Holding device for a hand tool

Abstract

In a holding device (300) for a hand-held power tool (100) with a tool holder (140) which is designed to hold at least one insert tool, in particular a screwdriver bit, wherein the holding device (300) is provided for holding a fastening element, in particular a screw element, and has a first holding unit (310) for fixing the holding device (300) to a hand-held power tool (100) and a second holding unit (320) which is axially movable on the first holding unit (310) and for holding a fastening element, in particular a screw element, wherein the second holding unit (320) can be arranged in a parking position (501) and in a working position (502) in which the holding of the fastening element is enabled, the first holding unit (310) is assigned a blocking element (340) which can be moved in the circumferential direction (302) of the holding device (300) from a blocking position into a release position (301). is rotatable.

Description

Prior ArtThe present invention relates to a holding device for a hand-held power tool having a tool holder which is designed at least for receiving an insert tool, in particular a screwdriver bit, wherein the holding device is provided for holding a fastening element, in particular a screw element.From the prior art, a holding device of this type for a hand-held power tool is known, which has a tool holder which is designed to hold an insert tool designed as a screwdriver bit. The holding device is provided for holding a fastening element designed as a screw element and has a first holding unit for fixing to the hand-held power tool and a second holding unit, which can be moved axially on the first holding unit, for holding the screw element. The second holding unit can be arranged in a parking position and in a working position in which the holding of the screw element is made possible.Disclosure of the InventionThe present invention provides a holding device for a hand-held power tool having a tool holder which is designed at least for receiving an insert tool, in particular a screwdriver bit, wherein the holding device is provided for holding a fastening element, in particular a screw element. The holding device has a first holding unit for fixing the holding device to a hand-held power tool and a second holding unit, which can be moved axially on the first holding unit, for holding a fastening element, in particular a screw element, wherein the second holding unit can be arranged in a parking position and in a working position in which the holding of the fastening element is made possible. The first holding unit is assigned a blocking element which can be rotated in the circumferential direction of the holding device from a blocking position into a release position.The invention thus makes it possible to provide a holding device in which locking of the second holding unit when holding a fastening element can be achieved by the blocking element assigned to the first holding unit. The holding device can thus be used to form a stable and robust depth stop.Preferably, the blocking element in the blocking position blocks the second holding unit in order to prevent an axial movement of the second holding unit from the working position into the parking position.Thus, an unintentional insertion or penetration of the second holding unit into the first holding unit can be prevented reliably and reliably when forming a depth stop required in a work-specific manner.Preferably, the blocking element releases the second holding unit in the release position in order to enable an axial movement of the second holding unit from the working position into the parking position.This makes it possible in a simple manner to access the tool holder and thus to exchange a respectively used screwdriver bit comfortably.According to one embodiment, the first holding unit has at least one groove on its outer circumference and the blocking element is configured for rotatable arrangement on the first holding unit on its inner circumference with at least one guide element that can be guided in the at least one groove.A secure and reliable rotatable arrangement of the blocking element on the first holding unit can thus be made possible.The first holding unit preferably has a plurality of first webs arranged in the circumferential direction and formed along a longitudinal extent of the holding device, wherein a first receptacle is formed in each case between two first webs adjacent in the circumferential direction.Thus, the provision of a compact and stable first holding unit can be made possible.Preferably, the second holding unit has a plurality of second webs arranged in the circumferential direction and formed along the longitudinal extent, wherein a second receptacle is formed in each case between two second webs adjacent in the circumferential direction.The provision of a robust and compact second holding unit can thus be made possible.Preferably, a first web of the first holding unit is arranged at least in sections in a second receptacle of the second holding unit.This allows reliable longitudinal guidance of the second holding unit on the first holding unit during an axial movement between the parking position and the working position.The blocking element preferably has a plurality of blocking webs arranged in the circumferential direction and formed along the longitudinal extent, wherein a release receptacle is formed in each case between two blocking webs adjacent in the circumferential direction.Preferably, in the release position, the blocking webs are each arranged in a second receptacle of the second holding unit. In the blocking position, the blocking webs preferably block the second webs of the second holding unit.This allows a clear and precise assignment of the blocking position and the release position for the blocking element.According to one embodiment, the second holding unit has an inner receptacle, in which a magnet is arranged, which is designed to fix the second holding unit in the release position of the blocking element and the parking position of the second holding unit on an output shaft assigned to the holding device.Thus, a fixing of the second holding unit in its parking position on the output shaft can be made possible in a simple manner.Preferably, the first holding unit has anti-rotation elements on its side facing away from the second holding unit for an anti-rotation arrangement on a fastening interface of a hand-held power tool.This makes it possible to achieve a rotationally fixed and reliable arrangement of the first holding unit at the fastening interface of a hand-held power tool.Preferably, the first holding unit has a holding section for detachable arrangement on an output shaft of a hand-held power tool.This makes it possible to achieve a stable and robust, but nevertheless detachable fixing of the first holding unit and thus of the holding device on an output shaft of a hand-held power tool.Preferably, the second holding unit is assigned a spring element which, in the release position of the blocking element, acts on the second holding unit from the parking position into the working position.Thus, a manual displacement of the second holding unit from the parking position into the working position can be supported in a simple manner.According to one embodiment, the first holding unit is assigned a display element for visualizing the release position and / or the second holding unit is assigned a display element for visualizing the blocking position. Preferably, the first webs of the first holding unit are assigned a display element for visualizing the blocking position and / or the second webs of the second holding unit are assigned a display element for visualizing the release position.Thus, a user of the holding device can be reliably and reliably indicated to a respective operating state of the holding device.Brief Description of the DrawingsThe invention is explained in more detail in the following description with reference to exemplary embodiments shown in the drawings. The following are shown: FIG. 1 shows a schematic view of a hand-held power tool with a tool holder and a fastening interface, FIG. 2 is a perspective view of the tool holder and the fastening interface of FIG. 1 , FIG. 3 shows a side view of a holding device having a first and second holding unit and a blocking element in a release position for the hand-held power tool from FIG. 1, FIG. 4 shows a side view of the holding device from FIG. 3 with the blocking element in a blocking position, FIG. 5 shows a sectional view of the holding device from FIGS. 3 and 4 fastened to the tool holder from FIGS. 1 and 2, FIG. 6 shows a perspective view of the first holding unit from FIGS. 3 to 5, FIG. 7 shows a plan view of the first holding unit from FIGS. 3 to 6, and FIG. 8 shows a plan view of the blocking element from FIGS. 3 to 5.DESCRIPTION OF THE EMBODIMENTSFIG. 1 shows an exemplary hand-held power tool 100, which illustratively has a tool housing 105 with a handle 115. According to one specific embodiment, hand-held power tool 100 for grid-independent power supply is mechanically and electrically connectable to a rechargeable battery pack 190 and is designed as a rechargeable battery screwdriver, for example, it may alternatively be operable, for example, as a grid-dependent power supply. However, the present invention is not limited to cordless screwdrivers, but rather can be used in different hand-held power tools in which an insert tool is set in rotation, for example in a screwdriver or cordless screwdriver, etc.At least one electric drive motor 180 supplied with current by battery pack 190 is preferably arranged in tool housing 105. Optionally, a gear 109 is arranged in the tool housing 105, with which a torque clutch 199 can be assigned. The drive motor 180 can be switched on and off, for example, via a manual switch 195 and can be any desired type of motor, for example an electronically commutated motor or a direct current motor. The drive motor 180 is preferably connected via the gear 109 to a drive shaft 120, for example a drive spindle, and drives this drive shaft 120 in rotation during operation of the hand-held power tool 100, preferably via the gear 109. In this case, the transmission 109 is preferably arranged in a transmission housing 110 and the drive motor 180 is arranged in a motor housing 185, which are arranged, illustratively, separately from one another in the tool housing 105. It is pointed out that the drive motor 180 and the gear 109 can also be arranged directly in the tool housing 105.Illustratively, the hand-held power tool 100 is assigned a tool receptacle 140 for receiving an insert tool 170, in particular a screwdriver bit. The tool holder 140 has, for example, a bit holder 145 and is arranged in the region of an end side 112 of the tool housing 105 or of the transmission housing 110.A magnet may be associated with the bit holder 145 to hold the driver bit 170. Such a magnet is usually not sufficient to magnetize and thus likewise hold a screw element ( 270 in FIG. 2 ) connected to the screwdriver bit 170.FIG. 2 shows the tool holder 140 of the hand-held power tool 100 from FIG. 1, wherein the drive shaft 120 is operatively connected to an output shaft 224 of the hand-held power tool 100 or is formed integrally therewith. The tool holder 140, or the bit holder 145, is preferably formed on the output shaft 224. The bit holder 145 preferably and illustratively has a receiving body 247 with an inner polygonal receptacle 248 and an outer periphery 249. The socket 248 is configured to receive insertion tools with socket couplings, in particular a driver bit 170, for which reason the insertion tool will be referred to below as "driver bit 170" for the sake of simplicity and clarity. The screwdriver bit 170 is preferably designed for screwing in and / or unscrewing a fastening element, in particular a screw element 270.The receiving body 247 preferably has on its outer periphery 249 a receiving region 289 facing the hand-held power tool 100, which merges in the direction of the free end of the output shaft 224 into a holding region 286. The receiving region 289 preferably has a larger diameter than the holding region 286. The holding region 286 is delimited in the direction of the free end of the output shaft 224 by a shoulder 284 which is preferably designed as an annular web, wherein the annular web 284 preferably has a larger diameter than the holding region 286. Between the annular web 284 and the free end of the output shaft 224 a further receiving region 282 is preferably arranged.In the region of the bit holder 145 or of the tool holder 140, a fastening interface 250, also referred to below as a "machine interface", is preferably provided. The machine interface 250 can be used for fastening a holding device ( 300 in FIG. 3 ). Illustratively, the machine interface 250 has a fastening device 258, which is preferably at least sectionally annular and which is fastened in a rotationally secured manner to the end side 112 of the tool housing 105 or to the transmission housing 109, said fastening device having an outer circumference 259 and an inner circumference 257. This covers the bit holder 145 at least in sections, for example, with a predetermined radial spacing.On the outer periphery 259 of the fastening device 258, a plurality of groove-like receptacles 252, 254 are illustratively provided, which preferably form an angular position device 260 and are designed to receive at least one and preferably a plurality of angle adjustment elements. The groove-like receptacles 252, 254 are exemplarily oriented in the longitudinal direction of the machine interface 250, i.e. in the direction of an arrow 299. In this case, the groove-like receptacles 252, 254 are preferably formed by projections which are aligned axially in the direction of the arrow 299 and of which only one is provided with the reference numeral 253 for the sake of clarity and clarity of the drawing.The fastening device 258 is preferably arranged on the end side 112 of the tool housing 105 or on the transmission housing 109 via at least one and illustratively three fastening elements 262, 264, 266. The fastening elements 262, 264, 266 are preferably designed in the manner of rivets or screws.FIG. 3 shows a holding device 300 according to the invention for a hand-held power tool having a tool holder which is designed at least for receiving an insert tool, in particular a screwdriver bit. Illustratively, the holding device 300 is designed for use with the hand-held power tool 100 of FIGS. 1 and 2, which has the tool receptacle 140, which is designed at least to receive the screwdriver bit 170, wherein the holding device 300 is generally provided for holding a fastening element, in particular the screw element 270 of FIG. 2.The holding device 300 preferably has at least a first holding unit 310, a second holding unit 320, and a blocking element 340. The holding unit 310 serves for fixing the holding device 300 to the hand-held power tool 100 of FIGS. 1 and 2, in particular for fixing it in a rotationally fixed manner to the machine interface 250 of FIG. 2. the holding unit 320 serves for holding a fastening element, in particular the screw element 270 of FIG. 2, and for this purpose has a passage opening 328 for the screw element 270. The holding unit 320 is arranged on the holding unit 310 so as to be axially movable, i.e. displaceable along a corresponding axis of rotation of the holding unit 320 or along a longitudinal extent 303 of the holding device 300. In this case, the holding unit 320 can preferably be arranged at least in a working position 502, in which the holding of a fastening element, in particular of the screw element 270 of FIG. 2, is made possible, and also a parking position ( 501 in FIG. 5 ).Preferably, the holding unit 310 is assigned the blocking element 340, which is preferably of annular design and illustratively has an annular main body 341. The blocking element 340 preferably has a plurality of blocking webs arranged in the circumferential direction 302 of the holding device 300 and formed along the longitudinal extent 303, i.e. longitudinal blocking webs, of which only two blocking webs are individually identified by the reference numerals 342, 343 by way of example. Between two blocking webs of the blocking element 340 adjacent in the circumferential direction 302, a release receptacle is formed in each case. Illustratively, a release receptacle 345 is formed between the two blocking webs 342, 343.The blocking element 340 is preferably rotatable in the circumferential direction 302 at least from a release position 301 into a blocking position ( 401 in FIG. 4 ). For this purpose, the blocking element 340 is illustratively arranged rotatably on an outer periphery 339 of a connection adapter 330 of the holding unit 310, on which the holding unit 320 is arranged axially displaceably and which can preferably be fixed in a rotationally fixed manner to the machine interface 250 of FIG. 2.The blocking element 340 is illustratively shown in the release position 301. In the release position 301, the blocking element 340 releases the holding unit 320 in order thus to enable an axial movement or displacement of the holding unit 320 from the working position 502 into an associated parking position ( 501 in FIG. 5 ). By way of example, the holding unit 320 has a display element 329 for visualizing the release position 301, wherein the display element 329 can have, for example, one or more pictograms.The holding unit 310 and the connection adapter 330 preferably have anti-rotation elements for an anti-rotation arrangement on the machine interface 250 of FIG. 2 on their side facing away from the holding unit 320, or end side, which forms a holding section 331. By way of example, only two anti-rotation elements are individually identified by the reference numerals 332, 333 and are arranged on the holding section 331 of the connection adapter 330. According to one embodiment variant, the anti-rotation elements can form receptacles for the projections of the machine interface 250 of FIG. 2. For example, the anti-rotation element 332 may receive a receptacle 335 for receiving the protrusion 253 of FIG. 2.Preferably, the holding unit 310 and in particular the connection adapter 330 has a plurality of webs arranged in the circumferential direction 302 and formed along the longitudinal extent 303, i.e. longitudinal webs, of which only two webs are individually identified by the reference numerals 336, 337 by way of example. A receptacle is formed between each of two webs of the holding unit 310 adjacent in the circumferential direction 302. Illustratively, a receptacle 338 is formed between the two webs 336, 337.Analogously to this, the holding unit 320 preferably likewise has a plurality of webs arranged in the circumferential direction 302 and formed along the longitudinal extent 303, i.e. longitudinal webs, of which only two webs are individually identified by the reference numerals 322, 323 by way of example. Between two webs of the holding unit 320 adjacent in the circumferential direction 302, a receptacle is preferably likewise formed in each case. Illustratively, a receptacle 325 is formed between the two webs 322, 323.Preferably, each of the webs of the holding unit 310 is arranged at least in sections in a receptacle of the holding unit 320. For example, the web 336 of the holding unit 310 is arranged in the receptacle 325 of the holding unit 320. In addition, in the release position 301 of the blocking element 340, the blocking webs thereof are likewise each arranged in a receptacle of the holding unit 320. For example, the blocking web 343 is likewise arranged in the receptacle 325 of the holding unit 320.FIG. 4 shows the holding device 300 from FIG. 3 with the holding unit 310, the holding unit 320, and the blocking element 340 assigned to the holding unit 310, which blocking element is arranged rotatably on the connection adapter 330 of the holding unit 310. The connecting adapter 330 has the webs 336, 337 and forms the holding section 331 with the anti-rotation elements 332, 333 and the receptacle 335. The blocking element 340 has the blocking webs 342, 343 and the release receptacle 345. The holding unit 320 has the passage opening 328, the webs 322, 323 and the receptacle 325 and is in the working position 502 as shown in FIG. 3.Illustratively, the blocking element 340 is now rotated from its release position 301 in FIG. 3 into a blocking position 401 in the circumferential direction 302 of FIG. 3. To visualize the blocking position 401, the holding unit 310 is assigned, by way of example, a display element 429, wherein the display element 429 can have, for example, one or more pictograms.In the blocking position 401, the blocking element 340 blocks the holding unit 320 in order to prevent an axial movement of the holding unit 320 from the working position 502 into an associated parking position ( 501 in FIG. 5 ). In this case, the blocking webs 342, 343 of the blocking element 340 preferably block the webs 322, 323 of the holding unit 320.The webs 322, 323 preferably form holding edges assigned to the holding unit 320, of which only a single holding edge is identified with the reference symbol 398 for the sake of simplicity and clarity of the drawing. Analogously to this, the blocking webs 342, 343 of the blocking element 340 preferably form associated blocking edges, of which only a single blocking edge is identified with the reference symbol 399 for the purpose of simplicity and clarity of the drawing. In the blocking position 401, the holding edges preferably bear against the blocking edges. Illustratively, the retaining edge 398 abuts against the blocking edge 399.FIG. 5 shows a section of the hand-held power tool 100 from FIG. 1 with the tool housing 105, the tool receptacle 140 arranged on its end side 112, which receptacle has the polygonal socket 248, the output shaft 224 and the machine interface 250 from FIG. 2, on which the holding device 300 from FIGS. 3 and 4 is arranged, which has the holding unit 310, the holding unit 320, and the blocking element 340 assigned to the holding unit 310, which is arranged rotatably on the connection adapter 330. The connecting adapter 330 has the outer periphery 339 and has, inter alia, the web 337 and forms the holding section 331 with the anti-rotation element 332. The blocking element 340 has, among other things, the blocking web 342 and the release receptacle 345. The holding unit 320 has, inter alia, the passage opening 328 and the web 322. The machine interface 250 of the hand-held power tool 100 has, inter alia, the projection 253 on which, by way of example, the anti-rotation element 332 of the holding section 331 of the connection adapter 330 of the holding unit 310 is fixed.In addition, the holding unit 310 preferably has a holding section 590 for releasable arrangement on the output shaft 224 of the hand-held power tool 100. The holding section 590 is preferably formed on the connecting adapter 330 and has one or more spring-elastic webs 514 which, when the holding unit 310 or the connecting adapter 330 is pushed onto the output shaft 224 in the direction of the machine interface 250, spring into the holding region 286 of the output shaft 224 and thus releasably latch the connecting adapter 330 on the output shaft 224.Illustratively, the holding unit 320 is shown with dashed lines in the working position 502 of FIGS. 3 and 4, and with solid lines in a parking position 501. In this case, viewed with respect to the machine interface 250, the parking position 501 preferably corresponds to a proximal position of the holding unit 320, while the working position 502 preferably corresponds to a distal position of the holding unit 320. In the working position 502, the holding device 300 preferably forms a depth stop, in which the holding unit 320 can be placed or pressed against a workpiece in order to ensure a sufficient distance of the tool holder 140 from the workpiece.The holding unit 320 preferably has an inner receptacle 599, illustratively in the region of the passage opening 328 in which a magnet 530 is arranged. The magnet 530 is preferably pressed and / or glued into the inner receptacle 599 and can furthermore be fixed in the inner receptacle 599 by a fixing sleeve 520. The magnet 530 serves to fix the holding unit 320 in the release position 301 of the blocking element 340 and thus the parking position 501 of the holding unit 320 on the output shaft 224. This allows, for example, access to the polygonal socket 248 and thus a simple and uncomplicated change of a respectively used insert tool.Furthermore, the holding unit 320 is preferably assigned a spring element 510, which acts on the holding unit 320 from the parking position 501 into the working position 502 in the release position 301 of the blocking element 340. The spring element 510 can be a compression spring, for example, which is supported on the connection adapter 330. In order to prevent the holding unit 320 from slipping out of the holding unit 310 or the connection adapter 330 in this case, the holding unit 320 preferably has one or more securing hooks. By way of example, a securing hook 538 is formed on the web 322 of the holding unit 320 and is individually characterized.According to one embodiment, the holding unit 310 or the connection adapter 330 has at least one and preferably two grooves 711, 712 on its outer periphery 339. These grooves 711, 712 are illustratively engaged by assigned guide elements 812, 814 of the blocking element 340 for the rotatable arrangement of the blocking element 340 on the holding unit 310 or the connection adapter 330. The guide elements 812, 814 are preferably designed as web-shaped projections on the inner periphery 811 of the blocking element 340 and, by engaging in the grooves 711, 712, enable the blocking element 340 to be latched to the connection adapter 330 and also the blocking element 340 to be rotated relative to the connection adapter 330 in the circumferential direction 302.FIG. 6 shows the connection adapter 330 of the holding unit 310 from FIGS. 3 to 5 with the outer periphery 339, the webs 336, 337, the receptacle 338 and the holding section 331 with the anti-rotation elements 332, 333 and the receptacle 335. In addition, FIG. 6 illustrates the spring-elastic web 514 of FIG. 5 and the display element 429 of FIG. 4.FIG. 7 shows the connecting adapter 330 of the holding unit 310 from FIGS. 3 to 6 with the outer periphery 339, the webs 336, 337 and the receptacle 338, and the spring-elastic web 514 from FIGS. 5 and 6, Here, two webs 336 and two webs 337 and thus a total of four receptacles 338 and four spring-elastic webs 514 are shown by way of example.Furthermore, FIG. 7 illustrates the grooves 711, 712 of FIG. 5 formed on the outer periphery 339 of the connection adapter 330. The grooves 711, 712 preferably each extend over approximately 180° on the outer periphery 339 and are separated from one another by two end stops or cross struts 713, 714.Furthermore, webs 336, 337, 514 illustratively form a support groove 799. The spring element 510 of FIG. 5 is preferably supported in the support groove 799.FIG. 8 shows the blocking element 340 from FIGS. 3 to 5 with the annular base body 341, the blocking webs 342, 343, the release receptacle 345, and the web-shaped guide elements 812, 814 formed on the inner periphery 811, and two further web-shaped guide elements 813, 815. These guide elements 812, 813, 814, 815 are each displaceable in the grooves 711, 712 of FIG. 7 as far as a stop against one of the two end stops or cross struts 713, 714 of FIG. 7, such that the blocking element 340 is rotatable on the connection adapter 330 of FIGS. 6 and 7 preferably in each rotational direction by a maximum of 45°.

Claims

Holding device (300) for a hand-held power tool (100) having a tool holder (140) which is designed at least for receiving an insert tool (170), in particular a screwdriver bit, wherein the holding device (300) is provided for holding a fastening element (270), in particular a screw element, and has a first holding unit (310) for fixing the holding device (300) to a hand-held power tool (100) and a second holding unit (320), which can be moved axially on the first holding unit (310), for holding a fastening element (270), in particular a screw element, wherein the second holding unit (320) can be arranged in a parking position (501) and in a working position (502) in which holding of the fastening element (270) is made possible, characterized in that a blocking element (340) is assigned to the first holding unit (310), which is rotatable in the circumferential direction (302) of the holding device (300) from a blocking position (401) into a release position (301).Holding device according to Claim 1, characterized in that the blocking element (340), in the blocking position (401), blocks the second holding unit (320) in order to prevent axial movement of the second holding unit (320) from the working position (502) into the parking position (501).Holding device according to Claim 1 or 2, characterized in that the blocking element (340), in the release position (301), releases the second holding unit (320) in order to enable an axial movement of the second holding unit (320) from the working position (502) into the parking position (501).Holding device according to one of the preceding claims, characterized in that the first holding unit (310) has at least one groove (711, 712) on its outer periphery (339), and the blocking element (340) is designed for rotationally movable arrangement on the first holding unit (310) on its inner periphery (811) with at least one guide element (812, 813, 814, 815) which can be guided in the at least one groove (711, 712).Holding device according to one of the preceding claims, characterized in that the first holding unit (310) has a plurality of first webs (336, 337) arranged in the circumferential direction (302) and formed along a longitudinal extent (303) of the holding device (300), wherein a first receptacle (338) is formed in each case between two first webs (336, 337) adjacent in the circumferential direction (302).Holding device according to Claim 5, characterized in that the second holding unit (320) has a plurality of second webs (322, 323) arranged in the circumferential direction (302) and formed along the longitudinal extent (303), wherein a second receptacle (325) is formed in each case between two second webs (322, 323) adjacent in the circumferential direction (302).Holding device according to Claim 6, characterized in that a first web (336, 337) of the first holding unit (310) is arranged in each case at least in sections in a second receptacle (325) of the second holding unit (320).Holding device according to Claim 6 or 7, characterized in that the blocking element (340) has a plurality of blocking webs (342, 343) arranged in the circumferential direction (302) and formed along the longitudinal extent (303), wherein a release receptacle (345) is formed in each case between two blocking webs (342, 343) adjacent in the circumferential direction (302).Holding device according to Claim 8, characterized in that, in the release position (301), the blocking webs (342, 343) are each arranged in a second receptacle (325) of the second holding unit (320).Holding device according to Claim 8 or 9, characterized in that, in the blocking position (401), the blocking webs (342, 343) block the second webs (322, 323) of the second holding unit (320).Holding device according to one of the preceding claims, characterized in that the second holding unit (320) has an inner receptacle (599), in which a magnet (530) is arranged, which is designed to fix the second holding unit (320) in the release position (301) of the blocking element (340) and the parking position (501) of the second holding unit (320) on an output shaft (224) assigned to the holding device (300).Holding device according to one of the preceding claims, characterized in that the first holding unit (310) has anti-rotation elements (332, 333) on its side facing away from the second holding unit (320) for an arrangement in a rotationally secure manner on a fastening interface (250) of a hand-held power tool (100).Holding device according to one of the preceding claims, characterized in that the first holding unit (310) has a holding section (590) for releasable arrangement on an output shaft (224) of a hand-held power tool (100).Holding device according to one of the preceding claims, characterized in that the second holding unit (320) is assigned a spring element (510) which, in the release position (301) of the blocking element (340), acts on the second holding unit (320) from the parking position (501) into the working position (502).Holding device according to one of the preceding claims, characterized in that the first holding unit (310) is assigned a display element (429) for visualizing the blocking position (401) and / or the second holding unit (320) is assigned a display element (329) for visualizing the release position (301).

Images