HAND-HELD MACHINING SYSTEM, HAND-HELD MACHINING DEVICE FOR A HAND-HELD MACHINING SYSTEM AND ATTACHMENT FOR A HAND-HELD MACHINING SYSTEM

Description

[0001] The invention relates to a hand-guided machining system, a hand-guided machining device for a hand-guided machining system, in particular such a hand-guided machining system, and an attachment for a hand-guided machining system, in particular such a hand-guided machining system.

[0002] US 2008 / 0127448 A1 discloses a handheld blower having a housing in which a drive motor is arranged, which drives a rotating impeller. The impeller draws in an air flow through an intake opening and discharges the air flow through an exhaust opening of the housing. The blower has at least one attachment that can be releasably connected to the housing in the region of one of the openings. The blower is provided with at least one switch that is activated when the attachment is secured to the opening, whereby the drive motor is only operational when the switch is activated.

[0003] JP 4635990 B2 discloses a safety device of an assembly machine.

[0004] US 5,711,048 A discloses a portable blower / vacuum cleaner.

[0005] CN 103774597 A discloses a blower. TASK AND SOLUTION

[0006] The object of the invention is to provide a hand-guided machining system, a hand-guided machining device for a hand-guided machining system and / or an attachment for a hand-guided machining system, which, in particular, has improved properties, in particular is safer and more user-friendly.

[0007] The invention solves this problem by providing a hand-guided processing system having the features of claim 1, a hand-guided processing device having the features of claim 14 and / or an attachment having the features of claim 15. Advantageous further developments and / or embodiments of the invention are described in the dependent claims.

[0008] The hand-guided machining system according to the invention comprises or has a hand-guided machining device and at least one attachment. The machining device comprises or has a movable, in particular rotationally movable, machining part and an electric drive motor system for moving or driving the machining part. The electric drive motor system comprises or has at least one electrical path with at least one interruption. The at least one attachment comprises or has, in particular each, a contact bridge. The machining device and the at least one attachment are designed or configured for the spatial arrangement of the at least one attachment, in particular with the respective contact bridge, from one, in particular respective, dangerous position to a, in particular respective, safe position on the machining device that is different from the dangerous position, in such a way that the at least one attachment orDue to the at least one attachment being in the hazardous position, the at least one contact bridge does not electrically bridge the at least one, in particular assigned, interruption, and due to the arrangement or due to the arrangement of the at least one attachment being in the safety position, in particular from the hazardous position to the safety position, in particular automatically, the at least one contact bridge electrically bridges the at least one, in particular assigned, interruption, in particular directly. The processing device is a blower, a suction device and / or a shredder, in particular a suction shredder.

[0009] This, in particular the fact that the at least one contact bridge does not electrically bridge the at least one interruption caused by the at least one attachment in the hazardous position, enables the electric drive system to avoid or prevent, in particular automatically, any movement of the machining part. This thus enables a high level of user safety.

[0010] Additionally, this enables, in particular because the at least one contact bridge electrically bridges the at least one interruption caused by the arrangement of the at least one attachment in the safety position, a particularly automatic design of the electric drive motor system for moving the machining part. This thus enables a high level of user-friendliness.

[0011] In particular, the at least one contact bridge can prevent the at least one contact bridge from electrically bridging the at least one interruption in the event of a fault. This can thus prevent movement of the machining part by the electric drive system, thus ensuring a particularly high level of user safety. This is particularly in contrast to a switch, which could potentially allow movement of the machining part by the electric drive system in the event of a fault.

[0012] In particular, the at least one attachment part in the danger position can make the processing part accessible to a user, in particular a hand or at least one finger of the user, and the arrangement of the at least one attachment part in the safety position can make the processing part more difficult or impossible for the user to access.

[0013] The processing device and the at least one attachment part can be designed for a, in particular tool-free and / or non-destructive, release of the at least one attachment part, in particular with the respective contact bridge, from the safety position in such a way that by releasing the at least one attachment part from the safety position, in particular automatically, the at least one contact bridge can no longer, in particular no longer, electrically bridge the at least one interruption.

[0014] The processing device and the at least one attachment part can be designed for the mechanical connection of the processing device and the at least one attachment part, in particular at least in the safety position.

[0015] The contact bridge can be mechanically connected to another part of the attachment in such a way that the contact bridge cannot be detached from the other part of the attachment by the user, in particular without the use of tools and / or without destruction, in particular in a manner other than the attachment could be detached from the safety position.

[0016] The hand-held processing system can be a hand-portable processing system and / or the hand-held processing device can be a hand-portable processing device. Additionally or alternatively, hand-held, in particular hand-carried, processing system and / or hand-held, in particular hand-carried, processing device can mean that the processing system and / or the processing device 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. Further additionally or alternatively, the processing system can be a gardening, forestry and / or construction processing system and / or the processing device can be a gardening, forestry and / or construction processing device.

[0017] In a further development of the invention, the processing device comprises or has a device housing. The processing part is spatially arranged, in particular completely, in the device housing. The device housing has or has at least one access opening to the processing part. The at least one attachment part in the safety position encloses, in particular closes, in particular spatially, the at least one, in particular assigned, access opening, in particular for the user, in particular the hand or at least the user's finger. The at least one attachment part in the danger position does not enclose, in particular close, in particular spatially, the at least one, in particular assigned, access opening, in particular for the user.This allows the processing part to be accessible to the user through the at least one attachment in the hazardous position, while the arrangement of the at least one attachment in the safety position makes the processing part more difficult or impossible for the user to access. In particular, the at least one attachment in the safety position can or does not need to close the at least one access opening in a gas-permeable or non-gas-tight manner.

[0018] In a further development of the invention, the processing part comprises or has a flow impeller and / or a blade wheel, in particular a flow impeller and blade wheel. In particular, the processing part is a flow impeller and / or a blade wheel, in particular a flow impeller and blade wheel. Furthermore, additionally or alternatively, the at least one attachment comprises or has a blow line, in particular a blow tube, a suction line, in particular a suction tube, a collecting bag, in particular one that is permeable to gases and / or not permeable to the user, and / or a safety grid, in particular one that is permeable to gases and / or not permeable to the user.

[0019] In one embodiment of the invention, the attachment comprising the safety grid is fixedly arranged or attached to the processing device and designed or configured for spatial adjustment, in particular pivoting, between the danger position and the safety position. This makes it possible to reduce or even eliminate the risk of losing the safety grid. Additionally or alternatively, this enables a high level of user-friendliness.

[0020] In one embodiment of the invention, the processing system comprises or has at least two attachments. The processing device, one of the attachments having the safety grid in the danger position, and another of the attachments are designed or configured to arrange the other attachment in the safety position of the attachment having the safety grid. This enables a multifunctional processing system, in particular the processing device. In particular, the other attachment can have the suction line.

[0021] In a further development of the invention, the machining system comprises or has at least two attachments. The electric drive motor system has the path with at least two interruptions connected in series. The attachments each have the contact bridge, in particular the respective contact bridge. This enables simple and thus cost-effective production of the machining system, in particular the machining device.

[0022] In one embodiment of the invention, the electric drive motor system comprises or has a series-connected contact piece, in particular a one-piece one. The series-connected contact piece comprises or has two contact sections for contacting, in particular directly and / or electrically, the two contact bridges, and a distance compensation section, in particular spatially, between the contact sections for compensating a tolerance in a distance between the contact bridges. This enables a simple arrangement of the add-on parts. In particular, the distance compensation section can be resilient or elastic.

[0023] In a further development of the invention, the processing system comprises or has, in particular, at least two attachments. The electric drive motor system has at least one path with, in particular, at least two interruptions. The attachments each have the, in particular the respective, contact bridge. The processing device and the attachments are designed or configured for arrangement in the respective safety position in mutually non-parallel, in particular orthogonal, arrangement directions. This enables a smooth flow, in particular flow and / or material flow, in the processing device.

[0024] In a further development of the invention, the machining system comprises or has, in particular, at least two attachments. The electric drive motor system has at least one path with, in particular, at least two interruptions. The attachments each have, in particular, the respective contact bridge. The machining device and the attachments define, in particular spatially, a, in particular temporal, sequence for the arrangement in the respective safety position and / or for a release from the respective safety position. This enables a compact design and / or intuitive handling of the machining system, in particular the machining device.

[0025] In a further development of the invention, the electric drive motor system comprises or has at least two, in particular one-piece, contact pieces. The contact pieces are designed or configured to make contact, in particular directly and / or electrically, with the at least one contact bridge and are structurally identical. This enables simple and thus cost-effective production of the processing system, in particular the processing device.

[0026] In a further development of the invention, the electric drive motor system comprises or has at least one, in particular the at least one, contact piece and / or one, in particular the series-connected contact piece. The contact piece and / or the series-connected contact piece are / is, in particular, each designed or configured for, in particular, direct and / or electrical contacting of the at least one contact bridge and are mounted in a floating manner, in particular relative to a, in particular the, device housing of the processing device. This enables tolerance compensation and / or the risk of fretting to be reduced or even avoided.

[0027] In a further development 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 easy assembly and / or removal of the contact bridge.

[0028] In a further development of the invention, the at least one path is a power path for, in particular electrical, conduction of, in particular electrical, drive power and / or a control path for, in particular electrical, conduction of a, in particular electrical, control signal, in particular a control current and / or a control voltage.

[0029] The hand-held processing device according to the invention is designed or configured for a hand-held processing system, in particular the hand-held processing system, as described above. The processing device has a movable processing part, in particular the movable processing part, and an electric drive motor system for moving the processing part. The electric drive motor system has at least one, in particular the at least one, electrical path with at least one, in particular the at least one, interruption.The processing device is designed for the spatial arrangement of at least one, in particular the at least one, attachment part from a, in particular the, dangerous position into a, in particular the, safe position on the processing device which is different from the dangerous position, in such a way that, as a result of the at least one attachment part in the dangerous position, at least one, in particular the at least one, contact bridge of the at least one attachment part does not electrically bridge the at least one interruption, and that, as a result of the arrangement of the at least one attachment part in the safe position, the at least one contact bridge electrically bridges the at least one interruption. The processing device is a blower device, a suction device and / or a shredder device, in particular a suction shredder device. The processing device enables the same advantages as previously described for the processing system. In particular, the processing device can be designed as previously described.

[0030] The attachment according to the invention is designed or configured for a hand-guided machining system, in particular the hand-guided machining system, as described above. The attachment has a contact bridge. The attachment is designed for the spatial arrangement of a position, in particular the dangerous position, into a safety position, in particular the safety position different from the dangerous position on a hand-guided machining device, in particular the hand-guided machining device, in such a way that the contact bridge, in the dangerous position, does not electrically bridge an interruption, in particular the electrical path of an electric drive motor system, in particular the electric drive motor system of the machining device, and that the arrangement of the attachment in the safety position causes the contact bridge to electrically bridge the interruption. The attachment comprises orcomprises a blow line, in particular a blow pipe, a suction line, in particular a suction pipe, a collecting bag, in particular one that is permeable to gases and / or impermeable to the user, and / or a safety grid, in particular one that is permeable to gases and / or impermeable to the user. The attachment enables the same advantages as previously described for the processing system. In particular, the attachment can be designed as previously described. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Further advantages and aspects of the invention emerge from the claims and from the following description of preferred embodiments of the invention, which are explained below with reference to the figures. In the figures: Fig. 1 a perspective view of a hand-guided processing system according to the invention comprising a hand-guided processing device according to the invention and two attachments according to the invention comprising a blow line and a safety grid, Fig. 2 a perspective view of an electrical path with two interruptions of an electric drive motor system of the processing device of the Fig. 1 , Fig. 3 a perspective view of the path of the Fig. 2 and two contact bridges of the attachments of the Fig. 1 , Fig. 4a schematic diagram of the path of the Fig. 2 and the two contact bridges of the attachments of the Fig. 1 , Fig. 5 a perspective view of the machining system of the Fig. 1 comprising the processing device and an attachment according to the invention comprising the safety grid, Fig. 6 a perspective view of the processing system of the Fig. 1comprising the processing device and three attachments according to the invention comprising the safety grid, a suction line and a collecting bag, Fig. 7 a further perspective view of the processing system of the Fig. 6 , Fig. 8 another perspective view of the processing system of the Fig. 6 , Fig. 9 a perspective view of the machining system of the Fig. 6 with the attachment part removed, showing the collecting bag, and Fig. 10 a perspective view of the processing system of the Fig. 6 with the attachment part removed showing the suction line. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] Fig. 1 to 10show a hand-guided processing system 1 according to the invention. The processing system 1 comprises a hand-guided processing device 2 according to the invention and at least one attachment 3a, 3b, 3c, 3d according to the invention. The processing device 2 has a movable processing part 4 and an electric drive motor system 5 for moving the processing part 4. The electric drive motor system 5 has at least one electrical path 6 with at least one interruption 7a, 7b. The at least one attachment 3a-d has a contact bridge 8a, 8b, 8c, 8d.The processing device 2 and the at least one attachment 3a-d are designed for the spatial arrangement of the at least one attachment 3a-d from a danger position GES into a safety position SIS different from the danger position GES on the processing device 2 in such a way that the at least one contact bridge 8a-d does not electrically bridge the at least one interruption 7a-b due to the at least one attachment 3a-d in the danger position GES, as in . Fig. 2 , 5 and 10 shown, and that by arranging the at least one attachment 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 in Fig. 1 , 3 , 4 and 6 to 8 shown.

[0033] The hand-held processing device 2 according to the invention is designed for the hand-held processing system 1. The processing device 2 has the movable processing part 4 and the electric drive motor system 5 for moving the processing part 4. The electric drive motor system 5 has at least one electrical path 6 with at least one interruption 7a-b.The processing device 2 is designed for the spatial arrangement of the at least one attachment 3a-d from the danger position GES into the safety position SIS on the processing device 2, which is different from the danger position GES, in such a way that, due to the at least one attachment 3a-d in the danger position GES, the at least one contact bridge 8a-d of the at least one attachment 3a-d does not electrically bridge the at least one interruption 7a-b, and that due to the arrangement of the at least one attachment 3a-d in the safety position SIS, the at least one contact bridge 8a-d electrically bridges the at least one interruption 7a-b.

[0034] The attachment 3a-d according to the invention is designed for the hand-guided processing system 1. The attachment 3a-d has the contact bridge 8a-d. The attachment 3a-d is designed for the spatial arrangement from the danger position GES to the safety position SIS, which is different from the danger position GES, on the hand-guided processing device 2 in such a way that, due to the attachment 3a-d in the danger position GES, the contact bridge 8a-d does not electrically bridge the interruption 7a-b of the electrical path 6 of the electric drive motor system 5 of the processing device 2, and that, due to the arrangement of the attachment 3a-d in the safety position SIS, the contact bridge 8a-d electrically bridges the interruption 7a-b.

[0035] In the illustrated embodiment, the machining system 1 has four attachments 3a-d. In alternative embodiments, the machining system may have only a single attachment, two attachments, three attachments, or at least five attachments.

[0036] Furthermore, in the illustrated embodiment, the electric drive motor system 5 has only a single electrical path 6. In alternative embodiments, the electric drive motor system may have at least two electrical paths.

[0037] Furthermore, in the illustrated embodiment, path 6 has two interruptions 7a-b. In alternative embodiments, the path may have only a single interruption or at least three interruptions.

[0038] Furthermore, in the embodiment shown, the processing device 2 has a device housing 9. The processing part 4 is spatially arranged in the device housing 9, as in Fig. 4 and 5 shown. The device housing 9 has at least one access opening 10a, 10b to the processing part 4. The at least one attachment 3a-d in the safety position SIS encloses, in particular closes, the at least one access opening 10a-b. The at least one attachment 3a-d in the danger position GES encloses, in particular does not close, the at least one access opening 10a-b.

[0039] In the illustrated embodiment, the device housing 9 has two access openings 10a-b. In alternative embodiments, the device housing may have only a single access opening or at least three access openings.

[0040] In detail, the processing device 2 is a blower 2', as shown in Fig. 1 shown, a suction device 2" and / or a chopper 2‴, in particular a suction chopper 2"", as in Fig. 6 and 7 shown.

[0041] In addition, the processing part 4 has a flow impeller 4' and / or a knife wheel 4", in particular a flow impeller and knife wheel 4‴, in particular the processing part 4 is a flow impeller 4' and / or a knife wheel 4", in particular a flow impeller and knife wheel 4‴, as in Fig. 5 shown.

[0042] Furthermore, the at least one attachment part 3a-d additionally has a blow line 11b, in particular a blow pipe, a suction line 11c, in particular a suction pipe, a collecting bag 11d and / or a safety grid 11a.

[0043] In the embodiment shown, the processing device 2 with the safety grid 11a and the blower line 11b can be used as the blower 2` and with the suction line 11c and the collecting bag 11d as the suction device 2", in particular the suction chopper 2ʺʺ.

[0044] In Fig. 1The attachment 3a having the safety grid 11a is arranged in the safety position SIS on the processing device 2. Due to the arrangement of the attachment 3a having the safety grid 11a in the safety position SIS, the contact bridge 8a electrically bridges the interruption 7a. In particular, the attachment 3a having the safety grid 11a closes the access opening 10a in the safety position SIS.

[0045] Furthermore, in Fig. 1 The attachment 3b, having the blow line 11b, is arranged on the processing device 2 in the safety position SIS. Due to the arrangement of the attachment 3b, having the blow line 11b, in the safety position SIS, the contact bridge 8b electrically bridges the interruption 7b. In particular, the attachment 3b, having the blow line 11b, encloses the access opening 10b in the safety position SIS.

[0046] In Fig. 5No attachment 3a-d is arranged in the safety position SIS on the processing device 2. In other words: the at least one attachment 3a-d is in the danger position GES. Due to the at least one attachment 3a-d being in the danger 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 3a-d does not enclose, in particular close, the at least one access opening 10a-b in the danger position GES.

[0047] In Fig. 5 to 10 The attachment part 3a, which has the safety grid 11a, is in the danger position GES. Because the attachment part 3a, which has the safety grid 11a, is in the danger position GES, the contact bridge 8a does not electrically bridge the interruption 7a.

[0048] In particular, the attachment part 3a having the safety grille 11a does not close the access opening 10a in the danger position GES.

[0049] In addition, Fig. 6 to 9 The attachment 3c having the suction line 11c is arranged on the processing device 2 in the safety position SIS. Due to the arrangement of the attachment 3c having the suction line 11c in the safety position SIS, the contact bridge 8c electrically bridges the interruption 7a. In particular, the attachment 3c having the suction line 11c encloses the access opening 10a in the safety position SIS.

[0050] Further in Fig. 6 to 8 The attachment 3d having the collecting bag 11d is arranged in the safety position SIS on the processing device 2. Due to the arrangement of the attachment 3d having the collecting bag 11d in the safety position SIS, the contact bridge 8d electrically bridges the interruption 7b. In particular, the attachment 3d having the collecting bag 11d closes the access opening 10b in the safety position SIS.

[0051] In Fig. 9The attachment 3d having the collecting bag 11d is not arranged in the safety position SIS on the processing device 2, but rather in the direction of the danger position GES. Because the attachment 3d has the collecting bag 11d not in the safety position SIS, but rather in the direction of the danger position GES, the contact bridge 8d does not electrically bridge the interruption 7b.

[0052] In Fig. 10 The attachment 3d having the collecting bag 11d is in the danger position GES. Because the attachment 3d has the collecting bag 11d in the danger position GES, the contact bridge 8d does not electrically bridge the interruption 7b. In particular, the attachment 3d having the collecting bag 11d in the danger position GES does not close the access opening 10b.

[0053] In addition, Fig. 10The attachment part 3c, which has the suction line 11c, is not arranged in the safety position SIS on the processing device 2, but rather in the direction of the danger position GES. Because the attachment part 3c has the suction line 11c not in the safety position SIS, but rather in the direction of the danger position GES, the contact bridge 8c does not electrically bridge the interruption 7a.

[0054] In detail, the attachment part 3a comprising the safety grid 11a is fixedly arranged on the processing device 2 and is designed for spatial adjustment, in particular pivoting, between the danger position GES and the safety position SIS.

[0055] The attachment part 3a comprising the safety grille 11a is in Fig. 1 into the SIS safety position and into Fig. 5 to 10 spatially adjusted, in particular pivoted, into the danger position GES.

[0056] In particular, the processing system 1, in particular the, comprises at least two attachments 3a-d. The attachments 3a-d each comprise the contact bridge 8a-d.

[0057] In addition, the processing device 2, one of the attachments 3a having the safety grid 11a in the danger position GES and another of the attachments 3c, in particular having the suction line 11c, are designed for the arrangement of the other attachment 3c in the safety position SIS of the attachment 3a having the safety grid 11a.

[0058] The other attachment 3c is in Fig. 6 to 9 in the safety position SIS of the attachment part 3a having the safety grid 11a.

[0059] In the embodiment shown, the attachments 3b-d comprising the blow line 11b, the suction line 11c and the collecting bag 11d are not fixedly arranged on the processing device 2 or are designed to be detachable from the processing device 2, in particular without tools and / or in a non-destructive manner.

[0060] Furthermore, the electric drive motor system has the, in particular at least one, path 6 with, in particular, at least two, in particular series-connected, interruptions 7a-b, as in Fig. 2 to 4 shown.

[0061] In detail, the electric drive motor system 5 has a series connection contact piece 12.

[0062] In addition, the series connection contact piece 12 has two contact sections 12K for contacting the two contact bridges 8a-d and a distance compensation section 12A between the contact sections 12K for compensating a tolerance of a distance A8 between the contact bridges 8a-d.

[0063] In Fig. 3 one of the contact sections 12K contacts the contact bridge 8a and another of the contact sections 12K contacts the contact bridge 8b.

[0064] Furthermore, the processing device 2 and the attachments 3a-d are designed for the arrangement in the respective safety position SIS in mutually non-parallel, in particular orthogonal, arrangement directions ARac, ARbd.

[0065] In the exemplary embodiment shown, the processing device 2 and the attachments 3a, 3c comprising the safety grid 11a and the suction line 11c are designed, in particular arranged, for the arrangement in the, in particular respective, safety position SIS in the arrangement direction ARac, and the processing device 2 and the attachments 3b, 3d comprising the blow line 11b and the collecting bag 11d are designed, in particular arranged, for the arrangement in the, in particular respective, safety position SIS in the arrangement direction ARbd.

[0066] Furthermore, the processing device 2 and the attachments 3a-d define a sequence for the arrangement in the respective safety position SIS and / or for a release from the respective safety position SIS, as in Fig. 8 to 10 shown.

[0067] In the exemplary embodiment shown, the attachment part 3a, 3c comprising the safety grid 11a or the suction line 11c is to be arranged first in the, in particular respective, safety position SIS and lastly released from the, in particular respective, safety position SIS and the attachment part 3b, 3d comprising the blow line 11b or the collecting bag 11d is to be arranged last in the, in particular respective, safety position SIS and firstly released from the, in particular respective, safety position SIS.

[0068] In particular, a locking lever for the attachment part 3a, 3c having the safety grid 11a or the suction line 11c is or is covered by the attachment part 3b, 3d having the blow line 11b or the collecting bag 11d arranged in the safety position SIS.

[0069] Furthermore, the electric drive motor system 5 has at least one contact piece 13a, 13b, in particular at least two contact pieces 13a-b. The at least one contact piece 13a-b is, in particular the contact pieces 13a-b, designed to contact the at least one contact bridge 8a-d.

[0070] In addition, the contact pieces 13a-b are of identical design.

[0071] In the illustrated embodiment, the electric drive motor system 5 has two contact pieces 13a-b. In alternative embodiments, the electric drive motor system may have only a single contact piece or at least three, in particular at least four, contact pieces.

[0072] In Fig. 3 one of the contact pieces 13a contacts the contact bridge 8a and another of the contact pieces 13b contacts the contact bridge 8b.

[0073] Furthermore, the contact piece 13a-b and / or the series connection contact piece 12 are / is floatingly mounted.

[0074] In particular, the processing device 2, in particular the electric drive motor system 5, has an assembly aid for mounting the contact piece 13a-b and / or the series-connected contact piece 12. The assembly aid remains on, in particular in, the processing device 2 after assembly.

[0075] In addition, the contact bridge 8a-d has a plug-in bridge 14a-d, in particular the contact bridge 8a-d is a plug-in bridge 14a-d.

[0076] In the embodiment shown, the jumper is a tongue bridge.

[0077] Furthermore, in the exemplary embodiment shown, the, in particular respective, contact bridge 8a-d is mechanically connected to another part of the, in particular respective or assigned, attachment 3a-d in the form of the safety grid 11a, the blow line 11b, the suction line 11c and / or the collecting bag 11d in such a way that the contact bridge 8a-d cannot be detached from the other part of the attachment 3a-d by the user, in particular in a different way than the attachment 3a-d can be detached from the, in particular respective, safety position SIS.

[0078] In addition, in the embodiment shown, the at least one path 6 is a control path 6' for conducting a control signal STS.

[0079] In alternative embodiments, the at least one path may be a power path for conducting drive power.

[0080] In the illustrated embodiment, the control signal STS is transmitted, or the electric drive motor system 5 is configured to move the machining part 4, if the contact bridges 8a-d, in particular two, electrically bridge the interruptions 7a-b, in particular two. Otherwise, in particular if at least one of the contact bridges 8a-d does not electrically bridge at least one of the interruptions 7a-b, the control signal STS is not transmitted, or the electric drive motor system 5 is not configured to move the machining part 4, or a movement of the machining part 4 by the electric drive system 5 is avoided or prevented.

[0081] As the embodiments shown and described above make clear, the invention provides a hand-guided machining system, a hand-guided machining device for a hand-guided machining system and / or an attachment for a hand-guided machining system, which, in particular, in each case, has improved properties, in particular is safer and more user-friendly.

Claims

1. Hand-held treatment system (1), wherein the treatment system (1) exhibits: - a hand-held treatment device (2) and at least one attachment (3a, 3b, 3c, 3d), - wherein the treatment device (2) exhibits a movable treatment part (4) and an electric drive motor system (5) for moving the treatment part (4), wherein the electric drive motor system (5) exhibits at least one electrical path (6) with at least one interruption (7a, 7b), and - wherein the at least one attachment (3a-d) exhibits a contact bridge (8a, 8b, 8c, 8d), and - wherein the treatment device (2) and the at least one attachment (3a-d) are configured for the spatial arrangement of the at least one attachment (3a-d) from a hazard position (GES) into a safety position (SIS), which is different from the hazard position (GES), on the treatment device (2) in such a manner that - by the at least one attachment (3a-d) in the hazard position (GES), the at least one contact bridge (8a-d) does not electrically bridge the at least one interruption (7a-b), and - by the arrangement of the at least one attachment (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 treatment device (2) is a blower (2'), a vacuum device (2") and / or a shredder (2"'), in particular a vacuum shredder (2"").

2. Hand-held treatment system (1) according to Claim 1, - wherein the treatment device (2) exhibits a device housing (9), wherein the treatment part (4) is spatially arranged in the device housing (9), and wherein the device housing (9) exhibits at least one access opening (10a, 10b) to the treatment part (4), and - wherein the at least one attachment (3a-d) in the safety position (SIS) encloses, in particular closes off, the at least one access opening (10a-b), and wherein the at least one attachment (3a-d) in the hazard position (GES) does not enclose, in particular does not close off, the at least one access opening (10a-b).

3. Hand-held treatment system (1) according to either of the preceding claims, - wherein the treatment part (4) exhibits, in particular is, a flow impeller wheel (4') and / or a cutting wheel (4"), in particular a flow impeller and cutting wheel (4"'), and / or - wherein the at least one attachment (3a-d) exhibits a blow line (11b), in particular a blow pipe, a vacuum line (11c), in particular a vacuum pipe, a collection bag (11d) and / or a safety guard (11a).

4. Hand-held treatment system (1) according to Claim 3, - wherein the attachment (3a) exhibiting the safety guard (11a) is fixedly arranged on the treatment device (2) and is configured for spatial adjustment, in particular pivoting, between the hazard position (GES) and the safety position (SIS).

5. Hand-held treatment system (1) according to Claim 4, - wherein the treatment system (1) exhibits at least two attachments (3a-d), - wherein the treatment device (2), one of the attachments (3a) exhibiting the safety guard (11a) in the hazard position (GES) and another of the attachments (3c) are configured for the arrangement of the other attachment (3c) into the safety position (SIS) of the attachment (3a) exhibiting the safety guard (11a).

6. Hand-held treatment system (1) according to one of the preceding claims, - wherein the treatment system (1) exhibits at least two attachments (3a-d), - wherein the electric drive motor system (5) exhibits the path (6) with at least two interruptions (7a-b) connected in series, and - wherein the attachments (3a-d) in each case exhibit the contact bridge (8a-d).

7. Hand-held treatment system (1) according to Claim 6, - wherein the electric drive motor system (5) exhibits a series-connected contact piece (12), wherein the series-connected contact piece (12) exhibits two contact portions (12K) for contacting the two contact bridges (8a-d) and a distance-compensating portion (12A) between the contact portions (12K) for compensating a tolerance of a distance (A8) between the contact bridges (8a-d).

8. Hand-held treatment system (1) according to one of the preceding claims, - wherein the treatment system (1) exhibits at least two attachments (3a-d), - wherein the electric drive motor system (5) exhibits the at least one path (6) with at least two interruptions (7a-b), and - wherein the attachments (3a-d) in each case exhibit the contact bridge (8a-d), and - wherein the treatment device (2) and the attachments (3a-d) are configured for arrangement into the respective safety position (SIS) in mutually non-parallel, in particular orthogonal, arrangement directions (ARac, ARbd).

9. Hand-held treatment system (1) according to one of the preceding claims, - wherein the treatment system (1) exhibits at least two attachments (3a-d), - wherein the electric drive motor system (5) exhibits the at least one path (6) with at least two interruptions (7a-b), and - wherein the attachments (3a-d) in each case exhibit the contact bridge (8a-d), and - wherein the treatment device (2) and the attachments (3a-d) define an order (RF) for arrangement into the respective safety position (SIS) and / or for release from the respective safety position (SIS).

10. Hand-held treatment system (1) according to one of the preceding claims, - wherein the electric drive motor system (5) exhibits at least two contact pieces (13a, 13b), wherein the contact pieces (13a-b) are configured for contacting the at least one contact bridge (8a-d) and are identically constructed.

11. Hand-held treatment system (1) according to one of the preceding claims, - wherein the electric drive motor system (5) exhibits at least one contact piece (13a-b) and / or a series-connected contact piece (12), wherein the contact piece (13a-b) and / or the series-connected contact piece (12) are / is configured for contacting the at least one contact bridge (8a-d) and are / is mounted in a floating manner.

12. Hand-held treatment system (1) according to one of the preceding claims, - wherein the contact bridge (8a-d) exhibits, in particular is, a jumper (14a-d).

13. Hand-held treatment system (1) according to one of the preceding claims, - wherein the at least one path (6) is a power path for transmitting drive power and / or a control path (6') for transmitting a control signal (STS).

14. Hand-held treatment device (2) for a hand-held treatment system (1) according to one of the preceding claims, wherein the treatment device (2) exhibits: - a movable treatment part (4) and an electric drive motor system (5) for moving the treatment part (4), wherein the electric drive motor system (5) exhibits at least one electrical path (6) with at least one interruption (7a-b), and - wherein the treatment device (2) is configured for the spatial arrangement of at least one attachment (3a-d) from a hazard position (GES) into a safety position (SIS), which is different from the hazard position (GES), on the treatment device (2) in such a manner that - by the at least one attachment (3a-d) in the hazard position (GES), at least one contact bridge (8a-d) of the at least one attachment (3a-d) does not electrically bridge the at least one interruption (7a-b), and - by the arrangement of the at least one attachment (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 treatment device (2) is a blower (2'), a vacuum device (2") and / or a shredder (2"'), in particular a vacuum shredder (2"").

15. Attachment (3a-d) for a hand-held treatment system (1) according to one of Claims 1 to 13, wherein the attachment (3a-d) exhibits: - a contact bridge (8a-d), and - wherein the attachment (3a-d) is configured for spatial arrangement from a hazard position (GES) into a safety position (SIS), which is different from the hazard position (GES), on a hand-held treatment device (2) in such a manner that - by the attachment (3a-d) in the hazard position (GES), the contact bridge (8a-d) does not electrically bridge an interruption (7a-b) of an electrical path (6) of an electric drive motor system (5) of the treatment device (2), and - by the arrangement of the attachment (3a-d) in the safety position (SIS), the contact bridge (8a-d) electrically bridges the interruption (7a-b), - wherein the at least one attachment (3a-d) exhibits a blow line (11b), in particular a blow pipe, a vacuum line (11c), in particular a vacuum pipe, a collection bag (11d) and / or a safety guard (11a).