EP2608936B1 - Hand-operated machine tool device - Google Patents
Hand-operated machine tool device Download PDFInfo
- Publication number
- EP2608936B1 EP2608936B1 EP11740885.6A EP11740885A EP2608936B1 EP 2608936 B1 EP2608936 B1 EP 2608936B1 EP 11740885 A EP11740885 A EP 11740885A EP 2608936 B1 EP2608936 B1 EP 2608936B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- operating element
- tool device
- operating
- hand power
- housing
- 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.)
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- 230000000903 blocking effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
Definitions
- the invention is based on a handheld power tool device according to the preamble of claim 1.
- US 6,023,848 A is already a hand tool device, in particular for an angle grinder, with a motor and with an at least substantially rod-shaped housing portion, which serves in one operation as the main grip element, with at least one operating element, which extends to the housing portion along a main extension direction of the housing portion, wherein the operating element a main extension direction, which is aligned at least substantially parallel to the main extension direction of the housing portion, and with at least one bearing, which supports at least one control surface of the operating element about at least one aligned at least substantially parallel to the main extension direction axis, has been proposed.
- the invention is based on a handheld power tool device, in particular for an angle grinder, with a motor and with an at least substantially rod-shaped housing region which in operation serves as the main grip element and with at least one operating element which extends on the housing region along a main extension direction of the housing region wherein the operating element has a main extension direction which is aligned at least substantially parallel to the main extension direction of the housing region is, and with at least one bearing, which supports at least one control surface of the operating element about at least one at least substantially aligned parallel to the main extension direction axis.
- the rod-shaped housing area encloses the motor and the handheld power tool device is provided so that an electrical energy output to the motor can be influenced by an operator by means of the operating element during a work process.
- a "rod-shaped housing region" is to be understood as meaning a region of a housing of a handheld power tool which has a longitudinal extent which is at least twice as long, advantageously at least three times as long advantageously at least four times as long as a maximum transverse extent.
- the rod-shaped housing portion has an at least partially rounded outer surface, more preferably an at least substantially cylindrical outer surface.
- the rod-shaped housing region preferably has at least one plane aligned perpendicular to the main extension direction, advantageously over a large part of an overall length, in particular an essentially round outer cross section.
- the housing region could have one or more other outer cross-sections which appear meaningful to the person skilled in the art, for example polygonal and / or elliptical outer cross sections.
- the outer cross section is smaller than 15 cm, more preferably smaller than 10 cm.
- one or more housing elements may form the rod-shaped housing region.
- the handheld power tool device could have a plurality of rod-shaped housing areas.
- the rod-shaped housing region surrounds the motor and preferably at least one functional element of a handheld power tool, in particular a functional element of a drive train of the handheld power tool, a transmission and / or electronics.
- the term “during operation” is to be understood in particular in the case of an operation performed by an operator.
- the term “main handle element” is to be understood to mean an element which is intended to be gripped by the operator, in particular during a work operation, under limited space conditions.
- By “intended” is intended to be understood in particular specially designed and / or equipped. It should be understood by an “operating element” an element by means of which the operator influences a state of the motor of the power tool in a work process.
- the operator preferably influences a rotational speed of an insertion tool by means of the operating element.
- the phrase "along the housing area” should in particular be understood to mean that the operating element has at least one partial area adjacent to the housing area and in particular less than 5 mm apart.
- a "main extension direction” is to be understood as a direction in which an element has a maximum extent parallel to an outer contour.
- the housing region and / or in particular the operating surface preferably has a plane of symmetry over a region along the main extension direction, which plane is aligned parallel to the main extension direction.
- the housing portion and / or the control surface be formed asymmetrically.
- a “bearing” is to be understood in particular a unit which is intended to effect a bearing force on the operating element, which counteracts a movement deviating from a pivoting movement.
- a “control surface” is to be understood as a surface of the operating element to which an operator exerts a force when actuated.
- substantially parallel is to be understood in particular that an angle between the main extension direction of the housing portion and the axis is less than 30 degrees, more preferably less than 10 degrees.
- the phrase “pivotally supports” should be understood to mean that the bearing rotatably fixes the operating element about an axis about an axis.
- a comfortable operation can be achieved in particular in combination with a dead man's circuit.
- an actuation force and an actuation stroke of the operating element are substantially constant at different points along the main extension direction of the operating element. Due to the pivotable mounting, a particularly advantageous low clamping tendency, in particular in comparison to a translationally moving control element, can be achieved.
- a "deadman circuit” is to be understood in particular as a circuit which automatically deactivates the hand tool at the end of a desired activation of the hand tool, for example in the event of powerlessness and / or in the event of intentional release.
- control element has a main extension direction, which is aligned at least substantially parallel to the main extension direction of the housing portion, a particularly comfortable and safe operation, in particular substantially independent of an operator's hand position along the main extension, is structurally possible.
- the operating element extend over at least a large part of an overall length of the rod-shaped housing region, as a result of which a particularly safe and comfortable operation is structurally simple.
- An “overall length” is to be understood in particular to mean an extension along the main extension direction. Especially is to be understood by the phrase “extend over at least a majority of a total length” that aligned perpendicular to the main extension direction planes to at least 50%, advantageously at least 75% of the total length of the housing portion cut the housing portion and the control.
- the operating surface is formed convexly curved, whereby an operator can operate the operating means from different sides comfortably and reliably.
- the control for operating left and right-handers is equally suitable.
- the operating surface is convexly curved in at least one plane, which is aligned perpendicular to the main extension direction of the operating element.
- the control surface in this plane is convexly curved over a distance of at least 10 mm, advantageously 20 mm.
- the convex curved control surface has a radius greater than 20 mm, more preferably greater than 40 mm.
- the handheld power tool device comprises a locking device for blocking the operating element with a release element, which is intended to lift the blocking of the operating element, whereby a particularly safe operation can be achieved because the operating element for transport and / or storage against unintentional actuation can be locked.
- a "locking device” should be understood in particular to mean a device which prevents at least one reaction to an actuating force acting on the operating element, that is to say a force in an actuating direction.
- the blocking device in particular mechanically prevents an actuating movement of the operating element.
- the blocking device could interrupt a particular electrical energy output to a means operable by means of the control element.
- a switching unit could interrupt an energy supply of the engine.
- the release element preferably has a different feel from the operating element and / or advantageously different actuation directions.
- An "actuating direction" is to be understood in particular a direction in which the operating element is movably mounted from an unactuated position to an actuated position.
- the housing area encloses at least one free area in which the operating element is mounted at least partially retractable upon actuation, whereby the operating element can be advantageously operated and is well protected.
- a "free area” is to be understood, in particular, as an area adjacent to the operating element, which area is free of the operating element and in particular third elements in the case of an unactuated operating element.
- the control element is actuated in the direction of the free area.
- the term "enclose” should be understood as meaning that the free area is arranged within the housing area, that is to say in particular that the housing area at least largely encloses the free area on a hemisphere.
- the operating element is at least partially recessed in an unactivated operating state in the housing area, whereby the operating element is advantageously arranged protected.
- at least partially sunk arranged is to be understood in particular that at least 5%, advantageously at least 10%, of a material of the operating element are arranged in an unactuated operating state within a surface which spans a surface of the housing region, advantageously an inner surface of the housing.
- at least one stop of the operating element is recessed in the housing area, which completely prevents movement of the operating element out of the housing area.
- the control element preferably emerges from the housing area at one or alternatively at several openings.
- the bearing comprises at least one film hinge, whereby a low design effort and low production costs can be achieved.
- a “film hinge” is to be understood in particular a hinge in which a flat, flexible material transmits a bearing force.
- the film hinge is integrally formed with the housing portion and / or advantageously the operating element.
- the film hinge has a flexurally soft region, which transmits essentially only tensile and / or compressive forces.
- the bearing has at least one slot at least for guiding the operating element, whereby a particularly advantageous Guided mobility of the control is possible.
- a "slot” is to be understood in particular a blind hole and / or a continuous recess, which has a non-round, advantageously elongated outer shape to a surrounding surface.
- control element has at least two control surfaces mounted movably relative to each other, whereby an advantageous symmetry of the control element can be achieved.
- control surfaces are at least 10 degrees, preferably at least 20 degrees, tilted towards each other.
- the invention is based on a hand tool with a hand tool device, all, to those skilled seem appropriate hand tool, in particular drills, rotary hammers, saws, planers, screwdrivers, milling, grinder, multi-function tools, garden tools and / or advantageous angle grinder, to operate with the hand tool device would be conceivable, whereby a particularly convenient hand tool can be provided.
- FIG. 1 and 2 show a hand tool 36a according to the invention with a hand tool device 10a.
- the hand tool 36a is designed as an angle grinder.
- the hand tool 36a has a weight less than 3.5 kg, advantageously less than 2.5 kg. It includes a removable auxiliary handle 38a, an insert tool attachment 40a, an insert tool guard 42a and a housing 44a. Attached to the tool attachment 40a is an insert tool 46a.
- the handheld power tool device 10a has a housing portion 12a formed by a surface of the housing 44a.
- the housing portion 12a is rod-shaped. It serves as the main grip element in one operation.
- the housing region 12a has a roundish cross-section on a plane oriented perpendicular to a main extension direction 16a.
- a main extension direction of the auxiliary handle 38a is aligned substantially perpendicular to the main extension direction 16a of the housing portion 12a.
- the tool guard 42a is disposed between the tool attachment 40a and the housing portion 12a. It protects an operator's hand surrounding the housing area 12a.
- the handheld power tool device 10a has an operating element 14a.
- the operating element 14a extends on the housing region 12a along the main extension direction 16a of the housing region 12a, on a side of the housing region 12a facing the insert tool attachment 40a. Alternatively, it could also be arranged on a side of the housing area 12a facing away from the attachment tool attachment 40a or on another side that appears appropriate to the person skilled in the art.
- the housing portion 12a could be rotatable relative to the tool attachment 40a.
- the operating element 14a has a main extension direction 24a, which is aligned parallel to the main extension direction 16a of the housing region 12a.
- the operating element 14a extends over at least a major portion of an overall length of the rod-shaped housing region 12a.
- the operating element 14a has an operating surface 20a with a substantially rectangular projection surface.
- the operating surface 20a is curved in a convex manner about a central axis of the housing portion 12a, which runs along the main extension direction 16a of the housing portion 12a.
- a non-illustrated sealing lip or other overlapping element is arranged, whereby the housing 44a is protected against the penetration of dust.
- the sealing lip or the overlapping element are fixed to the housing 44a.
- the handheld power tool device 10a has a bearing 18a, which supports the operating surface 20a of the operating element 14a pivotably relative to the housing region 12a about an axis 22a aligned parallel to the main extension direction 16a of the housing region 12a.
- the housing portion 12a encloses a free area 30a, in which the operating element 14a is mounted partially retractable during an operation.
- the handheld power tool device 10a comprises a spring element, not shown in more detail, which effects a force on the operating element 14a, which is intended to pivot the operating element 14a out of the free area 30a at one end of an actuation.
- the operating element 14a is at least partially sunk in an unactuated operating state in the housing portion 12a, namely, at least one stop 48a of the operating element 14a is recessed.
- the stopper 48a prevents a complete swinging out of the operating element 14a from the housing portion 12a by the spring element.
- the bearing 18a comprises two bolts 50a, 52a and two recesses 54a, 56a.
- One of the bolts 50a is integrally formed on the operating element 14a on a corner 58a of the operating element 14a facing the insert tool attachment 40a.
- the associated recess 54a is formed on a side facing the insert tool attachment 40a side of the housing portion 12a to the housing 44a.
- the other recess 56a is molded onto the operating element 14a on a corner 60a of the operating element 14a facing away from the insertion tool attachment 40a.
- the associated bolt 52a is formed on a side facing away from the insert tool attachment 40a side of the housing portion 12a to the housing 44a.
- bolts and / or recesses of the bearing 18a may be formed of separate units or materials, for example, a metallic bolt, in particular a steel bolt, a recess in the housing 44a and / or pressed in the control element 14a and stored in the other component with rotational play be.
- the corners 58a, 60a are in this case arranged between an edge 62a of the operating element 14a, which is parallel to the main extension direction 16a, and in each case an edge 64a, which is oriented perpendicular to the main extension direction 16a and perpendicular to a rotation axis 66a of the insert tool attachment 40a.
- both corners 58a, 60a are in the main extension direction 16a seen on a same side of the operating element 14a, wherein it is irrelevant to an operation, whether the corners 58a, 60a are arranged left or right.
- the axis 22a of the bearing 18a is spaced from a plane defined by the axis of rotation 66a of the tool attachment 40a and the main direction of extension of the housing portion 12a.
- the operating element 14a is fastened by a movement directed toward the insert tool attachment 40a.
- one of the bolts 50a, 52a penetrate into one of the recesses 54a, 56a.
- the axis 22a of the bearing 18a extends through the two bolts 50a, 52a.
- the bearing 18a could have further bearing elements, in particular between the bolts 50a, 52a or the recesses 54a, 56a.
- a film hinge between the operating element 14a and the housing 44a would be possible.
- the housing 44a includes a housing member 68a that secures a motor 70a of the portable power tool 36a.
- the housing 44a has a housing element 72a which secures an electronics 74a of the handheld power tool 36a.
- This housing element 72a is double-shelled. Of which is in the FIG. 3 a bowl shown.
- the housing member 68a that secures the motor 70a has one of the bolts 52a and one of the recesses 54a. This housing element 68a thus supports the operating element 14a.
- the housing element 72a, which secures the electronics 74a prevents movement of the operating element 14a along the main extension direction 16a in an assembled operating state. Thereby, the bolts 50a, 52a are held in the recesses 54a, 56a.
- the handheld power tool device 10a has an actuator 76a.
- the actuator 76a generates an electrical characteristic which has at least one information about the operation. It comprises the spring element, not shown, a lever 78a and an electrical switching component 80a.
- the lever 78a is movably supported about an axis 82a and converts a movement of the operating element 12a when actuated in accordance with the switching component 80a.
- the hand tool device 10a has a in the FIG. 4 and 6 Locking device 26a shown in more detail.
- FIG. 4 is the control element 14a unactuated and the locking device 26a shown blocking.
- FIG. 6 the control element 14a is actuated and the locking device 26a is shown as being non-locking.
- the locking device 26a has a release element 28a and a stop 84a.
- the release element 28a is pivotally mounted on the operating element 14a. It is arranged centrally on the operating element 14a.
- the stopper 84a is formed on the housing 44a. In a blocking arrangement of the release element 28a, the release element 28a supports an actuating force acting on the operating element 14a on the housing 44a.
- the handheld power tool device 10a includes one only in the FIGS. 1 and 7 illustrated Einschaltarret réelle 86a.
- the Einschaltarret réelle 86a has an operating means 88a, a spring element 90a and a latching means 92a.
- the operating means 88a is movably mounted perpendicular to an actuating direction 94a of the operating element 14a.
- the spring element 90a causes a restoring force on the operating means 88a.
- the operator has actuated the operating element 14a, he can turn the operating means 88a against the spring element 90a into an in FIG. 7 move shown detent position.
- the latching position the operating means 88a engages in the operating element 14a by means of the latching means 92a.
- the engagement lock 86a prevents movement of the operating member 14a back to an unactuated home position even when the operator does not exert an operating force on the operating member 14a.
- the latching of the latching means 92a opens and the spring element 90a moves the operating means 88a into a non-locking position (not shown).
- the operator advantageously grips the housing portion 12a with the left or right hand, along the main extension direction 16a in a central area or in a front area facing the insert tool fixture 40a.
- the operator actuates the operating element 14a either with the palm of his hand or with the thumb.
- the operator advantageously holds the housing portion 12a at a rear end remote from the insert tool fixture 40a Area.
- the operator operates the operating element 14a advantageously with the fingertips opposite the thumb.
- FIGS. 8 to 13 four further embodiments of the invention are shown.
- the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with reference in principle to the same reference components, in particular with respect to components with the same reference numerals, to the drawings and / or the description of the other embodiments, in particular FIGS. 1 to 7 , can be referenced.
- To distinguish the embodiments of the letter a is the reference numerals of the embodiment in the FIGS. 1 to 7 readjusted.
- the letter a is replaced by the letters b to e.
- FIGS. 8 and 9 show a handheld power tool device 10b with a control element 14b and a housing 44b.
- the housing 44b forms a rod-shaped housing portion 12b, which serves as the main grip element in one operation.
- the housing 44b has a cup-shaped housing cover 96b and a housing element 68b, which is intended to fix a motor, not shown.
- the housing 44b secures the operating element 14b.
- the operating element 14b extends on the housing region 12b along a main extension direction 16b of the housing region 12b.
- the handheld power tool device 10b has a bearing 18b.
- the bearing 18b supports a control surface 20b of the operating element 14b pivotably about an axis 22b aligned parallel to the main extension direction 16b.
- the operating element 14b could also be mounted in a housing element, not shown, which is intended to secure a transmission.
- the handheld power tool device 10b includes an actuator pickup 76b having a switching component 80b.
- the Betsch Trentsauf choir 76b is provided to actuate the switching component 80b with a movement of the operating element 14b in the actuating direction 94b directly.
- FIGS. 10 and 11 show a partial section of a hand tool device 10 c of a hand tool with a rod-shaped housing portion 12 c, a control element 14 c and a bearing 18 c.
- the housing portion 12c is used in an operation as the main grip element.
- the operating element 14c extends on the housing region 12c along a main extension direction 16c of the housing region 12c. It has two control surfaces 20c.
- the bearing 18c supports the operating surface 20c of the operating element 14c so as to be pivotable and also tiltable about an axis 22c aligned parallel to the main extension direction 16c.
- the axles 22c are spaced from the handheld power tool 10c.
- the bearing 18c has slots 34c, 35c for guiding the operating element 14c.
- the elongated holes 34c, 35c are arranged on a housing 44c of the handheld power tool, on two sides of a free area 30c of the housing 44c, wherein an illustrated side faces an insert tool attachment of the handheld power tool and a side of the insert tool attachment, not shown, faces away.
- Two of the elongated holes 34c shown are arranged mirror-symmetrically to a plane of symmetry 98c which extends through the third elongate hole 35c. These two elongated holes 34c respectively guide one of the two control surfaces 20c substantially perpendicular to the plane of symmetry 98c.
- the third slot equally guides both control surfaces 20c in a direction parallel to the plane of symmetry 98c.
- the bearing has a film hinge 32c, which supports both control surfaces 20c of the operating element 14c relative to one another. An alternatively trained, the skilled person seems appropriate bearing between the control surfaces 20c is possible.
- FIG. 11 shows a further embodiment of a Einschaltarret mich 86d a hand tool device 10d with a control element 14d.
- the Einschaltarret réelle 86d has an operating means 88d, a spring element 90d and a latching means 92d.
- the operating means 88d is movably mounted about an axis 100d, which is oriented perpendicular to the axis 22d of the operating element 14d.
- the spring element 90d causes a restoring force on the operating means 88d.
- the operator has actuated the operating element 14d, he can move the operating means 88d of the Einschaltarret réelle 86d against the spring element 90d in a locked position.
- FIG. 12 shows a further embodiment of a hand tool device 10e with an operating element 14e, which has two relatively movably mounted control surfaces 20e.
- the two control surfaces 20e are pivotally mounted about an axis 22e.
- One of the control surfaces 20e has a recess 102e, which can be lowered into a part of another of the control surfaces 20e upon actuation of the control element 14e.
- FIG. 13 shows in an exploded view another embodiment of a hand tool device 10f with a rod-shaped housing portion 12f, a control element 14f and a bearing 18f.
- the bearing 18f has a rod 104f extending along an axis 22f of the bearing 18f.
- the housing portion 12f and the operating member 14f have recesses 106f through which the rod 104f extends in an assembled operating state. At this time, the rod 104f supports the operating member 14f pivotally relative to the housing portion 12f.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Toys (AREA)
- Sawing (AREA)
- Mechanical Control Devices (AREA)
Description
Die Erfindung geht aus von einer Handwerkzeugmaschinenvorrichtung nach dem Oberbegriff des Anspruchs 1.The invention is based on a handheld power tool device according to the preamble of claim 1.
Aus
Die Erfindung geht aus von einer Handwerkzeugmaschinenvorrichtung, insbesondere für einen Winkelschleifer, mit einem Motor und mit einem zumindest im Wesentlichen stabförmigen Gehäusebereich, der bei einem Betrieb als Hauptgriffelement dient, und mit zumindest einem Bedienelement, das sich an dem Gehäusebereich entlang einer Haupterstreckungsrichtung des Gehäusebereichs erstreckt, wobei das Bedienelement eine Haupterstreckungsrichtung aufweist, die zumindest im Wesentlichen parallel zu der Haupterstreckungsrichtung des Gehäusebereichs ausgerichtet ist, und mit zumindest einem Lager, das zumindest eine Bedienfläche des Bedienelements um wenigstens eine zumindest im Wesentlichen parallel zu der Haupterstreckungsrichtung ausgerichtete Achse schwenkbar lagert.The invention is based on a handheld power tool device, in particular for an angle grinder, with a motor and with an at least substantially rod-shaped housing region which in operation serves as the main grip element and with at least one operating element which extends on the housing region along a main extension direction of the housing region wherein the operating element has a main extension direction which is aligned at least substantially parallel to the main extension direction of the housing region is, and with at least one bearing, which supports at least one control surface of the operating element about at least one at least substantially aligned parallel to the main extension direction axis.
Erfindungsgemäß wird vorgeschlagen, dass der stabförmige Gehäusebereich den Motor umschließt und die Handwerkzeugmaschinenvorrichtung dazu vorgesehen ist, dass eine elektrische Energieabgabe an den Motor bei einem Arbeitsvorgang von einem Bediener mittels des Bedienelements beeinflussbar ist. Insbesondere soll unter einem "stabförmigen Gehäusebereich" ein Bereich eines Gehäuses einer Handwerkzeugmaschine verstanden werden, der eine Längserstreckung aufweist, die zumindest zweimal so lang ist, vorteilhaft zumindest dreimal so lang ist, besonders vorteilhaft zumindest viermal so lang ist, wie eine maximale Quererstreckung. Vorzugsweise weist der stabförmige Gehäusebereich eine zumindest teilweise abgerundete Außenfläche, besonders bevorzugt eine zumindest im Wesentlichen zylinderförmige Außenfläche auf. Vorzugsweise weist der stabförmige Gehäusebereich auf zumindest einer senkrecht zu der Haupterstreckungsrichtung ausgerichteten Ebene, vorteilhaft auf einen Großteil einer Gesamtlänge, einen insbesondere im Wesentlichen runden Außenquerschnitt auf. Alternativ oder zusätzlich könnte der Gehäusebereich einen oder mehrere andere dem Fachmann als sinnvoll erscheinende Außenquerschnitte, beispielsweise vieleckige und/oder elliptische Außenquerschnitte aufweisen. Bevorzugt ist der Außenquerschnitt kleiner als 15 cm, besonders bevorzugt kleiner als 10 cm. Insbesondere können ein oder mehrere Gehäuseelemente den stabförmigen Gehäusebereich bilden. Des Weiteren könnte die Handwerkzeugmaschinenvorrichtung mehrere stabförmige Gehäusebereiche aufweisen. Erfindungsgemäß umschließt der stabförmige Gehäusebereich den Motor und vorzugsweise zumindest ein Funktionselement einer Handwerkzeugmaschine, und zwar insbesondere ein Funktionselement eines Antriebsstrangs der Handwerkzeugmaschine, ein Getriebe und/oder eine Elektronik. Unter der Wendung "bei einem Betrieb" soll insbesondere bei einem von einem Bediener geführten Arbeitsvorgang verstanden werden. Insbesondere soll unter dem Begriff "Hauptgriffelement" ein Element verstanden werden, das dazu vorgesehen ist, von dem Bediener insbesondere bei einem Arbeitsvorgang unter beschränkten Platzverhältnissen umgriffen zu werden. Unter "vorgesehen" soll insbesondere speziell ausgelegt und/oder ausgestattet verstanden werden. Es soll unter einem "Bedienelement" ein Element verstanden werden, mittels dem der Bediener einen Zustand des Motors der Handwerkzeugmaschine, bei einem Arbeitsvorgang beeinflusst. Vorzugsweise beeinflusst der Bediener mittels des Bedienelements eine Drehzahl eines Einsatzwerkzeugs. Unter der Wendung "an dem Gehäusebereich entlang" soll insbesondere verstanden werden, dass das Bedienelement zumindest eine zu dem Gehäusebereich benachbarte und insbesondere weniger als 5 mm beabstandete Teilfläche aufweist. Insbesondere soll unter einer "Haupterstreckungsrichtung" eine Richtung verstanden werden, in die ein Element parallel zu einer Außenkontur eine maximale Erstreckung aufweist. Vorzugsweise weist der Gehäusebereich und/oder insbesondere die Bedienfläche über einen Bereich entlang der Haupterstreckungsrichtung eine Symmetrieebene auf, die parallel zu der Haupterstreckungsrichtung ausgerichtet ist. Alternativ könnte der Gehäusebereich und/oder die Bedienfläche unsymmetrisch ausgebildet sein. Unter einem "Lager" soll insbesondere eine Einheit verstanden werden, die dazu vorgesehen ist, eine Lagerkraft auf das Bedienelement zu bewirken, die einer von einer Schwenkbewegung abweichenden Bewegung entgegenwirkt. Insbesondere soll unter einer "Bedienfläche" eine Fläche des Bedienelements verstanden werden, auf die ein Bediener bei einer Betätigung eine Kraft ausübt. Unter der Wendung "im Wesentlichen parallel" soll insbesondere verstanden werden, dass ein Winkel zwischen der Haupterstreckungsrichtung des Gehäusebereichs und der Achse kleiner als 30 Grad, besonders bevorzugt kleiner als 10 Grad, ist. Insbesondere soll unter der Wendung "schwenkbar lagert" verstanden werden, dass das Lager das Bedienelement über einen Winkelbereich um eine Achse drehbar befestigt. Durch die erfindungsgemäße Ausgestaltung der Handwerkzeugmaschinenvorrichtung kann eine komfortable Bedienung insbesondere in Kombination mit einer Totmannschaltung erreicht werden. Insbesondere sind eine Betätigungskraft und ein Betätigungshub des Bedienelements an verschiedenen Stellen entlang der Haupterstreckungsrichtung des Bedienelements in Wesentlichen konstant. Durch die schwenkbare Lagerung kann eine besonders vorteilhaft geringe Klemmneigung, insbesondere im Vergleich zu einem translatorisch bewegten Bedienelement, erreicht werden. Unter einer "Totmannschaltung" soll insbesondere eine Schaltung verstanden werden, die bei einem Ende einer gewollten Aktivierung des Handwerkzeugs, beispielsweise bei einer Ohnmacht und/oder bei einem gewollten Loslassen, das Handwerkzeug selbstständig deaktiviert.According to the invention, it is proposed that the rod-shaped housing area encloses the motor and the handheld power tool device is provided so that an electrical energy output to the motor can be influenced by an operator by means of the operating element during a work process. In particular, a "rod-shaped housing region" is to be understood as meaning a region of a housing of a handheld power tool which has a longitudinal extent which is at least twice as long, advantageously at least three times as long advantageously at least four times as long as a maximum transverse extent. Preferably, the rod-shaped housing portion has an at least partially rounded outer surface, more preferably an at least substantially cylindrical outer surface. The rod-shaped housing region preferably has at least one plane aligned perpendicular to the main extension direction, advantageously over a large part of an overall length, in particular an essentially round outer cross section. As an alternative or in addition, the housing region could have one or more other outer cross-sections which appear meaningful to the person skilled in the art, for example polygonal and / or elliptical outer cross sections. Preferably, the outer cross section is smaller than 15 cm, more preferably smaller than 10 cm. In particular, one or more housing elements may form the rod-shaped housing region. Furthermore, the handheld power tool device could have a plurality of rod-shaped housing areas. According to the invention, the rod-shaped housing region surrounds the motor and preferably at least one functional element of a handheld power tool, in particular a functional element of a drive train of the handheld power tool, a transmission and / or electronics. The term "during operation" is to be understood in particular in the case of an operation performed by an operator. In particular, the term "main handle element" is to be understood to mean an element which is intended to be gripped by the operator, in particular during a work operation, under limited space conditions. By "intended" is intended to be understood in particular specially designed and / or equipped. It should be understood by an "operating element" an element by means of which the operator influences a state of the motor of the power tool in a work process. The operator preferably influences a rotational speed of an insertion tool by means of the operating element. The phrase "along the housing area" should in particular be understood to mean that the operating element has at least one partial area adjacent to the housing area and in particular less than 5 mm apart. In particular, a "main extension direction" is to be understood as a direction in which an element has a maximum extent parallel to an outer contour. The housing region and / or in particular the operating surface preferably has a plane of symmetry over a region along the main extension direction, which plane is aligned parallel to the main extension direction. alternative could the housing portion and / or the control surface be formed asymmetrically. A "bearing" is to be understood in particular a unit which is intended to effect a bearing force on the operating element, which counteracts a movement deviating from a pivoting movement. In particular, a "control surface" is to be understood as a surface of the operating element to which an operator exerts a force when actuated. By the phrase "substantially parallel" is to be understood in particular that an angle between the main extension direction of the housing portion and the axis is less than 30 degrees, more preferably less than 10 degrees. In particular, the phrase "pivotally supports" should be understood to mean that the bearing rotatably fixes the operating element about an axis about an axis. The inventive design of the power tool device, a comfortable operation can be achieved in particular in combination with a dead man's circuit. In particular, an actuation force and an actuation stroke of the operating element are substantially constant at different points along the main extension direction of the operating element. Due to the pivotable mounting, a particularly advantageous low clamping tendency, in particular in comparison to a translationally moving control element, can be achieved. A "deadman circuit" is to be understood in particular as a circuit which automatically deactivates the hand tool at the end of a desired activation of the hand tool, for example in the event of powerlessness and / or in the event of intentional release.
Infolge der Ausgestaltung, dass das Bedienelement eine Haupterstreckungsrichtung aufweist, die zumindest im Wesentlichen parallel zu der Haupterstreckungsrichtung des Gehäusebereichs ausgerichtet ist, ist konstruktiv einfach eine besonders komfortable und sichere Bedienung, insbesondere im Wesentlichen unabhängig von einer Bedienerhandposition entlang der Haupterstreckung, möglich.Due to the configuration that the control element has a main extension direction, which is aligned at least substantially parallel to the main extension direction of the housing portion, a particularly comfortable and safe operation, in particular substantially independent of an operator's hand position along the main extension, is structurally possible.
Des Weiteren wird vorgeschlagen, dass sich das Bedienelement über zumindest einen Großteil einer Gesamtlänge des stabförmigen Gehäusebereichs erstreckt, wodurch eine ganz besonders sichere und komfortable Bedienung konstruktiv einfach möglich ist. Unter einer "Gesamtlänge" soll insbesondere eine Erstreckung entlang der Haupterstreckungsrichtung verstanden werden. Insbesondere soll unter der Wendung "über zumindest einen Großteil einer Gesamtlänge erstrecken" verstanden werden, dass senkrecht zu der Haupterstreckungsrichtung ausgerichtete Ebenen auf wenigstens 50 %, vorteilhaft wenigstens 75 % der Gesamtlänge des Gehäusebereichs den Gehäusebereich und das Bedienelement schneiden.Furthermore, it is proposed that the operating element extend over at least a large part of an overall length of the rod-shaped housing region, as a result of which a particularly safe and comfortable operation is structurally simple. An "overall length" is to be understood in particular to mean an extension along the main extension direction. Especially is to be understood by the phrase "extend over at least a majority of a total length" that aligned perpendicular to the main extension direction planes to at least 50%, advantageously at least 75% of the total length of the housing portion cut the housing portion and the control.
Ferner wird vorgeschlagen, dass die Bedienfläche konvex gekrümmte ausgebildet ist, wodurch ein Bediener das Bedienmittel von verschiedenen Seiten komfortabel und zuverlässig bedienen kann. Insbesondere ist das Bedienelement zur Bedienung von Links- und Rechtshändern gleichermaßen geeignet. Vorzugsweise ist die Bedienfläche in zumindest einer Ebene konvex gekrümmt, die senkrecht zu der Haupterstreckungsrichtung des Bedienelements ausgerichtet ist. Vorteilhaft ist die Bedienfläche in dieser Ebene auf einer Strecke von wenigstens 10 mm, vorteilhaft 20 mm konvex gekrümmt. Bevorzugt weist die konvex gekrümmte Bedienfläche einen Radius größer als 20 mm, besonders bevorzugt größer als 40 mm auf.It is also proposed that the operating surface is formed convexly curved, whereby an operator can operate the operating means from different sides comfortably and reliably. In particular, the control for operating left and right-handers is equally suitable. Preferably, the operating surface is convexly curved in at least one plane, which is aligned perpendicular to the main extension direction of the operating element. Advantageously, the control surface in this plane is convexly curved over a distance of at least 10 mm, advantageously 20 mm. Preferably, the convex curved control surface has a radius greater than 20 mm, more preferably greater than 40 mm.
Zudem wird vorgeschlagen, dass die Handwerkzeugmaschinenvorrichtung eine Sperrvorrichtung zur Sperrung des Bedienelements mit einem Freigabeelement umfasst, das dazu vorgesehen ist, die Sperrung des Bedienelements aufzuheben, wodurch ein besonders sicherer Betrieb erreicht werden kann, weil das Bedienelement für einen Transport und/oder eine Lagerung gegen unbeabsichtigtes Betätigen verriegelbar ist. Unter einer "Sperrvorrichtung" soll insbesondere eine Vorrichtung verstanden werden, die zumindest eine Reaktion auf eine auf das Bedienelement wirkende Betätigungskraft, das heißt eine Kraft in eine Betätigungsrichtung, verhindert. Vorteilhaft verhindert die Sperrvorrichtung insbesondere mechanisch eine betätigende Bewegung des Bedienelements. Alternativ oder zusätzlich könnte die Sperrvorrichtung eine insbesondere elektrische Energieabgabe an ein mittels des Bedienelements betätigbaren Mittels unterbrechen. Beispielsweise könnte eine Schalteinheit eine Energiezufuhr des Motors unterbrechen. Vorzugsweise weist das Freigabeelement eine von dem Bedienelement verschiedene Haptik und/oder vorteilhaft verschiedene Betätigungsrichtungen auf. Unter einer "Betätigungsrichtung" soll insbesondere eine Richtung verstanden werden, in die das Bedienelement von einer unbetätigten Stellung in eine betätigte Stellung bewegbar gelagert ist.In addition, it is proposed that the handheld power tool device comprises a locking device for blocking the operating element with a release element, which is intended to lift the blocking of the operating element, whereby a particularly safe operation can be achieved because the operating element for transport and / or storage against unintentional actuation can be locked. A "locking device" should be understood in particular to mean a device which prevents at least one reaction to an actuating force acting on the operating element, that is to say a force in an actuating direction. Advantageously, the blocking device in particular mechanically prevents an actuating movement of the operating element. Alternatively or additionally, the blocking device could interrupt a particular electrical energy output to a means operable by means of the control element. For example, a switching unit could interrupt an energy supply of the engine. The release element preferably has a different feel from the operating element and / or advantageously different actuation directions. An "actuating direction" is to be understood in particular a direction in which the operating element is movably mounted from an unactuated position to an actuated position.
Weiterhin wird vorgeschlagen, dass der Gehäusebereich zumindest einen Freibereich umschließt, in den das Bedienelement bei einer Betätigung zumindest teilweise versenkbar gelagert ist, wodurch das Bedienelement vorteilhaft bedient werden kann und gut geschützt ist. Unter einem "Freibereich" soll insbesondere ein zu dem Bedienelement benachbarter Bereich verstanden werden, der bei einem unbetätigten Bedienelement frei von dem Bedienelement und insbesondere dritten Elementen ist. Vorzugsweise ist das Bedienelement in Richtung des Freibereichs bewegt betätigbar. Insbesondere soll unter "umschließen" verstanden werden, das der Freibereich innerhalb des Gehäusebereichs angeordnet ist, das heißt insbesondere, dass der Gehäusebereich den Freibereich zumindest weitgehend auf einer Halbkugel umschließt.Furthermore, it is proposed that the housing area encloses at least one free area in which the operating element is mounted at least partially retractable upon actuation, whereby the operating element can be advantageously operated and is well protected. A "free area" is to be understood, in particular, as an area adjacent to the operating element, which area is free of the operating element and in particular third elements in the case of an unactuated operating element. Preferably, the control element is actuated in the direction of the free area. In particular, the term "enclose" should be understood as meaning that the free area is arranged within the housing area, that is to say in particular that the housing area at least largely encloses the free area on a hemisphere.
In einer vorteilhaften Ausbildung der Erfindung wird vorgeschlagen, dass das Bedienelement in einem unbetätigten Betriebszustand zumindest teilweise in dem Gehäusebereich versenkt angeordnet ist, wodurch das Bedienelement vorteilhaft geschützt angeordnet ist. Unter "zumindest teilweise versenkt angeordnet" soll insbesondere verstanden werden, das zumindest 5 %, vorteilhaft zumindest 10 %, eines Materials des Bedienelements in einem unbetätigten Betriebszustand innerhalb einer Fläche angeordnet sind, die eine Oberfläche des Gehäusebereichs, vorteilhaft eine Innenfläche des Gehäuses, aufspannt. Vorteilhaft ist zumindest ein Anschlag des Bedienelements in dem Gehäusebereich versenkt angeordnet, der eine Bewegung des Bedienelements aus dem Gehäusebereich vollständig heraus verhindert. Vorzugsweise tritt das Bedienelement an einer oder alternativ an mehreren Durchbrüchen aus dem Gehäusebereich hervor.In an advantageous embodiment of the invention, it is proposed that the operating element is at least partially recessed in an unactivated operating state in the housing area, whereby the operating element is advantageously arranged protected. By "at least partially sunk arranged" is to be understood in particular that at least 5%, advantageously at least 10%, of a material of the operating element are arranged in an unactuated operating state within a surface which spans a surface of the housing region, advantageously an inner surface of the housing. Advantageously, at least one stop of the operating element is recessed in the housing area, which completely prevents movement of the operating element out of the housing area. The control element preferably emerges from the housing area at one or alternatively at several openings.
In einer weiteren Ausgestaltung wird vorgeschlagen, dass das Lager zumindest ein Filmscharnier umfasst, wodurch ein geringer konstruktiver Aufwand und geringe Produktionskosten erreicht werden können. Unter einem "Filmscharnier" soll insbesondere ein Scharnier verstanden werden, bei dem ein flaches, flexibles Material eine Lagerkraft überträgt. Vorzugsweise ist das Filmscharnier einstückig mit dem Gehäusebereich und/oder vorteilhaft dem Bedienelement ausgebildet. Vorzugsweise weist das Filmscharnier einen biegeweichen Bereich auf, der im Wesentlichen nur Zug- und/oder Druckkräfte überträgt.In a further embodiment, it is proposed that the bearing comprises at least one film hinge, whereby a low design effort and low production costs can be achieved. A "film hinge" is to be understood in particular a hinge in which a flat, flexible material transmits a bearing force. Preferably, the film hinge is integrally formed with the housing portion and / or advantageously the operating element. Preferably, the film hinge has a flexurally soft region, which transmits essentially only tensile and / or compressive forces.
Des Weiteren wird vorgeschlagen, dass das Lager zumindest ein Langloch zumindest zur Führung des Bedienelements aufweist, wodurch eine besonders vorteilhaft geführte Beweglichkeit des Bedienelements möglich ist. Unter einem "Langloch" soll insbesondere ein Sackloch und/oder eine durchgehende Aussparung verstanden werden, das eine Unrunde, vorteilhaft längliche Außenform zu einer umgebenden Fläche aufweist.Furthermore, it is proposed that the bearing has at least one slot at least for guiding the operating element, whereby a particularly advantageous Guided mobility of the control is possible. A "slot" is to be understood in particular a blind hole and / or a continuous recess, which has a non-round, advantageously elongated outer shape to a surrounding surface.
Ferner wird vorgeschlagen, dass das Bedienelement zumindest zwei relativ zueinander beweglich gelagerte Bedienflächen aufweist, wodurch eine vorteilhafte Symmetrie des Bedienelements erreicht werden kann. Vorzugsweise sind die Bedienflächen wenigstens 10 Grad, vorteilhaft wenigstens 20 Grad, zueinander kippbar gelagert.It is also proposed that the control element has at least two control surfaces mounted movably relative to each other, whereby an advantageous symmetry of the control element can be achieved. Preferably, the control surfaces are at least 10 degrees, preferably at least 20 degrees, tilted towards each other.
Ferner geht die Erfindung von einer Handwerkzeugmaschine mit einer Handwerkzeugmaschinenvorrichtung aus, wobei sämtliche, dem Fachmann als sinnvoll erscheinende Handwerkzeugmaschinen, wie insbesondere Bohrmaschinen, Bohrhämmer, Sägen, Hobel, Schrauber, Fräsen, Schleifer, Multifunktionswerkzeuge, Gartengeräte und/oder vorteilhaft Winkelschleifer, zum Betreiben mit der Handwerkzeugmaschinenvorrichtung denkbar wären, wodurch eine besonders komfortabel einsetzbare Handwerkzeugmaschine bereitgestellt werden kann.Furthermore, the invention is based on a hand tool with a hand tool device, all, to those skilled seem appropriate hand tool, in particular drills, rotary hammers, saws, planers, screwdrivers, milling, grinder, multi-function tools, garden tools and / or advantageous angle grinder, to operate with the hand tool device would be conceivable, whereby a particularly convenient hand tool can be provided.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind fünf Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnung, 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 emerge from the following description of the drawing. In the drawing, five embodiments of the invention are shown. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
Es zeigen:
- Fig. 1
- eine erfindungsgemäße Handwerkzeugmaschine mit einer Handwerkzeugmaschinenvorrichtung, die einen stabförmigen Gehäusebereich und ein Bedienelement umfasst, in einer schematischen Darstellung,
- Fig. 2
- der Gehäusebereich und das Bedienelement aus
Figur 1 in einer perspektivischen Darstellung, - Fig. 3
- einen Teil des Gehäusebereichs und das Bedienelement aus
Figur 1 in einer perspektivischen Darstellung, - Fig. 4
- der Gehäusebereich und das Bedienelement aus
Figur 1 in einer Schnittdarstellung, - Fig. 5
- das Bedienelement aus
Figur 1 in einer freigestellten perspektivischen Darstellung, - Fig. 6
- eine Sperrvorrichtung der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer perspektivischen Schnittdarstellung, - Fig. 7
- eine Feststellvorrichtung der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer Schnittdarstellung, - Fig. 8
- ein zweites Ausführungsbeispiel der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer perspektivischen Darstellung, - Fig. 9
- ein Teil eines Gehäusebereichs, ein Bedienelement und einen Betätigungsaufnehmer der Handwerkzeugmaschinenvorrichtung aus Figur 8 in einer perspektivischen Darstellung,
- Fig. 10
- ein drittes Ausführungsbeispiel der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer Schnittdarstellung, - Fig. 11
- ein Teil eines Gehäusebereichs und ein Motor der Handwerkzeugmaschinenvorrichtung aus
Figur 10 in einer Schnittdarstellung, - Fig. 12
- ein weiteres Ausführungsbeispiel der Feststellvorrichtung aus
Figur 7 in einer perspektivischen Darstellung, - Fig. 13
- ein viertes Ausführungsbeispiel der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer Schnittdarstellung und - Fig. 14
- ein fünftes Ausführungsbeispiel der Handwerkzeugmaschinenvorrichtung aus
Figur 1 in einer schematischen, perspektivischen Darstellung.
- Fig. 1
- FIG. 2 shows a schematic representation of a handheld power tool according to the invention with a handheld power tool device comprising a rod-shaped housing area and an operating element, FIG.
- Fig. 2
- the housing area and the operating element off
FIG. 1 in a perspective view, - Fig. 3
- a part of the housing area and the operating element off
FIG. 1 in a perspective view, - Fig. 4
- the housing area and the operating element off
FIG. 1 in a sectional view, - Fig. 5
- the control element off
FIG. 1 in an isolated perspective view, - Fig. 6
- a locking device of the power tool device from
FIG. 1 in a perspective sectional view, - Fig. 7
- a locking device of the power tool device from
FIG. 1 in a sectional view, - Fig. 8
- a second embodiment of the hand tool device from
FIG. 1 in a perspective view, - Fig. 9
- a part of a housing portion, a control element and an actuator of the hand tool device of Figure 8 in a perspective view,
- Fig. 10
- a third embodiment of the hand tool device from
FIG. 1 in a sectional view, - Fig. 11
- a part of a housing portion and a motor of the portable power tool device
FIG. 10 in a sectional view, - Fig. 12
- a further embodiment of the locking device
FIG. 7 in a perspective view, - Fig. 13
- a fourth embodiment of the hand tool device from
FIG. 1 in a sectional view and - Fig. 14
- a fifth embodiment of the hand tool device from
FIG. 1 in a schematic, perspective view.
Die Handwerkzeugmaschinenvorrichtung 10a weist einen von einer Oberfläche des Gehäuses 44a gebildeten Gehäusebereich 12a auf. Der Gehäusebereich 12a ist stabförmig ausgebildet. Er dient bei einem Betrieb als Hauptgriffelement. Dazu weist der Gehäusebereich 12a einen rundlichen Querschnitt auf einer senkrecht zu einer Haupterstreckungsrichtung 16a ausgerichteten Ebene auf. Eine Haupterstreckungsrichtung des Zusatzhandgriffs 38a ist im Wesentlichen senkrecht zu der Haupterstreckungsrichtung 16a des Gehäusebereichs 12a ausgerichtet. Der Einsatzwerkzeugschutz 42a ist zwischen der Einsatzwerkzeugbefestigung 40a und dem Gehäusebereich 12a angeordnet. Er schützt eine den Gehäusebereich 12a umgreifende Hand eines Bedieners.The handheld
Zudem weist die Handwerkzeugmaschinenvorrichtung 10a ein Bedienelement 14a auf. Das Bedienelement 14a erstreckt sich an dem Gehäusebereich 12a entlang der Haupterstreckungsrichtung 16a des Gehäusebereichs 12a, und zwar auf einer der Einsatzwerkzeugbefestigung 40a zugewandten Seite des Gehäusebereichs 12a. Alternativ könnte es sich auch auf einer der Einsatzwerkzeugbefestigung 40a abgewandten Seite des Gehäusebereichs 12a oder an einer anderen, dem Fachmann als sinnvoll erscheinenden Seite angeordnet sein. Insbesondere könnte der Gehäusebereich 12a relativ zu der Einsatzwerkzeugbefestigung 40a drehbar sein. Das Bedienelement 14a weist eine Haupterstreckungsrichtung 24a auf, die parallel zu der Haupterstreckungsrichtung 16a des Gehäusebereichs 12a ausgerichtet ist. Dabei erstreckt sich das Bedienelement 14a über zumindest einen Großteil einer Gesamtlänge des stabförmigen Gehäusebereichs 12a. Das Bedienelement 14a weist eine Bedienfläche 20a mit einer im Wesentlichen rechteckigen Projektionsfläche auf. Die Bedienfläche 20a ist konvex um eine Mittelachse des Gehäusebereichs 12a, die entlang der Haupterstreckungsrichtung 16a des Gehäusebereichs 12a verläuft, gekrümmt ausgebildet. Zwischen dem Bedienelement 14a und dem Gehäuse 44a ist eine nicht näher dargestellte Dichtlippe oder ein anderes überlappendes Element angeordnet, wodurch das Gehäuse 44a gegen eindringenden Staub geschützt ist. Die Dichtlippe oder das überlappende Element sind an dem Gehäuse 44a befestigt.In addition, the handheld
Die Handwerkzeugmaschinenvorrichtung 10a weist ein Lager 18a auf, das die Bedienfläche 20a des Bedienelements 14a um eine parallel zu der Haupterstreckungsrichtung 16a des Gehäusebereichs 12a ausgerichtete Achse 22a relativ zu dem Gehäusebereich 12a schwenkbar lagert. Der Gehäusebereich 12a umschließt dazu einen Freibereich 30a, in den das Bedienelement 14a bei einer Betätigung teilweise versenkbar gelagert ist. Die Handwerkzeugmaschinenvorrichtung 10a umfasst ein nicht näher dargestelltes Federelement, das eine Kraft auf das Bedienelement 14a bewirkt, die dazu vorgesehen ist, das Bedienelement 14a bei einem Ende einer Betätigung aus dem Freibereich 30a heraus zu schwenken. Das Bedienelement 14a ist in einem unbetätigten Betriebszustand zumindest teilweise in dem Gehäusebereich 12a versenkt angeordnet, und zwar ist zumindest ein Anschlag 48a des Bedienelements 14a versenkt angeordnet. Der Anschlag 48a verhindert ein vollständiges herausschwenken des Bedienelements 14a aus dem Gehäusebereich 12a durch das Federelement.The handheld
Wie die
Die Ecken 58a, 60a sind dabei zwischen einer Kante 62a des Bedienelements 14a, die parallel zu der Haupterstreckungsrichtung 16a ausgereichet ist und jeweils einer Kante 64a, die Senkrecht zu der Haupterstreckungsrichtung 16a und senkrecht zu einer Rotationsachse 66a der Einsatzwerkzeugbefestigung 40a ausgerichtet ist, angeordnet. Dabei liegen beide Ecken 58a, 60a in Haupterstreckungsrichtung 16a gesehen auf einer gleichen Seite des Bedienelements 14a, wobei irrelevant für eine Bedienung ist, ob die Ecken 58a, 60a links oder rechts angeordnet sind. Somit ist die Achse 22a des Lagers 18a von einer Ebene beabstandet angeordnet, die durch die Rotationsachse 66a der Einsatzwerkzeugbefestigung 40a und die Haupterstreckungsrichtung des Gehäusebereichs 12a aufgespannt ist.The
Bei einer Montage wird das Bedienelement 14a durch eine auf die Einsatzwerkzeugbefestigung 40a zugerichtete Bewegung befestigt. Dabei dringen jeweils einer der Bolzen 50a, 52a in eine der Ausnehmungen 54a, 56a ein. Die Achse 22a des Lagers 18a verläuft durch die beiden Bolzen 50a, 52a. Zusätzlich könnte das Lager 18a weitere Lagerelemente, insbesondere zwischen den Bolzen 50a, 52a bzw. den Ausnehmungen 54a, 56a, aufweisen. Alternative dem Fachmann als sinnvoll erscheinende Anordnungen der Bolzen und Ausnehmungen sind möglich. Ferner wäre ein Filmscharnier zwischen dem Bedienelement 14a und dem Gehäuse 44a möglich.During assembly, the
Das Gehäuse 44a weist ein Gehäuseelement 68a auf, das einen Motor 70a der Handwerkzeugmaschine 36a befestigt. Zudem weist da Gehäuse 44a ein Gehäuseelement 72a auf, das eine Elektronik 74a der Handwerkzeugmaschine 36a befestigt. Dieses Gehäuseelement 72a ist zweischalig ausgebildet. Davon ist in der
Die Handwerkzeugmaschinenvorrichtung 10a weist einen Betätigungsaufnehmer 76a auf. Der Betätigungsaufnehmer 76a erzeugt bei einer Betätigung eine elektrische Kenngröße, die zumindest eine Information über die Betätigung aufweist. Er umfasst das nicht näher dargestellte Federelement, einen Hebel 78a und eine elektrische Schaltkomponente 80a. Der Hebel 78a ist um eine Achse 82a bewegbar gelagert und setzt eine Bewegung des Bedienelements 12a bei einer Betätigung passend zur Schaltkomponente 80a um.The handheld
Die Handwerkzeugmaschinenvorrichtung 10a weist eine in den
Die Handwerkzeugmaschinenvorrichtung 10a umfasst eine nur in den
Bei einem Trennvorgang hält der Bediener den Gehäusebereich 12a vorteilhaft mit der linken oder der rechten Hand umgriffen, und zwar entlang der Haupterstreckungsrichtung 16a in einem mittleren Bereich oder in einem der Einsatzwerkzeugbefestigung 40a zugewandten vorderen Bereich. Dabei betätigt der Bediener das Bedienelement 14a entweder mit dem Handballen oder mit dem Daumen. Bei Arbeiten über dem Kopf hält der Bediener den Gehäusebereich 12a vorteilhaft an einem der Einsatzwerkzeugbefestigung 40a abgewandten hinteren Bereich. Bei einer Oberflächenbearbeitung, das heißt wenn das Einsatzwerkzeug 46a etwa parallel zu einer bearbeiteten Oberfläche ausgerichtet ist, betätigt der Bediener das Bedienelement 14a vorteilhaft mit den dem Daumen gegenüberliegenden Fingerspitzen.In a separating operation, the operator advantageously grips the
In den
Die
Die Handwerkzeugmaschinenvorrichtung 10b umfasst einen Betätigungsaufnehmer 76b mit einer Schaltkomponente 80b. Der Betätigungsaufnehmer 76b ist dazu vorgesehen, die Schaltkomponente 80b mit einer Bewegung des Bedienelements 14b in Betätigungsrichtung 94b direkt zu betätigen.The handheld
Die
Das Lager 18c weist zur Führung des Bedienelements 14c Langlöcher 34c, 35c auf. Die Langlöcher 34c, 35c sind an einem Gehäuse 44c der Handwerkzeugmaschine angeordnet, und zwar auf zwei Seiten eines Freibereichs 30c des Gehäuses 44c, wobei eine dargestellte Seite einer Einsatzwerkzeugbefestigung der Handwerkzeugmaschine zugewandt ist und eine nicht dargestellte Seite der Einsatzwerkzeugbefestigung abgewandt ist. Zwei der dargestellten Langlöcher 34c sind spiegelsymmetrisch zu einer Symmetrieebene 98c angeordnet, die durch das dritte dargestellte Langloch 35c verläuft. Diese zwei Langlöcher 34c führen jeweils eine der zwei Bedienflächen 20c im Wesentliche senkrecht zu der Symmetrieebene 98c. Das dritte Langloch führt beide Bedienflächen 20c gleichermaßen in einer Richtung parallel zu der Symmetrieebene 98c. Das Lager weist ein Filmscharnier 32c auf, das beide Bedienflächen 20c des Bedienelements 14c relativ zueinander bewegliche lagert. Ein alternativ ausgebildetes, dem Fachmann als sinnvoll erscheinendes Lager zwischen den Bedienflächen 20c ist möglich.The bearing 18c has
Die
Die
Die
Claims (10)
- Hand power-tool device, in particular for an angle grinder, having a motor (70a) and having an at least substantially rod-shaped housing region (12a - 12f) that, during operation, serves as a main handle element, having at least one operating element (14a- 14f), which extends, on the housing region (12a - 12f), along a direction of main extent (16a - 16f) of the housing region (12a - 12f), wherein the operating element (14a - 14f) has a direction of main extent (24a; 24b; 24d; 24f) aligned at least substantially parallelwise in relation to the direction of main extent (16a - 16f) of the housing region (12a - 12f), and having at least one bearing (18a - 18f), by which at least one operating face (20a - 20f) of the operating element (14a - 14f) is carried so as to be swivelable about at least one axis (22a - 22f) aligned at least substantially parallelwise in relation to the direction of main extent (16a - 16f), characterized in that the rod-shaped housing region (12a - 12f) encloses the motor (70a) and the hand power-tool device is provided such that an output of electrical energy to the motor (70a) is able to be influenced by an operator by means of the operating element (14a - 14f) during a work operation.
- Hand power-tool device according to Claim 1, characterized in that the operating element (14a - 14f) extends over at least a greater part of a total length of the rod-shaped housing region (12a - 12f).
- Hand power-tool device according to either one of the preceding claims, characterized in that the operating face (20a - 20f) is realized in a convexly curved manner.
- Hand power-tool device according to any one of the preceding claims, characterized by an inhibiting device (26a) for inhibiting the operating element (14a), having a release element (28a) that is provided to undo the inhibiting of the operating element (14a).
- Hand power-tool device according to any one of the preceding claims, characterized in that the housing region (12a - 12f) encloses at least one free region (30a), into which the operating element (14a - 14f) is carried such that it can be sunk, at least partially, upon an actuation.
- Hand power-tool device according to any one of the preceding claims, characterized in that the operating element (14a - 14f), when in a non-actuated operating state, is disposed in an at least partially sunk manner in the housing region (12a - 12f).
- Hand power-tool device according to any one of the preceding claims, characterized in that the bearing (18c) comprises at least one film hinge (32c).
- Hand power-tool device according to any one of the preceding claims, characterized in that the bearing (18c) has at least one oblong hole (34c, 35c), at least for guiding the operating element (14c).
- Hand power-tool device according to any one of the preceding claims, characterized in that the operating element (14c; 14f) has at least two operating faces (20c; 20f) carried so as to be movable relative to each other.
- Hand power tool having a hand power-tool device (10a - 10f) according to any one of the preceding claims.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010039794A DE102010039794A1 (en) | 2010-08-26 | 2010-08-26 | Hand machine tool device |
PCT/EP2011/063001 WO2012025328A2 (en) | 2010-08-26 | 2011-07-28 | Hand-operated machine tool device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2608936A2 EP2608936A2 (en) | 2013-07-03 |
EP2608936B1 true EP2608936B1 (en) | 2015-04-08 |
Family
ID=44629734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11740885.6A Active EP2608936B1 (en) | 2010-08-26 | 2011-07-28 | Hand-operated machine tool device |
Country Status (6)
Country | Link |
---|---|
US (1) | US9527202B2 (en) |
EP (1) | EP2608936B1 (en) |
CN (1) | CN103068532B (en) |
DE (1) | DE102010039794A1 (en) |
RU (1) | RU2620225C2 (en) |
WO (1) | WO2012025328A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022206667A1 (en) | 2022-06-30 | 2024-01-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016209637A1 (en) * | 2016-06-02 | 2017-12-07 | Robert Bosch Gmbh | Hand tool with a switching unit |
US11358267B2 (en) * | 2019-09-11 | 2022-06-14 | Textron Innovations Inc. | Tool guard |
DE102019216866A1 (en) * | 2019-10-31 | 2021-05-06 | Robert Bosch Gmbh | Hand machine tool |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU105859A1 (en) * | 1956-05-29 | 1956-11-30 | И.И. Брамм | Mechanized pipe wrench |
US3579002A (en) * | 1970-03-31 | 1971-05-18 | Black & Decker Mfg Co | Reversing switch for power tools |
DE9004826U1 (en) | 1990-04-27 | 1990-07-05 | MAN Nutzfahrzeuge AG, 8000 München | Switch on the steering column of a motor vehicle |
US6023848A (en) | 1995-06-09 | 2000-02-15 | Black & Decker Inc. | Saw blade clamping arrangement for a power tool |
DE19617477A1 (en) * | 1996-05-02 | 1997-11-06 | Bosch Gmbh Robert | Electric hand grinder |
ES2235423T3 (en) * | 1998-12-31 | 2005-07-01 | C. & E. FEIN GMBH | ELECTRICAL TOOL, ESPECIALLY ANGULAR GRINDER. |
ATE287320T1 (en) * | 1998-12-31 | 2005-02-15 | Fein C & E Gmbh | POWER TOOLS, ESPECIALLY ANGLE GRINDERS |
DE10248866B4 (en) * | 2002-10-18 | 2016-03-17 | Robert Bosch Gmbh | Hand tool |
NL1026669C2 (en) * | 2004-07-16 | 2006-01-17 | Bosch Gmbh Robert | Handle for a hand machine tool. |
JP2006325395A (en) * | 2005-05-17 | 2006-11-30 | Milwaukee Electric Tool Corp | Power tool, battery, charger, and operating method of these |
DE102008041720B4 (en) | 2008-08-29 | 2020-02-06 | Robert Bosch Gmbh | Hand tool with brush motor |
JP5255959B2 (en) * | 2008-09-03 | 2013-08-07 | 株式会社マキタ | Work tools |
-
2010
- 2010-08-26 DE DE102010039794A patent/DE102010039794A1/en not_active Withdrawn
-
2011
- 2011-07-28 WO PCT/EP2011/063001 patent/WO2012025328A2/en active Application Filing
- 2011-07-28 US US13/819,189 patent/US9527202B2/en active Active
- 2011-07-28 CN CN201180041094.1A patent/CN103068532B/en active Active
- 2011-07-28 RU RU2013113107A patent/RU2620225C2/en not_active IP Right Cessation
- 2011-07-28 EP EP11740885.6A patent/EP2608936B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022206667A1 (en) | 2022-06-30 | 2024-01-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool |
Also Published As
Publication number | Publication date |
---|---|
DE102010039794A1 (en) | 2012-03-01 |
CN103068532A (en) | 2013-04-24 |
EP2608936A2 (en) | 2013-07-03 |
US9527202B2 (en) | 2016-12-27 |
WO2012025328A2 (en) | 2012-03-01 |
RU2620225C2 (en) | 2017-05-23 |
CN103068532B (en) | 2017-05-17 |
WO2012025328A3 (en) | 2012-04-26 |
RU2013113107A (en) | 2014-10-10 |
US20130220657A1 (en) | 2013-08-29 |
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