Hand-guided machining systems, hand-guided machining tools and attached parts

Abstract

The present invention relates to a hand-guided processing system, a hand-guided processing tool and an attachment part, and in particular to a hand-guided processing system, the processing system comprising: a hand-guided processing tool and at least one attachment part; the processing tool having a movable processing part and an electric drive motor system for moving the processing part, the electric drive motor system having at least one electrical line with at least one interruption; and the at least one attachment part having a contact bridge; and the processing tool and the at least one attachment part are constructed so as to spatially set the attachment part from a dangerous position to a safe position different from the dangerous position at the processing tool, so that due to the attachment part being in the dangerous position, the at least one contact bridge does not electrically bridge the at least one interruption, and by setting the at least one attachment part in the safe position, the at least one contact bridge (8a‑d) electrically bridges the at least one interruption.

Description

Technical Field

[0001] The present invention relates to a hand-guided machining system, a hand-guided machining device for a hand-guided machining system, in particular a hand-guided machining device for such a hand-guided machining system, and an attachment component for a hand-guided machining system, in particular a hand-guided machining system. Summary of the Invention

[0002] The object of the present invention is to provide a hand-guided machining system, a hand-guided machining device for a hand-guided machining system and / or an attachment component for a hand-guided machining system, which have improved properties, in particular respectively have improved properties, in particular are safer and more user-friendly for the user.

[0003] The invention achieves this object by providing a hand-guided machining system having the features described below, a hand-guided machining tool having the features described below, and / or an attachment component having the features described below.

[0004] The hand-guided machining system according to the present invention includes or comprises a hand-guided machining tool and at least one attachment component. The machining tool includes or comprises a movable, in particular rotatable, machining component and an electric drive motor system for moving or driving the machining component. The electric drive motor system includes or comprises at least one electrical line with at least one interruption. The at least one attachment component includes or comprises a contact bridge, in particular, each includes or comprises a contact bridge. The processing tool and the at least one attachment component are constructed or configured in such a way that the at least one attachment component (in particular the at least one attachment component with a corresponding contact bridge) is spatially arranged (Anordnung, sometimes referred to as arrangement) at the processing tool from a dangerous position, in particular the corresponding dangerous position, to a safe position different from the dangerous position, in particular the corresponding safe position, so that due to the at least one attachment component being in the dangerous position or based on the at least one attachment component being in the dangerous position, the at least one contact bridge does not electrically bridge the at least one interruption, in particular the corresponding interruption, and by setting the at least one attachment component in the safe position or due to the at least one attachment component being set in the safe position, in particular from the dangerous position to the safe position, in particular automatically from the dangerous position to the safe position, the at least one contact bridge electrically bridges, in particular directly electrically bridges, the at least one interruption, in particular the corresponding interruption.

[0005] This makes it possible to avoid or prevent, in particular automatically avoid or prevent, a movement of the processing component by the electric drive system, in particular because the at least one contact bridge of the at least one attachment component in the hazardous position does not electrically bridge the at least one interruption. This ensures high user safety.

[0006] In addition, in particular by arranging the at least one attachment component in the safety position so that the at least one contact bridge electrically bridges the at least one interruption, it is possible for the electric drive motor system to be designed to move the processing component, in particular to be designed to move the processing component automatically, thereby achieving high user-friendliness.

[0007] In particular, the at least one contact bridge can, in the event of a fault, not electrically bridge the at least one interruption. This prevents movement of the processing component by the electric drive system and thus provides particularly high user safety. This is in particular in contrast to a switch that, in the event of a fault, could allow movement of the processing component by the electric drive system.

[0008] In particular, due to the at least one attachment component in the hazardous position, the processing component can be accessible to a user, in particular a hand or at least one finger of the user, and by arranging the at least one attachment component in the safe position, the processing component can be less accessible or inaccessible to the user.

[0009] The processing tool and the at least one attachment part can be configured in such a way that the at least one attachment part, in particular the at least one attachment part with the corresponding contact bridge, can be released from the safety position, in particular without tools and / or without destruction, so that by releasing the at least one attachment part from the safety position, in particular automatically, the at least one contact bridge cannot (in particular no longer) electrically bridge the at least one interruption, in particular does not (in particular no longer) bridge the at least one interruption.

[0010] The processing tool and the at least one attachment part can be designed to mechanically connect the processing tool and the at least one attachment part, in particular to mechanically connect them at least in the safety position.

[0011] The contact bridge can be mechanically connected to another part of the attachment part in such a way that the contact bridge cannot be detached from the other part of the attachment part, in particular by a user without tools and / or without destruction, in particular in addition to being able to detach the attachment part from the safety position.

[0012] A hand-guided processing system can be a handheld processing system and / or a hand-guided processing tool can be a handheld processing tool. Additionally or alternatively, a hand-guided, in particular handheld processing system and / or a hand-guided, in particular handheld processing tool can mean that the processing system and / or the processing tool can have a mass of a maximum of 50 kilograms (kg), in particular a maximum of 20 kg, in particular a maximum of 10 kg, in particular a maximum of 5 kg, and / or a minimum of 1 kg, in particular a minimum of 2 kg. Furthermore, additionally or alternatively, the processing system can be a garden, forest and / or construction processing system and / or the processing tool can be a garden, forest and / or construction processing tool.

[0013] In an extension of the present invention, the processing device includes or has a device housing. The processing part is (especially completely) spatially arranged in the device housing. The device housing has at least one access opening to the processing part. The at least one attachment part surrounds, in particular closes, the at least one access opening, in particular a corresponding access opening, in particular an access opening for a user, in particular a hand or at least a finger of a user, in a safe position (especially spatially). The at least one attachment part does not surround, in particular does not close, the at least one access opening, in particular a corresponding access opening, in particular an access opening for a user, in particular a hand or at least a finger of a user, in a hazardous position (especially spatially). This achieves that, due to the at least one attachment part being in the hazardous position, the processing part can be accessible to the user, and by arranging the at least one attachment part in the safe position, the processing part can be less accessible or inaccessible to the user. In particular, the at least one attachment part can or needs to close the at least one access opening in a gas-permeable or non-gastight manner in the safe position.

[0014] In an extension of the present invention, the processing device is a blasting device, a suction device and / or a crushing device, in particular a suction crushing device. Additionally or alternatively, the processing component includes or has a flow impeller and / or a knife wheel, in particular a knife-type flow impeller ( -und Messerrad, sometimes referred to as flow and knife impeller), in particular, the processing part is a flow impeller and / or a knife wheel, in particular a knife flow impeller; furthermore, additionally or alternatively, the at least one attached part comprises or has a blast line, in particular a blast line, a suction line, in particular a suction line, a collecting bag, in particular a breathable and / or user-impermeable collecting bag and / or a safety grille, in particular a breathable and / or user-impermeable safety grille.

[0015] In one embodiment of the present invention, the attachment component with the safety grille is securely mounted or fixed to the processing tool and is designed or configured to be spatially adjustable, in particular pivotable, between a hazardous position and a safe position. This reduces or even eliminates the risk of the safety grille being lost. Additionally or alternatively, this achieves high user-friendliness.

[0016] In one embodiment of the present invention, a processing system includes or has at least two attachment components: a processing tool, one attachment component with a safety grid in a hazardous position, and another attachment component configured or arranged to be positioned within the attachment component with the safety grid in a safe position. This allows for multifunctionality of the processing system, in particular the processing tool. In particular, the other attachment component can include a suction line.

[0017] In one embodiment of the present invention, the processing system includes or has at least two attachment components. The electric drive motor system has a circuit with at least two interrupters connected in series or in parallel. Each of the attachment components has a contact bridge, in particular corresponding contact bridges. This allows for simple and therefore cost-effective production of the processing system, in particular the processing tool.

[0018] In one embodiment of the present invention, the electric drive motor system includes or has a series contact element, in particular a one-piece series contact element. The series contact element includes or has two contact sections and a distance compensation section, in particular located spatially between the contact sections, for in particular direct and / or electrical contacting of the two contact bridges, and for compensating for tolerances in the distance between the contact bridges. This allows for a simple arrangement of the attachment component. In particular, the distance compensation section can be resilient or elastic.

[0019] In one embodiment of the present invention, the processing system includes or has at least two attachment components, in particular the at least two attachment components. The electric drive motor system has at least one circuit with at least two interruptions, in particular the at least two interruptions. The attachment components each have a contact bridge, in particular corresponding contact bridges. The processing tool and the attachment components are designed or configured to be positioned in respective safety positions along non-parallel, in particular orthogonal, positioning directions. This ensures a favorable flow path and / or material path in the processing tool.

[0020] In a further development of the present invention, the processing system includes or has at least two attachment components, in particular the at least two attachment components. The electric drive motor system has at least one circuit with at least two interruptions, in particular the at least two interruptions. The attachment components each have a contact bridge, in particular corresponding contact bridges. The processing tool and the attachment components define, in particular spatially, a sequence, in particular a temporal sequence, for setting into and / or releasing from the respective safety positions. This allows for a compact design and / or intuitive operation of the processing system, in particular the processing tool.

[0021] In one embodiment of the present invention, the electric drive motor system includes or has at least two, in particular one-piece, contact elements. The contact elements are designed or configured to, in particular, directly and / or electrically contact the at least one contact bridge and are designed or configured to be structurally identical. This allows for simple and therefore cost-effective production of the processing system, in particular the processing tool.

[0022] In a further development of the present invention, the electric drive motor system includes or has at least one contact element, in particular the at least one contact element and / or a series contact element, in particular the series contact element. The contact element and / or the series contact element is designed or configured, in particular for respectively making direct and / or electrical contact with the at least one contact bridge, and is mounted in a floating manner, in particular relative to a tool housing of a processing tool, in particular the tool housing. This allows tolerance compensation and / or reduces or even avoids the risk of wear.

[0023] In one embodiment of the invention, the contact bridge comprises or has a plug-in bridge, in particular the contact bridge is a plug-in bridge. This allows for simple installation and / or disconnection of the contact bridge.

[0024] In an extension of the present invention, the at least one line is a power line for guiding, in particular electrically guiding drive power, in particular electrical drive power and / or a control line for guiding, in particular electrically guiding control signals, in particular electrical control signals, in particular control currents and / or control voltages.

[0025] The hand-guided machining apparatus according to the present invention is constructed or configured for a hand-guided machining system, in particular the hand-guided machining system, as described above. The machining apparatus comprises a movable machining component, in particular the movable machining component, and an electric drive motor system, in particular the electric drive motor system, for moving the machining component. The electric drive motor system comprises at least one electrical circuit, in particular the at least one electrical circuit, with at least one interruption, in particular the at least one interruption. The machining apparatus is configured such that at least one attachment component, in particular the at least one attachment component, can be spatially moved from a hazardous position, in particular the hazardous position, to a safe position, in particular the safe position, different from the hazardous position, such that, due to the at least one attachment component being in the hazardous position, at least one contact bridge, in particular the at least one contact bridge, of the at least one attachment component does not electrically bridge the at least one interruption, and when the at least one attachment component is positioned in the safe position, the at least one contact bridge electrically bridges the at least one interruption. The machining apparatus achieves the same advantages as described above for the machining system. In particular, the machining apparatus can be configured as described above.

[0026] The attachment component according to the invention is constructed or configured for a hand-guided machining system, in particular the hand-guided machining system, as described above. The attachment component has a contact bridge, in particular the contact bridge. The attachment component is constructed so as to be spatially arranged at a hand-guided machining tool, in particular the hand-guided machining tool, from a hazardous position, in particular the hazardous position, to a safe position different from the hazardous position, in particular the safe position different from the hazardous position, so that due to the attachment component being in the hazardous position, the contact bridge does not electrically bridge the interruption in the electrical line of the electric drive motor system of the machining tool, in particular the electric drive motor system, and by arranging the attachment component in the safe position, the contact bridge electrically bridges the interruption. The attachment component achieves the same advantages as described above for the machining system. In particular, the attachment component can be constructed as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Further advantages and aspects of the invention are apparent from the claims and from the subsequent description of preferred exemplary embodiments of the invention, which are explained below with reference to the accompanying drawings.

[0028] Figure 1 A perspective view of a hand-guided machining system according to the invention with a hand-guided machining tool according to the invention and two attachment parts according to the invention with a blast line and a safety grille,

[0029] Figure 2 Show Figure 1 A perspective view of an electrical line with two interruptions of an electric drive motor system of a processing tool,

[0030] Figure 3 Show Figure 2 The lines and Figure 1 Perspective view of the two contact bridges of the attachment part,

[0031] Figure 4 Show Figure 2 The lines and Figure 1 Schematic circuit diagram of two contact bridges of the attached components,

[0032] Figure 5 Show Figure 1 A perspective view of a processing system with a processing tool and an attachment part according to the invention, the attachment part having a safety grid,

[0033] Figure 6 Show Figure 1 A perspective view of a processing system with a processing device and three attachment parts according to the invention, which have a safety grid, a suction line and a collecting bag,

[0034] Figure 7 Show Figure 6 Another perspective of the processing system,

[0035] Figure 8 Show Figure 6 Another perspective of the processing system,

[0036] Figure 9 Show Figure 6 A perspective view of a processing system with the attachment member having the collection bag detached, and

[0037] Figure 10 Show Figure 6 Perspective view of a processing system with the attached component with the suction line detached. DETAILED DESCRIPTION

[0038] Figures 1 to 10A hand-guided machining system 1 according to the invention is shown. The machining system 1 has a hand-guided machining tool 2 according to the invention and at least one attachment part 3a, 3b, 3c, 3d according to the invention. The machining tool 2 has a movable machining part 4 and an electric drive motor system 5 for moving the machining part 4. The electric drive motor system 5 has at least one electrical line 6 with at least one interruption 7a, 7b. The at least one attachment part 3a-d has contact bridges 8a, 8b, 8c, 8d. The machining tool 2 and the at least one attachment part 3a-d are constructed so that the at least one attachment part 3a-d is spatially arranged at the machining tool 2 from a hazardous position GES to a safe position SIS different from the hazardous position GES, so that due to the at least one attachment part 3a-d being in the hazardous position GES, the at least one contact bridge 8a-d does not electrically bridge the at least one interruption 7a-b, as Figure 2 、 5 and 10, and by placing the at least one attachment member 3a-d in the safety position SIS, the at least one contact bridge 8a-d electrically bridges the at least one interruption 7a-b, as shown in FIG. Figure 1 、 3 , 4 and 6 to 8.

[0039] The hand-guided machining tool 2 according to the present invention is configured for a hand-guided machining system 1. The machining tool 2 has a movable machining part 4 and an electric drive motor system 5 for moving the machining part 4. The electric drive motor system 5 has at least one electrical line 6 with at least one interruption 7a-b. The machining tool 2 is configured such that the at least one attachment part 3a-d can be spatially positioned on the machining tool 2 from a hazardous position GES to a safe position SIS different from the hazardous position GES, so that due to the at least one attachment part 3a-d being in the hazardous position GES, the at least one contact bridge 8a-d of the at least one attachment part 3a-d does not electrically bridge the at least one interruption 7a-b, and by positioning the at least one attachment part 3a-d in the safe position SIS, the at least one contact bridge 8a-d electrically bridges the at least one interruption 7a-b.

[0040] The attachment parts 3a-d according to the invention are designed for a hand-guided machining system 1. The attachment parts 3a-d have contact bridges 8a-d. The attachment parts 3a-d are designed to be spatially arranged on a hand-guided machining tool 2 from a hazardous position GES to a safe position SIS, which is different from the hazardous position GES, so that due to the attachment parts 3a-d being in the hazardous position GES, the contact bridges 8a-d do not electrically bridge the interruptions 7a-b in the electrical lines 6 of the electric drive motor system 5 of the machining tool 2, and by arranging the attachment parts 3a-d in the safe position SIS, the contact bridges 8a-d electrically bridge the interruptions 7a-b.

[0041] In the embodiment shown, the processing system 1 has four attachment parts 3a-d. In alternative embodiments, the processing system can have only one single attachment part, two attachment parts, three attachment parts or at least five attachment parts.

[0042] Furthermore, in the exemplary embodiment shown, the electric drive motor system 5 has only a single electrical line 6. In alternative exemplary embodiments, the electric drive motor system can have at least two electrical lines.

[0043] Furthermore, in the embodiment shown, the line 6 has two interruptions 7a-b. In alternative embodiments, the line can have only one single interruption or at least three interruptions.

[0044] Furthermore, in the embodiment shown, the processing device 2 has a device housing 9. The processing element 4 is spatially arranged in the device housing 9, as shown in FIG. Figure 4 and 5 . The device housing 9 has at least one access opening 10a, 10b to the processing element 4. The at least one attachment element 3a-d surrounds, in particular closes, the at least one access opening 10a-b in the safety position SIS. The at least one attachment element 3a-d does not surround, in particular does not close, the at least one access opening 10a-b in the danger position GES.

[0045] In the embodiment shown, the device housing 9 has two access openings 10a-b. In alternative embodiments, the device housing can have only one single access opening or at least three access openings.

[0046] In detail, the processing device 2 is a blast device 2' (such as Figure 1 ), a suction device 2 ″ and / or a comminution device 2 ″′, in particular a suction comminution device 2 ″ (as shown in Figure 6 and 7 ).

[0047] Additionally, the processing component 4 has a flow impeller 4' and / or a knife wheel 4", in particular a knife-type flow impeller 4'", in particular the processing component 4 is a flow impeller 4' and / or a knife wheel 4", in particular a knife-type flow impeller 4'", such as Figure 5 As shown in .

[0048] Furthermore, the at least one attachment part 3a - d additionally comprises a blower line 11b , in particular a blower tube, a suction line 11c , in particular a suction tube, a collecting bag 11d and / or a safety grille 11a .

[0049] In the exemplary embodiment shown, the processing device 2 can be used together with the safety grid 11a and the blower line 11b as a blower device 2 ′ and together with the suction line 11c and the collecting bag 11d as a suction device 2 ″, in particular a suction comminution device 2 ″″.

[0050] exist Figure 1 In the embodiment, the attachment part 3a with the safety grille 11a is arranged in the safety position SIS on the processing tool 2. By placing the attachment part 3a with the safety grille 11a in the safety position SIS, the contact bridge 8a electrically bridges the interruption 7a. In particular, the attachment part 3a with the safety grille 11a closes the access opening 10a in the safety position SIS.

[0051] In addition, Figure 1 In the embodiment, the attachment part 3b with the air blast line 11b is arranged in the safety position SIS on the processing tool 2. By placing the attachment part 3b with the air blast line 11b in the safety position SIS, the contact bridge 8b electrically bridges the interruption 7b. In particular, the attachment part 3b with the air blast line 11b surrounds the access opening 10b in the safety position SIS.

[0052] exist Figure 5 In the embodiment shown in FIG. 2 , none of the attachment components 3a-d are arranged in the safety position SIS on the processing tool 2. In other words, the at least one attachment component 3a-d is in the hazardous position GES. Because the at least one attachment component 3a-d is in the hazardous position GES, the at least one contact bridge 8a-d does not electrically bridge the at least one interruption 7a-b. In particular, the at least one attachment component 3a-d does not enclose, and in particular does not close, the at least one access opening 10a-b in the hazardous position GES.

[0053] exist Figures 5 to 10 In FIG. 1 , the attachment part 3a with the safety grille 11a is in the danger position GES. Because the attachment part 3a with the safety grille 11a is in the danger position GES, the contact bridge 8a does not electrically bridge the interruption 7a. In particular, the attachment part 3a with the safety grille 11a does not close the access opening 10a in the danger position GES.

[0054] In addition, Figures 6 to 9 In the embodiment, the attachment component 3c with the suction line 11c is arranged in the safety position SIS on the processing tool 2. By placing the attachment component 3c with the suction line 11c in the safety position SIS, the contact bridge 8c electrically bridges the interruption 7a. In particular, the attachment component 3c with the suction line 11c surrounds the access opening 10a in the safety position SIS.

[0055] In addition, Figures 6 to 8 In the embodiment, the attachment part 3d with the collection bag 11d is placed in the safety position SIS on the processing tool 2. By placing the attachment part 3d with the collection bag 11d in the safety position SIS, the contact bridge 8d electrically bridges the interruption 7b. In particular, the attachment part 3d with the collection bag 11d closes the access opening 10b in the safety position SIS.

[0056] exist Figure 9 In the embodiment, the attachment part 3d with the collecting bag 11d is not arranged in the safe position SIS on the processing tool 2, but is arranged toward the dangerous position GES. By arranging the attachment part 3d with the collecting bag 11d toward the dangerous position GES instead of in the safe position SIS, the contact bridge 8d does not electrically bridge the interruption 7b.

[0057] exist Figure 10 In the embodiment shown in FIG. 1 , the attachment part 3d with the collecting bag 11d is in the danger position GES. Because the attachment part 3d with the collecting bag 11d is in the danger position GES, the contact bridge 8d does not electrically bridge the interruption 7b. In particular, the attachment part 3d with the collecting bag 11d does not close the access opening 10b in the danger position GES.

[0058] In addition, Figure 10 In the embodiment, the attachment part 3c with the suction line 11c is not arranged in the safe position SIS on the processing tool 2, but is arranged in the direction of the hazardous position GES. Since the attachment part 3c with the suction line 11c is not arranged in the safe position SIS, but is arranged in the direction of the hazardous position GES, the contact bridge 8c does not electrically bridge the interruption 7a.

[0059] In detail, the attachment part 3 a having the safety grid 11 a is fixedly arranged on the processing tool 2 and is designed to be spatially adjustable, in particular pivotable, between a danger position GES and a safety position SIS.

[0060] The attachment part 3a with the safety grille 11a is Figure 1 In the spatial adjustment, in particular the pivoting into the safety position SIS, and in Figures 5 to 10 The device is spatially adjusted, in particular pivoted, into the hazardous position GES.

[0061] In particular, the processing system 1 has at least two attachment parts 3a - d, in particular the at least two attachment parts 3a - d each having a contact bridge 8a - d.

[0062] Additionally, the processing tool 2, one of the attachment parts 3a with the safety grid 11a in the hazardous position GES and another attachment part 3c, in particular an attachment part with a suction line 11c, are configured to arrange the other attachment part 3c in the safe position SIS of the attachment part 3a with the safety grid 11a.

[0063] The other attachment part 3c is Figures 6 to 9 The attachment part 3a is set into the safety position SIS with the safety grid 11a.

[0064] In the embodiment shown, the attachment part 3b-d with the blowing line 11b, the suction line 11c and the collecting bag 11d is not fixedly arranged on the processing tool 2 or is designed to be detachable from the processing tool 2, in particular detachable without tools and / or without destruction.

[0065] Furthermore, the electric drive motor system additionally comprises the line 6, in particular at least one line, which has at least two interruptions 7a-b, in particular the at least two interruptions, the interruptions being in particular connected in series, such as Figures 2 to 4 As shown in .

[0066] In detail, the electric drive motor system 5 has a series contact element 12 .

[0067] In addition, the series contact element 12 has two contact sections 12K for contacting the two contact bridges 8 a - d and a distance compensation section 12A located between the contact sections 12K for compensating for tolerances of the distance A8 between the contact bridges 8 a - d .

[0068] exist Figure 3 In the embodiment, one of the contact sections 12K is in contact with the contact bridge 8a, while the other contact section 12K is in contact with the contact bridge 8b.

[0069] Furthermore, the processing tool 2 and the attachment parts 3 a - d are designed to be arranged in mutually non-parallel, in particular orthogonal, arrangement directions ARac, ARbd into the respective safety position SIS.

[0070] In the embodiment shown, the processing tool 2 and the attached parts 3a, 3c having the safety grille 11a and the suction line 11c are constructed, in particular, arranged to be set in the safety position SIS, in particular, in a corresponding safety position, along a setting direction ARac, and the processing tool 2 and the attached parts 3b, 3d having the blowing line 11b and the collecting bag 11d are constructed, in particular, arranged to be set in the safety position SIS, in particular, in a corresponding safety position, along a setting direction ARbd.

[0071] Furthermore, the processing tool 2 and the attachment parts 3a-d additionally define a sequence for setting into and / or releasing from the respective safety position SIS, such as Figures 8 to 10 As shown in .

[0072] In the embodiment shown, the attachment parts 3a, 3c with the safety grille 11a or the suction line 11c are first set in the safety position SIS, in particular in the corresponding safety position, and finally detached from the safety position SIS, in particular from the corresponding safety position, and the attachment parts 3b, 3d with the blowing line 11b or the collecting bag 11d are first detached from the safety position SIS, in particular from the corresponding safety position, and finally set in the safety position SIS, in particular in the corresponding safety position.

[0073] In particular, the locking lever for the attachment part 3a, 3c with the safety grille 11a or the suction line 11c is covered by the attachment part 3b, 3d with the blowing line 11b or the collecting bag 11d arranged in the safety position SIS.

[0074] Furthermore, the electric drive motor system 5 has at least one contact element 13a, 13b, in particular at least two contact elements 13a-b. The at least one contact element 13a-b, in particular the contact elements 13a-b, is designed to contact the at least one contact bridge 8a-d.

[0075] Additionally, the contact elements 13 a - b are designed to be structurally identical.

[0076] In the embodiment shown, the electric drive motor system 5 has two contact elements 13a-b. In alternative embodiments, the electric drive motor system can have only one single contact element or at least three, in particular at least four, contact elements.

[0077] exist Figure 3 In the embodiment, one of the contact pieces 13a is in contact with the contact bridge 8a, while the other of the contact pieces 13b is in contact with the contact bridge 8b.

[0078] Furthermore, the contact pieces 13 a - b and / or the series contact piece 12 are mounted in a floating manner.

[0079] In particular, the processing tool 2, in particular the electric drive motor system 5, has an assembly aid for assembling the contacts 13a-b and / or the series contact 12. The assembly aid remains on, in particular in, the processing tool 2 after assembly.

[0080] Furthermore, the contact bridges 8a - d have plug-in bridges 14a - d , in particular the contact bridges 8a - d are plug-in bridges 14a - d .

[0081] In the exemplary embodiment shown, the plug-in bridge is a plug-in tongue bridge.

[0082] Furthermore, in the embodiment shown, the contact bridges 8a-d, in particular the corresponding contact bridges, are mechanically connected to another component of the attachment part 3a-d, in particular another component of the corresponding or associated attachment part (the other component being in the form of a safety grille 11a, an air blast line 11b, a suction line 11c and / or a collecting bag 11d) in such a way that the contact bridges 8a-d cannot be detached from the other component of the attachment part 3a-d by the user, in particular with the exception of the attachment part 3a-d being able to be detached from the safety position SIS, in particular from the corresponding safety position.

[0083] Furthermore, in the exemplary embodiment shown, the at least one line 6 is a control line 6 ′ for conducting a control signal STS.

[0084] In an alternative embodiment, the at least one line can be a power line for conducting drive power.

[0085] In the exemplary embodiment shown, if the contact bridges 8a-d, in particular two contact bridges, electrically bridge the interruptions 7a-b, in particular both interruptions, the control signal STS is transmitted or the electric drive motor system 5 is designed to move the processing element 4. Otherwise, in particular if at least one of the contact bridges 8a-d does not electrically bridge at least one interruption in the interruptions 7a-b, no control signal STS is transmitted or the electric drive motor system 5 is not designed to move the processing element 4, or movement of the processing element 5 by the electric drive system 5 is avoided or prevented.

[0086] As shown and clearly demonstrated by the embodiments described above, the present invention provides a hand-guided machining system, a hand-guided machining device for a hand-guided machining system and / or an attachment component for a hand-guided machining system, which have, in particular, respectively have improved properties, in particular are safer and more user-friendly for the user.

Claims

1. A hand-guided machining system (1), wherein: The processing system (1) comprises: - a hand-guided processing tool (2) and at least one attachment part (3a, 3b, 3c, 3d), -in, The hand-guided processing tool (2) has a movable processing part (4) and an electric drive motor system (5) for moving the processing part (4), wherein the electric drive motor system (5) has at least one electric line (6) with at least one interruption (7a, 7b), and - wherein the at least one attachment part (3a-d) has a contact bridge (8a, 8b, 8c, 8d), and wherein the hand-guided machining tool (2) and the at least one attachment part (3a-d) are designed so that the at least one attachment part (3a-d) is spatially arranged on the hand-guided machining tool (2) from a hazardous position (GES) to a safe position (SIS) different from the hazardous position (GES), i.e., such that - due to the at least one attachment part (3a-d) being in the hazardous position (GES), the at least one contact bridge (8a-d) does not electrically bridge the at least one interruption (7a-b), and - by arranging the at least one attachment part (3a-d) in the safety position (SIS), the at least one contact bridge (8a-d) electrically bridges the at least one interruption (7a-b), wherein the electric drive motor system (5) has at least one contact element (13a-b) and / or a series contact element (12), wherein the contact element (13a-b) and / or the series contact element (12) are designed for contacting the at least one contact bridge (8a-d) and are mounted in a floating manner relative to the housing of the hand-guided machining tool (2), wherein the contact bridges (8a-d) have plug-in bridges (14a-d).

2. The hand-guided machining system (1) according to claim 1, -in, The hand-guided processing tool (2) has a tool housing (9), wherein the processing element (4) is spatially arranged in the tool housing (9), and wherein the tool housing (9) has at least one access opening (10a, 10b) to the processing element (4), and - wherein the at least one attachment part (3a-d) surrounds the at least one access opening (10a-b) in the safe position (SIS), and wherein the at least one attachment part (3a-d) does not surround the at least one access opening (10a-b) in the hazardous position (GES).

3. The hand-guided machining system (1) according to any one of the preceding claims, -in, The hand-guided processing device (2) is a blowing device (2'), a suction device (2") and / or a crushing device (2'"), and / or - wherein the processing element (4) has a flow impeller (4') and / or a cutter wheel (4"), and / or - wherein the at least one attachment part (3a-d) comprises a blower line (11b), a suction line (11c), a collecting bag (11d) and / or a safety grille (11a).

4. The hand-guided machining system (1) according to claim 3, wherein the attachment part (3a) with the safety grid (11a) is fixedly arranged on the hand-guided processing tool (2) and is designed to be spatially adjustable between the hazardous position (GES) and the safe position (SIS).

5. The hand-guided machining system (1) according to claim 4, - wherein the processing system (1) has at least two attachment parts (3a-d), -in, The hand-guided processing tool (2), an attachment part (3a) with the safety grille (11a) in the dangerous position (GES) and another attachment part (3c) are configured to set the other attachment part (3c) in the safe position (SIS) of the attachment part (3a) with the safety grille (11a).

6. The hand-guided machining system (1) according to claim 1 or 2, - wherein the processing system (1) has at least two attachment parts (3a-d), -in, The electric drive motor system (5) has a circuit (6) with at least two series interruptions (7a-b), and - wherein the attachment parts (3a-d) each comprise the contact bridge (8a-d).

7. The hand-guided machining system (1) according to claim 6, - wherein the electric drive motor system (5) has a series contact element (12), wherein The series contact piece (12) has two contact sections (12K) for contacting the two contact bridges (8a-d) and a distance compensation section (12A) located between the contact sections (12K), the contact sections being used to contact the two contact bridges (8a-d), and the distance compensation section being used to compensate for a tolerance of a distance (A8) between the contact bridges (8a-d).

8. The hand-guided machining system (1) according to claim 1 or 2, -in, The processing system (1) has at least two attachment parts (3a-d), - wherein the electric drive motor system (5) has at least one line (6) with at least two interruptions (7a-b), and - wherein the attachment parts (3a-d) each have the contact bridge (8a-d), and wherein the hand-guided machining tool (2) and the attachment parts (3a-d) are designed to be arranged in mutually non-parallel arrangement directions (ARac, ARbd) into respective safety positions (SIS).

9. The hand-guided machining system (1) according to claim 1 or 2, -in, The processing system (1) has at least two attachment parts (3a-d), - wherein the electric drive motor system (5) has at least one line (6) with at least two interruptions (7a-b), and - wherein the attachment parts (3a-d) each have the contact bridge (8a-d), and wherein the hand-guided machining tool (2) and the attachment parts (3a-d) define a sequence (RF) for setting into a corresponding safety position (SIS) and / or for releasing from a corresponding safety position (SIS).

10. The hand-guided machining system (1) according to claim 1 or 2, -in, The electric drive motor system (5) has at least two contact elements (13a, 13b), wherein the contact elements (13a-b) are designed for contacting the at least one contact bridge (8a-d) and are designed to be structurally identical.

11. The hand-guided machining system (1) according to claim 1, - wherein the contact bridges (8a-d) are plug-in bridges (14a-d).

12. The hand-guided machining system (1) according to claim 1 or 2, -in, The at least one line (6) is a power line for conducting drive power and / or a control line (6') for conducting a control signal (STS).

13. The hand-guided machining system (1) according to claim 2, -in, The at least one attachment part (3a-d) closes the at least one access opening (10a-b) in the safety position (SIS).

14. The hand-guided machining system (1) according to claim 2, -in, The at least one attachment part (3a-d) does not close the at least one access opening (10a-b) in the hazardous location (GES).

15. The hand-guided machining system (1) according to claim 3, - wherein the comminution device (2'") is a suction comminution device (2"").

16. The hand-guided machining system (1) according to claim 3, - wherein the processing element (4) has a knife-type flow impeller (4'').

17. The hand-guided machining system (1) according to claim 3, - wherein the processing element is a flow impeller (4') and / or a cutter wheel (4").

18. The hand-guided machining system (1) according to claim 17, - wherein the processing element is a knife-type flow impeller (4'').

19. The hand-guided machining system (1) according to claim 3, -in, The blast pipe (11b) is a blast pipe.

20. The hand-guided machining system (1) according to claim 3, -in, The suction pipeline (11c) is a suction pipe.

21. The hand-guided machining system (1) according to claim 4, -in, The attachment part (3a) is designed to be pivotable spatially between the hazardous position (GES) and the safe position (SIS).

22. The hand-guided machining system (1) according to claim 8, -in, The hand-guided machining tool (2) and the attachment parts (3a-d) are designed to be arranged in mutually orthogonal arrangement directions (ARac, ARbd) into respective safety positions (SIS).

23. A hand-guided machining tool (2) for a hand-guided machining system (1) according to any one of the preceding claims, wherein The hand-guided processing tool (2) has: - a movable processing element (4) and an electric drive motor system (5) for moving the processing element (4), wherein the electric drive motor system (5) has at least one electric line (6) with at least one interruption (7a-b), and wherein the hand-guided processing tool (2) is designed so that at least one attachment part (3a-d) can be spatially arranged on the hand-guided processing tool (2) from a hazardous position (GES) into a safe position (SIS) different from the hazardous position (GES), i.e., such that - due to the at least one attachment part (3a-d) being in the hazardous position (GES), the at least one contact bridge (8a-d) of the at least one attachment part (3a-d) does not electrically bridge the at least one interruption (7a-b), and By arranging the at least one attachment part (3a-d) in the safety position (SIS), the at least one contact bridge (8a-d) electrically bridges the at least one interruption (7a-b).

24. Attachment component (3a-d) for a hand-guided machining system (1) according to any one of claims 1 to 22, wherein The attachment parts (3a-d) have: - contact bridges (8a-d), and wherein the attachment parts (3a-d) are designed to be spatially arranged on a hand-guided processing tool (2) from a hazardous position (GES) into a safe position (SIS) different from the hazardous position (GES), i.e., such that - due to the attachment part (3a-d) being in the hazardous position (GES), the contact bridge (8a-d) does not electrically bridge the interruption (7a-b) in the electrical line (6) of the electric drive motor system (5) of the hand-guided machining tool (2), and By placing the attachment part (3a-d) in the safety position (SIS), the contact bridge (8a-d) electrically bridges the interruption (7a-b).

Images