CN101786187A - Guiding device - Google Patents

Abstract

The invention relates to a guide device for hand-held power tools (12a-12c), in particular for jigsaws (14a-14c), with a guide device provided for directly receiving and guiding a plug-in tool (18a-18c) guide unit (16a-16c), and with a shield device (20a-20c), the invention proposes, this shield device (20a-20c) has a main direction of extension (22a-22c) and The guide unit (16a-16c) has a main extension direction (24a-24c), wherein the main extension direction (24a-24c) of the guide unit (16a-16c) is at least substantially parallel to the shielding means (20a-24c). The main extension direction (22a-22c) of 20c) extends.

Description

Guiding device

technical field

The invention relates to a guide for a hand-held power tool.

Background technique

A guide device for a hand-held power tool, in particular a jigsaw, has already been proposed, with a guide unit provided for directly receiving and guiding a plug-in tool, and with a guard means.

Contents of the invention

The invention relates to a guide device for a hand-held power tool, in particular a jigsaw, with a guide unit provided for directly receiving and guiding a plug-in tool, and with a guard means.

)。“导向单元的主延伸方向”由导向单元的与插装式刀具接触的区域定义。“基本上平行”这一用语尤其应理解为导向单元的主延伸方向的取向，该取向优选从护罩器件的主延伸方向偏离小于15°、有利地小于10°和尤其优选小于5°。此外，导向单元的主延伸方向基本上垂直于插装式刀具的往复运动方向取向。此外，在加工工件的过程中，导向单元优选在切口下侧上延伸。此外，“设置”应理解为专门地配备和/或设计。通过根据本发明的设计方案，该插装式刀具的导向件可以结构简单地与例如手持式工具机的结构现状相适配并因此能提供一种尤其可靠的导向。The invention provides that the hood part has a main extension direction and the guide unit has a main extension direction, wherein the main extension direction of the guide unit extends at least substantially parallel to the main extension direction of the hood part. In this context, a "guide unit" is to be understood in particular as a unit which largely prevents a deflection of the insert tool, for example in particular a jigsaw blade, and/or prevents the insert tool from deviating from the obtained The cutting line and thus ensure a neat and user-oriented implementation of the work result, for example a precise cut, by precisely maintaining the desired cutting line, and/or ensure that the insert tool is guided for a predetermined secant. A “guard component” is to be understood here in particular as a component, such as a housing of a hand-held power tool and/or such as a resting device, which defines the orientation of the guide unit. Furthermore, in this context, "direct reception" is to be understood in particular as a contact-promoting reception, wherein the guide unit contacts at least one side of the insert tool, for example the back of a saw blade, preferably at least two sides, for example the back of the saw blade. two sides (

). The "main direction of extension of the guide unit" is defined by the region of the guide unit which is in contact with the insert tool. The term "substantially parallel" is to be understood in particular as an orientation of the main extension direction of the guide unit, which preferably deviates from the main extension direction of the hood means by less than 15°, advantageously by less than 10° and especially preferably by less than 5°. Furthermore, the main direction of extension of the guide unit is oriented substantially perpendicularly to the direction of reciprocation of the cartridge tool. Furthermore, the guide unit preferably extends on the underside of the cutout during machining of the workpiece. Furthermore, "provided" should be understood as specially equipped and/or designed. By virtue of the embodiment according to the invention, the guide of the insert tool can be adapted in a structurally simple manner to, for example, the actual construction of a hand-held power tool and thus provides a particularly reliable guide.

In addition, it is proposed that the guide unit is arranged to substantially prevent the movement of the insert tool in a direction perpendicular to the main extension direction of the shield device and perpendicular to the reciprocating direction of the reciprocating device, thereby reducing the vibration of the insert tool by more than 90%. and/or deflection of the insert tool due to lateral forces caused by tool tolerances due to tool inhomogeneity can be suppressed to a large extent, which leads directly to a particularly straight cut oriented and thus lead to satisfactory work results.

If the guide unit has at least one guide element which is provided to at least partially receive the insert tool, the guide of the insert tool can be carried out in a particularly stable, safe, precise and cost-effective manner. . In this context, a "guide element" is to be understood in particular as an element which, through its contact with the inserted tool on at least two sides of the inserted tool, preferably guides the inserted tool relative to the guard means and /or the housing is held and/or fixed in the desired position. “Accepting a tool insert” is to be understood as meaning, in particular, the support of the tool tool and/or the absorption and/or removal of forces acting by the tool tool. The term "at least partially" is to be understood in particular to mean that an area of the insert tool is received which is sufficient to securely fix the insert tool in a defined position relative to the guard means. The guide element can be formed by a channel, a slot, a roller, for example a conventional support roller, a U-shaped profile, a component with a U-shaped profile, and/or other means considered suitable by the person skilled in the art.

Furthermore, it is proposed that the guide unit has at least one elastic element which is provided for pretensioning the guide element. A "elastic element" is to be understood as meaning, in particular, an element, such as a spring and/or other elements deemed appropriate by a person skilled in the art, which is able to convert the energy stored in it into a movement. The spring is preferably designed as a helical spring. By means of the elastic element, the advancing movement of the guide element can be easily synchronized with the movement of the hand-held power tool on the guide means, or a concomitant guiding of the guide element can be realized cost-effectively by means of the elastic element.

Furthermore, it may be advantageous if the guide unit has at least one bearing element in which at least the guide element is guided. In this context, "support element" is to be understood as an element which takes up the bearing forces of the guide element and/or of other components (eg spring elements) and/or defines and/or limits the range of movement of the associated element. The support element is preferably designed as a guide rail. By enabling support elements, for example guide elements, a more secure and targeted movement is possible.

Furthermore, it is advantageous if the guide device has a guide assembly and the guide unit is formed at least partially in one piece with the guide assembly. In this context, a "guide assembly" is to be understood in particular as an assembly which guides the hand-held power tool and/or supports the hand-held power tool during work, for example during machining of a workpiece or during cutting. The gravity of the machine tool. The expression "at least partially in one piece" is to be understood in particular that at least one component of the guide unit and a component of the guide assembly can only be separated from one another when at least one of these components loses its function. A particularly compact, component-saving arrangement can be provided by the one-piece design.

In a further refinement it is provided that the guide device has at least one bearing unit for supporting the workpiece, wherein the guide unit is at least partially integrated in the bearing unit. A “carrier unit” is to be understood here in particular as a unit on which the workpiece is supported and/or via which the weight of the workpiece is absorbed, at least during the cutting process. The expression "at least partially integrated" is to be understood to mean, in particular, that at least one component of the guide unit and a component of the support unit are formed in one piece. The integration in the carrier unit makes it possible to provide a space-saving assembly by means of which the cartridge tool can be guided in an expedient and structurally simple manner to the workpiece to be machined.

Furthermore, the invention relates to a hand-held power tool, in particular a jigsaw, with a guard means and at least one guide unit, which is provided for directly receiving and guiding a plug-in tool.

The invention provides that the hood part has a main extension direction and the guide unit has a main extension direction, wherein the main extension direction of the guide unit is at least substantially parallel to the main extension direction of the hood part. In this case, the guard device is preferably formed by the housing of the hand-held power tool.

Furthermore, it is advantageous if the hand-held power tool has at least one fastening element, which is provided for fastening the guide unit to at least one slide element. In this context, a “fixing element” is to be understood in particular as an element which serves for positionally fixed fixing of the guide unit. Preferably, the fastening element is designed to be detachable from the sliding element and/or can be fastened by means of a thread. In principle, however, all material-fitting, force-fitting and/or form-fitting types of fastening that are considered suitable by the person skilled in the art are also conceivable and/or fastening to another component of the hand-held power tool is conceivable. . Furthermore, the fastening element can also be formed in one piece with the guide unit. A “sliding element” is to be understood in particular as an element, such as a slide, which is used for supporting and/or guiding a hand-held power tool, for example, on a working surface and/or on other means deemed expedient by the skilled person. By implementing the fastening element, the guide unit can be fastened particularly reliably and robustly to the hand-held power tool.

In a further configuration of the invention it is provided that the fastening element extends substantially perpendicularly to the main extension direction of the hood means or of the housing. The term "substantially perpendicular" is to be understood in particular as an orientation of the fastening element which preferably deviates by less than 15°, advantageously by less than 10° and especially preferably by less than 5° from the main direction of extension of the cover means. Through the vertical arrangement, a particularly effective transmission and/or removal of force from the insert tool to the sliding element can be achieved.

Furthermore, the invention relates to a system having a hand power tool and a guide arrangement provided for guiding at least the hand power tool, the hand power tool having a guide unit.

The invention proposes that the guard part of the hand-held power tool has a main extension direction and the guide unit has a main extension direction, wherein the main extension direction of the guide unit extends at least substantially parallel to the main extension direction of the guard part. Through the embodiment of the parallel arrangement according to the invention, the hand-held power tool with the guide unit can be used in a structurally simple manner together with the guide assembly, so that workpieces can be machined particularly comfortably and a neater work result can be achieved.

Furthermore, it is proposed that the guide element of the guide assembly is mounted pivotably over an angular range of at least 90°. In this context, a “guide means” is to be understood in particular as a part of a guide assembly which directly contacts the hand power tool during machining of a workpiece and/or predetermines the direction of movement of the hand power tool. In this case, when using a hand power tool with a guide assembly, the guide unit is mounted pivotably via the guide means, so that the hand power tool can be oriented in a structurally simple and operator-friendly manner for carrying out targeted cuts .

Furthermore, the invention relates to a guide unit for a plug-in tool for a hand-held power tool, in particular for a jigsaw.

The invention proposes that the guide unit has two main bodies, each of which has a main direction of extension, which are arranged substantially perpendicularly to one another. In this case, one base body is preferably designed as a fastening element on the hand-held power tool or on the sliding element, and the other base body is preferably designed to directly contact the insert tool, so that the insert tool and the hand-held Coordinated force transmission between machine tools.

Furthermore, it is proposed that at least one of the base bodies has a guide element which is provided for at least partially receiving the insert tool. The guide element is preferably designed as a U-shaped profile and receives a part of the insert tool at least on both sides, in particular on both sides of the saw blade. Also conceivable is a supporting mounting on a third side, for example the back of the saw blade. Through the configuration according to the invention, it is possible to provide a support device which is open in the processing direction and which allows a comfortable and operator-friendly insertion of the tool insert.

Furthermore, the invention relates to a plug-in tool, in particular a jigsaw blade, for a hand-held power tool and for a guide device.

)，但是能够结构简单地、精确地对插装式刀具进行导向。The invention proposes that the insert tool has an end region which is designed toothless for insertion into the guide element. In this context, an "end region" is to be understood as a region of the cartridge tool which is arranged at an end opposite the corresponding end of the tool receiver and which is therefore located in the center of the cartridge tool. Point away from the tool holder when installed in the hand power tool. Furthermore, the end region extends over a length of the cartridge tool which corresponds to a length of more than 3 teeth, advantageously more than 4 teeth and preferably more than 5 teeth. Through this toothless design, although the teeth are bifurcated (

), but enables a structurally simple and precise guidance of the cartridge tool.

Description of drawings

Further advantages emerge from the following description of the figures. Embodiments of the invention are depicted in the drawings. The drawings, description and claims contain a considerable number of features in combination. Expediently, the skilled person can consider these features individually and combine them into other relevant combinations.

which shows:

FIG. 1 shows a hand-held power tool with a guide unit having two base bodies;

FIG. 2 shows a guide assembly with guide means for guiding the hand-held power tool from FIG. 1 ;

FIG. 3 shows a system with the hand-held power tool from FIG. 1 and the guide assembly from FIG. 2 , the hand-held power tool having a guide unit;

Fig. 4 schematically shows a guide device with a guide assembly and a guide unit designed integrally with the guide assembly;

FIG. 5 shows an alternative guide for a cartridge tool with a toothless end region;

FIG. 6 shows the cartridge tool of FIG. 5 in detail.

Detailed ways

FIG. 1 shows a perspective view of a guide device 10 a for a hand-held power tool 12 a in the form of a jigsaw 14 a with a guide unit 16 a and a guard part 20 a designed as a hand tool. The housing 66a of the machine 12a, and a drive motor not shown in detail here is arranged in the shield device. The guide unit 16a has a main extension direction 24a that runs parallel to the main extension direction 22a of the hood part 20a or of the housing 66a, wherein the guide unit 16a is provided for directly receiving and guiding the insert tool 18a.

Furthermore, the jigsaw 14a has a drive unit 68a which provides a reciprocating movement in the reciprocating direction 28a, so that the reciprocating means 30a, for example a reciprocating rod, is driven in a continuous lifting motion during the working operation of the jigsaw 14a. The reciprocating device 30a has a knife receiver 70a, which carries a plug-in knife 18a in the form of a jigsaw blade 62a.

On the lower side 72a of the housing 66a, which is assigned to the tool holder 70a, a sliding element 46a in the form of a slide is arranged, the guide unit 16a for the insert tool 18a being detachably fastened via a thread not shown in detail. on the sliding element. The guide unit 16 a has two base bodies 54 a , 56 a each having a main direction of extension 58 a , 60 a which are arranged perpendicularly to one another. The guide unit 16a or the base body 56a has a guide element 32a constructed integrally with the guide unit 16a or with the base body 56a, which guide element is configured as a U-shaped profile, wherein the arms 74a of the U (only in FIG. 1 One arm is shown) each extend along a saw blade side 76a in the main direction of extension 24a, and the bottom part of the U (not shown in detail) extends perpendicularly to the main extension direction 24a along the saw blade back 78a. By arranging the profile of the U-shaped profile on three sides of the insert tool 18a, the guide element 32a receives the insert tool 18a with a width 80a which corresponds to the width 80a of the guide element 32a, thereby enabling The base body 56a assumes a guiding function. By means of the guide element 32a or by inserting the insert tool 18a into the profile of the U-shaped profile, the guide unit 16a can prevent the insert tool 18a from moving in a direction 26a which is perpendicular to the or The main extension direction 22a of the housing 66a is perpendicular to the reciprocating direction 28a of the reciprocating means 30a.

For this purpose, the hand-held power tool 12a or the guide unit 16a has a fastening element 44a which fixes the guide unit 16a to the slide element 46a via a thread (not shown). The fastening element 44a is formed by a base body 54a and thus extends perpendicularly to the main direction of extension 22a of the hood part 20a or of the housing 66a. Furthermore, the fastening element 44a determines a maximum working depth 82a through its arrangement relative to the tool receptacle 70a, whereby only the insert tool 18a penetrates the workpiece 42a during machining of the workpiece 42a.

FIG. 2 shows a perspective view of a guide assembly 38 a for guiding the hand-held power tool 12 a including the guide unit 16 a and for carrying out the incision 84 a with a straight cutting line in the workpiece 42 a. For this guidance, the guide assembly 38a has a guide element 50a, which is designed as a metallic slide, on the upper side 86a of which the hand-held power tool 12a can be mounted or on its sliding element 46a. The direction of movement or working direction 88a is guided. Furthermore, the guidance is ensured by a guide groove 90a which extends along the guide element 50a in the working direction 88a and which is guided by the insert tool 18a and the guide unit 16a when viewed in the reciprocating direction 28a during operation. through (see Figure 3). On the end 92a of the guide element 50a, on the lower side 94a, a fixing element 96a in the form of a rod is arranged perpendicularly to the guide element 50a, which connects the guide element 50a to a resting device 98a, which is used, for example, on a table. The work surface supports guide assembly 38a. An adjusting device 100a in the form of a wooden semicircular disc is provided on the resting device 98a, by means of which the operator can use a joystick 104a arranged on the resting device 98a to adjust on the dial 102a the The desired cutting angle of the cutout 84a in 42a.

In order to support the workpiece 42a, the guide assembly 38a has a wooden support unit 40a, which is formed from an angled component assembly 106a with an abutment component 108a and a support component 110a. The support component 110a is interrupted by a circular component 112a that can be adjusted together with the adjustment device 100a, which also serves as a support surface, in which a slot 114a extending in the working direction 88a is provided, in which During machining of the workpiece 42a, the insert tool 18a is guided in this gap in order to carry out the incision 84a along the working direction 88a and in the reciprocating direction 28a. The circular member 112a can be adjusted by rotating the adjustment means 100a, thus adjusting the gap 84a and thus adjusting the desired cutting angle. By rotation, the guide element 50a of the guide assembly 38a is pivotably mounted over a range 52a of 180° and the guide element is adjusted similarly to the slot 114a, so that the insert tool 18a can be adjusted with respect to the desired cutout 84a. well oriented.

FIG. 3 shows a system 48a with a hand-held power tool 12a with a guide unit 16a and a guide assembly 38a in an arrangement for carrying out an incision 84a through a workpiece 42a, Here, the cutout 84a has been implemented here for the sake of clarity.

Two alternative embodiments of the guide device 10 a or of the guide assembly 38 a are depicted in FIGS. 4 to 6 . Basically identical components, features and functions are in principle provided with the same reference signs. And in order to distinguish these embodiments, letters a to c are added to the reference numerals of these embodiments. The following description is essentially limited to the differences of the exemplary embodiment in FIGS. 1 to 3 , wherein reference is made to the description of the exemplary embodiment in FIGS. 1 to 3 with regard to identical components, features and functions.

4 shows in a sectional view a guide device 10b for a hand-held power tool 12b in the form of a jigsaw 14b with a guide unit 16b and with a guard element 20b integrated in a guide assembly 38b, so that Cuts, not shown here, are made through a workpiece 42b. Together with the hand power tool 12b, the guide unit 16b and the guide assembly 38b form a system 48b.

The guide assembly 38b has a shielding element 20b in the form of a base part 116b, at opposite ends 118b of which extend two arms 120b, 122b extending perpendicularly to the base part 116b. At the respective open end 124b of the arms 120b, 122b, the arms 120b, 122b each form a support surface for the guide element 50b with the guide groove 90b, wherein the hand-held power tool 12b is processing the workpiece 42b The support is guided on the guide means 50b or in the working direction 88b. The guide element 50b is connected via the fixing element 96 to a rest device 98b on which the bottom part 116b of the guide element 38b is supported.

For supporting the workpiece 42b, the guide assembly 38b forms a wooden support unit 40b, the support part 110b of which is oriented perpendicularly to its abutment part 108b formed by the arm 120b. The guide unit 16b is arranged perpendicularly to the contact member 108b on the underside 126b of the support member 110b and connects the two arms 120b, 122b, so that the guide unit 16b is partially formed in one piece with the guide assembly 38b and thus integrated in the support unit 40b middle. With this arrangement, the guide unit 16b is arranged on the lower side of the cutout of the workpiece 42b or below the cutout. Furthermore, the working depth of the cartridge tool 18b is not limited.

)布置的齿130b的刺锯条62b形式的插装式刀具18b无接触地在该距离中被导入。该距离被一导向元件32b跨接，该导向元件支承一U形轮廓的构件132b，该构件借助它的两个臂74b和它的底部部分在三侧上、即在锯条的两个侧面76b和锯条背面78上接收插装式刀具18b。此外，导轨128b是支承元件36b，导向元件32b在该支承元件36b中被导向。此外，用于预紧导向元件32b的导向单元16b具有一弹性元件34b，该弹性元件是微弱地预紧的螺旋弹簧形式，该弹性元件支承在支承元件36b中并被导向。在将手持式工具机12b在导向器件50b上导向的过程中，导向元件32b的进给运动通过弹性元件34b与手持式工具机12b的运动同步。Furthermore, the guide unit 16b has a main direction of extension 24b which extends parallel to the main direction of extension 22b of the bottom part 116b of the shield element 20b or of the guide assembly 38b and which prevents the insert tool 18b from moving in the direction 26b, which direction 26b is oriented perpendicular to the main extension direction 22b of the guard part 20b and perpendicular to the reciprocating movement direction 28b of the reciprocating device 30b of the hand-held power tool 12b, which is only schematically indicated here. The guide unit 16b consists of two guide rails 128b (only one can be seen in FIG. 4 ), which are provided with a distance which extends parallel to the bottom part 116b and which is so wide that it has an inclined ground (

) in the form of a jigsaw blade 62b with arranged teeth 130b 18b is guided in this distance without contact. This distance is bridged by a guide element 32b, which supports a U-shaped profile member 132b which, by means of its two arms 74b and its bottom part, is on three sides, that is, on the two sides 76b and 76b of the saw blade. The back face 78 of the saw blade receives the cartridge cutter 18b. Furthermore, the guide rail 128b is the bearing element 36b in which the guide element 32b is guided. Furthermore, the guide unit 16b for pretensioning the guide element 32b has an elastic element 34b in the form of a weakly pretensioned helical spring which is mounted and guided in the carrier element 36b. During the guiding of the hand-held power tool 12b on the guide means 50b, the advance movement of the guide element 32b is synchronized with the movement of the hand-held power tool 12b via the spring element 34b.

In order to move the guide element 32b into its initial position again after a cut has been made in the workpiece 42 and thus to generate again the pretensioning of the elastic element 34b or the coil spring, the guide assembly 38b has a return pin 134b which is moved away from the One side of the component 132b acts on the guide element 32b, extends in the direction of extension of the spring element 34b or the helical spring and protrudes out of the guide assembly 38b through a hole in the arm 122b.

FIG. 5 shows an optional guide device 10c for a handheld power tool 12c configured as a jigsaw 14c in a sectional view, which guide device has a guide unit 16c formed in one piece with the guide assembly 38c and has an integrated Shield device 20c in guide assembly 38c to perform cuts through workpiece 42c not shown in detail here. The guide unit 16c has a main direction of extension 24c which extends parallel to the main direction of extension 22c of the bottom part 116c of the shield element 20c or of the guide assembly 38c and which prevents the insert tool 18c from moving in the direction 26c. Movement, this direction 26c extends perpendicularly to the main extension direction 22c of the guard means 20c and perpendicularly to the reciprocating movement direction 28c of the reciprocating means 30c of the hand-held power tool 12c , which is only schematically shown here. Here, the guide unit 16c for receiving the insert tool 18c has a guide element 32c formed by a groove 136c. Here, two side faces 138c of the groove 136c (only one end face is depicted in FIG. 5 ) abut against the two saw blade side faces 76c of the insert tool 18c. For this purpose, the insert tool 18c, which is formed by a jigsaw blade 62c, has an end region 64c which is designed toothless for insertion into the guide element 32c. As shown in FIG. 6 , this end region 64c is arranged at an end 140c of the insert tool 18c opposite the end 142c corresponding to the tool receptacle 70c. Furthermore, the end region 64c extends over a length 144c which corresponds to the length 144c of approximately four teeth 130c of the jigsaw blade 62c. Via the toothless end section 62c, the insert tool 18c can be inserted into the groove 136c in contact with the two side faces 138c of the groove 136c, although the sawtooth contour 146c of the insert tool 18c may have a cross-shaped design. . Due to the configuration of the guide unit 16c with the groove 136c, the working depth of the insert tool 18c is not limited.

Claims (15)

1. be used for hand held power machine (12a-12c), guider in particular for thorn saw (14a-14c), this guider has one and is set for direct reception and the pilot unit (16a-16c) of the plug-in cutter (18a-18c) that leads, and have a guard shield device (20a-20c), it is characterized in that, this guard shield device (20a-20c) has a principal spread direction (22a-22c) and this pilot unit (16a-16c) has a principal spread direction (24a-24c), wherein, the principal spread direction (24a-24c) of this pilot unit (16a-16c) extends at least substantially parallel to the principal spread direction (22a-22c) of this guard shield device (20a-20c).

2. according to the guider of claim 1, it is characterized in that this pilot unit (16a-16c) is provided for stoping basically plug-in cutter (18a-18c) perpendicular to the principal spread direction (22a-22c) of guard shield device (20a-20c) and perpendicular to the motion on the direction (26a-26c) of the reciprocal vibration-direction (28a-28c) of device (30a-30c).

3. according to the guider of claim 1 or 2, it is characterized in that this pilot unit (16a-16c) has at least one director element (32a-32c), described director element is provided for receiving at least at least in part this plug-in cutter (18a-18c).

4. according to the guider of one of aforesaid right requirement, it is characterized in that this pilot unit (16b) has at least one flexible member (34b), described flexible member is provided for pretension director element (16b).

5. according to the guider of one of aforesaid right requirement, it is characterized in that this pilot unit (16b) has at least one supporting member (36b), this director element (32b) is directed in described supporting member at least.

6. according to the guider of one of aforesaid right requirement, (38b, 38c), wherein, (16b, 16c) (38b 38c) constructs this pilot unit at least in part integratedly with this guidance set to it is characterized in that a guidance set.

7. the guider that one of requires according to aforesaid right, it is characterized in that being used to support a workpiece (42b, bearing unit 42c) (40b, 40c), wherein, this pilot unit (16b, 16c) be integrated at least in part described bearing unit (40b, 40c) in.

8. hand held power machine, especially thorn is sawed (14a-14c), have a guard shield device (20a-20c) and at least one pilot unit (16a-16c), described pilot unit (16a-16c) is provided for directly receiving and guiding plug-in cutter (18a-18c), it is characterized in that, this guard shield device (20a-20c) has a principal spread direction (22a-22c) and this pilot unit (16a-16c) has a principal spread direction (24a-24c), wherein, the principal spread direction (24a-24c) of this pilot unit (16a-16c) extends at least substantially parallel to the principal spread direction (22a-22c) of this guard shield device (20a-20c).

9. hand held power machine according to Claim 8 is characterized in that at least one retaining element (44a), and described retaining element is provided for pilot unit (16a) is fixed at least one sliding members (46a).

10. according to the hand held power machine of claim 9, it is characterized in that the principal spread direction (22a) that described retaining element (44a) is substantially perpendicular to described guard shield device (20a) extends.

11. have the system of a hand held power machine (12a-12c) and a guidance set (38a-38c), this hand held power machine has a pilot unit (16a-16c), this guidance set (38a-38c) is provided for receiving at least this hand held power machine (12a-12c), it is characterized in that, this guard shield device (20a-20c) of this hand held power machine (12a-12c) has a principal spread direction (22a-22c) and this pilot unit (16a-16c) has a principal spread direction (24a-24c), wherein, the principal spread direction (24a-24c) of this pilot unit (16a-16c) extends at least substantially parallel to the principal spread direction (22a-22c) of this guard shield device (20a-20c).

12. the system according to claim 11 is characterized in that, a guide device (50a-50c) of this guidance set (38a-38c) is supporting swingably at least 90 ° angular range (52a-52c).

13. be used for hand held power machine (12a), the pilot unit of the plug-in cutter (18a) of thorn saw (14a) especially, it is characterized in that two matrix (54a, 56a), these two matrixes have a principal spread direction (58a respectively, 60a), described principal spread direction is arranged basically mutual vertically.

14. the pilot unit according to claim 13 is characterized in that, at least one in the described matrix (56a) has a director element (32a), and this director element is provided for receiving at least at least in part this plug-in cutter (18a).

15. the plug-in cutter, especially sting saw blade (62c), be used at least hand held power machine (12c) and guider (10c) according to one of aforesaid right requirement, it is characterized in that an end regions (64c), this end regions is in order to be inserted in the director element (32c) and construct anodontialy.

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