EP3517249A1 - Holder device for a hand-held machine tool - Google Patents

Abstract

In the case of a holding device (140) for a handheld power tool (100) with a tool holder (210) which is at least designed to hold an insert tool, in particular a screwdriver bit, the holding device (140) for holding a fastening element (190), in particular a screw element is provided, at least one light element (440) is provided, which is designed at least for workplace lighting, and a housing (142) is provided, which has a first holding unit (150) for fixing the holding device (140) to a handheld power tool (100) and has a second holding unit (170) for holding a fastening element (190).

Description

State of the art

The present invention relates to a holding device for a hand tool with a tool holder, which is designed at least for receiving an insert tool, in particular a screwdriver bit, wherein the holding device for holding a fastener, in particular a screw is provided.

From the prior art, such a holding device for a hand tool is known. In this case, the power tool on a tool holder, which is designed in the manner of a bit holder for receiving a trained as a screwdriver bit insert tool. The holding device serves to hold a screw element, e.g. a screw, and is lockable in the bit holder.

Disclosure of the invention

The present invention provides a holding device for a hand tool with a tool holder, which is designed at least for receiving an insert tool, in particular a screwdriver bit. The holding device is provided for holding a fastening element, in particular a screw element. At least one light element is provided, which is designed at least for workstation lighting, and a housing is provided, which has a first holding unit for fixing the holding device on a hand tool machine and a second holding unit for holding a fastening element.

The invention thus makes it possible to provide a holding device in which an arrangement of the holding device can be made possible directly on the hand tool by the first holding unit, in which a simplified screwing can be made possible by the holding element associated with the second holding unit and by the at least one light element a workstation lighting can be enabled. Thus, a compact holding device can be provided by the light element, a safe and user-friendly screwing can be made possible.

The light element is preferably designed as at least one optical waveguide which is designed to direct a light beam, which is generated by a light source provided on a handheld power tool, to an associated workstation. Thus, a workstation lighting can be provided in a simple manner.

The optical waveguide is preferably designed to direct a light beam emitted by a front end of a handheld power tool facing the holding device to a workstation. Thus, a safe and reliable forwarding of the light beam from the light source to be illuminated work can be made possible.

The first holding unit is preferably arranged detachably on the housing via at least one fixing element. Thus, a simple and robust arrangement of the holding device can be made possible on a hand tool.

According to one embodiment, the first holding unit has at least one positioning element which is designed to align the holding device on a handheld power tool such that the light element, in particular the light guide, is arranged in the region of a light source arranged on an end face of the handheld power tool. Thus, an exact and precise arrangement of the holding device can be made possible on a hand tool, whereby an optimal transmission of the light beam from the power tool to the workplace can be made possible.

Preferably, the at least one positioning element is designed as an axial extension of the holding device and engages in an arrangement of the holding device on a hand tool in a recess formed on one of the holding device facing end side of the power tool machine recess. Thus, an arrangement of the holding device on the hand tool can be made possible in a simple manner.

The first holding unit preferably has, in particular on its inner circumference, at least one shaped element which is designed to form an anti-rotation device with a counter contour assigned to a handheld power tool. Thus, an arrangement of the holding device on the power tool can be made simple and uncomplicated, in which the holding device does not rotate with an output shaft associated with the power tool.

The first holding unit preferably has a first element which is designed to form an axial fixation of the holding device on a hand-held power tool with a second element assigned to a hand-held power tool. Thus, a safe and reliable arrangement of the power tool can be made possible.

According to one embodiment, the axial fixing is designed as a snap connection, wherein the first element is designed as a safety clip and the second element associated with a hand tool machine is designed as an annular groove, wherein the safety clip engages in the annular groove of a hand tool to form the snap connection. Thus, the snap connection can be formed in a simple manner.

Preferably, the safety clip is arranged on an outer circumference of the first holding unit, wherein the first holding unit has at least one recess, which penetrates the safety clip for fixing the holding device in the annular groove assigned to a hand tool machine in sections. Thus, an uncomplicated and reliable fixation of the holding device to the power tool can be made possible.

The second holding unit preferably has at least one holding element, in particular a magnet, for holding a fastening element in the axial direction of the holding device. Thus, a secure and robust arrangement of a fastener can be made possible by the holding device.

According to one embodiment, the second holding unit is adjustable at least in a working position and a parking position axially displaced in the direction of the first holding unit, wherein in the working position, a holding element associated with the second holding unit is displaced in the direction of a free end of the holding device such that the holding element with a fastening element comes into contact, and in the park position, the second holding unit is displaced in the direction of one of the first holding unit facing axial end, that the holding element releases the insert tool, wherein the second holding unit is acted upon by a spring element in the working position. Thus, in a simple manner in the working position, or in a screwing, a fastener are fixed by the holding device at least axially and in the parking position a Einsatzwerkzeugwechsel take place, with a one-handed screwing and a one-handed insert tool change can be enabled.

The second holding unit preferably has at least one blocking element on its end face facing the first holding unit, wherein the at least one blocking element is acted upon in the working position by a limiting collar arranged at a free end of the holding device and in the parking position at an end facing the free end of the holding device the first holding unit is applied. Thus, a safe and reliable arrangement of the holding device in the working position and the parking position can be made possible.

Preferably, the housing has at its inner receptacle a blocking contour with at least one blocking section and the at least one blocking element of the second holding unit bears against the at least one blocking section in the parking position. Thus, an unintentional adjustment of the holding device from the working position to the parking position or vice versa can be prevented in a simple manner.

Preferably, an arrangement of the second holding unit from the working position to the parking position by a displacement in the axial direction to the first holding unit and a subsequent rotation in the circumferential direction. Thus An unintentional adjustment of the holding device during a work process can be prevented.

Brief description of the drawings

Fig. 1

eine Seitenansicht einer Handwerkzeugmaschine mit einer erfindungsgemäßen Haltevorrichtung,

Fig. 2

eine perspektivische Ansicht einer der Handwerkzeugmaschine von Fig. 1 zugeordneten Werkzeugaufnahme,

Fig. 3

eine Draufsicht auf die Werkzeugaufnahme von Fig. 2,

Fig. 4

eine perspektivische Ansicht der Haltevorrichtung von Fig. 1 in einer Arbeitsposition,

Fig. 5

einen Längsschnitt durch die Haltevorrichtung von Fig. 4 in einer Arbeitsposition,

Fig. 6

eine Explosionsansicht der Haltevorrichtung von Fig. 1, Fig. 4 und Fig. 5,

Fig. 7

einen Längsschnitt durch die an der Handwerkzeugmaschine von Fig. 1 angeordnete Haltevorrichtung von Fig. 4 bis Fig. 6,

Fig. 8

einen Längsschnitt durch die Haltevorrichtung von Fig. 7 in einer Parkposition,

Fig. 9

eine perspektivische Ansicht der Haltevorrichtung von Fig. 4 bis Fig. 8 in der Arbeitsposition, in Richtung eines freien axialen Endes der Haltevorrichtung betrachtet,

Fig. 10

eine perspektivische Ansicht der Haltevorrichtung von Fig. 9 in der Arbeitsposition, in Richtung des freien axialen Endes der Haltevorrichtung betrachtet,

Fig. 11

eine Draufsicht auf die Haltevorrichtung von Fig. 4 bis Fig. 10 in der Arbeitsposition, in Richtung des freien axialen Endes der Haltevorrichtung betrachtet, und

Fig. 12

eine Draufsicht auf die Haltevorrichtung von Fig. 11 in der Parkposition.

The invention is explained in more detail in the following description with reference to exemplary embodiments illustrated in the drawings. Show it:

Fig. 1

a side view of a hand tool with a holding device according to the invention,

Fig. 2

a perspective view of the hand tool of Fig. 1 associated tool holder,

Fig. 3

a plan view of the tool holder of Fig. 2 .

Fig. 4

a perspective view of the holding device of Fig. 1 in a working position,

Fig. 5

a longitudinal section through the holding device of Fig. 4 in a working position,

Fig. 6

an exploded view of the holding device of Fig. 1 . 4 and FIG. 5 .

Fig. 7

a longitudinal section through the on the power tool of Fig. 1 arranged holding device of Fig. 4 to Fig. 6 .

Fig. 8

a longitudinal section through the holding device of Fig. 7 in a parking position,

Fig. 9

a perspective view of the holding device of Fig. 4 to Fig. 8 in the working position, viewed in the direction of a free axial end of the holding device,

Fig. 10

a perspective view of the holding device of Fig. 9 in the working position, viewed in the direction of the free axial end of the holding device,

Fig. 11

a plan view of the holding device of Fig. 4 to Fig. 10 in the working position, viewed in the direction of the free axial end of the holding device, and

Fig. 12

a plan view of the holding device of Fig. 11 in the parking position.

Description of the embodiments

Fig. 1 shows an exemplary hand tool 100 having a tool housing 110 with a handle. According to one embodiment, the handheld power tool 100 for mains-independent power supply can be mechanically and electrically connected to a battery pack 115 and configured as a cordless drill, for example, but can alternatively be operated, for example, depending on the network. However, the present invention is not limited to cordless drill, but rather can be found in various hand tool machines application in which an insert tool is rotated, for example in a screwdriver or cordless screwdriver, etc.

In the tool housing 110, at least one of the battery pack 115 is supplied with power, electric drive motor 120 is preferably arranged. Optionally, a gear is arranged in the tool housing 110, which may be associated with a torque coupling. The drive motor 120 is e.g. can be switched on and off via a manual switch 112 and can be any type of motor, e.g. an electronically commutated motor or a DC motor. The drive motor 120 is connected to an output unit 125 and drives the output unit 125 during operation of the power tool 100 in rotation.

According to one embodiment, the handheld power tool 100 has on its end face 127 a tool holder (210 in FIG Fig. 2 ), which at least for receiving an insert tool (730 in Fig. 7 ), in particular a screwdriver bit is formed. In addition, the hand tool 100 is preferably connectable to a preferably replaceable tool attachment 140 according to the invention. The tool attachment 140 is designed according to one embodiment as a holding device and is hereinafter referred to as "holding device 140". The holding device 140 preferably has an axial end 141 facing the handheld power tool 100 and a free axial end 143. The holding device 140 is preferably designed to hold a fastening element 190, in particular a screw element.

Preferably, the holding device 140 has a housing 142 which has a first holding unit 150 for fixing the holding device 140 to the handheld power tool 100 and a second holding unit 170 for holding the fastening element 190, in particular the screw element. Preferably, the first holding unit 150 is facing that of the power tool 100 axial end 141 arranged and the second holding unit 170 is disposed at the free axial end 143. In this case, the first holding unit 150 is preferably designed to allow a releasable fastening of the holding device 140, preferably on the output unit 125 of the handheld power tool 100.

The first holding unit 150 is furthermore preferably arranged detachably on the housing 142 of the holding device 140 via at least one, preferably two fixing elements 155. Preferably, preferably two fixing elements 155 are arranged diametrically opposite one another. For detachable arrangement on the housing 142, these have the fixing elements 155 associated recesses 145.

Furthermore, the housing 142 has at least one, preferably two grip points 147. The gripping points 147 are preferably arranged in the region of the recesses 145 and preferably designed as an actuating element of the holding device 140. In this case, a user of the power tool 100 may be instructed by acting on the handles 147, e.g. move the holding device 140 from a working position to a parking position, or vice versa.

For holding the screw element 190, at least in the working position and / or in the axial direction 102 of the holding device 140, the second holding unit 170 preferably has at least one holding element (510 in FIG Fig. 5 ) on. The second holding unit 170 is preferably arranged axially movably on the housing 142. In this case, the second holding unit 170 can be arranged in a working position and a parking position. In Fig. 1 the second holding unit 170 is arranged in the working position.

Preferably, the holding device 140, preferably the first and second holding unit 150, 170 and / or the housing 142, at least partially formed of plastic. The first and / or second holding unit 150, 170 and / or the housing 142 are preferably formed as an injection molded part. It should be noted, however, that the holding device 140 may also have a different material, for example steel, aluminum or any other cast material.

In addition, the holding device 140 preferably has at least one light element 440, which is designed at least for workstation lighting. Preferably, the at least one light element 440 is arranged on the holding device 140, attached to this or integrated into it. In this case, the light element 440 may be arranged on the outer and / or inner circumference of the holding device 140. Preferably, the light element 440 may be arranged on the outer and / or inner circumference of the housing 142. The light element 440 is preferably designed as a passive light element.

According to one embodiment, the light element 440 is embodied as at least one light guide (610 in FIG Fig. 6 ) educated. In addition, the light guide (610 in Fig. 6 ) is preferably adapted to receive a light beam which is preferably from a light source (240 in FIG Fig. 2 ) is directed to an associated workstation. The optical waveguide 610 is preferably designed to direct a light beam emitted by the holding device 140 to the front side 127 of the handheld power tool 100 to a workstation. It should be noted, however, that the design of the light element 440 as a passive light element or as a light guide (610 in Fig. 6 ) has merely exemplary character and is not to be seen as limiting the invention. Thus, the light element 440 can also be designed as an active light element or as a light source, for example as an LED. In addition, a plurality of light elements 440 may be provided. Furthermore, a plurality of optical fibers (610 in Fig. 6 ) be provided. In this case, a plurality of light elements 440 and / or light guides can be arranged together in a common receptacle or spaced apart from one another in a plurality of receptacles.

Fig. 2 shows the end face 127 of the power tool 100 of Fig. 1 and illustrates the output unit 125. The output unit 125 is preferably operatively connected to an output shaft 212 of the power tool 100 or integrally formed therewith. The output shaft 212 is preferably formed as a tool holder 210 and is thereby driven in rotation by the drive motor 120 of the power tool 100.

The tool holder 210 is preferably for receiving an insert tool (730 in FIG Fig. 7 ) with external polygonal coupling, in particular a screwdriver bit, educated. The insert tool (730 in Fig. 7 ) is preferably designed for screwing in and / or unscrewing a fastening element 190, in particular a screw element.

In this case, the tool holder 210 has, for example, a bit holder 214 for arranging the insert tool (730 in FIG Fig. 7 ) and is preferably arranged in the region of an end face 127 of the power tool 100. Preferably, the bit holder 214 is formed of stainless steel to field lines of the holding device 140 according to the invention associated magnet (510 in Fig. 5 ) not to absorb. However, the bit holder 214 may also comprise any other material, eg steel.

The bit holder 214 is preferably associated with a magnetic element to secure the insert tool (730 in FIG Fig. 7 ) to keep. Such a magnetic element is preferably not sufficient in this case to magnetize a screw element 190 connected to the insertion tool and thus likewise to hold it.

Furthermore, the handheld power tool 100 preferably has a receiving region 236 on its end face 127 or on the tool housing 110. The receiving area is fixedly arranged on the tool housing 110 or formed integrally therewith. In this case, the output shaft 212 is rotatably arranged in an inner receptacle of the receiving area 236. The receiving region 236 preferably has a latching contour 230 at its free end.

The latching contour 230 is preferably designed to form a security against rotation of the holding device 140 with the handheld power tool 100. In this case, the catch contour 230 is preferably as a mating contour to at least one of the holding device 140 associated molding element (422 in Fig. 4 ) educated.

The latching contour 230 preferably has at least one engagement means 231 and at least one receptacle 232 along its circumference. Preferably, a plurality of engaging means 231 and receptacles 232 are arranged on the circumference of the latching contour 230. In this case, an engagement means 231 is disposed between second adjacent receptacles 232, or is formed by the receptacles 232. Preferably, the engagement means 231 and receptacles 232 are formed such that after an engagement means 231 in each case a receptacle 232 follows. however For example, irregular patterns of engagement means 231 and receptacles 232 may also be present.

In addition, on its side facing the handheld power tool 100, the receiving region 236 preferably has an associated element 234 which is connected to a further element (430 in FIG Fig. 4 ) of the holding device 140 at least forms an axial fixation. In this case, the element 234 is preferably designed as an annular groove.

Furthermore, the handheld power tool 100 preferably has at least one light source 240 on its end face 127. The at least one light source 240 is preferably designed as an LED and serves for workstation lighting. In addition, the handheld power tool 100 preferably has at least one recess 250 on its end face 127.

Illustratively and preferably, two recesses 250 are formed on the end face 127. In this case, the two recesses 250 are preferably arranged diametrically opposite one another. The holding device 140 has for the positioning of the holding device 140 on the hand tool 100 preferably the recesses 250 associated axial extensions (420 in Fig. 4 ) on.

Fig. 3 shows the end face 127 of the power tool 100 of Fig. 2 and illustrates the latching contour 230. In this case, the latching contour 230 illustratively and by way of example has eight receptacles 232 and eight engagement means 231. It should be noted, however, that the configuration of the latching contour 230 with eight receptacles 232 and engagement means 231 merely has exemplary character and is not to be regarded as limiting the invention. Thus, the catch contour 230 may also have more or fewer than eight receptacles 232 and engagement means 231. In addition, the number of receptacles 232 and engagement means 231 may also be different.

In addition, clarified Fig. 3 the light source 240, which is illustratively and preferably coaxial with the bit holder 214. In this case, the light source 240 is preferably arranged at a twelve o'clock position. Furthermore, the preferred two recesses 250 are arranged coaxially with the bit holder 214. The two recesses 250 are twisted to the light source 240, wherein one recess 250 is disposed in an exemplary one o'clock position and the other recess 250 is diametrically opposed, in an exemplary seven o'clock position. It should be noted that the arrangement of the recesses 250 diametrically opposite and / or in a one-o'clock position or a seven o'clock position only has exemplary character and is not to be seen as limiting the invention. Thus, the preferably two recesses 250 can also be arranged differently.

Fig. 4 shows the holding device 140 of Fig. 1 and illustrates the housing 142 with its at least approximately cylindrical base body. It shows Fig. 4 the recess 145 for releasable arrangement of the first holding unit 150 on the housing 142 via the fixing elements 155. In addition, the housing has at its in Fig. 4 Illustratively, the upper area has an extension area 444. The extension region 444 is preferably designed as a cylindrical region. In this case, the extension region 444 preferably has a receptacle 442 for arranging the at least one light element 440. It should be noted that the extension region 444 can also be arranged at any other location of the housing 142, for example illustratively laterally or below.

Further clarified Fig. 4 The first holding unit 150 preferably has an exemplary cylindrical base body 411 with an inner receptacle 412. In this case, the first holding unit 150 preferably has at least one shaped element 422. The at least one shaped element 422 is preferably arranged on the inner circumference of the first holding unit 150 or on the inner receptacle 412. Furthermore, the at least one shaped element 422 is designed to form an axial locking with the counter contour 230 associated with the handheld power tool 100 and designed as a latching contour. Preferably, the axial lock is designed to prevent rotation.

Illustratively and advantageously, the mold element 422 is rectangular in shape, but may also have any other shape, for example a triangular shape. It should be noted that the mold element 422 may also be associated with the hand tool 100, wherein the first holding unit 150 a Can have recording to form the axial locking with the power tool 100.

In addition, the first holding unit 150, in particular on its inner receptacle 412, preferably has at least one recess 418. A first element 430 associated with the first holding device 150 preferably penetrates the recess 418 in sections for at least axial fixing of the holding device 140 in the annular groove 234 of the handheld power tool 100. The first element 430 is preferably designed as a safety clip 430.

The safety clip 430 preferably has a U-shaped main body 432. The safety clip 430 preferably has a rounded region 434 on its inner side engaging through the recess 418. When the holding device 140 is mounted on the handheld power tool 100, the rounded area 434 preferably engages in the annular groove 234 of the handheld power tool 100.

In this case, the safety clip 430 is preferably designed to form an axial fixation of the holding device 140 on a handheld power tool 100 with the second element associated with the handheld power tool 100, preferably designed as an annular groove 234. The axial fixation is preferably designed as a snap connection. The safety clip 430 is preferably arranged on an outer circumference of the first holding unit 150. To form the snap connection, the safety clip 430 preferably engages through the recess 418 and thus into the annular groove 234 of the handheld power tool 100.

The first holding unit 150 preferably has a circumferential collar 414 facing the handheld power tool 100. The circumferential collar 414 preferably has at least one positioning element 420 on its side facing the handheld power tool 100. The at least one positioning element 420 is preferably designed as an axial extension of the holding device 140. In the case of an arrangement of the holding device 140 on the handheld power tool 100, the at least one positioning element 420 is arranged or engages in the recess 250 associated with the handheld power tool 100.

In addition, the at least one positioning element 420 is preferably designed to align the holding device 140 on the handheld power tool 100 such that the light element 440, in particular the light guide (610 in FIG Fig. 6 ), is arranged in the region of the light source 240 arranged on the front side 127 of the handheld power tool 100. Illustratively and preferably, two positioning elements 420 are associated with the first holding unit 150, which engage in the preferably two recesses 250 of the hand tool 100.

It should be noted that the configuration of two positioning elements 420 has only exemplary character and is not to be seen as limiting the invention. Thus, the first holding unit 150 or the circumferential collar 414 may also have a positioning element 420 or more than two positioning elements 420.

In addition, the configuration of two recesses 250 of the hand tool 100 and of two positioning elements 420 is merely exemplary. Thus, the number of recesses 250 or positioning members 420 may be different, e.g. the hand tool 100 may have a larger number of recesses 250. In this case, a plurality of light sources 240 can also be arranged on the handheld power tool 100 and the plurality of cutouts 250 can be arranged such that a respective different light source 240 is aligned with the light element 440.

Preferably, the first holding unit 150, preferably on its peripheral collar 414, has a recess 416 for arranging the light element 440. Preferably, the recess 416 is aligned coaxially with the receptacle 442 of the extension portion 444 of the housing 142. In addition, the recess 416 is arranged such that a light beam emitted by the light source 240 of the handheld power tool 100 can preferably be conducted directly to the light element 440 that can be arranged in sections in the recess 416.

Fig. 5 shows the holding device 140 of Fig. 1 and Fig. 4 with the housing 142 arranged on the first and second holding unit 150, 170. This illustrates Fig. 5 the first holding unit 150 with the arranged on the peripheral collar 414 positioning member 420 and the recess 416 for the light element 440, as well as the arranged in the inner receptacle 412 mold element 422. Further shows Fig. 5 the security clip 430 arranged on the outer circumference of the first holding unit 150, wherein the rounded region 434 of the security clip 430 engages in sections through the recess 418 of the first holding unit 150. Preferably, the first holding unit 150 has a bottom surface 521, which is arranged on a side of the first holding unit 150 facing the second holding unit 170. The bottom surface 521 preferably has a recess 522 for the arrangement of the output shaft 212.

The second holding unit 170 preferably has a cylindrical base body with an inner receptacle 532. The inner receptacle 532 preferably has a surface 536, which faces the free end 143 and forms an abutment surface. The contact surface 536 preferably has a recess for the sectional arrangement of the insert tool (730 in FIG Fig. 7 ) on.

Furthermore, the second holding unit 170 preferably has a receptacle 534 for arranging at least one holding element 510 on its end face facing the free end 143 of the holding device 140. The at least one holding element 510 is preferably designed as a magnet and serves to hold a fastening element 190 in the axial direction 102 of the holding device 140. Preferably, the magnet 510 is designed as a ring magnet. Thus, preferably, a screwing in a disadvantageous position without holding the screw done. For non-metallic screw elements, the second holding unit 170 can be arranged, for example, in the parking position.

Preferably, the magnet 510 designed as a ring magnet is designed such that a north pole of the magnet 510 is arranged in the direction of the second axial end 143 of the holding device 140 and a south pole in the direction of the first end 141 of the holding device 140, or vice versa. Preferably, the ring magnet 510 is glued into the receptacle 534, but it may also be pressed into the receptacle 534. In addition, the second holding unit 170 may also be molded onto the magnet 510 by means of plastic syringes. Furthermore, the magnet 510 can also be beaded in some other way.

It should be noted, however, that the magnet 510 may also be formed from ring segments. Furthermore, a plurality of magnets for holding the screw element 190 may be assigned to the second holding unit 170. The magnets may also have any shape, for example a square shape. In addition, the output shaft 212 may be made of a magnetic steel. It should be noted that the magnet 510 is substantially not configured to receive the insert tool (730 in FIG Fig. 7 ) to magnetize.

The second holding unit 170 is, as described above, at least in a working position and in the direction of the first holding unit 150 axially displaced parking position adjustable. In Fig. 5 the second holding unit 170 is arranged in the working position, in which the ring magnet 510 is displaced in the direction of a free end 143 of the holding device 140 such that the ring magnet 510 preferably comes into contact with the screw element 190. In the parking position, the second holding unit 170 is displaced in the direction of the axial end 141 facing the first holding unit 150 in such a way that the ring magnet 510 preferably supports the insert tool (730 in FIG Fig. 7 ) releases. The second holding unit 170 is preferably acted upon by a spring element 515 in the working position. The spring element 515 is preferably arranged in the inner receptacle 532 of the second holding unit 170. The spring element 515 stands against the abutting surface 436 of the second holding unit 170 and the bottom surface 521 of the first holding unit 150 facing the second holding unit 170. The spring element 515 also preferably permits a deeper screwing in of a screw element 190 than only up to the surface of a workpiece, without damaging the holding device 140. Such a deep screwing into the surface of the workpiece is typically the case with a workpiece made of wood.

Furthermore, the second holding unit 170 has on its front side (602 in FIG Fig. 6 ) at least one, illustratively two, preferably four blocking elements 539. The blocking elements 539 are preferably acted upon in the working position against a arranged at the free end 143 of the holding device 140 limiting collar 542. Preferably, the limit collar 542 is associated with the housing 142. The blocking elements 539 form a delimiting element 538. The limiting element 538 prevents the second holding unit 170 from falling out of the housing 142. In the parking position, the blocking elements 539 bear against the end of the first holding unit 150 facing the free end 143 of the holding device 140. In addition, clarified Fig. 5 the receptacle 442 of the light element 440 in the extension region 444 of the housing 142.

Fig. 6 shows the holding device 140 of Fig. 1 . 4 and FIG. 5 with the housing 142, the first and second holding unit 150, 170, and the light element 440. The housing 142 preferably has an inner receptacle 622 on which a blocking contour 624 is preferably arranged. Preferably, the blocking contour 624 has at least one blocking portion (916 in FIG Fig. 9 ) on. In this case, the blocking elements 539 of the second holding unit 170 rest on the blocking contour 624 in the parking position.

Further shows Fig. 6 the second holding unit 170, which preferably has at least one illustratively four blocking elements 539 on its front side 602 facing the first holding unit 150. The blocking elements 539 are preferably designed as radial extensions. The blocking elements 539 preferably have an at least approximately rectangular shape. However, the blocking elements 539 may also have any other shape, for example a triangular shape.

Between the first and second holding unit 150, 170, the spring element 515 and the safety clip 530 are preferably arranged. It clarifies Fig. 6 the preferably U-shaped main body 432 of the security clip 430th

It should be noted, however, that the design of the security clip 430 with a U-shaped base 432 is merely exemplary in nature and should not be taken as limiting the invention. Thus, the security clip 430 may also have any other base body, e.g. a square body or a round body.

In addition, clarified Fig. 6 Preferably, the two fixing elements 155, as described above, arranged diametrically opposite one another.

It should be noted, however, that only one fixing element 155 or more than two fixing elements 155 may be associated with the first holding unit 150. Furthermore, the fixing elements 155 can also be assigned to the housing 142, in particular the inner receptacle 622, wherein the first holding unit 150 can have the recesses 145 for arranging the fixing elements 155.

Fig. 6 further illustrates the first holding unit 150, which preferably has two recesses 418 for the sectional arrangement of the security clip 430. Preferably, the two recesses 418 are formed diametrically opposite one another. Illustratively and preferably, the two recesses 418 are arranged in the region of the preferably two fixing elements 155, but could also be arranged offset to these.

In addition, shows Fig. 6 the lighting element 440 for workplace lighting. The light element 440 is preferably designed as at least one light guide 610. Preferably, the light guide 610 has a cylindrical base body. Furthermore, the light guide 610 preferably has a radial extension 612 for arrangement in the holding device 140. Here, the radial extension 612 is preferably arranged at a distance from one of the first holding unit 150 facing the end of the light guide 610.

Fig. 7 shows the arranged on the power tool 100 holding device 140 of Fig. 1 in the working position. It clarifies Fig. 7 Preferably, the insert tool 730 is designed as a screwdriver bit 730, which is why the insert tool 730 for simplicity and clarity as the "Screwdriver bit 730" is called. The screwdriver bit 730 is preferably designed for screwing in and / or unscrewing the fastening element 190, which is preferably designed as a screw element.

The holding device 140 is preferably arranged on the handheld power tool 100 such that the peripheral collar 414 assigned to the first holding unit 150 preferably rests against the end face 127 of the handheld power tool 100. The circumferential collar 414 is preferably flat against the end face 127. In this case, the inner receptacle 412 of the first holding unit 150 is arranged on the receiving region 236 of the handheld power tool 100, or the shaped elements 422 form the anti-rotation lock with the counter contour 230 assigned to the handheld power tool 100.

Furthermore, in the in Fig. 7 shown working position, the blocking elements 539 of the second holding unit 170 preferably by the spring element 515 against the limiting collar 542 of the housing 142 acted upon. In this case, the second holding unit 170 is arranged in the working position such that the ring magnet 510 preferably comes into contact with the screw element 190. In this case, a side 702 of the screw element 190 arranged on the holding device 140 preferably faces a ring magnet 510 on a side 704 of the ring magnet 510 facing the screw element 190. Thus, the screw 190 is at least approximately magnetized and thus held at least in the axial direction 102 on the holding device 140. The ring magnet 510 preferably has an inner receptacle, which is designed such that the screwdriver bit 730 can be arranged in the inner receptacle. However, a screwdriver head 190 of the screw element 190 which can be arranged on the screwdriver bit 730 can be arranged only partially in the inner receptacle.

In addition, clarified Fig. 7 arranged in the receptacle 442 and the recess 416 light guide 610. In this case, preferably, the radial extension 612 at one of the first holding unit 150 facing the end of the receptacle 442 of the housing 142 is arranged. As a result, the light guide 610 can preferably be arranged in the receptacle 442 of the housing 142 and subsequently the first holding unit 150 can be arranged on the housing 142. It clarifies Fig. 7 arranged on the recess 416, the power tool 100 associated light source 240. The light source 240 is preferably formed as LED 712. As a result, the light beam emitted by the LED 712 on the end face 127 of the handheld power tool 100 can be conducted directly or in the axial direction to the light guide 610, which in turn forwards the light beam to a workstation.

Fig. 8 shows the arranged on the power tool 100 holding device 140 of Fig. 7 in the parking position. In the parking position is the second holding unit 170 preferably arranged in the direction of the free end 143 of the holding device 140, or illustratively to the right, shifted. In this case, the second holding unit 170 is preferably arranged at least in sections within the housing 142.

A corresponding arrangement of the second holding unit 170 is preferably carried out manually by a user of the power tool 100. In this case, a displacement of the second holding unit 170 in the axial direction 804 to the first holding unit 150 out and a subsequent rotation in the circumferential direction 806. Here, the spring element 515 is compressed. The screwdriver bit 730 arranged in the bit holder 214 preferably projects beyond the free axial end 143 of the second holding unit 170 in the parking position of the second holding unit 170.

In the parking position, the second holding unit 170 is displaced in the direction of an axial end facing the first holding unit 150 or the first axial end 141 of the holding device 140 such that the ring magnet 510 releases the screwdriver bit 730. As a result, a screwdriver bit 730 can be exchanged without the holding device 140 having to be removed from the handheld power tool 100. In this case, the blocking elements 539 are preferably arranged spaced apart in the axial direction from the limiting collar 542 of the housing 142. In this case, the blocking elements 539 are preferably in contact with the end of the first holding unit 150 facing the free end 143 of the holding device 140 or with an end face 802 of the bottom surface 521 facing the free end 143.

Furthermore, in the parking position, the side 702 of the screw element 190 facing the ring magnet 510 is preferably arranged at a distance from a side 704 facing the ring magnet 510 or its side facing the screw element 190. Preferably, the second holding unit 170 is held by the blocking contour 624 in the parking position.

In addition, clarified Fig. 8 The safety clip 430 preferably penetrates the recess 418 of the first holding unit 150. The safety clip 430 preferably engages in the annular groove 234 of the handheld power tool to form the axial fixation, preferably designed as a snap connection 100, and the receiving area 236, a. As a result, the holding device 140 is fixed to the hand tool 100.

Fig. 9 shows the housing 142 of Fig. 1 with the second holding unit 170 in the working position and illustrates the blocking contour 624. The blocking contour 624 is, as described above, arranged on the inner receptacle 622 of the housing 142.

The blocking contour 624 preferably has at least one blocking section 916. In this case, the number of blocking sections 916 is preferably assigned to the number of blocking elements 539, or respectively selected or predetermined accordingly. Illustratively and preferably, four blocking elements 539 of the second holding unit 170 and preferably four blocking sections 916 are formed.

In the inner receptacle 622 guide portions 911 are preferably arranged, which have a recess 912 for arranging the blocking elements 539 of the second holding unit 170 in the working position. The blocking elements 539 are displaceable along the recess 912 during a displacement from the working position into the parking position, or during a displacement of the second holding unit 170 in the axial direction 804 towards the first holding unit 150. Preferably, two guide portions 911 are formed.

Preferably, the blocking portion 916 is formed in the axial direction 102 of the holding device 140 spaced from the guide portion 911. In addition, the blocking section 916 is assigned a rising edge 918. In the parking position, the blocking elements 539 rest against the approaching edge 918.

Fig. 10 shows the housing 142 with the second holding unit 170 in the working position of Fig. 9 and illustrates the preferably two guide sections 911. The illustrative and exemplary two guide sections 911 are preferably arranged diametrically opposite in the inner receptacle 622. Preferably, the guide portions 911 are arranged in the region of the recesses 145.

Furthermore, a receiving area 1012 is preferably formed in each case between the two guide sections 911. The receiving area 1012 preferably has a diameter of the inner receptacle 622. The guide sections 911 preferably have an inner diameter assigned to the outer diameter of the blocking elements 539. In addition, clarified Fig. 10 the blocking portion 916, which, as described above, in the axial direction spaced from the guide portion 911 is arranged.

Fig. 11 shows the housing 142 with the second holding unit 170 in the working position of FIGS. 9 and 10 , It clarifies Fig. 11 the two blocking elements 539 arranged in the recesses 912 and the receiving regions 1012.

Fig. 12 shows the housing 142 with the second holding unit 170 of Fig. 9 to Fig. 11 in the parking position. In this case, the second holding unit 170 is compared with that in FIG Fig. 11 shown working position in the axial direction 804 to the first holding unit 150 out and then rotated in the circumferential direction 806 and arranged in the direction of arrows 1022 twisted. In this case, the blocking elements 539 of the second holding unit 170 rest on the blocking contour 624 or the blocking portions 916. In addition, the blocking elements 539 abut against the abutting edges 918 assigned to them.

For arranging or transferring the second holding unit 170 from the parking position into the working position, the second holding unit 170 is preferably rotated counter to the direction of the arrows 1022. In this case, the spring element 515 preferably acts on the second holding unit 170 in the axial direction or toward the free end 143 of the holding device 140 until the blocking elements 539 rest against the limiting collar 542 of the housing 142.

Claims (15)

Holding device (140) for a hand tool (100) with a tool holder (210), which is designed at least for receiving an insert tool (730), in particular a screwdriver bit, wherein the holding device (140) for holding a fastener (190), in particular a Screw element is provided, characterized by at least one light element (440), which is designed at least for workstation lighting, and by a housing (142) having a first holding unit (150) for fixing the holding device (140) on a hand tool (100) and a second holding unit (170) for holding a fastener (190). Holding device according to claim 1, characterized in that the light element (440) as at least one light guide (610) is formed, which is adapted to a light beam, which is generated by a provided on a hand tool (100) light source (240) on to lead an assigned job. Holding device according to claim 2, characterized in that the light guide (610) is adapted to a one of the holding device (140) facing the end face (127) of a hand tool (100) emitted light beam to a job site. Holding device according to one of the preceding claims, characterized in that the first holding unit (150) via at least one fixing element (155) releasably on the housing (142) is arranged. Holding device according to one of the preceding claims, characterized in that the first holding unit (150) has at least one positioning element (420) which is adapted to align the holding device (140) on a hand-held power tool (100) such that the Light element (440), in particular the light guide (610), in the region of a on a front side (127) of the power tool (100) arranged light source (240) is arranged. Holding device according to claim 5, characterized in that the at least one positioning element (420) is formed as an axial extension of the holding device (140) and in an arrangement of the holding device (140) on a hand tool (100) in one of the holding device (140). facing front side (127) of the power tool (100) formed recess (250) engages. Holding device according to one of the preceding claims, characterized in that the first holding unit (150), in particular on its inner circumference (412), at least one mold element (422) which is adapted to a with a hand tool (100) associated counter contour (230 ) form an anti-rotation. Holding device according to one of the preceding claims, characterized in that the first holding unit (150) has a first element (430) which is adapted to an axial fixing of the holding device (140) with a second element (234) associated with a hand tool machine (100) ) on a hand tool (100) form. Holding device according to claim 8, characterized in that the axial fixing is designed as a snap connection, wherein the first element (430) is designed as a security clip (430) and the hand tool (100) associated second element (234) formed as an annular groove (234) is, wherein engages to form the snap connection of the safety clip (430) in the annular groove (234) of a power tool (100). Holding device according to claim 9, characterized in that the safety clip (430) is arranged on an outer circumference of the first holding unit (150), wherein the first holding unit (150) has at least one recess (418), which the safety clip (430) for fixing the Holding device (140) in a hand tool (100) associated annular groove (234) penetrates in sections. Holding device according to one of the preceding claims, characterized in that the second holding unit (170) for holding a fastening element (190) in the axial direction (102) of the holding device (140) has at least one holding element (510), in particular a magnet. Holding device according to one of the preceding claims, characterized in that the second holding unit (170) at least in a working position and in the direction of the first holding unit (150) axially displaced parking position is adjustable, wherein in the working position of the second holding unit (170) associated retaining element (510) is displaced in the direction of a free end (143) of the holding device (140) such that the holding element (510) comes into abutment with a fastening element (190) and in the parking position the second holding unit (170) is in the direction of one the first holding unit (150) facing the axial end (141) displaces that the holding element (510) the insert tool (190) releases, wherein the second holding unit (170) by a spring element (515) is acted upon in the working position. Holding device according to claim 12, characterized in that the second holding unit (170) on its the first holding unit (150) facing end face (602) has at least one blocking element (539), wherein the at least one blocking element (539) in the working position against a a free end (143) of the holding device (140) arranged limiting collar (542) is acted upon and in the parking position at a free end (143) of the holding device (140) facing the end of the first holding unit (150). Holding device according to claim 13, characterized in that the housing (142) on its inner receptacle (622) has a blocking contour (624) with at least one blocking portion (916) and the at least one blocking element (539) of the second holding unit (170) in the parking position on which at least one blocking portion (916) rests. Holding device according to one of claims 11 to 13, characterized in that an arrangement of the second holding unit (170) from the working position to the parking position by a displacement in the axial direction (804) to the first holding unit (150) and a subsequent rotation in the circumferential direction (806 ) he follows.

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