EP2329509A1 - Gerätehauptschalter für elektrische werkzeugmaschinen, insbesondere elektrohandwerkzeuge, und ein elektrohandwerkzeug - Google Patents
Gerätehauptschalter für elektrische werkzeugmaschinen, insbesondere elektrohandwerkzeuge, und ein elektrohandwerkzeugInfo
- Publication number
- EP2329509A1 EP2329509A1 EP09780221A EP09780221A EP2329509A1 EP 2329509 A1 EP2329509 A1 EP 2329509A1 EP 09780221 A EP09780221 A EP 09780221A EP 09780221 A EP09780221 A EP 09780221A EP 2329509 A1 EP2329509 A1 EP 2329509A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- switching
- actuating
- device main
- main switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/04—Handles; Handle mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/255—Switches
- B25D2250/261—Means for locking an operative switch on
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
- H01H21/10—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch
Definitions
- the invention relates to a device main switch according to the preamble of the independent claim.
- This device main switch for electric machine tools, especially electric hand tools, in special dimensions for drilling, chisel and / or combi hammers.
- This device main switch have an electrical switch element with a cuboid switch housing. In its largest dimension, this switch housing has a longitudinal extent. For this longitudinal extension of the switch housing designed as a switching button actuator is provided which has an actuating direction which is oriented substantially perpendicular to the longitudinal extent of the switch housing.
- the main device switch is typically arranged in a main handle. Above the switching knob of the electrical switch element while a pawl is arranged, which protrudes from the main handle. The operator can now move by a pressure in a first direction of actuation of the pawl, the switch button along its actuation direction such that arranged in the interior of the switch housing contact elements of the electrical switch element for closing a circuit to the system.
- the circuit essentially connects a power supply to an electric drive unit of the machine tool.
- the known electrical switch elements with sufficient electrical switching currents in particular for drilling, chisel and / or combi hammers have due to the transversely oriented to the longitudinal direction of actuation direction of the actuating element for the ergonomic design of the main handle to large space requirement.
- the main hand grips usually have too large handle sizes, in particular if large material wall thicknesses and in particular additional stiffening ribs have to be realized for stiffening the handle structure.
- a device main switch for a Elektrokombihammer which has a switching rocker instead of the pawl, which is arranged to actuate the electrical switch element on the main handle.
- This device main switch further has a locking device, in which the rocker switch can be reversibly locked during a safer for the operator mode.
- the operator is advantageously relieved because he has to operate the combi hammer in this first, safer mode of operation does not have to constantly keep the rocker switch pressed.
- the drive unit is to be deactivated in this operating mode, the operator presses a second actuating surface, which is provided on the rocker switch, so that the rocker switch returns to its first switching position.
- Such a function requires a construction of the outer switching element as a rocker switch and is therefore not possible in the known device main switches with electrical switch elements which have an actuating direction along its longitudinal extent.
- the device main switch according to the invention with the features of claim 1 has the advantage of requiring a low despite high electrical switching power installation space.
- a rocker switch with a first actuating direction allows ergonomic operation of the machine tool.
- the rocker switch has at least two switching positions. If the electrical switch element has a movable actuating element with a second actuating direction, which extends along a longitudinal extension of a switch housing of the electrical switch element, the longitudinal extent being oriented at an angle, in particular perpendicular to the first actuating direction of the rocker switch, then high switching powers of the device main switch according to the invention can occur smallest space can be achieved.
- the electrical switch element of the device main switch according to the invention can be designed as a cost-effective, compact and at the same time powerful slide switch.
- the electrical switch element of the device main switch according to the invention on a jumping contact system.
- a contact system is in particular a system of electrical Contact elements understood in the interior of the switch element, which can be closed or opened by the movable actuator for closing or interrupting a circuit either.
- a "jumping contact system” is understood to mean, in particular, a contact system which has two movement-stable switching positions, wherein a “movement-stable switching position” is understood to mean, in particular, a switching position of the contacts in which the contacts are clearly closed or unambiguously opened.
- the contacts have a clearly bi-stable, switching between the two switching positions switching behavior.
- a contact operation takes place in the direction of the second actuating direction.
- the movable actuating element is designed as a push or pull rod, a particularly cost-effective embodiment of the device main switch according to the invention can be achieved.
- a deflection device is further provided, which deflects an actuation of the switching rocker between the at least two switching positions along the first actuating direction into an actuation of the movable actuating element along the second actuating direction.
- the deflection device has at least one lever.
- the deflection device may comprise at least one pressure, tension, spring and / or rope element.
- a compact embodiment of the device main switch according to the invention is achieved in that the deflection device is arranged on the switch housing.
- a locking device with is provided a movable locking element. With this locking element, the switching rocker can be locked in at least one of its switching positions.
- the movable locking means has two end positions. Furthermore, a fixing means is provided by which the movable locking element can be fixed in at least one of the two end positions.
- the locking device has an adjusting means with which the locking device can be switched between an activated and a deactivated state.
- a particularly compact embodiment of the device main switch according to the invention is given by the fact that the locking device is arranged on the switch housing.
- a particularly user-friendly embodiment of the device main switch according to the invention is achieved in that the switching rocker has two actuating surfaces.
- the two actuating surfaces are arranged substantially on both sides of a rocker bearing axis.
- an electric hand tool in particular a drill and / or chisel and / or combination hammer is equipped with a device main switch according to the invention.
- the electric hand tool has a machine housing, a drive unit accommodated in the machine housing for driving a tool, and a main handle connected to the machine housing.
- the inventive Main device switch is arranged on the main handle and serves to commission the drive unit.
- the electrical switch element serves to produce or interrupt an electrical connection in a circuit between a power supply of the electric hand tool and the drive unit.
- the power supply can in particular be a mains supply and / or a battery supply and / or a battery supply and / or a fuel cell unit.
- an advantageous embodiment of an electric hand tool with a device main switch according to the invention is achieved in that the longitudinal extension of the switch housing of the electrical switch element is substantially parallel, but at least at an angle less than 45 °, in particular less than 20 ° to a handle axis of the main handle.
- the electric hand tool with a device main switch has an operating mode switching device with a mode switch.
- the operating mode switching device serves for switching between a first operating mode and at least one second operating mode of the drive unit.
- the locking device of the device main switch is in the first mode in a deactivated state, while in the second mode is in the activated state.
- the drive unit has a rotary drive device and an axial drive device for driving the tool.
- the operating mode switching device can be switched at least between a combined rotary axial drive as the first mode and a pure axial drive as the second mode.
- the locking device located in the activated state of the device main switch according to the invention, the rocker can now be locked in its second switching position in the second mode - the pure axial drive of the tool.
- a particularly convenient further development results from a coupling of the adjusting means of the locking device with the mode switch.
- a switchover between a deactivated state and an activated state of the locking device can take place automatically when the mode switch is actuated.
- the electrical switch element comprises a switch housing, which has a longitudinal extension, and an actuating device with a movable actuating element, wherein the movable actuating element has an actuating direction parallel to this longitudinal extent.
- the electrical switch element is designed as an electric slide switch.
- Figure Ia is a schematic side view of a rotary hammer as
- Figure Ib is a sectional view through the main handle of the
- Figure 2a is a schematic, side sectional view of a first
- FIG. 2b shows a schematic side view of the rear side of the first exemplary embodiment from FIG. 2a
- FIG. 4 shows a second exemplary embodiment of a device main switch according to the invention
- Figure 5 shows a third embodiment of an inventive
- Figure 7 shows a fifth embodiment of an inventive
- FIG. 8 shows a sixth embodiment of an apparatus main switch according to the invention.
- Figure Ia shows a schematic side view of a hammer drill 10 as an example of an electric machine tool, in particular an electric hand tool.
- the hammer drill 10 in this case has a machine housing 12, at whose one end region 14 a main handle 16 is arranged.
- a tool holder 20 is provided on the machine housing 12.
- the tool holder 20 serves to receive, in particular the exchangeable receptacle of a tool 22.
- the recorded in the tool holder 20 tool 22 defines a tool axis 24 by a longitudinal extent.
- the main handle 16 has a handle portion 26 for guiding the hammer drill 10 by an operator.
- the handle region 26 extends along a handle axis 28.
- This handle axis 28 encloses an angle WG with the tool axis 24, WG lying between 45 ° and 90 °, in particular running almost vertically.
- a cable connection unit 29 of a power supply 31 of the hammer drill 10 is provided in a lower end region 16a of the main handle 16.
- an auxiliary handle 30 is further provided on the embodiment variant of a hammer drill 10 shown here.
- the auxiliary handle 30 is releasably and / or pivotally fixed to the machine housing 12.
- a drive unit 34 is received in a main region 32 of the machine housing 12.
- the drive unit 34 is shown in phantom.
- the drive unit 34 has a drive motor 36, in particular an electric motor 38.
- the drive unit 34 has a rotary drive device 40 and / or an axial drive device 42.
- the rotary drive device 40 serves for the rotary drive of the tool 22 received in the tool holder.
- the axial drive device 42 converts a rotational movement of the electric motor 38 into an oscillating axial movement. This serves to drive a hammer mechanism 44, in particular an air cushion impact mechanism 46 of the hammer drill 10, which drives the tool 22 striking.
- the axial drive device 42 is referred to in this context as a percussion drive 48.
- a device main switch 50 is arranged, of which only one switching rocker 52 can be seen in FIG.
- the switching rocker 52 protrudes through an end opening in the main handle 16, not shown here.
- the rocker switch 52 is shown in a first switching position. In this first switching position, a circuit, not shown here, which connects the electric motor 38 substantially with the power supply 29, interrupted, so that the tool 22 undergoes no drive in this switching position. If the rocker switch 52 is pressed in the direction of the first actuating direction 54 by an operator, the rocker switch 52 changes to a second switching position. In the second switching position, the circuit is closed.
- FIG. 1b shows a partial section through the main handle 16 of the hammer drill 10 from FIG. 1a.
- the main device switch 50 has, in addition to the rocker switch 52, an electrical switch element 56.
- the inventive Device main switch 50 a deflection device 58 and a locking device 60 with a movable locking member 61st
- FIG. 2a shows the first embodiment of an apparatus main switch 50 according to the invention in a schematic partial section.
- the electrical switch element 56 has a switch housing 62, wherein the switch housing 62 preferably has a nearly cuboid shape.
- the switch housing 62 is characterized in particular by a longitudinal extent 64.
- the longitudinal extension 64 is arranged substantially parallel to the handle axis 28.
- deviating orientations of the longitudinal extension 64 from the handle axis 28 are also conceivable, wherein preferably the handle axis 28 and the longitudinal extent 64 enclose an angle smaller than 45 °, in particular smaller than 20 °.
- the switch housing 62 protrudes a movable actuator 66 of an actuator 68 out.
- the movable actuating element 66 is in this case arranged in the switch housing 62, in particular guided, so that it has a second actuating direction 70, which is oriented parallel to the longitudinal extent 64.
- the movable actuator is designed as a push rod 72.
- the push rod 72 has at least two switching positions. In a first switching position of the push rod 72, the electrical contact elements of a contact system, which are arranged in the interior of the switch housing 63 and are not shown here in detail, not in contact with each other, so that the circuit between the power supply and the drive unit is interrupted. In a second switch position, the electrical contact elements are in contact, so that this circuit is closed.
- the push rod 72 is displaced along the second actuating direction 70.
- the contact system is during the operation of the push rod 72 while in its first switching position in which the circuit is interrupted until the push rod 72 exceeds an axial switching point along the second actuating direction 70. When this switching point is exceeded, the contact system jumps to its second switching position. In this Switching position are now the electrical contact elements in contact and the circuit is closed. It is spoken here by a jumping contact system.
- a contact actuation in the direction of the second actuating direction 70 erfogt.
- a deflection lever 76 of the deflection device 58 is arranged between an end portion 74 of the push rod 72, which protrudes from the switch housing 62, and the rocker switch 52.
- the reversing lever 76 has a switch housing 62 stationary pivot bearing 78.
- the rotary bearing 78 is preferably arranged on a carrier unit 80 connected to the switch housing 62.
- the lever 76 is designed as an angle lever 82.
- the angle lever 82 rests with a first leg 82a in the pivot bearing 78, while the second leg 82b is operatively connected in the end region 74 with the push rod 72.
- the switching rocker 52 has a driving pin 84 in an area facing the deflection device.
- the driving pin 84 includes a mandrel 86 which engages in a slot 88 which is provided in the apex portion 82c of the angle lever 82.
- the rocker switch 52 has a first actuating surface 90 and a second actuating surface 92.
- the first actuating surface 90 limits a first actuating region 94, while the second actuating surface 92 limits a second actuating region 96.
- the first actuating region 94 and the second actuating region 96 of the switching rocker 52 are spatially separated by a central region 98.
- a rotation axis 100 is provided, which extends transversely to a longitudinal extent of the switching rocker 52.
- the axis of rotation 100 forms the rocker bearing axis 102 of the rocker switch 52.
- the rocker switch 52 is limited pivotally mounted in the rocker bearing axis 102 in the switch housing 62.
- the switch housing 62 has a closure lid 104.
- the rocker bearing axis 102 is rotatably received in a bearing bore 106 of the closure lid 104.
- the switching rocker be embedded in a designated storage in the main handle 16.
- the carrier unit 80 is likewise preferably arranged on the closure lid 104, preferably in one piece with the closure lid 104.
- the locking device 60 has a pivotable locking lever 108 as a movable locking member 61, as best seen in Figure 2b.
- the pivotable locking lever 108 is connected via a pivot bearing 110 with the carrier unit 80.
- the pivotable locking lever 108 is designed pivotable between two end positions.
- the first end position is designed as a rear end position and second end position as a front end position.
- the position information "rear" or "front” is understood with respect to a direction perpendicular to the second actuating direction 70, in the plane of the figure 2a direction.
- the locking lever 108 has on a, the switching rocker 52 side facing a locking pawl 112.
- the switching rocker 52 at one, the pivotable locking lever 108 facing the upper end portion of the first actuating portion 94 a locking roller 114 which is rotatably connected to a roller bearing 115 with the rocker switch 52.
- the locking roller 114 is arranged so that it can come into superposition with the locking pawl 112 in the second switching position of the rocker switch 52.
- the pivotable locking lever 108 has in an upper end region on a receiving point 116 for an adjusting means 118, not shown here.
- the adjusting means 118 serves to trigger a pivoting movement of the pivotable locking lever 108, in particular between a first and a second end position.
- these end positions can preferably be realized by corresponding abutment surfaces, not shown here, on the carrier unit 80 and / or other housing parts.
- the locking device 60 further has a fixing means 122 designed as a helical spring 120.
- the coil spring 120 is connected at one end to the pivotable locking lever 108, and fixed with its other end to the carrier unit 80.
- the helical spring 120 has at its end regions
- Locking lever 108 and engage on the support unit 80.
- deviating fixtures for the fixing means 120, 122 are also conceivable.
- Coil spring 122 is biased such that it fixes the pivotable locking lever 108 in at least one of its end positions with a fixing force.
- FIG. 3a shows the switching rocker 52 of the device main switch 50 according to the invention in its first switching position.
- the movable locking lever 108 is in a rear end position, which corresponds to a deactivated state of the locking device 60. If an operator exerts a pressure along the first actuating direction 54 on the first actuating surface 90, the switching rocker 52 pivots in a pivoting movement about the rocker bearing axis 102 from its first switching position to the second switching position.
- the bell crank 82 of the deflector 58 transmits the movement in turn to the movable actuator 66 of the actuator 68.
- the movable actuator 66 along the second operating direction 70 from its first switching position in a shifted second shift position.
- the circuit between power supply 31 and drive unit 34 is closed, so that the drive motor 36 is activated.
- the movable locking lever 108 is shown in its second, front end position. In this end position, the locking device 60 is set in an activated state. Is moved by an actuation of the rocker switch 52 along the first operating direction 54 from its first switching position to its second switching position, as described in the preceding paragraph, the locking roller 114 moves on a path tangent to the locking pawl 112 of the activated locking device 60.
- the locking lever 108 is pivotally limited. In this case, the locking lever 108 is held by the fixing means 122 in the second end position.
- the locking roller 114 By actuating the second actuating surface 92, the locking roller 114 exerts a force directed counter to the first actuating direction 54. If this force exceeds the fixing force of the fixing means 122, the locking pawl 112 deviates in such a way that the switching rocker 52 can return from its second switching position to its first switching position. This process is shown in FIG. 3d.
- FIG. 4 shows a second exemplary embodiment of the device main switch 50 according to the invention.
- the same or identically acting features are given the same reference numerals as in the first embodiment.
- the deflection device 58 has also in the second embodiment, a deflection lever 76 which is designed as an angle lever 82.
- the rotary bearing 78 is arranged counter to the first embodiment in the region of the angle vertex 82c.
- the pivot bearing 78 is arranged on the carrier unit 80.
- In the end region of the first angle leg 82a of the angle lever 82 is connected to a driving pin 84 of the rocker switch 52.
- the driving pin 84 is arranged in the upper, the locking device 60 facing end portion of the first actuating portion 94 of the rocker switch 52.
- the end region of the second angle leg 82b is connected to the movable actuating element 66 of the electrical switching element 56 designed as a pull rod 124.
- the switching rocker 52 experiences a compressive force in the direction of the first actuating direction 54 on the first actuating surface 90, then the first angle leg becomes 82 a pivoted about the pivot bearing 78 in the direction of the locking device 60.
- the second angle leg 82b carries out a movement which runs essentially parallel to the handle axis 28.
- This direction of movement represents the second operating direction 70 of the device main switch according to the invention according to the second embodiment, and is contrary to the first embodiment oriented in the opposite direction.
- the electric switch element 56 is not actuated in this case as a slide switch but as a pull switch.
- the second switching position of the electrical switch element is characterized by the pull rod 124 pulled out. Otherwise, the second embodiment with respect to the electrical switching property is similar to the already known first embodiment of Figures 1 to 3, to the description of which reference is made at this point.
- the locking device 60 of the second embodiment of Figure 4 is characterized in that the locking pawl 112 and the adjusting means 118 are realized by one and the same movable member. Both parts are designed as a locking lever 108.
- the fixing means 122 is designed as a leaf spring 126 in the present example.
- the leaf spring 126 is arranged between the locking roller 114 and a fastening receptacle 128.
- the locking lever 108 is designed to be pivotable at one end on a pivot bearing point, not shown here, arranged on the rear side of the carrier unit 80.
- the leaf spring 126 fixes the locking lever 108 in its first and / or in its second end position.
- the first end position is characterized in that during a switching movement of the rocker switch 52, a, provided on this fixing surface 130 can not come into coincidence with the locking roller 114.
- the locking device 60 is thus in the first end position in the deactivated state.
- the locking roller 114 is positioned such that the fixing surface 130 of the switching rocker 52 comes to rest in the switching movement of the first to the second switching position of the rocker switch 52 behind the locking roller 114.
- the rocker switch 52 is then locked in its second switching position.
- the already known device main switch 50 according to the first embodiment to the description of which reference is made at this point.
- FIG. 5 shows a third exemplary embodiment of a device main switch 50 according to the invention.
- the deflection lever 76 is designed and arranged in a similar manner as already shown in FIG. 4 in the second exemplary embodiment.
- a driving lever 132 is disposed between the switching rocker 52 and the first angle leg 82a. This connects the first grip portion 94 of the rocker switch 52 and the first angle leg 82a in a manner similar to the mandrel 86 of the first two embodiments.
- a compressive force in the direction of the first actuating direction 54 causes actuation of the movable actuating element 66 in a pulling direction, so that here too the movable actuating element 66 is designed as a pull rod 124.
- the locking device 60 comprises in the present third embodiment, in addition to the leaf spring 126 as a fixing means 122, a coil spring 120 which fixes the locking lever 108 in at least one of the two end positions.
- the end portion of the angle leg 82a of the angle lever 82 is designed in the present embodiment as a locking mandrel 134.
- the third embodiment of the device main switch 50 according to the invention corresponds to the already known device main switch 50 according to the preceding embodiments, to the description of which reference is made at this point.
- FIG. 6 shows a fourth exemplary embodiment of a device main switch 50 according to the invention.
- the deflection device 58 is executed in this case in an analogous manner to the third embodiment, so reference is made at this point to the description there.
- the locking device 60 of the fourth embodiment has a form spring 136, which is accommodated on a housing-fixed holder 138.
- the holder 138 is arranged limited pivotable about a pivot bearing 140 in the housing of the main handle 16.
- a hook-like receiving piece 142 is provided in an upper end region of the first actuating region 94 of the switching rocker 52.
- the locking roller 114 is arranged on the side facing the locking device 60.
- the form spring 136 has a hook-shaped formation 144 on its end 136a facing the locking roller 114.
- the holder 138 has two switching positions, which correspond to the already known end positions of the locking device 60. In a first switching position of the holder 138, the end 136 a of the form spring 136 is pivoted back relative to the handle axis 28. In this position of the holder 138, the hook-shaped formation 144 and the locking roller 114 do not come into contact with one another during a switching movement of the switching rocker 52.
- the form of leaf spring 136 is deformed such that the hook-shaped formation 144 along the handle axis 28 in the direction of the deflection 58 is swung.
- the locking roller 114 and the hook-shaped formation 144 come in a switching movement of the rocker switch 52 from its first switching position to its second switching position in such coverage that the locking roller 114 in the second switching position of the rocker switch 52 behind the hook-shaped formation 144 comes to rest.
- the hook-shaped formation 144 prevents in this way a pivoting back of the rocker switch from the second switching position to its first switching position.
- the exemplary embodiment in FIG. 7 combines the deflection device 58 known from FIG. 4 with a new variant of a locking device 60.
- the deflection device 58 reference is made to the description of the embodiment according to FIG.
- the locking device 60 comprises a locking lever 108 which is arranged pivotably on the carrier unit 80 and a locking element 146 which is arranged substantially perpendicular to this locking lever 108.
- a switching latch 148 is integrally formed on the pull rod 124 of the electrical switching element 56.
- the locking lever 108 is shown in Figure 7 in its first end position. If it is pivoted into its second end position, the locking element 146 comes to rest above the switching latch 148. In this way, prevents the locking member 146 that the pull rod 128 can return from its second switching position to its first switching position.
- the locking lever 108 is preferably biased so that only by actuation of the second actuating surface 92 of the rocker switch 52 with sufficient pressure force of the locking lever 108 pivots back into its first switching position, whereby the rocker switch 52 can return to its first switching position and the circuit between power supply 31st and drive unit 34 is interrupted again.
- This embodiment therefore corresponds in its operation to the already known embodiments of an apparatus main switch 50 according to the invention, to the description of which reference is made.
- FIG. 8 The illustrated in Figure 8 sixth embodiment of a device main switch 50 according to the invention combines the deflection device 58 known from Figure 5 and Figure 6 with a locking device 60, as is known from Figure 4.
- the corresponding description is made at this point.
- the operation of this embodiment therefore corresponds to the embodiments already described, to the description of which reference is made at this point.
- the main device switch 50 according to the invention is used in a hammer drill 10, as shown in FIG. 1a.
- the hammer drill of Figure Ia has an operating mode switch 150 arranged on the machine housing 12. About the mode switch 150, a user of the hammer drill 10, the only shown in Figure Ia shown operating mode switching device 152 make.
- the operating mode switching device 152 serves in particular for the selective or combined activation of the rotary drive device 40 and / or the axial drive device 42. In particular, it is possible to select between at least two of the following operating modes via the operating mode switch 150: drilling, percussion drilling and / or chiseling.
- the adjusting means 118 of the locking device 60 with the mode switch 150 operatively connected so that in at least one of the modes, the locking device 60 is set in a deactivated state and in at least one other mode in an activated state.
- the adjusting means 118 is designed so that an actuation of the mode switch 150, the movable locking lever 108 between its first end position, which corresponds to the deactivated state and its second end position, which corresponds to the activated state of the locking device 60, can move, in particular automatically move.
- the locking device 60 is set in an operating mode "chiseling" in an activated state, while remaining in a drilling or Schlagbohr memorisart in a deactivated state.
- the deflecting device 58 may comprise, in addition to lever elements, also tension, cable pull, spring and / or other mechanical elements.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008041511A DE102008041511A1 (de) | 2008-08-25 | 2008-08-25 | Gerätehauptschalter für elektrische Werkzeugmaschinen, insbesondere Elektrohandwerkzeuge, und ein Elektrohandwerkzeug |
PCT/EP2009/058559 WO2010023013A1 (de) | 2008-08-25 | 2009-07-07 | Gerätehauptschalter für elektrische werkzeugmaschinen, insbesondere elektrohandwerkzeuge, und ein elektrohandwerkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2329509A1 true EP2329509A1 (de) | 2011-06-08 |
EP2329509B1 EP2329509B1 (de) | 2013-09-11 |
Family
ID=41076673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09780221.9A Not-in-force EP2329509B1 (de) | 2008-08-25 | 2009-07-07 | Gerätehauptschalter für elektrische werkzeugmaschinen, insbesondere elektrohandwerkzeuge, und ein elektrohandwerkzeug |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2329509B1 (de) |
DE (1) | DE102008041511A1 (de) |
WO (1) | WO2010023013A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010038750A1 (de) | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Elektrowerkzeugmaschine mit arretierbarer Schaltwippe |
DE202010014879U1 (de) * | 2010-10-29 | 2012-01-30 | Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg | Handgeführtes Presswerkzeug |
DE102010063962A1 (de) | 2010-12-22 | 2012-06-28 | Robert Bosch Gmbh | Arretierbarer elektrischer Schalter |
CN106076462A (zh) * | 2016-08-15 | 2016-11-09 | 温州市朴红农业科技有限公司 | 一种冲击锤 |
EP3581337A1 (de) | 2018-06-11 | 2019-12-18 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
EP3593951A1 (de) | 2018-07-11 | 2020-01-15 | Hilti Aktiengesellschaft | Handwerkzeugmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1120543B (de) * | 1960-03-30 | 1961-12-28 | Bosch Gmbh Robert | Betaetigungsvorrichtung fuer elektrische Einbaugeraeteschalter mit verrastbarem Drueckerhebel |
DE3512665C2 (de) * | 1985-04-06 | 1994-06-01 | Marquardt Gmbh | Elektrischer Schalter |
DE10034768A1 (de) | 2000-07-18 | 2002-02-07 | Bosch Gmbh Robert | Elektrokombihammer |
DE10254275B4 (de) * | 2001-11-21 | 2019-11-21 | Marquardt Gmbh | Elektrischer Schalter |
US6812425B1 (en) * | 2003-11-24 | 2004-11-02 | Defond Components Limited | Locking trigger switch mechanism |
DE102005021731A1 (de) * | 2005-05-11 | 2006-11-16 | Robert Bosch Gmbh | Elektrowerkzeugmaschine |
-
2008
- 2008-08-25 DE DE102008041511A patent/DE102008041511A1/de not_active Withdrawn
-
2009
- 2009-07-07 EP EP09780221.9A patent/EP2329509B1/de not_active Not-in-force
- 2009-07-07 WO PCT/EP2009/058559 patent/WO2010023013A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010023013A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010023013A1 (de) | 2010-03-04 |
EP2329509B1 (de) | 2013-09-11 |
DE102008041511A1 (de) | 2010-03-04 |
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