Disclosure of Invention
The invention relates to a hand-held power tool, in particular a battery screwdriver, comprising a hand-held power tool housing, a tool axis, a drive unit for driving a tool receiver, and an actuating unit for actuating a signal-generating unit, wherein the signal-generating unit is designed to activate the drive unit. It is proposed that the actuating unit has at least one actuating element mounted so as to be movable in a first direction and that the signal-generating unit has at least one signal-generating element mounted so as to be movable in a second direction, wherein the first direction differs from the second direction.
The invention relates to a hand-held power tool, in particular a battery screwdriver, by means of which the convenience of the operator can be increased, in that the actuating unit has at least one actuating element that is mounted so as to be movable in a first direction, and the signal-emitting unit has at least one signal-emitting element that is mounted so as to be movable in a second direction, wherein the first direction differs from the second direction. The hand-held power tool, in particular the battery screwdriver, can thus be made small and compact, so that the operator can use the hand-held power tool, in particular the battery screwdriver, in a wide variety of operating positions that are difficult to access.
The hand-held power tool housing is at least one housing of a hand-held power tool, in particular a screwdriver, which is at least configured for at least partial reception of the drive unit. The hand-held power tool housing may also be provided for at least partially receiving the tool receiver, the rotational direction selection element, the control unit and/or the energy supply unit. In one embodiment, the hand-held power tool housing can have at least two housing elements. The housing elements can be connected to one another, wherein the connection is in particular made by a force-locking and/or form-locking connection. The housing element forms at least in part an outer surface of the hand-held power tool housing. The housing element may be configured, for example, as a housing half-shell part, a front housing part, a cover housing part, etc. It is also conceivable that the hand-held power tool housing comprises more than two housing elements. The hand-held power tool housing, in particular the housing element, also forms an inner surface. The inner surface is essentially configured in the space enclosed between the housing elements.
In the context of the present invention, a "hand-held power tool" is understood to mean, in particular, a hand-guided machine, preferably a battery-operated hand-held power tool. For example, the hand-held power tool can be configured as a screwdriver, a drill screwdriver, a percussion screwdriver, a rotary percussion screwdriver, a drywall screwdriver, a corner drilling machine or a drill/electric hammer. However, a power-grid-operated hand-held power tool is also conceivable.
The drive unit of the hand-held power tool also has a transmission unit in addition to the at least one drive motor. The transmission unit is designed to adapt, in particular reduce and/or increase, the rotational speed of the drive motor. In one embodiment, the transmission unit can be designed as a planetary transmission, wherein it is also conceivable that the planetary transmission can be shifted. The drive motor of the hand-held power tool is configured in at least one operating state to provide a torque for driving the main output shaft. Preferably, the drive shaft extends substantially parallel to a main working direction of the hand-held power tool. In this embodiment, the driving shaft of the driving unit constitutes the tool axis.
The primary and secondary shafts may have tool receivers for receiving the male tools. In one embodiment, the tool receiver can be configured as a receiver, in particular an inner polygonal receiver, in particular a completely inner hexagonal receiver. However, it is also conceivable for the tool receiver of the drive shaft to be embodied as a receiver. The tool receiver of the drive shaft is the output of the drive train of the hand-held power tool and is provided for transmitting torque and/or rotational movement to the tool insert.
The hand-held power tool, in particular a battery screwdriver, comprises an energy supply unit for supplying energy to a drive unit, in particular a drive motor. Preferably, the hand-held power tool relates to a battery-operated hand-held power tool, which can be operated by means of at least one battery, in particular by means of a battery pack of the hand-held power tool. Whereby energy is provided by the energy supply unit by means of the at least one battery. In the context of the present invention, a "hand-held power tool battery" is understood to mean a combination of at least one battery cell and a battery pack housing. The battery pack of the hand-held power tool is advantageously designed to supply the battery-operated hand-held power tool that is normally sold with energy. The at least one battery cell may be configured, for example, as a lithium ion battery cell having a nominal voltage of 3.6 volts. In this embodiment of the invention, the at least one battery is arranged, in particular mounted, completely in particular mounted, in the housing of the hand-held power tool in a manner fixed to the housing. However, in an alternative embodiment, it is also possible for the at least one battery to be configured as a replaceable battery, in particular as a replaceable battery pack of a hand-held power tool. Alternatively, the hand-held power tool may be a mains-operated hand-held power tool, which can be connected to an external mains socket by means of a power supply line. The external network socket can provide a voltage of, for example, 100 volts, 110 volts, 120 volts, 127 volts, 220 volts, 230 volts or 240 volts with 50 hz or 60 hz, but three-phase ac voltages are also possible. Possible configurations of external grid jacks and the available voltages associated therewith are well known to those skilled in the art. The invention is thus not limited to the type of energy supply unit.
The rotational direction selection element is configured for setting at least one rotational direction of the drive unit. In particular, the rotational direction selection element is provided for being switchable between a clockwise rotational direction and a counter-clockwise rotational direction. In an embodiment, the rotational direction selection element may also have a rotational direction neutral position in which the drive unit may be operated without a rotational direction. In an embodiment, the rotation direction selection element may be configured as a rotation direction selection switch. The rotation direction selection element is further arranged for transmitting signals for selecting the clockwise rotation direction, the counter-clockwise rotation direction and the neutral position of the rotation direction to the control unit.
The control unit of the hand-held power tool is provided for controlling and/or regulating the drive unit, in particular the drive motor. For this purpose, the control unit receives signals from the signal-giving unit. The actuating unit is configured to be actuated by an operator and to transmit the mechanical actuation to the signal-giving unit. The signal-giving unit converts the mechanical manipulation into a signal, in particular an electrical signal. The signal giving unit then transmits the signal to the control unit. The control unit receives, processes and controls and/or adjusts the drive unit based on the signal of the signal giving unit.
The actuating element of the actuating unit is mounted so as to be movable relative to the hand-held power tool housing and can be actuated by an operator in a first direction. The operator can actuate the actuating element by means of at least one finger in a first direction in order to control and/or adjust the hand-held power tool. The first direction may be relative to the tool axis and may be parallel to the tool axis in one embodiment. The first direction is configured in such a way that an intuitive movement direction for the operator of the actuating element is possible, so that the operator can perform his desired movement directly with the aid of the hand-held power tool, in particular the battery screwdriver. However, it is also conceivable that the first direction is transverse, in particular substantially perpendicular, to the tool axis.
The signal-generating element of the signal-generating unit is mounted so as to be movable relative to the hand-held power tool housing and is actuated in a second direction by the actuating unit. The second direction is here relative to the tool axis and may in an embodiment be transverse to the tool axis. It is also conceivable that the second direction is parallel or substantially perpendicular to the tool axis.
In one embodiment, the second direction is configured to be angled with respect to the first direction. Furthermore, the first direction is arranged at an angle in the range of 1 ° to 15 °, in particular in the range of 2 ° to 10 °, in particular entirely in the range of 3 ° to 8 °, with respect to the second direction. Due to the arrangement of the second direction at an angle to the first direction, the hand-held power tool, in particular the hand-held power tool housing, can be made more compact. At the same time, by means of this angled arrangement, a reliable actuation of the signal-giving unit by the actuating unit is enabled.
In one embodiment, the actuating element has at least one actuating surface, wherein the actuating surface is arranged at an angle in the range of 60 ° to 90 °, in particular in the range of 65 ° to 85 °, in particular in the range of 70 ° to 80 °, with respect to the tool axis. Furthermore, the actuating element forms an actuating surface, so that the actuating element and the actuating surface can be constructed in one piece. The control surface is shaped in such a way that the operator can place at least one finger on the control surface in an ergonomic and intuitive manner for using the hand-held power tool.
In one embodiment, the actuating unit has at least one receiving element for receiving the signal-generating element, wherein the receiving element comprises a receiving surface and the receiving surface is arranged at an angle in the range of 70 ° to 110 °, in particular in the range of 80 ° to 105 °, in particular in the range of 90 ° to 100 °, with respect to the tool axis. The receiving element is designed to establish an operative connection between the actuating unit and the signal-generating unit, in particular the signal-generating element. The signal-generating element can be positively locking, force-locking and/or material-locking by the receiving element. It is also conceivable that the signal-giving unit has at least one spring element for loading the signal-giving element. The signal-generating element can be attached to the receiving element via the receiving surface or can be supported on the receiving surface. The spring element enables the actuating unit, in particular the actuating element, to be placed in the neutral position after the actuating unit and the signal-generating unit have been actuated. In the neutral position, the actuating element can be actuated again by the operator. It is also conceivable for the actuating unit to have at least one spring element for resetting the actuating element into the neutral position. In a configuration in which the signal-generating element is resting or supported on the receiving element, it is possible to realize: the receiving surface is at least partially polished to at least reduce, in particular minimize, friction between the signal-giving element and the receiving element by the receiving surface. The receiving element may be arranged substantially parallel to the actuating element, wherein the arrangement of the receiving element may be substantially opposite the actuating element in an axial direction relative to the tool axis. It is conceivable for the actuating element and the receiving element to be constructed in one piece, wherein a two-part design is also possible.
In one embodiment, the control surface and the receiving surface enclose an angle in the range of 3 ° to 25 °, in particular in the range of 5 ° to 20 °, in particular in the range of 10 ° to 18 °. The control surface and the receiving surface are arranged opposite in the axial direction relative to the tool axis. A compact and at the same time easy-to-use hand-held power tool is provided by an angle in the range of 3 ° to 25 °, in particular in the range of 5 ° to 20 °, in particular completely in the range of 10 ° to 18 °.
In one embodiment, the actuating unit has at least one first guide strip, and the hand-held power tool housing comprises at least one guide groove, wherein the guide groove supports the first guide strip for guiding the actuating unit, in particular in the axial direction. The first guide strip is formed on the actuating unit essentially transversely to the tool axis. Preferably, the first guide strip is formed in one piece with the actuating unit, wherein it is also conceivable for the first guide strip to form a form-locking, force-locking and/or material-locking connection with the actuating unit. It is also possible to provide two first guide strips. The guide groove is formed on the hand-held power tool housing, in particular on the housing element, substantially parallel to the tool axis. The guide groove is furthermore shaped in such a way that it receives the first guide strip in a form-fitting manner and supports it in a movable manner. The movable support of the first guide strip by the guide groove enables guiding of the actuating unit, in particular in the axial direction. The guide groove is formed in the hand-held power tool housing, in particular in one of the housing elements, by at least two guide groove elements. The guide slot element can be formed in one piece with the hand-held power tool housing. It is conceivable to construct four guide slot elements for guiding the first guide strip, in particular in the axial direction. It is also conceivable for the guide slot elements to be formed on one of the housing elements each. The first guide strip and the guide groove enable a safe and reliable guidance of the handling unit during handling of the handling unit.
In one embodiment, the actuating unit has at least one second guide strip, and the hand-held power tool housing comprises at least one guide rail, wherein the second guide strip rests on the guide rail for guiding the actuating unit, in particular in the axial direction. The second guide strip is formed on the actuating unit essentially transversely to the tool axis. Preferably, the second guide strip is formed in one piece with the actuating unit. It is also possible for the second guide strip to form a form-locking, force-locking and/or material-locking connection with the actuating unit. It is also conceivable to construct two second guide strips. The guide rail is formed on the hand-held power tool housing, in particular one of the housing elements, substantially parallel to the tool axis. The guide rail is furthermore shaped in such a way that the second guide rail rests on the guide rail and is mounted so as to be movable on the guide rail. The movable support of the guide rail to the second guide rail enables the actuating unit to be guided, in particular axially. In addition, the guide rail enables the actuating unit to be moved axially in a safe and reliable manner and prevents a rotational movement of the actuating unit, in particular of the actuating element. The guide rail is molded onto the hand-held power tool housing, in particular one of the housing elements, and is in one embodiment formed in one piece with the hand-held power tool housing, in particular one of the housing elements. It is conceivable that the guide rail is formed on one of the housing elements each. The second guide strip and the guide rail enable a safe and reliable guiding of the handling unit, in particular in the axial direction, during handling of the handling unit.
The first guide strip has a smaller radial distance from the tool axis than the second guide strip. By means of the different radial distances of the first and second guide strips from the tool axis, a safe and reliable axial guidance of the actuating unit is ensured.
In one embodiment, the actuating unit has at least one cover element, and the hand-held power tool housing comprises at least one cover receiving element, wherein the cover receiving element receives the cover element in a form-fitting manner, in particular, for stabilizing the first direction. The cover element is designed to be matched, in particular compatible, to the cover receiving element, in particular to be received in a form-fitting manner, for stabilizing the first direction. The cover element and/or the cover receiving element may be configured substantially c-shaped. It is also conceivable for the cover element and/or the cover receiving element to be of polygonal design. Furthermore, the cover element can be shaped like a ramp and the cover receiving element can be shaped like a wedge. Furthermore, the cover element and the cover receiving element may be shaped substantially transversely to the tool axis. The cover element can be constructed in one piece with the actuating unit. Furthermore, the cover receiving element can be formed in one piece with the hand-held power tool housing.
The cover element and the cover receiving element are provided to prevent dirt particles from penetrating into the hand-held power tool housing in the unactuated state. Furthermore, the cover element and the cover receiving element are configured such that they ensure that the at least one finger of the operator is not pinched during manipulation of the manipulation unit.
In one embodiment, the actuating element, the receiving element, the first guide strip, the second guide strip and the cover element are formed in one piece. A compact actuating unit can thereby be provided which can be actuated reliably at the same time.
In one embodiment, the hand-held power tool housing has a handle, and the signal-generating unit comprises a signal-generating unit volume, wherein at least 50%, in particular 75%, in particular 80%, of the signal-generating unit volume is arranged between the tool axis and the handle. The handle is designed to be gripped by an operator, so that the operator can reliably guide and use the hand-held power tool with at least one hand. When the hand-held power tool is in use, the operator essentially completely grips the handle. The handle extends substantially in a manner directed away from the tool axis in a radial direction. The signal-giving unit is arranged substantially in a radial direction with respect to the tool axis. The signal giving unit volume is the volume of the signal giving unit. The signal-generating unit, in particular the signal-generating unit volume, is arranged essentially between the tool axis and the handle, so that the hand-held power tool, in particular the hand-held power tool housing, can be formed particularly compactly and lightly.
Detailed Description
Fig. 1 shows a hand-held power tool 100, which in this embodiment is embodied as a battery-operated hand-held power tool 100, in this case, as an example, as a battery-operated screwdriver. It is noted that the present invention is not limited to battery powered screwdrivers. The invention can be used in various hand-held power tools having a control unit 160 and a signal-generating unit 170 according to the invention. Furthermore, the invention can be used not only in a power-grid-independent hand-held power tool, i.e., a battery-operated hand-held power tool, but also in a power-grid-operated hand-held power tool, i.e., a power-grid-operated hand-held power tool, and/or in a non-electrically operable hand-held power tool. The hand-held power tool 100 has a drive unit 120 and a drive shaft 126, which has a tool receiver 128, as shown in the drawing. In this embodiment, the drive shaft 126 of the drive unit 120 forms the tool axis 112. The hand-held power tool 100 has a hand-held power tool housing 110, wherein the hand-held power tool housing 110 here encloses a drive unit 120 in the illustration. The driving unit 120 further includes a driving motor 121 and a transmission unit 122. The transmission unit 122 may be configured as at least one planetary transmission that is switchable. The transmission unit 122 is connected to the drive motor 121 via a motor shaft 123. The transmission unit 122 is provided for converting the rotation of the motor shaft 123 into rotation between the transmission unit 122 and the tool receiver 128 via the master-slave shaft 126. In the illustration, the drive motor 121 and the transmission unit 122 are arranged directly in the hand-held power tool housing 110 in the manner of an open frame construction. The drive motor 121 is configured as an electronically commutated motor. Advantageously, the drive motor 121 may be electronically controlled and/or regulated so that reverse operation and desired rotational speeds may be achieved.
Preferably, the tool receiver 128 is formed and/or configured on the primary drive shaft 126. The tool receiver 128 is in this case embodied as a socket-type receiver of the type of a screwdriver bit holder, which is provided for receiving a tool insert. The male tool is formed with a polygonal outer coupling portion according to the type of screwdriver bit. The type of screwdriver bit, for example, in HEX type, is well known to those skilled in the art. The invention is not limited to use with HEX-driver bits but may be used in other tool receivers that would be considered interesting by those skilled in the art, such as in HEX-bits or SDS-Quick-insertion tools. Furthermore, the construction and operation of suitable head holders is well known to those skilled in the art.
The hand-held power tool 100 further has an energy supply unit 140 for supplying energy to the drive unit 120. In this embodiment, the energy supply unit 140 includes at least one storage battery for driving the driving unit 120. Thus, energy is provided by the at least one energy supply unit 140 by means of the at least one battery. The at least one battery is arranged in a housing-fixed manner substantially in a hand-held power tool housing 110 of the hand-held power tool 100. The hand-held power tool 100 has a charging unit, which is not shown in detail. The charging unit may be connected to a power grid and configured to charge the energy supply unit 140.
The hand-held power tool housing 110 supports the drive unit 120 in the assembled state and thus protects the drive unit 120 from environmental influences such as dust, moisture, radiation and/or impacts. In addition, the hand-held power tool housing 110 is configured in a pistol-like manner, wherein it is also conceivable for the hand-held power tool housing 110 to be configured in a T-shape. The hand-held power tool housing 110 comprises a handle 111. The handle 111 is configured for being gripped by an operator's hand for use of the hand-held power tool 100. The hand-held power tool 100 is designed to be held by hand for use.
Furthermore, the hand-held power tool housing 110 has two housing elements 113. In this embodiment, the housing elements 113 can be connected to one another in a form-locking manner and can be screwed down by means of screws, not shown. Furthermore, the housing element 113 forms an outer surface 114 of the hand-held power tool housing 110. Furthermore, the housing element 113 forms an inner surface 115 of the hand-held power tool housing 110.
In this embodiment, the hand-held power tool housing 110 receives at least the drive unit 120, the rotational direction selection element 124, the control unit 150, the drive shaft 126 and the energy supply unit 140.
The rotational direction selection element 124 is in this embodiment configured as a rotational direction selection switch and is provided for setting the rotational direction of the drive unit 120. The hand-held power tool housing 110 receives a rotational direction selection element 124. The rotation direction selection element 124 is switchable between a clockwise rotation direction and a counter-clockwise rotation direction of the drive unit 120. The rotational direction selection element 124 also has a rotational direction neutral position in which the drive unit 120 can be operated without rotational direction. The rotation direction selection element 124 transmits the clockwise rotation direction, the counterclockwise rotation direction and the adjustment of the neutral position of the rotation direction to the control unit 150.
The hand-held power tool 100 comprises a control unit 150. The control unit 150 controls and/or regulates the drive unit 120, in this embodiment the drive motor 121. Furthermore, the hand-held power tool 100 has a control unit 160 that can be controlled by an operator. When the operator manipulates the manipulation unit 160, the manipulation unit 160 transmits the mechanical manipulation to the signal giving unit 170. The signal-giving unit 170 then converts the mechanical manipulation into an electrical signal. The signal giving unit 170 then conducts the electrical signal to the control unit 150. The control unit 150 is configured such that it receives, processes and controls and/or adjusts the drive unit 120 in accordance with the electrical signal and the adjustment of the rotational direction selection element 124.
The actuating unit 160 has an actuating element 162 which is mounted so as to be movable relative to the hand-held power tool housing 110. The steering element 162 is operable by an operator in the first direction 102. The operator can control and/or adjust the hand-held power tool 100 by actuating the actuating element 162 in the first direction 102 by means of at least one finger. In this embodiment, the first direction 102 is oriented parallel to the tool axis 112. Furthermore, the actuating element 162 comprises an actuating surface 164. The control surface 164 is oriented at an angle 105 in the range of 60 ° to 90 ° relative to the tool axis 112. In this case, the actuating element 162 and the actuating surface 164 are formed in one piece. The control surface 164 is used to hold one or more fingers of an operator.
The signal-giving unit 170 has a signal-giving element 172, see also fig. 2. The signal-generating element 172 is mounted so as to be movable relative to the hand-held power tool housing 110. Furthermore, the signal-emitting element 172 can be actuated in the second direction 104 by the actuating unit 160. In this embodiment, the second direction 104 is transverse to the tool axis 112. The second direction 104 is in this embodiment oriented at an angle with respect to the first direction 102. Here, the first direction 102 and the second direction 104 enclose an angle 103 in the range of 1 ° to 15 °. The signal-giving unit 170 has a signal-giving unit volume. At least 50% of the signal giving unit volume is arranged between the tool axis 112 and the handle 111, see also fig. 2.
Fig. 2 shows a detail 300 of a section through hand power tool 100. The steering unit 160 comprises a receiving element 166 for receiving a signal giving element 172. Here, the receiving element 166 has a receiving surface 168, see also fig. 3. The receiving face 168 is at an angle 106 in the range of 70 ° to 110 ° relative to the tool axis. In this embodiment, the receiving element 166 forms an operative connection between the actuating unit 160 and the signal-generating unit 170. The signal-giving unit 170 comprises a spring element, not shown in detail, for loading the signal-giving element 172. In this embodiment, signal-generating element 172 rests against receiving element 166 via receiving surface 168. After the actuation of the actuating unit 160 and the signal-generating unit 170, the spring element guides the actuating element 162 into the neutral position. The neutral position allows the operator to re-manipulate the steering element 162. In this embodiment, the receiving surface 168 is at least partially polished to at least reduce friction between the signal-imparting element 172 and the receiving element 166 by the receiving surface 168. The receiving element 166 is arranged essentially opposite the actuating element 162 in the axial direction relative to the tool axis 112. In this embodiment, the actuating element 162 and the receiving element 166 are constructed in one piece.
Furthermore, the handling unit 160 comprises a cover element 169. The hand-held power tool housing 110 has a cover receiving element 116. The cover receiving element 116 receives the cover element 169 in a form-fitting manner for stabilizing the first direction 102. In this embodiment, the cover element 169 is shaped to fit over the cover receiving element 116. The cover receiving element 116 receives the cover element 169 in a form-fitting manner, so that the actuating element 162 can be guided safely and reliably relative to the hand-held power tool housing 110. This serves to stabilize the first direction 102. In this embodiment, the cover element 169 and the cover receiving element 116 are substantially c-shaped and arranged substantially transversely to the tool axis 112. Furthermore, the cover element 169 is shaped like a ramp, see fig. 4. And the cover receiving element 116 is configured wedge-shaped, see fig. 3. In this embodiment, the cover element 169 is constructed in one piece with the actuating unit 160. The cover receiving element 116 is formed in one piece with the hand-held power tool housing 110.
Fig. 3 shows two views of the operating unit 160. Fig. 3a shows a longitudinal section through the actuating unit. The control surface 164 and the receiving surface 168 here enclose an angle 167 in the range of 3 ° to 25 °. In this embodiment, the control surface 164 and the receiving surface 168 are arranged opposite in the axial direction relative to the tool axis 112. In fig. 3b a front view of the handling unit 160 is shown. The actuating unit 160 comprises first guide strips 174, wherein in this embodiment two first guide strips 174 are formed. The hand-held power tool housing 110 has a guide slot 176, see fig. 4. In this embodiment, the hand-held power tool housing 110 comprises two guide grooves 176, wherein each housing element 113 forms a guide groove 176. The guide groove 176 supports the first guide bar 174 for guiding the manipulating unit 160 in the axial direction. In this embodiment, the first guide strip 174 is formed on the actuating unit 160 essentially transversely to the tool axis 112. The first guide strip 174 is in this embodiment formed in one piece with the actuating unit 160.
As shown in fig. 3b, the steering unit 160 includes a second guide bar 178. In this embodiment two second guide strips 178 are provided. The hand-held power tool housing 110 has a guide rail 180, see fig. 4. In this embodiment, the hand-held power tool housing 110 comprises two guide rails 180, wherein each housing element 113 forms a guide rail 180. The second guide strip 178 bears against a guide rail 180 for guiding the actuating unit 160 in the axial direction. In this embodiment, the second guide strip 178 is formed on the actuating unit 160 essentially transversely to the tool axis 112. In this embodiment, the second guide strip 178 is formed integrally with the actuating unit 160. In this embodiment, the first guide strip 174 has a reduced radial spacing from the tool axis 112 as compared to the second guide strip 178. Furthermore, the actuating element 162, the receiving element 166, the first guide strip 174, the second guide strip 178 and the cover element 169 are integrally formed.
Fig. 4 shows a cross-sectional view of the hand-held power tool housing 110. In this case, the guide groove 176 is shown to be formed on the hand-held power tool housing 110 substantially parallel to the tool axis 112. The guide groove 176 is shaped such that it receives the first guide strip 174 in a form-locking manner for movable support. The guide groove 176 thereby makes it possible to guide the actuating unit 160 in the axial direction by means of the first guide strip 174. In this embodiment, the guide slot 176 is formed by means of four guide slot elements 177. The guide slot element 177 is in this case one piece with the hand-held power tool housing 110. In this embodiment, the two housing elements 113 each have four guide slot elements 177. The guide rail 180 is formed on the hand-held power tool housing 110 substantially parallel to the tool axis 112. Furthermore, the second guide rail 178 rests on a guide rail 180 for movable support relative to the hand-held power tool housing 110. Thereby enabling the second guide bar 178 to be guided in an axial direction by the guide rail 180. In this embodiment, each housing element 113 forms a guide rail 180, wherein the guide rail 180 is one-piece with the housing element 113.