c which can be arranged on a tool receiving area (not shown here) of the handheld power tool Protection device 20c.
- the handheld power tool on which the protective device 20c or the handheld power tool device 10c can be arranged has an at least substantially analogous configuration to that in the description of FIGS Figures 1 to 4 described hand tool 14a.
- the handheld power tool device 10c comprises at least the protective device 20c and at least one movement unit 22c, which is arranged in particular on the protective device 20c and is intended for movably supporting the shaft at least along the guideway 16c relative to the protective device 20c.
- the handheld power tool device 10c further comprises at least one spacer unit 24c which is different from a linear and / or roller bearing unit of the movement unit 22c and which, in particular at least partially at least substantially non-rotatably, is arranged on the movement unit 22c and / or on the protective device 20c and is provided for this purpose , to maintain a minimum distance of the shaft relative to at least one guide contour 26c of the guide track 16c, at least during a movement of the shaft along the guide track 16c.
- the distance unit 24c is designed as a link unit.
- the distance unit 24c has at least one slide track 42c, which is connected to the protective device 20c is arranged and is formed differently from the guideway 16c.
- the link path 42c preferably forms at least one spacer element 32c of the spacer unit 24c, which is arranged on the protective device 20c, in particular at least essentially in a rotationally fixed manner.
- the distance unit 24c has at least one link element, which is arranged at least substantially in a rotationally fixed manner on a guide slide element 34c of the movement unit 22c.
- the link element arranged on the guide slide element 34c forms in particular at least one spacer element 30c of the spacer unit 24c, which is arranged at least essentially in a rotationally fixed manner on the movement unit 22c.
- the link element is preferably bolt-shaped or pin-shaped.
- the link element has a main extension axis which, when the link element is arranged on the guide slide element 34c, extends at least substantially parallel to the axis of rotation of the shaft. Starting from the guide slide element 34c, the link element extends at least partially into or through the link path 42c.
- the link track 42c is arranged laterally offset from the guide track 16c on the protective device 20c.
- the slide track 42c has in particular at least two slide track sections running transversely to one another.
- the slide track sections of the slide track 42c each have a course which is at least substantially analogous to a course of at least one of at least two guide track sections of the guide track 16c.
- the slide track 42c has an L-shaped or a Y-shaped course.
- a positive guidance can advantageously be achieved by means of a cooperation of the link track 42c and the link element of the distance unit 24c.
- the distance unit 24c can advantageously avoid direct contact between the, in particular rotating, shaft and the guide contour 26c of the guideway 16c during a movement of the shaft along the guideway 16c, in particular during a transition from a guideway section to a further guideway section of the guideway 16c are, in particular to enable a long service life of the handheld power tool device 10c.
- Handheld machine tool device 10c may be referred to the handheld machine tool device 10a described in the description of FIGS. 1 to 4.
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Description
Die Erfindung betrifft eine Handwerkzeugmaschinenvorrichtung zumindest zu einer beweglichen Lagerung einer Welle, insbesondere einer Antriebsspindel, einer Handwerkzeugmaschine in zumindest einer Führungsbahn einer an der Handwerkzeugmaschine anordenbaren Schutzvorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a handheld power tool device for at least one movable mounting of a shaft, in particular a drive spindle, of a handheld power tool in at least one guideway of a protective device that can be arranged on the handheld power tool according to the preamble of claim 1.
In
Ferner ist aus
Die Aufgabe der Erfindung besteht insbesondere darin, eine gattungsgemäße Vorrichtung mit einer hohen Standzeit bereitzustellen. Die Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst, während vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung den Unteransprüchen entnommen werden können.The object of the invention is in particular to provide a generic device with a long service life. The object is achieved by the features of claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
Die Erfindung geht aus von einer Handwerkzeugmaschinenvorrichtung zumindest zu einer beweglichen Lagerung einer Welle, insbesondere einer Antriebsspindel, einer Handwerkzeugmaschine in zumindest einer Führungsbahn einer an einem Werkzeugaufnahmebereich der Handwerkzeugmaschine anordenbaren Schutzvorrichtung der Handwerkzeugmaschine, mit zumindest der Schutzvorrichtung, mit zumindest einer, insbesondere an der Schutzvorrichtung angeordneten, Bewegungseinheit, die dazu vorgesehen ist, die Welle zumindest entlang der Führungsbahn relativ zur Schutzvorrichtung beweglich zu lagern, und mit zumindest einer verschieden von einer Linear- und/oder Wälzlagereinheit der Bewegungseinheit ausgebildeten Distanzeinheit, die, insbesondere zumindest teilweise zumindest im Wesentlichen drehfest, an der Bewegungseinheit und/oder an der Schutzvorrichtung angeordnet ist und dazu vorgesehen ist, zumindest während einer Bewegung der Welle entlang der Führungsbahn einen Mindestabstand der Welle relativ zu zumindest einer Führungskontur der Führungsbahn einzuhalten.The invention is based on a handheld power tool device at least for a movable mounting of a shaft, in particular a drive spindle, of a handheld power tool in at least one guideway on one Tool receiving area of the protective device of the hand-held power tool, which can be arranged, with at least the protective device , with at least one movement unit, in particular arranged on the protective device, which is provided for movably supporting the shaft at least along the guideway relative to the protective device, and with at least one different from one Linear and / or roller bearing unit of the movement unit, which is arranged, in particular at least partially at least substantially non-rotatably, on the movement unit and / or on the protective device and is provided for this purpose, at least during a movement of the shaft along the guideway, a minimum distance of the shaft Comply with at least one guiding contour of the guideway.
Es wird vorgeschlagen, dass die Distanzeinheit zumindest ein Distanzelement aufweist, das, insbesondere zumindest im Wesentlichen drehfest, an einem beweglich gelagerten Führungsschlittenelement der Bewegungseinheit angeordnet ist. Vorzugsweise weist die Führungsbahn zumindest zwei Führungsabschnitte auf, die quer zueinander verlaufen. Bevorzugt weist die Führungsbahn eine L-förmige oder eine Y-förmige Ausgestaltung auf. Vorzugsweise ist die Welle in Abhängigkeit von einer Anwendungsanforderung mittels der Bewegungseinheit entlang eines geraden Führungsbahnabschnitts der Führungsbahn oder entlang eines zumindest teilweise zum geraden Führungsbahnabschnitt abgewinkelten weiteren Führungsbahnabschnitts der Führungsbahn relativ zur Schutzvorrichtung beweglich, insbesondere zusätzlich zu einer Rotationsbewegung um eine Rotationsachse der Welle.It is proposed that the spacer unit have at least one spacer element, which is arranged, in particular at least essentially non-rotatably, on a movably mounted guide slide element of the movement unit. The guideway preferably has at least two guiding sections which run transversely to one another. The guideway preferably has an L-shaped or a Y-shaped configuration. Depending on an application requirement, the shaft is preferably movable relative to the protective device along a straight guideway section of the guideway or along a further guideway section of the guideway that is at least partially angled to the straight guideway section, in particular in addition to a rotational movement about an axis of rotation of the shaft.
Vorteilhafterweise ist die Führungsbahn an einer dem Werkzeugaufnahmebereich der Handwerkzeugmaschine zugewandten Seite der Schutzvorrichtung, insbesondere einer Schutzabdeckung der Schutzvorrichtung, angeordnet, insbesondere betrachtet in einem am Werkzeugaufnahmebereich angeordneten Zustand der Schutzvorrichtung. Es ist jedoch auch denkbar, dass die Führungsbahn eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung und/oder Anordnung aufweist. Unter einem "Werkzeugaufnahmebereich der Handwerkzeugmaschine" soll hier insbesondere ein Bereich der Handwerkzeugmaschine verstanden werden, in dem sich ein Abtriebselement, insbesondere die Welle, aus einemThe guideway is advantageously arranged on a side of the protective device facing the tool receiving area of the hand-held power tool, in particular a protective cover of the protective device, in particular when viewed in a state of the protective device arranged on the tool receiving area. However, it is also conceivable that the guideway has another configuration and / or arrangement that appears to be useful to a person skilled in the art. A “tool holding area of the hand tool” is to be understood here in particular to mean an area of the hand tool in which an output element, in particular the shaft, consists of one
Gehäuse der Handwerkzeugmaschine heraus erstreckt. Bevorzugt ist der Werkzeugaufnahmebereich an einem Getriebegehäuse der Handwerkzeugmaschine angeordnet. Vorzugsweise ist die Schutzvorrichtung über die Bewegungseinheit an dem Getriebegehäuse befestigt. Bevorzugt ist die Schutzvorrichtung mittels der Bewegungseinheit relativ zu einer Gehäuseeinheit, insbesondere zumindest relativ zum Getriebegehäuse, der Handwerkzeugmaschine beweglich gelagert. Hinsichtlich einer Ausgestaltung der Schutzvorrichtung darf auf die
Die Bewegungseinheit ist vorzugsweise dazu vorgesehen, die Welle translatorisch und/oder rotatorisch zumindest entlang der Führungsbahn relativ zur Schutzvorrichtung beweglich zu lagern. Der Ausdruck "beweglich gelagert" soll insbesondere eine Lagerung einer Einheit und/oder eines Elements definieren, wobei die Einheit und/oder das Element, insbesondere entkoppelt von einer elastischen Verformung der Einheit und/oder des Elements, eine Bewegungsmöglichkeit entlang zumindest einer Strecke größer als 10 mm, bevorzugt größer als 25 mm und besonders bevorzugt größer als 50 mm aufweist und/oder eine Bewegungsmöglichkeit um zumindest eine Achse um einen Winkel größer als 10°, bevorzugt größer als 30° und besonders bevorzugt größer als 60° aufweist. Die Bewegungseinheit ist bevorzugt als Führungsschlitten ausgebildet. Es ist jedoch auch denkbar, dass die Bewegungseinheit eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweist. Vorzugsweise ist die Bewegungseinheit beweglich, insbesondere translatorisch und/oder schwenkbar, an der Schutzvorrichtung gelagert. Die Bewegungseinheit ist vorzugsweise an einer einem Werkzeugaufnahmeraum der Schutzvorrichtung abgewandten Seite der Schutzvorrichtung an der Schutzvorrichtung angeordnet.The movement unit is preferably provided to mount the shaft in a translational and / or rotary manner, at least along the guideway, relative to the protective device. The term "movably mounted" is intended in particular to define a mounting of a unit and / or an element, the unit and / or the element, in particular decoupled from an elastic deformation of the unit and / or the element, being able to move along at least a distance greater than 10 mm, preferably greater than 25 mm and particularly preferably greater than 50 mm and / or has a possibility of movement about at least one axis through an angle greater than 10 °, preferably greater than 30 ° and particularly preferably greater than 60 °. The movement unit is preferably designed as a guide carriage. However, it is also conceivable for the movement unit to have a different configuration that appears appropriate to a person skilled in the art. The movement unit is preferably movably, in particular translationally and / or pivotably, mounted on the protective device. The movement unit is preferably arranged on a side of the protective device on the protective device facing away from a tool receiving space of the protective device.
Die Distanzeinheit ist vorzugsweise dazu vorgesehen, eine direkte Berührung und/oder eine Kollision der Welle mit der Führungsbahn, insbesondere der Führungskontur, während einer Bewegung der Welle entlang der Führungsbahn vorteilhaft zu vermeiden. Vorzugsweise ist die Distanzeinheit verschieden von einem Anschlag, insbesondere einem einstellbaren Anschlag, der Bewegungseinheit ausgebildet, der insbesondere dazu vorgesehen ist, eine Bewegungsstrecke der Bewegungseinheit, insbesondere zumindest des Führungsschlittenelements, relativ zur Schutzvorrichtung zu begrenzen. Bevorzugt ist die Distanzeinheit dazu vorgesehen, zumindest während einer Bewegung der Welle entlang der Führungsbahn einen Mindestabstand der Welle relativ zu zumindest einer Führungskontur der Führungsbahn sicherzustellen. Unter "vorgesehen" soll insbesondere speziell ausgelegt und/oder speziell ausgestattet verstanden werden. Darunter, dass ein Objekt zu einer bestimmten Funktion vorgesehen ist, soll insbesondere verstanden werden, dass das Objekt diese bestimmte Funktion in zumindest einem Anwendungs- und/oder Betriebszustand erfüllt und/oder ausführt. Unter "zumindest im Wesentlichen drehfest" soll insbesondere eine Anordnung und/oder eine Verbindung von zumindest zwei Elementen und/oder Einheiten verstanden werden, wobei eine Drehbewegung der Elemente und/oder der Einheiten, insbesondere in zumindest eine Drehrichtung, relativ zueinander, insbesondere ausgenommen von einer elastischen oder plastischen Verformung der Elemente und/oder der Einheiten und/oder einem geringen Spiel zwischen den Elementen und/oder den Einheiten, weitestgehend unterbunden ist, insbesondere in einem aneinander montierten Zustand der Elemente und/oder der Einheiten.The spacer unit is preferably provided for the purpose of direct contact and / or collision of the shaft with the guide track, in particular the guide contour, during a movement of the shaft along the guide track to avoid. The distance unit is preferably configured differently from a stop, in particular an adjustable stop, of the movement unit, which is particularly intended to limit a movement distance of the movement unit, in particular at least the guide slide element, relative to the protective device. The spacing unit is preferably provided to ensure a minimum distance of the shaft relative to at least one guide contour of the guide track, at least during a movement of the shaft along the guide track. “Provided” is to be understood in particular to be specially designed and / or specially equipped. The fact that an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state. “At least essentially non-rotatably” is to be understood in particular to mean an arrangement and / or a connection of at least two elements and / or units, with a rotational movement of the elements and / or of the units, in particular in at least one direction of rotation, relative to one another, in particular with the exception of an elastic or plastic deformation of the elements and / or the units and / or a slight play between the elements and / or the units is largely prevented, in particular in an assembled state of the elements and / or the units.
Die Distanzeinheit ist verschieden von einer Lageraufnahmeeinheit und/oder verschieden von einer Wälzlagereinheit ausgebildet. Die Distanzeinheit weist zumindest ein Distanzelement auf, das verschieden von einem Lageraufnahmeelement, insbesondere einer Lageraufnahmehülse, und/oder verschieden von einem Lagerelement, insbesondere einem Wälzlager, ausgebildet ist. Vorzugsweise ist das Distanzelement aus Bronze, aus Messing, aus Stahl, aus Kunststoff oder einem anderen, einem Fachmann als sinnvoll erscheinenden Werkstoff gebildet. Das Distanzelement kann als Hülse, als Bolzen, als Kulisse o. dgl. ausgebildet sein. Besonders bevorzugt ist die Welle relativ zur Distanzeinheit rotierend antreibbar. Vorzugsweise ist die Distanzeinheit derart ausgestaltet und/oder derart angeordnet, dass eine Drehbewegung der Distanzeinheit, insbesondere zumindest des Distanzelements, zusammen mit der Welle um die Rotationsachse der Welle unterbunden ist. Bevorzugt erstreckt sich die Welle zumindest teilweise durch die Distanzeinheit, insbesondere das Distanzelement, hindurch, insbesondere betrachtet entlang der Rotationsachse der Welle.The distance unit is designed differently from a bearing receiving unit and / or differently from a rolling bearing unit. The spacer unit has at least one spacer element which is designed differently from a bearing receiving element, in particular a bearing receiving sleeve, and / or differently from a bearing element, in particular a rolling bearing. The spacer element is preferably formed from bronze, from brass, from steel, from plastic or another material that appears useful to a person skilled in the art. The spacer element can be designed as a sleeve, as a bolt, as a backdrop or the like. The shaft can particularly preferably be driven in rotation relative to the distance unit. The distance unit is preferably designed in this way and / or arranged in such a way that a rotational movement of the spacer unit, in particular at least the spacer element, is prevented together with the shaft about the axis of rotation of the shaft. The shaft preferably extends at least partially through the spacer unit, in particular the spacer element, in particular viewed along the axis of rotation of the shaft.
Vorzugsweise ist das zumindest eine Distanzelement mittels einer kraft- und/oder formschlüssigen Verbindung zumindest im Wesentlichen drehfest am Führungsschlittenelement angeordnet. Bevorzugt ist das zumindest eine Distanzelement zusammen mit dem Führungsschlittenelement relativ zur Schutzvorrichtung beweglich, insbesondere translatorisch und/oder schwenkbar, gelagert. Das zumindest eine Distanzelement kann als Hülse ausgebildet sein, die zumindest einen Fortsatz zu einer zumindest im Wesentlichen drehfesten Anordnung des zumindest einen Distanzelements am Führungsschlittenelement aufweist. Das Distanzelement kann als Hülse ausgebildet sein, die einteilig mit einem Sicherungsring oder Sicherungsblech zu einer zumindest im Wesentlichen drehfesten Anordnung des zumindest einen Distanzelements am Führungsschlittenelement ausgebildet ist. Das Distanzelement kann als Bolzen ausgebildet sein, der zumindest im Wesentlichen drehfest am Führungsschlittenelement angeordnet ist, oder als ein anderes, einem Fachmann als sinnvoll erscheinendes Element. Ferner ist es jedoch auch denkbar, dass die Distanzeinheit zusätzlich oder alternativ zumindest ein weiteres Element umfasst, das zumindest im Wesentlichen drehfest oder beweglich an der Bewegungseinheit und/oder an der Schutzvorrichtung angeordnet ist. Es ist beispielsweise denkbar, dass die Distanzeinheit zumindest ein zusätzliches Distanzelement aufweist, das drehbar an dem zumindest im Wesentlichen drehfest an der Bewegungseinheit angeordneten Distanzelement gelagert ist. Ebenso denkbar, ist es beispielsweise, dass das Distanzelement zumindest im Wesentlichen von einer Rotationsbewegung der Welle entkoppelt ist und beispielsweise infolge einer Bewegung des Führungsschlittenelements rotatorisch antreibbar ist und während einer Bewegung des Führungsschlittenelements relativ zur Schutzvorrichtung auf der Führungskontur wälzt oder durch eine an der Führungskontur angeordnete Verzahnung, die mit einer Außenverzahnung des Distanzelements zusammenwirkt, infolge einer Bewegung des Führungsschlittenelements antreibbar ist.Preferably, the at least one spacer element is arranged at least essentially non-rotatably on the guide carriage element by means of a non-positive and / or positive connection. The at least one spacer element, together with the guide slide element, is preferably mounted to be movable, in particular translatory and / or pivotable, relative to the protective device. The at least one spacer element can be designed as a sleeve which has at least one extension to an at least substantially rotationally fixed arrangement of the at least one spacer element on the guide slide element. The spacer element can be designed as a sleeve, which is formed in one piece with a locking ring or locking plate for an at least substantially rotationally fixed arrangement of the at least one spacer element on the guide slide element. The spacer element can be designed as a bolt, which is arranged at least essentially in a rotationally fixed manner on the guide slide element, or as another element that appears sensible to a person skilled in the art. Furthermore, however, it is also conceivable that the distance unit additionally or alternatively comprises at least one further element which is arranged at least essentially in a rotationally fixed or movable manner on the movement unit and / or on the protective device. It is conceivable, for example, that the spacer unit has at least one additional spacer element which is rotatably mounted on the spacer element which is arranged at least substantially non-rotatably on the movement unit. It is also conceivable, for example, that the spacer element is at least substantially decoupled from a rotational movement of the shaft and can be driven in rotation, for example as a result of a movement of the guide carriage element, and rolls on the guide contour during a movement of the guide carriage element or by means of one on the guide contour arranged toothing, which interacts with an external toothing of the spacer element, can be driven as a result of a movement of the guide slide element.
Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine Bewegung des Distanzelements zusammen mit der Welle um die Rotationsachse der Welle vermieden werden, um eine möglichst geringe Relativgeschwindigkeit zwischen dem Distanzelement und der Führungsbahn sicherzustellen. Es kann vorteilhaft konstruktiv einfach eine Vermeidung einer Kollision und/oder einer direkten Berührung zwischen der Welle und der Führungskontur erreicht werden. Es kann vorteilhaft ein Verschleiß der Welle und/oder der Führungsbahn gering gehalten werden. Es kann vorteilhaft eine hohe Standzeit der Handwerkzeugmaschinenvorrichtung ermöglicht werden. Vorteilhafterweise kann infolge einer zumindest im Wesentlichen drehfesten Anordnung der Distanzeinheit, insbesondere zumindest dem Distanzelement, an der Bewegungseinheit eine zuverlässige und zugleich verschleißarme Führung der Welle entlang der Führungsbahn erreicht werden, insbesondere im Vergleich zu einer mit der Welle mitdrehenden Ausgestaltung des Distanzelements. Es kann vorteilhaft eine zuverlässige Einhaltung eines Mindestabstands der Welle relativ zur Führungskontur während einer Bewegung der Welle entlang der Führungsbahn erreicht werden.By means of the configuration according to the invention, a movement of the spacer element together with the shaft about the axis of rotation of the shaft can advantageously be avoided in order to ensure the lowest possible relative speed between the spacer element and the guideway. Avoiding a collision and / or direct contact between the shaft and the guide contour can advantageously be achieved in a structurally simple manner. Wear on the shaft and / or the guideway can advantageously be kept low. A long service life of the handheld power tool device can advantageously be made possible. Advantageously, as a result of an at least substantially rotationally fixed arrangement of the spacer unit, in particular at least the spacer element, a reliable and at the same time low-wear guidance of the shaft along the guideway can be achieved on the movement unit, in particular in comparison to an embodiment of the spacer element which rotates with the shaft. Reliable compliance with a minimum distance of the shaft relative to the guide contour can advantageously be achieved during a movement of the shaft along the guide path.
Des Weiteren wird vorgeschlagen, dass die Bewegungseinheit zumindest ein Lagerelement zu einer drehbaren Lagerung der Welle aufweist, das außerhalb eines Distanzelements der Distanzeinheit angeordnet ist. Das Lagerelement ist vorzugsweise als Wälzlager, insbesondere als Kugellager, ausgebildet. Es ist jedoch auch denkbar, dass das Lagerelement eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweist, wie beispielsweise eine Ausgestaltung als Gleitlager o. dgl. Das Lagerelement ist bevorzugt an der Bewegungseinheit, insbesondere an einem Führungsschlittenelement der Bewegungseinheit, angeordnet. Das Distanzelement ist vorzugsweise beabstandet relativ zum Lagerelement angeordnet oder liegt vorzugsweise an einer quer, insbesondere zumindest im Wesentlichen senkrecht, zu einer Rotationsachse des Lagerelements verlaufenden Seite des Lagerelements am Lagerelement an. Der Ausdruck "im Wesentlichen senkrecht" soll hier insbesondere eine Ausrichtung einer Richtung relativ zu einer Bezugsrichtung definieren, wobei die Richtung und die Bezugsrichtung, insbesondere in einer Ebene betrachtet, einen Winkel von 90° einschließen und der Winkel eine maximale Abweichung von insbesondere kleiner als 8°, vorteilhaft kleiner als 5° und besonders vorteilhaft kleiner als 2° aufweist. In einer alternativen Ausgestaltung der Handwerkzeugmaschinenvorrichtung ist es denkbar, dass die Bewegungseinheit entkoppelt von dem Lagerelement ausgebildet ist und die Welle infolge einer drehfesten Verbindung mit einer Abtriebswelle der Handwerkzeugmaschine durch ein Antriebswellenlagerelement der Handwerkzeugmaschine gemeinsam mit der Abtriebswelle drehbar gelagert ist. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine Aufteilung von Funktionen erfolgen, wobei vorteilhaft eine unabhängige Auslegung einer Lagerfunktion und einer Distanzfunktion ermöglicht werden kann. Es kann vorteilhaft eine Schonung des Lagerelements erreicht werden. Eine direkte Berührung und/oder eine Kollision des Lagerelements mit der Führungsbahn, insbesondere mit der Führungskontur, während einer Bewegung der Welle entlang der Führungsbahn kann vorteilhaft vermieden werden.Furthermore, it is proposed that the movement unit have at least one bearing element for rotatably supporting the shaft, which is arranged outside a spacer element of the spacer unit. The bearing element is preferably designed as a roller bearing, in particular as a ball bearing. However, it is also conceivable that the bearing element has a different configuration which appears to be useful to a person skilled in the art, such as, for example, a configuration as a sliding bearing or the like. The bearing element is preferably arranged on the movement unit, in particular on a guide slide element of the movement unit. The spacer element is preferably arranged at a distance from the bearing element or is preferably at a transverse, in particular at least in Essentially perpendicular, to a side of the bearing element extending to a rotation axis of the bearing element on the bearing element. The expression “substantially perpendicular” is intended to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular viewed in one plane, enclose an angle of 90 ° and the angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. In an alternative embodiment of the hand-held power tool device, it is conceivable for the movement unit to be decoupled from the bearing element and for the shaft to be rotatably mounted together with the driven shaft as a result of a rotationally fixed connection to an output shaft of the hand-held power tool by means of a drive shaft bearing element of the hand-held power tool. By means of the configuration according to the invention, functions can advantageously be divided, an independent configuration of a storage function and a distance function being advantageously made possible. Protection of the bearing element can advantageously be achieved. Direct contact and / or collision of the bearing element with the guide track, in particular with the guide contour, during a movement of the shaft along the guide track can advantageously be avoided.
Zudem wird vorgeschlagen, dass die Distanzeinheit zumindest ein hülsenartiges Distanzelement aufweist, das, insbesondere zumindest im Wesentlichen drehfest, an der Bewegungseinheit angeordnet ist. Vorzugsweise erstreckt sich die Welle entlang einer zumindest im Wesentlichen parallel zur Rotationsachse der Welle verlaufenden Richtung durch das hülsenartige Distanzelement hindurch. Unter "im Wesentlichen parallel" soll hier insbesondere eine Ausrichtung einer Richtung relativ zu einer Bezugsrichtung, insbesondere in einer Ebene, verstanden werden, wobei die Richtung gegenüber der Bezugsrichtung eine Abweichung insbesondere kleiner als 8°, vorteilhaft kleiner als 5° und besonders vorteilhaft kleiner als 2° aufweist. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine konstruktiv einfache Umschließung der Welle durch das, insbesondere zumindest im Wesentlichen drehfest angeordnete, Distanzelement zu einer vorteilhaften Vermeidung einer direkten Berührung und/oder einer Kollision der Welle mit der Führungsbahn während einer Bewegung der Welle entlang der Führungsbahn erreicht werden.In addition, it is proposed that the distance unit has at least one sleeve-like spacer element, which is arranged on the movement unit, in particular at least essentially in a rotationally fixed manner. The shaft preferably extends through the sleeve-like spacer element in a direction at least substantially parallel to the axis of rotation of the shaft. “Essentially parallel” is to be understood here to mean in particular an orientation of a direction relative to a reference direction, in particular in a plane, the direction relative to the reference direction being a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. By means of the configuration according to the invention, a structurally simple enclosure of the shaft can advantageously be achieved by the spacer element, in particular arranged at least essentially in a rotationally fixed manner, to advantageously avoid direct contact and / or a collision of the shaft with the guideway during movement of the shaft along the guideway ,
Des Weiteren wird vorgeschlagen, dass die Distanzeinheit zumindest ein hülsenartiges Distanzelement aufweist, das zumindest einen Drehsicherungsfortsatz aufweist. Der Drehsicherungsfortsatz erstreckt sich vorzugsweise entlang einer zumindest im Wesentlichen senkrecht zu einer Mittelachse des hülsenartigen Distanzelements verlaufenden Richtung, insbesondere entlang einer radialen Richtung, des hülsenartigen Distanzelements. Es ist denkbar, dass das hülsenartige Distanzelement eine Vielzahl an Drehsicherungsfortsätzen aufweist, die gleichmäßig oder ungleichmäßig an einem Außenumfang des hülsenförmigen Distanzelements verteilt angeordnet sind. Mittels der erfindungsgemäßen Ausgestaltung kann konstruktiv einfach eine zumindest im Wesentlichen drehfeste Anordnung des Distanzelements ermöglicht werden.Furthermore, it is proposed that the spacer unit have at least one sleeve-like spacer element that has at least one rotation-proof extension. The anti-rotation extension preferably extends along a direction at least substantially perpendicular to a central axis of the sleeve-like spacer element, in particular along a radial direction of the sleeve-like spacer element. It is conceivable that the sleeve-like spacer element has a multiplicity of anti-rotation projections which are arranged distributed uniformly or unevenly on an outer circumference of the sleeve-shaped spacer element. By means of the configuration according to the invention, an at least substantially non-rotatable arrangement of the spacer element can be made structurally simple.
Ferner wird vorgeschlagen, dass die Distanzeinheit zumindest ein Distanzelement aufweist, das einteilig mit einem Sicherungselement der Bewegungseinheit zu einer Sicherung eines Lagerelements der Bewegungseinheit ausgebildet ist. Vorzugsweise ist das Distanzelement einteilig mit einem Sicherungsring oder mit einem Sicherungsblech der Bewegungseinheit ausgebildet, der oder das zu einer Sicherung, insbesondere zu einer Axialsicherung, eines Lagerelements, insbesondere eines Kugellagers, der Bewegungseinheit vorgesehen ist. Unter "einteilig" soll insbesondere zumindest stoffschlüssig verbunden verstanden werden, beispielsweise durch einen Schweißprozess, einen Klebeprozess, einen Anspritzprozess und/oder einen anderen, dem Fachmann als sinnvoll erscheinenden Prozess, und/oder vorteilhaft in einem Stück geformt verstanden werden, wie beispielsweise durch eine Herstellung aus einem Guss und/oder durch eine Herstellung in einem Ein- oder Mehrkomponentenspritzverfahren und vorteilhaft aus einem einzelnen Rohling. Mittels der erfindungsgemäßen Ausgestaltung können vorteilhaft Montageaufwand und Herstellungskosten eingespart werden. Es kann vorteilhaft auf ein zusätzliches Bauteil zu einer Sicherung des Lagerelements verzichtet werden.It is further proposed that the spacer unit has at least one spacer element which is formed in one piece with a securing element of the movement unit to secure a bearing element of the movement unit. The spacer element is preferably formed in one piece with a locking ring or with a locking plate of the movement unit, which is provided for securing, in particular for axially securing, a bearing element, in particular a ball bearing, of the movement unit. "One-piece" is to be understood to mean, in particular, at least cohesively connected, for example by means of a welding process, an adhesive process, a gating process and / or another process which seems sensible to the person skilled in the art, and / or advantageously in one piece, for example by a Manufactured in one piece and / or by one manufacture in a one- or multi-component injection molding process and advantageously from a single blank. By means of the configuration according to the invention, assembly effort and manufacturing costs can advantageously be saved. An additional component for securing the bearing element can advantageously be dispensed with.
Zudem wird vorgeschlagen, dass die Distanzeinheit zumindest ein einteilig mit einem Sicherungselement der Bewegungseinheit ausgebildetes Distanzelement aufweist, das die Welle zumindest zu einem Großteil umschließt, insbesondere betrachtet entlang einer Umfangsrichtung der Welle. Bevorzugt verläuft die Umfangsrichtung in einer sich zumindest im Wesentlichen senkrecht zur Rotationsachse der Welle erstreckenden Ebene. Es ist jedoch auch denkbar, dass das Distanzelement die Welle lediglich teilweise umschließt, insbesondere betrachtet entlang einer Umfangsrichtung der Welle, insbesondere zumindest in einem potentiellen Kontaktbereich der Welle, der während einer Bewegung der Welle entlang der Führungsbahn mit der Führungskontur in Kontakt kommen könnte. Es ist auch denkbar, dass das Distanzelement lediglich in einem Übergangsbereich zwischen den Führungsbahnabschnitten der Führungsbahn angeordnet ist, um eine direkte Berührung der Welle und der Führungskontur zu vermeiden. Vorzugsweise ist das Distanzelement einteilig mit einem Sicherungsring oder mit einem Sicherungsblech ausgebildet und umfasst bevorzugt einen hülsenartigen Grundkörper, durch den die Welle vorzugsweise in einem montierten Zustand hindurchragt. Bevorzugt ist der Grundkörper zu einer Anlage und/oder zu einem Anschlagen an der Führungskontur der Führungsbahn während einer Bewegung der Welle entlang der Führungsbahn vorgesehen. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft ein zuverlässiger Schutz der Welle erreicht werden.In addition, it is proposed that the spacer unit has at least one spacer element which is formed in one piece with a securing element of the movement unit and which at least largely surrounds the shaft, in particular viewed along a circumferential direction of the shaft. The circumferential direction preferably runs in a plane extending at least substantially perpendicular to the axis of rotation of the shaft. However, it is also conceivable that the spacer element only partially surrounds the shaft, in particular viewed along a circumferential direction of the shaft, in particular at least in a potential contact area of the shaft, which could come into contact with the guide contour during a movement of the shaft along the guideway. It is also conceivable for the spacer element to be arranged only in a transition region between the guideway sections of the guideway in order to avoid direct contact between the shaft and the guiding contour. The spacer element is preferably formed in one piece with a locking ring or with a locking plate and preferably comprises a sleeve-like base body through which the shaft preferably projects in an assembled state. The base body is preferably provided for abutment and / or for a stop on the guide contour of the guide track during a movement of the shaft along the guide track. Reliable protection of the shaft can advantageously be achieved by means of the configuration according to the invention.
Des Weiteren wird, insbesondere in einer alternativen Ausgestaltung der Handwerkzeugmaschinenvorrichtung, vorgeschlagen, dass die Distanzeinheit als Kulisseneinheit ausgebildet ist. Vorzugsweise ist zumindest ein Kulissenelement der Kulisseneinheit an der Bewegungseinheit angeordnet, insbesondere zumindest im Wesentlichen drehfest. Bevorzugt ist zumindest ein weiteres Kulissenelement der Kulisseneinheit an der Schutzvorrichtung angeordnet, insbesondere zumindest im Wesentlichen drehfest. Vorzugsweise wirkt das an der Bewegungseinheit angeordnete Kulissenelement mit dem an der Schutzvorrichtung angeordneten weiteren Kulissenelement zusammen. Bevorzugt ist das Kulissenelement bolzen- oder stiftförmig ausgebildet. Vorzugsweise ist das weitere Kulissenelement als Kulissenbahn ausgebildet, insbesondere als Kulissenbahn mit zwei quer zueinander verlaufenden Kulissenbahnabschnitten. Bevorzugt greift das Kulissenelement zumindest teilweise in das weitere Kulissenelement ein. Denkbar ist jedoch auch, dass das Kulissenelement als Kulissenbahn ausgebildet ist und das weitere Kulissenelement bolzen- oder stiftförmig ausgebildet ist und zumindest teilweise in das Kulissenelement eingreift. Es ist jedoch auch denkbar, dass das Kulissenelement und/oder das weitere Kulissenelement eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweisen/aufweist. Das Kulissenelement und das weitere Kulissenelement bilden vorzugsweise jeweils ein Distanzelement der Distanzeinheit. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine zuverlässige Einhaltung eines Mindestabstands der Welle relativ zur Führungskontur der Führungsbahn ermöglicht werden, insbesondere infolge einer Zwangsführung durch ein Zusammenwirken des bolzen- oder stiftförmigen Kulissenelements und des als Kulissenbahn ausgebildeten weiteren Kulissenelements.Furthermore, in particular in an alternative embodiment of the handheld power tool device, it is proposed that the distance unit be designed as a link unit. At least one link element of the link unit is preferably arranged on the movement unit, in particular at least essentially non-rotatably. At least one further link element is preferred Setting unit arranged on the protective device, in particular at least substantially non-rotatably. The link element arranged on the movement unit preferably interacts with the further link element arranged on the protective device. The link element is preferably designed in the form of a bolt or pin. The further backdrop element is preferably designed as a backdrop path, in particular as a backdrop path with two backdrop path sections running transversely to one another. The link element preferably engages at least partially in the further link element. However, it is also conceivable that the link element is designed as a slide track and the further link element is bolt or pin-shaped and at least partially engages in the link element. However, it is also conceivable that the link element and / or the further link element have / have a different configuration which appears to be useful to a person skilled in the art. The link element and the further link element preferably each form a spacer element of the spacer unit. By means of the configuration according to the invention, a reliable maintenance of a minimum distance of the shaft relative to the guide contour of the guide track can advantageously be made possible, in particular as a result of a forced guidance by the interaction of the pin-shaped or pin-shaped link element and the further link element designed as a link track.
Ferner wird vorgeschlagen, dass die Distanzeinheit zumindest eine Kulissenbahn aufweist, die an der Schutzvorrichtung angeordnet ist und verschieden von der Führungsbahn ausgebildet ist. Vorzugsweise ist die Kulissenbahn seitlich versetzt zur Führungsbahn an der Schutzvorrichtung angeordnet. Vorzugsweise weist die Kulissenbahn zwei quer zueinander verlaufende Kulissenbahnabschnitte auf. Bevorzugt verlaufen die Kulissenbahnabschnitte zumindest im Wesentlichen parallel zu den Führungsabschnitten der Führungsbahn. Vorzugsweise weist die Kulissenbahn einen L-förmigen oder einen Y-förmigen Verlauf auf. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft und konstruktiv einfach eine zuverlässige Einhaltung eines Mindestabstands der Welle relativ zur Führungskontur während einer Bewegung der Welle entlang der Führungsbahn erreicht werden.It is further proposed that the distance unit has at least one sliding track, which is arranged on the protective device and is designed differently from the guideway. The slide track is preferably arranged laterally offset from the guide track on the protective device. The slide track preferably has two slide track sections running transversely to one another. The slide track sections preferably run at least substantially parallel to the guide sections of the guide track. The slide track preferably has an L-shaped or a Y-shaped course. By means of the configuration according to the invention, reliable and constructively simple maintenance of a minimum distance of the shaft relative to the guide contour can be achieved during a movement of the shaft along the guide path.
Zudem wird eine Handwerkzeugmaschine, insbesondere eine Fenster- und/oder Montagefräse, mit zumindest einer erfindungsgemäßen Handwerkzeugmaschinenvorrichtung vorgeschlagen. Unter einer "Handwerkzeugmaschine" soll hier insbesondere eine Maschine zu einer Bearbeitung von Werkstücken verstanden werden, die von einem Bediener transportmaschinenlos transportiert werden kann. Die Handwerkzeugmaschine weist insbesondere eine Masse auf, die kleiner ist als 40 kg, bevorzugt kleiner ist als 10 kg und besonders bevorzugt kleiner ist als 5 kg. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine hohe Standzeit der Handwerkzeugmaschine ermöglicht werden.In addition, a hand tool, in particular a window and / or assembly cutter, is proposed with at least one hand tool device according to the invention. A "handheld power tool" is to be understood here in particular to mean a machine for machining workpieces, which can be transported by an operator without a transport machine. The handheld power tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg. A long service life of the handheld power tool can advantageously be made possible by means of the configuration according to the invention.
Die erfindungsgemäße Handwerkzeugmaschinenvorrichtung und/oder die erfindungsgemäße Handwerkzeugmaschine sollen/soll hierbei nicht auf die oben beschriebene Anwendung und Ausführungsform beschränkt sein. Insbesondere können/kann die erfindungsgemäße Handwerkzeugmaschinenvorrichtung und/oder die erfindungsgemäße Handwerkzeugmaschine zu einer Erfüllung einer hierin beschriebenen Funktionsweise eine von einer hierin genannten Anzahl von einzelnen Elementen, Bauteilen und Einheiten abweichende Anzahl aufweisen. Zudem sollen bei den in dieser Offenbarung angegebenen Wertebereichen auch innerhalb der genannten Grenzen liegende Werte als offenbart und als beliebig einsetzbar gelten.The handheld power tool device according to the invention and / or the handheld power tool according to the invention should / should not be limited to the application and embodiment described above. In particular, the hand-held power tool device according to the invention and / or the hand-held power tool according to the invention can have a number that differs from a number of individual elements, components and units specified here in order to fulfill a function described here. In addition, for the value ranges specified in this disclosure, values lying within the stated limits are also to be considered disclosed and can be used as desired.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In den Zeichnungen sind drei Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnungen, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages result from the following description of the drawing. Three exemplary embodiments of the invention are shown in the drawings. The drawings, description, and claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into useful further combinations.
Es zeigen:
- Fig. 1
- eine erfindungsgemäße Handwerkzeugmaschine in einer schematischen Darstellung,
- Fig. 2
- eine erfindungsgemäße Handwerkzeugmaschinenvorrichtung der erfindungsgemäßen Handwerkzeugmaschine in einem von der erfindungsgemäßen Handwerkzeugmaschine abgenommenen Zustand in einer schematischen Darstellung,
- Fig. 3
- eine Detailansicht einer Distanzeinheit der erfindungsgemäßen Handwerkzeugmaschinenvorrichtung in einer schematischen Darstellung,
- Fig. 4
- eine Detailansicht eines Distanzelements der Distanzeinheit aus
Figur 3 in einer schematischen Darstellung, - Fig. 5
- eine Detailansicht einer Distanzeinheit einer alternativen erfindungsgemäßen Handwerkzeugmaschinenvorrichtung in einer schematischen Darstellung,
- Fig. 6
- eine Detailansicht eines Distanzelements der Distanzeinheit aus
Figur 5 in einer schematischen Darstellung und - Fig. 7
- eine Detailansicht einer Distanzeinheit einer weiteren alternativen erfindungsgemäßen Handwerkzeugmaschinenvorrichtung in einer schematischen Darstellung.
- Fig. 1
- a hand tool according to the invention in a schematic representation,
- Fig. 2
- a handheld power tool device of the handheld power tool according to the invention in a state removed from the handheld power tool according to the invention in a schematic representation,
- Fig. 3
- 2 shows a detailed view of a distance unit of the handheld power tool device according to the invention in a schematic illustration,
- Fig. 4
- a detailed view of a spacer element of the spacer
Figure 3 in a schematic representation, - Fig. 5
- 2 shows a detailed view of a distance unit of an alternative handheld power tool device according to the invention in a schematic illustration,
- Fig. 6
- a detailed view of a spacer element of the spacer
Figure 5 in a schematic representation and - Fig. 7
- a detailed view of a distance unit of another alternative handheld power tool device according to the invention in a schematic representation.
Die Antriebseinheit 46a ist insbesondere als Elektromotoreinheit ausgebildet. Es ist jedoch auch denkbar, dass die Antriebseinheit 46a eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweist, wie beispielsweise eine Ausgestaltung als Hybridantriebseinheit, als Verbrennungsantriebseinheit o. dgl. Die Handwerkzeugmaschine 14a umfasst zumindest eine Getriebeeinheit 48a. Die Getriebeeinheit 48a ist in der Gehäuseeinheit 44a angeordnet, insbesondere gelagert. Die Antriebseinheit 46a und die Getriebeeinheit 48a sind vorzugsweise dazu vorgesehen, auf eine, einem Fachmann bereits bekannte Art und Weise eine Welle 12a, insbesondere eine Antriebsspindel, der Handwerkzeugmaschine 14a, anzutreiben, insbesondere rotierend anzutreiben. Es ist jedoch auch denkbar, dass die Handwerkzeugmaschine 14a in einer alternativen Ausgestaltung entkoppelt von der Getriebeeinheit 48a ausgebildet ist und die Welle 12a im Wesentlichen direkt mittels der Antriebseinheit 46a antreibbar ist. Die Welle 12a erstreckt sich in einem Werkzeugaufnahmebereich 18a der Handwerkzeugmaschine 14a aus der Gehäuseeinheit 44a heraus. Die Welle 12a ist zu einer Verbindung mit einem Bearbeitungswerkzeug 50a vorgesehen. Das Bearbeitungswerkzeug 50a ist in dem in
Die Handwerkzeugmaschinenvorrichtung 10a ist zumindest zu einer beweglichen Lagerung der Welle 12a, insbesondere der Antriebsspindel, der Handwerkzeugmaschine 14a in zumindest einer Führungsbahn 16a einer an dem Werkzeugaufnahmebereich 18a der Handwerkzeugmaschine 14a anordenbaren Schutzvorrichtung 20a vorgesehen. Die Schutzvorrichtung 20a umschließt vorzugsweise das Bearbeitungswerkzeug 50a in einem vollständig in der Schutzvorrichtung 20a angeordneten Zustand des Bearbeitungswerkzeugs 50a zu einem Schutz eines Bedieners vor Verletzungen. Die Handwerkzeugmaschinenvorrichtung 10a umfasst zumindest die Schutzvorrichtung 20a und zumindest eine, insbesondere an der Schutzvorrichtung 20a angeordnete, Bewegungseinheit 22a, die dazu vorgesehen ist, die Welle 12a zumindest entlang der Führungsbahn 16a (
Ferner umfasst die Handwerkzeugmaschinenvorrichtung 10a zumindest die verschieden von einer Linear- und/oder Wälzlagereinheit der Bewegungseinheit 22a ausgebildeten Distanzeinheit 24a, die, insbesondere zumindest teilweise zumindest im Wesentlichen drehfest, an der Bewegungseinheit 22a und/oder an der Schutzvorrichtung 20a angeordnet ist und dazu vorgesehen ist, zumindest während einer Bewegung der Welle 12a entlang der Führungsbahn 16a einen Mindestabstand der Welle 12a relativ zu zumindest einer Führungskontur 26a der Führungsbahn 16a einzuhalten (
Das Distanzelement 30a ist, insbesondere zumindest im Wesentlichen drehfest, am Führungsschlittenelement 34a angeordnet. Das Distanzelement 30a durchgreift eine Ausnehmung 64a eines weiteren Führungsschlittenelements 70a der Bewegungseinheit 22a. Die Ausnehmung 64a ist vorzugsweise denkungsgleich mit zumindest einem Führungsbahnabschnitt der Führungsbahn 16a ausgebildet. Das weitere Führungsschlittenelement 70a ist schwenkbar um die Schwenkachse 56a an der Schutzvorrichtung 20a gelagert. Das Führungsschlittenelement 34a ist translatorisch beweglich entlang der Translationsachse 60a am weiteren Führungsschlittenelement 70a gelagert.The
Das hülsenartige Distanzelement 30a weist zumindest einen Drehsicherungsfortsatz 36a, 38a auf (
Der Grundkörper 66a ist vorzugsweise dazu vorgesehen, einen Minimalabstand der Welle 12a relativ zu zumindest der Führungskontur 26a der Führungsbahn 16a durch eine Materialstärke des Grundkörpers 66a vorzugeben. Insbesondere gleitet eine Außenfläche des Grundkörpers 66a während einer Bewegung der Welle 12a entlang der Führungsbahn 16a an der Führungskontur 26a.The
Das Distanzelement 30a ist translatorisch beweglich in der Ausnehmung 64a gelagert, insbesondere mittels des Führungsschlittenelements 34a. Das Distanzelement 30a ist zusammen mit dem Führungsschlittenelement 34a relativ zur Schutzvorrichtung 20a beweglich gelagert, insbesondere um die Schwenkachse 56a und/oder entlang der Translationsachse 60a der Bewegungseinheit 22a. Das Distanzelement 30a ist an einer Seite des Führungsschlittenelements 34a angeordnet, die der Schutzvorrichtung 20a in einem an der Schutzvorrichtung 20a angeordneten Zustand der Bewegungseinheit 22a zugewandt ist.The
Die Welle 12a ist mittels eines Lagerelements 28a der Bewegungseinheit 22a drehbar im Führungsschlittenelement 34a gelagert. Das Lagerelement 28a ist als Wälzlager, insbesondere als Kugellager ausgebildet. Es ist jedoch auch denkbar, dass das Lagerelement 28a eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweist, wie beispielsweise als eine Ausgestaltung als Gleitlager, als Hydrolager o. dgl. Ferner ist es auch denkbar, dass die Bewegungseinheit 22a entkoppelt von dem Lagerelement 28a ausgebildet ist und die Welle 12a beispielsweise mittels eines in der Gehäuseeinheit 44a angeordneten Abtriebswellenlagerelements der Handwerkzeugmaschine 14a drehbar gelagert ist. Die Bewegungseinheit 22a weist zumindest das Lagerelement 28a zu einer drehbaren Lagerung der Welle 12a auf, das außerhalb des Distanzelements 30a der Distanzeinheit 24a angeordnet ist. Das Distanzelement 30a kann relativ zum Lagerelement 28a beabstandet angeordnet sein, an einer zumindest quer, insbesondere zumindest im Wesentlichen senkrecht, zur Rotationsachse 58a verlaufenden Außenfläche eines Außenrings des Lagerelements 28a anliegen oder auf eine andere, einem Fachmann als sinnvoll erscheinende Art und Weise relativ zum Lagerelement 28a angeordnet sein.The
Die Welle 12a ist insbesondere relativ zum Distanzelement 30a drehbar gelagert, insbesondere mittels des Lagerelements 28a, das am Führungsschlittenelement 34a angeordnet ist. Die Welle 12a kann relativ zu einer der Welle 12a zugewandten Innenfläche 68a des Grundkörpers 66a des Distanzelements 30a beabstandet angeordnet sein, insbesondere betrachtet entlang einer zumindest im Wesentlichen senkrecht zur Rotationsachse 58a verlaufenden Richtung, oder die Welle 12a gleitet während einer Rotation um die Rotationsachse 58a an der Innenfläche 68a. Das Distanzelement 30a weist bevorzugt einen Innendurchmesser auf, der größer ist als ein Innendurchmesser eines Innenrings des Lagerelements 28a. Mittels der Distanzeinheit 24a kann vorteilhaft während einer Bewegung der Welle 12a entlang der Führungsbahn 16a, insbesondere bei einem Übergang von einem Führungsbahnabschnitt in einen weiteren Führungsbahnabschnitt der Führungsbahn 16a, ein direkter Kontakt zwischen der, insbesondere rotierenden, Welle 12a und der Führungskontur 26a der Führungsbahn 16a vermieden werden, insbesondere um eine lange Standzeit der Handwerkzeugmaschinenvorrichtung 10a zu ermöglichen.The
In den
Die Handwerkzeugmaschinenvorrichtung 10b umfasst zumindest die Schutzvorrichtung 20b und zumindest eine, insbesondere an der Schutzvorrichtung 20b angeordnete, Bewegungseinheit 22b, die dazu vorgesehen ist, die Welle zumindest entlang der Führungsbahn 16b relativ zur Schutzvorrichtung 20b beweglich zu lagern. Die Handwerkzeugmaschinenvorrichtung 10b umfasst ferner zumindest eine verschieden von einer Linear- und/oder Wälzlagereinheit der Bewegungseinheit 22b ausgebildeten Distanzeinheit 24b, die, insbesondere zumindest teilweise zumindest im Wesentlichen drehfest, an der Bewegungseinheit 22b und/oder an der Schutzvorrichtung 20b angeordnet ist und dazu vorgesehen ist, zumindest während einer Bewegung der Welle entlang der Führungsbahn 16b einen Mindestabstand der Welle relativ zu zumindest einer Führungskontur 26b der Führungsbahn 16b einzuhalten.The handheld
Die Distanzeinheit 24b weist zumindest ein Distanzelement 30b auf, das, insbesondere zumindest im Wesentlichen drehfest, an einem beweglich gelagerten Führungsschlittenelement 34b der Bewegungseinheit 22b angeordnet ist. Das Distanzelement 30b ist hülsenartig ausgebildet. Die Distanzeinheit 24b weist zumindest das hülsenartige Distanzelement 30b auf, das, insbesondere zumindest im Wesentlichen drehfest, an der Bewegungseinheit 22b angeordnet ist. Das Distanzelement 30b greift zumindest teilweise in die Führungsbahn 16b ein. Vorzugsweise gleitet das Distanzelement 30b während einer Bewegung der Welle entlang der Führungsbahn 16b an der Führungskontur 26b. Das Distanzelement 30b ist einteilig mit einem Sicherungselement 40b der Bewegungseinheit 22b zu einer Sicherung eines Lagerelements 28b ausgebildet. Das Lagerelement 28b ist zu einer drehbaren Lagerung der Welle am Führungsschlittenelement 34b, insbesondere in einer Lageraufnahme des Führungsschlittenelements 34b, angeordnet. Das Sicherungselement 40b ist zu einer axialen Sicherung des Lagerelements 28b am Führungsschlittenelement 34b vorgesehen, insbesondere betrachtet entlang einer Rotationsachse der Welle. Das Sicherungselement 40b greift zu einer axialen Sicherung des Lagerelements 28b am Führungsschlittenelement 34b in eine am Führungsschlittenelement 34b angeordnete Sicherungsnut ein, insbesondere entlang einer zumindest im Wesentlichen senkrecht zur Rotationsachse der Welle verlaufenden Richtung.The
Das Distanzelement 30b kann zumindest einen Drehsicherungsfortsatz 36b, 38b aufweisen (
Das einteilig mit dem Sicherungselement 40b der Bewegungseinheit 22b ausgebildete Distanzelement 30b und/oder das Sicherungselement 40b umschließen/umschließt die Welle zumindest zu einem Großteil, insbesondere entlang einer um die Rotationsachse verlaufende Umfangsrichtung betrachtet. Die Welle kann relativ zu einer der Welle zugewandten Innenfläche 68b eines Grundkörpers 66b des Distanzelements 30b beabstandet angeordnet sein, insbesondere betrachtet entlang einer zumindest im Wesentlichen senkrecht zur Rotationsachse verlaufenden Richtung, oder die Welle gleitet während einer Rotation um die Rotationsachse an der Innenfläche 68b. Das Distanzelement 30b weist bevorzugt einen Innendurchmesser auf, der größer ist als ein Innendurchmesser eines Innenrings des Lagerelements 28b. Mittels der Distanzeinheit 24b kann vorteilhaft während einer Bewegung der Welle entlang der Führungsbahn 16b, insbesondere bei einem Übergang von einem Führungsbahnabschnitt in einen weiteren Führungsbahnabschnitt der Führungsbahn 16b, ein direkter Kontakt zwischen der, insbesondere rotierenden, Welle und der Führungskontur 26b der Führungsbahn 16b vermieden werden, insbesondere um eine lange Standzeit der Handwerkzeugmaschinenvorrichtung 10b zu ermöglichen. Hinsichtlich weiterer Merkmale und Funktionen der in den
Die Handwerkzeugmaschinenvorrichtung 10c umfasst zumindest die Schutzvorrichtung 20c und zumindest eine, insbesondere an der Schutzvorrichtung 20c angeordnete, Bewegungseinheit 22c, die dazu vorgesehen ist, die Welle zumindest entlang der Führungsbahn 16c relativ zur Schutzvorrichtung 20c beweglich zu lagern. Die Handwerkzeugmaschinenvorrichtung 10c umfasst ferner zumindest eine verschieden von einer Linear- und/oder Wälzlagereinheit der Bewegungseinheit 22c ausgebildeten Distanzeinheit 24c, die, insbesondere zumindest teilweise zumindest im Wesentlichen drehfest, an der Bewegungseinheit 22c und/oder an der Schutzvorrichtung 20c angeordnet ist und dazu vorgesehen ist, zumindest während einer Bewegung der Welle entlang der Führungsbahn 16c einen Mindestabstand der Welle relativ zu zumindest einer Führungskontur 26c der Führungsbahn 16c einzuhalten. Die Distanzeinheit 24c ist als Kulisseneinheit ausgebildet. Die Distanzeinheit 24c weist zumindest eine Kulissenbahn 42c auf, die an der Schutzvorrichtung 20c angeordnet ist und verschieden von der Führungsbahn 16c ausgebildet ist. Die Kulissenbahn 42c bildet vorzugsweise zumindest ein Distanzelement 32c der Distanzeinheit 24c, das, insbesondere zumindest im Wesentlichen drehfest, an der Schutzvorrichtung 20c angeordnet ist. Die Distanzeinheit 24c weist zumindest ein Kulissenelement auf, das zumindest im Wesentlichen drehfest an einem Führungsschlittenelement 34c der Bewegungseinheit 22c angeordnet ist. Das am Führungsschlittenelement 34c angeordnete Kulissenelement bildet insbesondere zumindest ein Distanzelement 30c der Distanzeinheit 24c, das zumindest im Wesentlichen drehfest an der Bewegungseinheit 22c angeordnet ist. Das Kulissenelement ist vorzugsweise bolzen- oder stiftförmig ausgebildet. Das Kulissenelement weist eine Haupterstreckungsachse auf, die sich in einem am Führungsschlittenelement 34c angeordneten Zustand des Kulissenelements zumindest im Wesentlichen parallel zur Rotationsachse der Welle erstreckt. Das Kulissenelement erstreckt sich ausgehend von dem Führungsschlittenelement 34c zumindest teilweise in die Kulissenbahn 42c hinein oder durch diese hindurch. Die Kulissenbahn 42c ist seitlich versetzt zur Führungsbahn 16c an der Schutzvorrichtung 20c angeordnet. Die Kulissenbahn 42c weist insbesondere zumindest zwei zueinander quer verlaufende Kulissenbahnabschnitte auf. Die Kulissenbahnabschnitte der Kulissenbahn 42c weisen jeweils einen Verlauf auf, der zumindest im Wesentlichen analog zu einem Verlauf zumindest eines von zumindest zwei Führungsbahnabschnitten der Führungsbahn 16c ausgebildet ist. Die Kulissenbahn 42c weist einen L-förmigen oder einen Y-förmigen Verlauf auf. Es kann vorteilhaft eine Zwangsführung mittels eines Zusammenwirkens der Kulissenbahn 42c und des Kulissenelements der Distanzeinheit 24c erreicht werden. Die Mittels der Distanzeinheit 24c kann vorteilhaft während einer Bewegung der Welle entlang der Führungsbahn 16c, insbesondere bei einem Übergang von einem Führungsbahnabschnitt in einen weiteren Führungsbahnabschnitt der Führungsbahn 16c, ein direkter Kontakt zwischen der, insbesondere rotierenden, Welle und der Führungskontur 26c der Führungsbahn 16c vermieden werden, insbesondere um eine lange Standzeit der Handwerkzeugmaschinenvorrichtung 10c zu ermöglichen. Hinsichtlich weiterer Merkmale und Funktionen der in der
Bezugszeichenreference numeral
- 1010
- HandwerkzeugmaschinenvorrichtungHand machine tool device
- 1212
- Wellewave
- 1414
- HandwerkzeugmaschineHand tool
- 1616
- Führungsbahnguideway
- 1818
- WerkzeugaufnahmebereichTool holder portion
- 2020
- Schutzvorrichtungguard
- 2222
- Bewegungseinheitmoving unit
- 2424
- DistanzeinheitDistance unit
- 2626
- Führungskonturguide contour
- 2828
- Lagerelementbearing element
- 3030
- Distanzelementspacer
- 3232
- Distanzelementspacer
- 3434
- FührungsschlittenelementGuide carriage element
- 3636
- DrehsicherungsfortsatzRotation extension
- 3838
- DrehsicherungsfortsatzRotation extension
- 4040
- Sicherungselementfuse element
- 4242
- Kulissenbahnlink path
- 4444
- Gehäuseeinheithousing unit
- 4646
- Antriebseinheitdrive unit
- 4848
- Getriebeeinheitgear unit
- 5050
- Bearbeitungswerkzeugprocessing tool
- 5252
- Austrittsöffnungoutlet opening
- 5454
- Austrittsöffnungoutlet opening
- 5656
- Schwenkachseswivel axis
- 5858
- Rotationsachseaxis of rotation
- 6060
- Translationsachsetranslation axis
- 6262
- Absaugstutzensuction
- 6464
- Ausnehmungrecess
- 6666
- Grundkörperbody
- 6868
- InnenflächeInner surface
- 7070
- FührungsschlittenelementGuide carriage element
Claims (9)
- Handheld machine tool device at least for a mobile support of a shaft (12a), in particular a drive spindle, of a handheld machine tool in at least one guide track (16a; 16b; 16c) of a protective device (20a; 20b; 20c) that is arrangeable on a tool accommodation region (18a) of the handheld machine tool, with at least the protective device (20a; 20b; 20c), with at least one movement unit (22a; 22b; 22c), which is in particular arranged on the protective device (20a; 20b; 20c) and which is configured to support the shaft (12a) in such a way that it is movable relative to the protective device (20a; 20b; 20c) at least along the guide track (16a; 16b; 16c), characterised in that at least one distance unit (24a; 24b; 24c), implemented differently from a linear-bearing and/or roller-bearing unit of the movement unit (22a; 22b; 22c), which is arranged, in particular at least partially at least substantially rotationally fixed, on the movement unit (22a; 22b; 22c) and/or on the protective device (20a; 20b; 20c) and is configured to maintain, at least during a movement of the shaft (12a) along the guide track (16a; 16b; 16c), a minimum distance of the shaft (12a) relative to at least one guiding contour (26a; 26b; 26c) of the guide track (16a; 16b; 16c),
the distance unit (24a; 24b; 24c) comprising at least one distance element (30a; 30b; 30c) that is arranged, in particular at least substantially rotationally fixed, on a movably supported guide carriage element (34a; 34b; 34c) of the movement unit (22a; 22b; 22c). - Handheld machine tool device according to claim 1, characterised in that the movement unit (22a; 22b; 22c) comprises at least one bearing element (28a; 28b; 28c) for a rotatable support of the shaft (12a), which is arranged outside a distance element (30a; 30b; 30c, 32c) of the distance unit (24a; 24b; 24c).
- Handheld machine tool device according to one of the preceding claims, characterised in that the distance unit (24a; 24b) comprises at least one sleeve-like distance element (30a; 30b) that is arranged, in particular at least substantially rotationally fixed, on the movement unit (22a; 22b).
- Handheld machine tool device according to one of the preceding claims, characterised in that the distance unit (24a) comprises at least one sleeve-like distance element (30a) that has at least one anti-rotation projection (36a, 38a).
- Handheld machine tool device according to one of the preceding claims, characterised in that the distance unit (24b) comprises at least one distance element (30b) that is embodied integrally with a securing element (40b) of the movement unit (22b) for a securing of a bearing element (28b) of the movement unit (22b).
- Handheld machine tool device according to one of the preceding claims, characterised in that the distance unit (24b) comprises at least one distance element (30b) that is embodied integrally with a securing element (40b) of the movement unit (22b) and encompasses the shaft (12a) at least to a large extent.
- Handheld machine tool device at least according to one of claims 1 or 2, characterised in that the distance unit (24c) is embodied as a slotted-link unit.
- Handheld machine tool device according to claim 7, characterised in that the distance unit (24c) comprises at least one slotted-link track (42c), which is arranged on the protection device (20c) and is embodied differently from the guide track (16c).
- Handheld machine tool, in particular window milling machine or assembly milling machine, with at least one handheld machine tool device according to one of the preceding claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016109049.2A DE102016109049A1 (en) | 2016-05-17 | 2016-05-17 | Hand tool machine device for a movable mounting of a shaft in a guideway |
Publications (2)
Publication Number | Publication Date |
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EP3246128A1 EP3246128A1 (en) | 2017-11-22 |
EP3246128B1 true EP3246128B1 (en) | 2020-01-01 |
Family
ID=58707328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17170490.1A Active EP3246128B1 (en) | 2016-05-17 | 2017-05-10 | Hand-held machine tool device for mobile positioning of a shaft in a guiding rail |
Country Status (2)
Country | Link |
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EP (1) | EP3246128B1 (en) |
DE (1) | DE102016109049A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102021121135A1 (en) | 2021-08-13 | 2023-02-16 | Eberhard Berhalter | Hand-held power tool device and hand-held power tool with a hand-held power tool device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102005021212B4 (en) * | 2005-05-07 | 2018-05-09 | Eberhard Berhalter | Hand tool |
DE102010009778A1 (en) | 2010-03-01 | 2011-09-01 | Eberhard Berhalter | Hand tool |
DE202012002727U1 (en) * | 2012-03-19 | 2012-04-13 | Eberhard Berhalter | Hand tool |
DE102013207386A1 (en) * | 2013-04-24 | 2014-10-30 | Robert Bosch Gmbh | Hand tools workpiece protection device |
DE102014004125A1 (en) * | 2014-03-24 | 2015-09-24 | Siegfried Popp | Support element for a housing underside |
-
2016
- 2016-05-17 DE DE102016109049.2A patent/DE102016109049A1/en not_active Withdrawn
-
2017
- 2017-05-10 EP EP17170490.1A patent/EP3246128B1/en active Active
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DE102016109049A1 (en) | 2017-11-23 |
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