EP2794185B1 - Machine-outil - Google Patents

Machine-outil Download PDF

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Publication number
EP2794185B1
EP2794185B1 EP12784610.3A EP12784610A EP2794185B1 EP 2794185 B1 EP2794185 B1 EP 2794185B1 EP 12784610 A EP12784610 A EP 12784610A EP 2794185 B1 EP2794185 B1 EP 2794185B1
Authority
EP
European Patent Office
Prior art keywords
power tool
region
handle
handle housing
latch element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12784610.3A
Other languages
German (de)
English (en)
Other versions
EP2794185A2 (fr
Inventor
Cornelius Boeck
Daniel BARTH
Joachim Schadow
Sinisa Andrasic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2794185A2 publication Critical patent/EP2794185A2/fr
Application granted granted Critical
Publication of EP2794185B1 publication Critical patent/EP2794185B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H01H9/063—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a reversing switch

Definitions

  • the invention relates to a machine tool, in particular an angle grinder, with at least one handle housing, which has at least one handle-shaped handle portion, and with at least one switching unit having at least one movably mounted pawl member.
  • a machine tool in particular an angle grinder
  • Another generic machine tool is from the DE 199 00 404 A1 known. Starting from the prior art, a machine tool with high ease of use is to be provided.
  • the pawl element has a maximum transverse extent, which extends at least over a majority of at least one maximum transverse extent of the handle-shaped handle portion of the handle housing.
  • the machine tool is preferably designed as a portable machine tool, in particular as a portable, hand-held machine tool.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool for machining workpieces, which can be transported without transport machine by an operator.
  • the portable power tool has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 7 kg.
  • the portable power tool is particularly preferred as an angle grinder educated.
  • the portable power tool has another, a skilled person appear appropriate design, such as an embodiment as a drill and / or chisel, as a drill, as a saber saw, as a jigsaw, as a hedge trimmer, etc.
  • a "handle housing” is to be understood here in particular at least one housing or at least one housing part region which is largely decoupled from a bearing of a drive and / or output unit of the machine tool, wherein at least one handle portion of the housing or the housing portion, in particular a designed as a handle-shaped handle portion housing portion, at least for the most part is umgreifbar by an operator to handle the machine tool with at least one hand.
  • the term "largely encompassable” is intended here in particular to encompass a component or a component region by means of an operator's hand along at least more than 70%, preferably more than 80% and particularly preferably more than 90% of an overall extension of one in an at least substantially vertical Defining the overall outer circumference of the component or of the component region extending to a longitudinal extension direction of the component or of the component region, the total extent of the overall circumference is in particular less than 40 cm, preferably less than 30 cm and particularly preferably less than 25 cm.
  • a palm and finger inner surfaces of the operator's hand are greater than 70%, preferably greater than 80% and particularly preferably greater than 90% of the total extension of the total outer circumference on the overall outer circumference, at least along a distance.
  • the handle housing is formed separately from a drive housing of the machine tool, which is intended to receive the drive and / or output unit to a support of drive and / or output bearing forces.
  • the handle housing and the drive housing are integrally formed.
  • stem-shaped grip region should in this case in particular define a housing part region of the handle housing which extends in a longitudinal sectional plane in which the main extension direction of the machine tool extends, viewed along a direction extending at least substantially perpendicular to the main direction, a maximum extension in particular less than 10 cm, preferably less than 8 cm and more preferably less than 6 cm, wherein at least one control surface of the handle housing in the housing portion of the handle housing is arranged.
  • the maximum extent, viewed in the longitudinal section plane is preferably limited by at least two parallel straight lines or by at least two straight lines inclined by an angle of less than 10 °, preferably less than 8 ° and particularly preferably less than 6 °, relative to one another the housing portion of the handle housing are formed.
  • the handle-shaped handle region is in particular at least an angle of less than 60 °, preferably less than 40 ° and more preferably less than 30 ° inclined relative to a main extension direction of the machine tool.
  • the handle-shaped handle portion along a rotational axis of a drive element, in particular an armature shaft, a drive unit of the machine tool and in particular along the main extension direction of the machine tool, arranged behind the drive unit.
  • the handle housing in addition to the handle-shaped handle portion has a bow-shaped portion which is integrally formed on the handle-shaped handle portion.
  • the bow-shaped portion may preferably have an L-shaped configuration which extends from an end of the handle-shaped housing facing away from the handle-shaped handle portion L-shaped in the direction of the connection region.
  • the handle housing comprises at least two handle housing shell elements which are connectable to one another in a connecting plane.
  • the handle housing on a preferred shell construction.
  • the handle housing has a pot construction.
  • switching unit is intended here to define in particular a unit which has at least one component, in particular the pawl element, which can be actuated directly by an operator and which is provided with a process and / or by inputting parameters or to affect and / or change a state of a unit coupled to the switching unit.
  • the pawl element is preferably for actuation provided at least one switching element of the switching unit.
  • a “pawl element” should be understood here to mean, in particular, an operating element which has a longitudinal extent along a longitudinal extension direction of the operating element which is greater than a transverse extent of the operating element extending at least substantially perpendicular to the longitudinal extension direction, which runs at least substantially transversely to a main direction of movement of the operating element ,
  • substantially transversely is meant in particular an alignment of a direction and / or an axis relative to a reference direction and / or a reference axis, wherein the orientation of the direction and / or the axis at least different from an at least substantially parallel orientation to Reference direction and / or to the reference axis and in particular is skewed or perpendicular to the reference direction and / or to the reference axis.
  • a maximum longitudinal extension of the pawl element is at least 2 times larger, preferably at least 4 times larger, and more preferably at least 6 times larger than a maximum transverse extent of the pawl element.
  • the pawl element has a maximum longitudinal extent which is greater than 3 cm, preferably greater than 6 cm and particularly preferably greater than 8 cm.
  • the pawl element preferably comprises an operating surface, in particular a control surface formed by a gripping surface region of the pawl element, on which an operator can arrange at least three fingers for actuating the pawl element and which has at least one longitudinal extent extending along the longitudinal extension direction of the pawl element which is greater than 5 cm.
  • the switching unit is provided to actuate the switching element by means of an actuation of the pawl element in order to open or close a circuit to a power supply of at least one drive unit of the machine tool.
  • the switching unit is preferably intended to commission or deactivate the To enable machine tool.
  • intended is intended to be understood in particular specifically designed and / or specially equipped.
  • the switching element is preferably formed by a mechanical, electrical and / or electronic switching element.
  • maximum transverse extent is intended here in particular to a maximum extension of a component or a housing, in particular a multi-part housing in an assembled state, along a direction at least substantially perpendicular to the main extension direction of the machine tool and at least substantially transversely to at least one main movement direction of the pawl element direction define.
  • a maximum transverse extent of the pawl element corresponds to at least more than 40%, preferably more than 60% and particularly preferably more than 80% of the maximum transverse extent of the handle-shaped handle portion of the handle-shaped housing.
  • a ratio of the maximum transverse extent of the pawl element to the maximum transverse extent of the handle-shaped handle portion of the handle housing is at least greater than 1 to 2.5.
  • the ratio of the maximum transverse extent of the pawl element to the maximum transverse extent of the handle-shaped handle portion of the handle housing is at least greater than 1 to 2 and more preferably the ratio is greater than 1 to 1.4. It may be advantageous in an actuation of the pawl element exercising a low pressure on finger inner surfaces and / or a palm of a hand of an operator due to a can be achieved by the ratio of the maximum transverse extent of the pawl element to the maximum transverse extent of the handle-shaped handle portion handle-shaped housing advantageous geometry of the pawl element.
  • the pawl element has a maximum longitudinal extent, which extends over at least a major portion of a maximum longitudinal extent of the handle-shaped handle portion of the handle housing.
  • a maximum longitudinal extent of the pawl element corresponds to at least more than 75%, preferably more than 80% and particularly preferably more than 90% of the maximum longitudinal extent of the handle-shaped handle portion of the handle-shaped housing.
  • the maximum longitudinal extent of the pawl member and the maximum longitudinal extent of the handle-shaped handle portion extend in a mounted state of the pawl member and the handle housing along one in the connection plane of the handle housing, in which the handle housing shell elements abut each other in an assembled state, respectively Direction that extends at least substantially transversely to the main direction of movement of the pawl element.
  • a large usable control surface of the pawl element can be advantageously achieved.
  • a comfortable to use pawl element can be created.
  • An operator may advantageously use at least 3 fingers of a hand of the operator to actuate the pawl member.
  • a ratio of the maximum longitudinal extent of the pawl element to the maximum longitudinal extent of the handle-shaped handle portion of the handle housing is at least greater than 1 to 1.4.
  • the ratio of the maximum longitudinal extent of the pawl element to the maximum longitudinal extension of the handle-shaped handle portion is at least greater than 1 to 1.3 and more preferably the ratio is greater than 1 to 1. It can advantageously a comfortable operation of the pawl element at least substantially over the maximum Longitudinal extension of the handle-shaped handle portion are made possible. Thus, a high ease of use can be achieved.
  • the pawl element has at least one side wall region, which is connected via an arcuate portion of the pawl element with a grip surface of the pawl element extending at least substantially perpendicular to the sidewall region, wherein a ratio of a radius of the arcuate portion to the maximum transverse extent of the handle-shaped handle portion
  • the ratio of the radius of the arcuate portion to the maximum transverse extent of the handle-shaped handle portion of the handle housing is at least greater than 1 to 4, and more preferably, the ratio is at least greater than 1 to 2.7.
  • the side wall portion in a mounted state of the pawl member on the handle housing, the side wall portion extends along a direction at least substantially parallel to the connecting plane of the handle housing.
  • the gripping surface region preferably extends along a direction extending at least substantially perpendicular to the connection plane of the handle housing.
  • the pawl element is pivotally mounted about a pivot axis of the pawl element.
  • the pivot axis extends at least substantially perpendicular to the connection plane of the handle housing. It can be advantageous to create an easy-to-use pawl element, in which a storage is insensitive to contamination.
  • a lever effect can advantageously be used for a comfortable actuation of the switching element by means of the pawl element.
  • connection area is intended here to define, in particular, a region of the handle housing, via which the handle housing is connected to the drive housing in a form-fitting, force-locking and / or material-locking manner or with which the handle housing rests directly on the drive housing.
  • an end of the pawl element facing a connection region is to be understood in particular as an arrangement of points of the pawl element relative to a median plane of the pawl element that is at least substantially perpendicular to the direction of elongation of the pawl element and at least substantially uniformly spaced from one another along the longitudinal direction the switching pawl element arranged spaced apart ends of the pawl element is arranged, wherein all points of the pawl element, which are arranged starting from the center plane in the direction of the connection region, viewed along the longitudinal extension direction of the pawl element, are considered to be facing the connection region.
  • the pivot axis of the pawl element extends at least substantially transversely to a main extension direction of the handle housing.
  • the main extension direction of the handle housing preferably extends at least substantially parallel to the main extension direction of the machine tool.
  • the main extension direction of the handle housing is identical to the main extension direction of the machine tool.
  • the pivot axis of the pawl element extends at least substantially perpendicular to the main direction of extension of the machine tool. It can advantageously be achieved a comfortable operation of the pawl element.
  • the machine tool comprises at least one switch-on blocking unit, which is intended to at least largely avoid movement of the switch pawl element as a result of unintentional actuation of the pawl element.
  • a switch-on blocking unit which is intended to at least largely avoid movement of the switch pawl element as a result of unintentional actuation of the pawl element.
  • a unit is to be understood which is intended, at least in one operating state, to largely move a movably mounted component, in particular the pawl element, along at least one path and / or around at least one axis by means of a mechanical, electrical and / or electronic barrier to prevent.
  • the Einschaltsperrvenez is provided to prevent at least in an operating condition by means of a mechanical lock movement of the pawl element as far as possible.
  • the Einschaltsperrritt prevented at least in an operating condition by means of an electromagnetic force and / or a permanent magnetic force, such as by means of sliding magnets on the pawl element movement of the pawl element as far as possible.
  • the embodiment according to the invention can advantageously be prevented as far as possible unintentional startup of the machine tool.
  • the Einschaltsperrillon on at least one release element which comprises an actuating portion which is at least partially disposed laterally adjacent to a side wall portion of the pawl element.
  • the term "laterally next to” is to be understood here as meaning, in particular, an arrangement of the actuating region of the release element relative to the pawl element, the actuating region being viewed relative to a direction extending at least substantially perpendicular to the side wall region, in particular starting from the side wall region in a direction away from the handle housing is arranged spaced from the pawl element.
  • an ergonomically sensible arrangement of the release element, in particular of the actuation region can be achieved.
  • a machine tool switching device has at least one bearing unit to a movable mounting of the pawl element.
  • the bearing unit can be in the form of a translation bearing unit, a rotation bearing unit or a combination of a translation bearing unit and a rotation bearing unit be formed, such as a Hebelgetriebelageriki etc .
  • the storage unit preferably has a, already known to a person skilled in the embodiment. It can thus be advantageously achieved a simple retrofitting of existing machine tools with the switching unit according to the invention and the storage unit.
  • the machine tool according to the invention should not be limited to the application and embodiment described above.
  • the machine tool according to the invention may have a different number from a number of individual elements, components and units mentioned herein for performing a function described herein, but within the scope of the appended claims.
  • FIG. 1 shows a machine tool 10, which is formed by a designed as an angle grinder 12 portable power tool 10.
  • the portable power tool 10 includes at least one handle housing 14 having at least one handle-shaped portion 16, and at least one switching unit 18 having at least one movably mounted pawl member 20.
  • the portable power tool 10 has at least one power tool switching device which comprises at least the switching unit 18.
  • the handle-shaped handle portion 16 of the handle housing 14 here forms a main handle of the portable power tool 10.
  • the main handle formed by the handle-shaped handle portion 16 extends at least substantially starting from a connection region 42 of the handle housing 14 in a direction away from the connection region 42 direction to one side 60th of the handle housing 14 to which a cable of the angle grinder 12 formed as a portable power tool 10 is arranged for power supply.
  • the handle-shaped handle portion 16 of the handle housing 14 is inclined by an angle smaller than 30 ° relative to a main extension direction 46 of the handle housing 14 and to a main extension direction 62 of the portable power tool 10.
  • the trained as an angle grinder 12 portable power tool 10 further includes a protective hood unit 54, a drive housing 56 and a driven housing 58. From the output housing 58 out as a spindle (not shown here) formed output shaft of an output unit 64 of the portable power tool 10 extends to the a machining tool 66 for machining a workpiece (not shown here) can be fixed.
  • the machining tool 66 is designed as a grinding wheel. However, it is also conceivable that the machining tool 66 is formed as a separating or polishing wheel.
  • the portable power tool 10 includes the drive housing 56 for receiving a drive unit 68 of the portable power tool 10 and the output housing 58 for receiving the output unit 64.
  • the drive unit 68 is provided to rotate the machining tool 66 via the output unit 64.
  • the machining tool 66 can in this case by means of a fastener (not shown here) for machining a workpiece rotatably with the spindle get connected.
  • the machining tool 66 can be rotationally driven in an operation of the portable power tool 10.
  • the output unit 64 is connected to the drive unit 68 in a manner already known to a person skilled in the art by means of a drive element (not shown here in detail) designed as a pinion and rotatingly drivable.
  • an auxiliary handle 70 is arranged on the output housing 58. The auxiliary handle 70 extends in a state mounted on the output housing 58 transversely to the main extension direction 62 of the portable power tool 10.
  • FIG. 2 shows a detailed view of the arranged on the handle housing 14 pawl member 20 of the switching unit 18.
  • the pawl member 20 is pivotally mounted about a pivot axis 40 of the pawl member 20 on the handle housing 14.
  • the pivot axis 40 of the pawl member 20 extends at least substantially perpendicular to the main extension direction 46 of the handle housing 14 or at least substantially perpendicular to the main extension direction 62 of the portable power tool 10.
  • the pivot axis 40 extends at least substantially perpendicular to a connection plane of the handle housing 14.
  • two handle housing shell elements 72, 74 of the handle housing 14 are connected together in an assembled state.
  • the pivot axis 40 is arranged on a connecting region 42 of the handle housing 14 facing the end 44 of the pawl element 20.
  • the pawl member 20 is pivotally mounted on the connecting region 42 of the handle housing 14 facing the end 44.
  • the pawl element 20 has a maximum transverse extent 22, which extends over at least a majority of at least one maximum transverse extent 24 of the handle-shaped handle portion 16 of the handle housing 14.
  • a ratio of the maximum transverse extent 22 of the pawl element 20 to the maximum transverse extent 24 of the handle-shaped handle portion 16 of the handle housing 14 is at least greater than 1 to 2.5.
  • the maximum transverse extent 22 of the pawl element 20 extends along an at least substantially perpendicular to the main extension direction 46 of the handle housing 14 or at least substantially perpendicular to the main extension direction 62 of the portable power tool 10 and at least substantially transversely at least to a main direction of movement of the pawl member 20 extending direction.
  • the maximum transverse extent 22 of the pawl element 20 extends at least substantially parallel to the pivot axis 40 of the pawl element 20.
  • the maximum transverse extent 24 of the handle-shaped handle portion 16 of the handle housing 14 also extends along the at least substantially perpendicular to the main extension direction 46 of the handle housing 14 or at least substantially perpendicular to the main extension direction 62 of the portable power tool 10 and at least substantially transversely at least to a main movement direction of the pawl element 20 extending direction.
  • the pawl element 20 has a maximum longitudinal extension 26, which extends over at least a major portion of a maximum longitudinal extension 28 of the handle-shaped handle portion 16 of the handle housing 14.
  • a ratio of the maximum longitudinal extension 26 of the pawl element 20 to the maximum longitudinal extension 28 of the handle-shaped handle portion 16 of the handle housing 14 is at least greater than 1 to 1.4.
  • the maximum longitudinal extension 26 of the pawl member 20 extends in a mounted state of the pawl member 20 on the handle housing 14 along a direction in the connection plane of the handle housing 14 extending at least substantially transverse to a main movement direction of the pawl member 20.
  • the maximum longitudinal extension 26 of the pawl member 20 extends along at least substantially perpendicular to the pivot axis 40 of the pawl member 20 extending direction.
  • the maximum longitudinal extension 28 of the handle-shaped handle portion 16 of the handle housing 14 also extends along the at least substantially perpendicular to the pivot axis 40 of the pawl member 20 extending direction.
  • the pawl element 20 has at least one side wall region 30, which is connected via an arcuate subregion 34 of the pawl element 20 to a gripping surface region 38 of the pawl element 20 extending at least substantially perpendicular to the side wall region 30, wherein a ratio of a radius of the arcuate subregion 34 to the maximum transverse extent 24 of the handle-shaped handle portion 16 of the handle housing 14 is at least greater than 1 to 8 ( FIG. 3 ).
  • the pawl element 20 two side wall portions 30, 32 which is connected in each case via one of two arcuate portions 34, 36 of the pawl element 20 with the at least substantially perpendicular to the side wall portions 30, 32 extending gripping surface portion 38 of the pawl element 20.
  • the gripping surface area 38 of the pawl element 20 extends here, viewed along the main extension direction 46 of the handle housing 14, at least over a majority of the maximum longitudinal extent 26 of the pawl element 20. Further, the gripping surface portion 38 of the pawl element 20, viewed along the main extension direction 46 of the handle housing 14, a at least essentially flat course. Thus, the course of the gripping surface area 38 of the pawl element 20 is at least largely decoupled from step-like shoulders. However, it is also conceivable that the gripping surface area 38 of the pawl element 20 has at least one finger-trough area, which is intended to receive at least one finger of an operator's hand during an actuation or holding of the pawl element 20.
  • the portable power tool 10 has at least one Einschaltsperrritt 48, which is intended to at least largely avoid a movement of the pawl member 20 due to unintentional operation of the pawl member 20.
  • the Einschaltsperrritt 48 is formed as a mechanical locking unit. However, it is also conceivable that the Einschaltsperrritt 48 is formed as an electrical and / or electronic locking unit.
  • the Einschaltsperrritt 48 has at least one release element 50 which includes an actuating portion 52 which is at least partially disposed laterally adjacent to one of the side wall portions 30, 32 of the pawl member 20.
  • the Einschaltsperrappel 48 has at least one further release element 76 which has an actuating portion 78 which is at least partially disposed laterally adjacent to one of the side wall portions 30, 32 of the pawl member 20.
  • One of the side wall regions 30, 32 faces the release element 50, and one of the side wall regions 30, 32 faces the further release element 76.
  • the actuating portions 52, 78 of the release member 50 and the further release member 76 are each viewed from the connection plane of the handle housing 14 in an at least substantially perpendicular to the connection plane of the handle housing 14 and away from the handle housing 14 direction, spaced apart from the respective sidewall region 30, 32.
  • the release element 50 and the further release element 76 are arranged mirror-symmetrically with respect to the connection plane of the handle housing 14.
  • release element 50 and the further release element 76 are pivotally mounted about a release pivot axis 80.
  • release pivot axis 80 extends in the connection plane of the handle housing 14.
  • release pivot axis 80 extends at least substantially perpendicular to the pivot axis 40 of the pawl element 20.
  • the portable power tool 10 in addition to Einschaltsperrappel 48 has an electrical and / or electronic startup lock, for example, only a current to the drive unit 68 allows once a sensor unit of the portable power tool 10 concerns a further hand of an operator on the auxiliary handle 70 in addition to the presence of a hand on the handle housing 14, in particular the handle-shaped handle portion 16, sensed and thus via a control and / or regulating unit of the portable power tool 10, which evaluates the sensed characteristics and processed , which deactivates electrical and / or electronic start-up lock to allow commissioning of the portable power tool 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Portable Power Tools In General (AREA)
  • Harvester Elements (AREA)
  • Mechanisms For Operating Contacts (AREA)

Claims (10)

  1. Machine-outil, notamment meuleuse d'angle, comprenant au moins un carter à poignée (14) qui possède au moins une zone de préhension (16) en forme de manche, le carter à poignée (14) étant dans une large mesure découplé d'un support d'une unité d'entraînement (68) et/ou d'une unité menée (64) de la machine-outil, et au moins une zone partielle de carter réalisée sous la forme de la zone de préhension (16) en forme de manche pouvant être enveloppée au moins en grande partie par un opérateur avec au moins une main en vue du maniement de la machine-outil, et comprenant au moins une unité de commutation (18) qui possède au moins élément à cliquet de commutation (20) monté mobile, caractérisée en ce que l'élément à cliquet de commutation (20) possède une extension transversale maximale (22) qui s'étend au moins sur une grande partie d'au moins une extension transversale maximale (24) de la zone de préhension (16) en forme de manche du carter à poignée (14).
  2. Machine-outil selon la revendication 1, caractérisée en ce qu'un rapport entre l'extension transversale maximale (22) de l'élément à cliquet de commutation (20) et l'extension transversale maximale (24) de la zone de préhension (16) en forme de manche du carter à poignée (14) est compris entre au moins plus de 1 et 2,5.
  3. Machine-outil selon l'une des revendications précédentes, caractérisée en ce que l'élément à cliquet de commutation (20) possède une extension longitudinale maximale (26) qui s'étend au moins sur une grande partie d'une extension longitudinale maximale (28) de la zone de préhension (16) en forme de manche du carter à poignée (14).
  4. Machine-outil selon la revendication 3; caractérisée en ce qu'un rapport entre l'extension longitudinale maximale (26) de l'élément à cliquet de commutation (20) et l'extension longitudinale maximale (28) de la zone de préhension (16) en forme de manche du carter à poignée (14) est compris entre au moins plus de 1 et 1,4.
  5. Machine-outil selon l'une des revendications précédentes, caractérisée en ce que l'élément à cliquet de commutation (20) possède au moins une zone de paroi latérale (30, 32) qui est reliée par le biais d'une zone partielle coudée (34, 36) de l'élément à cliquet de commutation (20) avec une zone de surface de préhension (38) de l'élément à cliquet de commutation (20) qui s'étend au moins sensiblement perpendiculairement à la zone de paroi latérale (30, 32), un rapport entre un rayon de la zone partielle coudée (34, 36) et l'extension transversale maximale (24) de la zone de préhension (16) en forme de manche du carter à poignée (14) étant compris entre au moins plus de 1 et 8.
  6. Machine-outil selon l'une des revendications précédentes, caractérisée en ce que l'élément à cliquet de commutation (20) est monté pivotant autour d'un axe de pivotement (40) de l'élément à cliquet de commutation (20).
  7. Machine-outil selon la revendication 6, caractérisée en ce que l'axe de pivotement (40) est disposé à une extrémité (44) de l'élément à cliquet de commutation (20) faisant face à une zone de raccordement (42) du carter à poignée (14).
  8. Machine-outil selon la revendication 6 ou 7, caractérisée en ce que l'axe de pivotement (40) de l'élément à cliquet de commutation (20) s'étend au moins sensiblement transversalement par rapport à un sens de projection principal (46) du carter à poignée (14).
  9. Machine-outil selon l'une des revendications précédentes, caractérisée par au moins une unité de blocage de mise en marche (48) qui est conçue pour éviter au moins en grande partie un mouvement de l'élément à cliquet de commutation (20) suite à un actionnement involontaire de l'élément à cliquet de commutation (20).
  10. Machine-outil selon la revendication 9, caractérisée en ce que l'unité de blocage de mise en marche (48) possède au moins un élément de libération (50, 76) qui comprend une zone d'actionnement (52, 78), laquelle est disposée au moins partiellement latéralement à côté d'une zone de paroi latérale (30, 32) de l'élément à cliquet de commutation (20).
EP12784610.3A 2011-12-23 2012-11-15 Machine-outil Active EP2794185B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011089729A DE102011089729A1 (de) 2011-12-23 2011-12-23 Werkzeugmaschine
PCT/EP2012/072732 WO2013092027A2 (fr) 2011-12-23 2012-11-15 Machine-outil

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EP2794185B1 true EP2794185B1 (fr) 2016-05-04

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DE (1) DE102011089729A1 (fr)
RU (1) RU2014130126A (fr)
WO (1) WO2013092027A2 (fr)

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DE102011089722A1 (de) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
US10131042B2 (en) 2013-10-21 2018-11-20 Milwaukee Electric Tool Corporation Adapter for power tool devices
CN104723292A (zh) * 2013-12-21 2015-06-24 苏州宝时得电动工具有限公司 摆动动力工具

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WO2013092027A2 (fr) 2013-06-27
EP2794185A2 (fr) 2014-10-29
WO2013092027A3 (fr) 2013-09-06
RU2014130126A (ru) 2016-02-10
DE102011089729A1 (de) 2013-06-27
US9312080B2 (en) 2016-04-12
US20150034465A1 (en) 2015-02-05

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