EP2780139A1 - Device for limiting the depth of a cut - Google Patents
Device for limiting the depth of a cutInfo
- Publication number
- EP2780139A1 EP2780139A1 EP12770027.6A EP12770027A EP2780139A1 EP 2780139 A1 EP2780139 A1 EP 2780139A1 EP 12770027 A EP12770027 A EP 12770027A EP 2780139 A1 EP2780139 A1 EP 2780139A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting depth
- stop
- unit
- movement
- depth guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 105
- 238000005520 cutting process Methods 0.000 claims description 181
- 238000003754 machining Methods 0.000 description 26
- 230000001681 protective effect Effects 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B21/00—Hand saws without power drive; Equipment for hand sawing, e.g. saw horses
- B27B21/08—Arrangements of gauging or adjusting equipment on hand saws, e.g. for limiting the cutting depth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B9/00—Portable power-driven circular saws for manual operation
- B27B9/02—Arrangements for adjusting the cutting depth or the amount of tilting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
- B27G19/04—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws for manually-operated power-driven circular saws
Definitions
- the invention relates to a cutting depth limiting device for portable machine tools, with at least one cutting depth guide unit and with at least one stop unit which has at least one stop element which has a possibility of movement relative to the cutting depth guide unit along a cutting depth guide path of the cutting depth guide unit to limit a depth of cut.
- the cutting depth limiting device has at least one stop movement unit which is provided, at least in one operating state, to allow further movement possibility of the stop element relative to the cutting depth guide unit and / or about a movement axis.
- depth-of-cut limiting device is intended here to define, in particular, a device which is intended to delimiting an immersion path of a machining tool, in particular a circular saw blade, connected to a tool holder of a portable machine tool into a workpiece to be machined and / or to set a length of the insertion section, in particular by means of the stop unit.
- the "immersed path" of the machining tool into a workpiece to be machined is here in particular along an at least substantially perpendicular to a support surface of a supporting unit of the portable machine tool, with which the portable power tool on a Workpiece surface of a workpiece to be machined rests, running
- substantially perpendicular is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- a movement path of the tool holder in the direction of the support unit relative to the support unit is limited by means of the stop unit and / or set a length of the movement path of the tool holder in the direction of the support unit relative to the support unit.
- a length of the movement path of the tool holder in the direction of the support unit relative to the support unit can be set.
- a cutting depth of a machining tool penetrating into a workpiece surface during machining of a workpiece relative to the support unit can be set.
- a “support unit” is to be understood here as meaning, in particular, a unit which rests on the workpiece during machining of a workpiece by means of the portable machine tool with proper handling of the portable machine tool, in particular with a bearing surface of the support unit and which is intended to be portable Machine tool during machining of the workpiece on support the workpiece.
- the support unit is designed as a sliding block and / or as a base plate.
- movably mounted is to be understood here in particular as a mounting of the stop element on the cutting depth guide unit, wherein the stop element, in particular decoupled from an elastic deformation of the stop element, a movement possibility relative to the Thomastiefen Entrysech along at least one axis along a distance greater than 1 mm,
- the stop element alternatively or additionally has another possibility of movement, which seems meaningful to a person skilled in the art, in particular relative to the cutting depth guide unit, such as a possibility of movement around at least one Axis by an angle greater than 10 °, preferably greater than 20 ° and particularly preferably greater than 30 °.
- cutting depth guide unit is intended here to define in particular a unit which is provided i St, a component during movement along a predetermined path by means of an action of at least one constraining force transverse to a direction of movement to lead.
- a "constraining force” is to be understood here in particular as meaning a force which is intended to prevent a component from moving in at least one direction and / or the component to move on a path predetermined by means of an action of the force on the component hold.
- stop movement unit should in particular define a unit which is provided in at least one operating state in addition to a possibility of movement of the stop element along the Thomastiefen- guide path further movement possibility of the stop element along and / or about a movement axis relative to the Thomastiefen.00
- the movement axis of the stop element extends at least substantially parallel or at least substantially transversely to the
- Cutting depth guide path By “substantially parallel” is meant in particular an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °, and in particular is identical to the reference direction.
- the term "at least substantially transversely" is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, viewed in particular in one plane, having mutually different courses and in particular also of purely opposite courses of the direction and the reference direction
- the movement axis may thus extend along the cutting depth guide track or may have a course that differs from the course of the cutting depth guide track
- the movement axis is designed as a pivot axis around which the stop element is movably mounted relative to the cutting depth guide unit conceivable that the stop movement unit is provided to the stop element in at least one, fixed relative to a guide rail element of the cutting depth guide unit state of Thomastiefen Operationssele- ment the Thomasti efen Adjustshim on which the stop element is arranged to move along a direction parallel to the cutting depth guide track movement axis.
- An abutment surface of the stop element is preferably moved as a result of the further movement possibility of the stop element by the stop movement unit along at least one route in at least one operating position, wherein at least one characteristic of the route, such as a length of the route and / or a radius of the route, etc., a dimension , in particular a height, corresponds to a positive guide unit coupled to the portable machine tool.
- the stop element By means of the embodiment according to the invention of the depth-limiting device, it is thus advantageously possible to adjust the stop element to take into account a further relevant parameter, such as a height of a forced-guidance unit, when setting a limitation of a depth of cut, wherein advantageously a setting for taking into account the parameter decoupled from a Setting a limitation of a cutting depth by means of a movement of the stop element relative to the cutting depth guide unit along the cutting depth guide track can be done.
- a further relevant parameter such as a height of a forced-guidance unit
- the cutting depth guide unit comprises at least one cutting depth guide element movably mounted relative to a guide rail element of the cutting depth guide unit, on which the stop element is movably mounted relative to the cutting depth guide element.
- the stop element may hereby be pivotally and / or translationally movably mounted on the cutting depth guide element to achieve a further possibility of movement of the stop element.
- a "cutting depth guide element” is to be understood here as meaning, in particular, an element which, directly or indirectly by means of a form-locking connection with a form-locking region of the guide rail element, at least substantially transversely to a form-locking direction guideway, in particular
- Cutting depth guide track relative to the guide rail element is movable.
- the cutting depth guide member preferably has at least one integrally formed on the cutting depth guide element locking element which is intended to fix the Thomastiefen Operationss- elements in at least one position relative to the guide rail element by means of cooperation with locking recesses or with counter-locking elements of the guide rail element.
- integral should be understood in particular to be materially bonded, such as by a welding process and / or adhesive process, etc., and particularly advantageously formed, as understood by the production a casting and / or by the production in a single or multi-component spraying method.
- the Thomastiefen exits- element has at least one latching recess, which by means of a
- the stop movement unit has at least one position fixing element, which is provided to fix the stop element in a position relative to the cutting depth guide element.
- the position fixing element is designed as a spring-biased locking pin.
- the position fixing element designed as a spring-biased locking pin engages in a fixing of a position of the stop element relative to the cutting depth guide element in a position fixing recess of the cutting depth guide element.
- the position fixing element has another, a skilled person appear appropriate design, such as a clamping element, etc. It can be advantageously achieved a backup of the stop element in a position relative to the cutting depth guide element to prevent unintentional movement of the stop element relative to Cutting depth guide advantageously to avoid.
- the cutting depth guide unit has at least one further cutting depth guide element movably mounted relative to a guide rail element of the cutting depth guide unit, on which the cutting depth guide element is movably mounted.
- the further cutting depth guide element is designed as a guide slide.
- the display element is preferably provided by means of a arranged on the guide rail element scale an operator set by means of the cutting depth limiting device Limiting a cutting depth display.
- the display element is designed as a digital display, by means of which a set limit of a cutting depth can be displayed.
- the cutting depth guiding element is preferably pivotably mounted on the further cutting depth guide element.
- the cutting depth guide element is mounted translationally movable on the further cutting depth guide element.
- the cutting depth guide unit has at least one spring element which is provided to act on the Thomastiefenmentsele- ment with a spring force in the direction of the guide rail member.
- a "spring element” is to be understood as meaning, in particular, a macroscopic element which has at least an extension which in a normal operating state is at least 10%, in particular at least 20%, preferably at least 30% and particularly advantageously at least 50% elastic is changeable, and in particular one of a
- Extension generates dependent and preferably proportional to the change counterforce, which counteracts the change.
- An "extension” of an element is understood to mean, in particular, a maximum distance between two points of a vertical projection of the element onto a plane
- the spring element is designed as a compression spring.
- the spring element it is also conceivable for the spring element to have another configuration which appears useful to a person skilled in the art.
- the stop movement unit has at least one stop movement element embodied as an operating lever, which is mounted pivotably about the movement axis on a cutting depth guide element of the cut depth guide unit.
- the stop movement element has another, to those skilled appear appropriate design, such as a push button, as a slide, etc.
- the stop movement element on the at least one integrally formed locking element formed Thomastiefenumble- tion element is movably mounted.
- a comfortable operability of the stop movement unit to a movement of the stop element can be achieved.
- the stop element and the Anschlagierisele- element are firmly connected.
- the stop element and the Anschlagierisele- element are firmly connected.
- Stop movement element by means of a positive, a non-positive and / or a material connection be connected to each other.
- the stop element and the stop movement element are firmly connected to one another by means of a screw connection.
- firmly connected to each other is meant in particular a connection between at least two
- Components are understood by means of a movement of one of the components directly, in particular decoupled from interconnected components, except connecting elements, is transmitted to the other component.
- the stop element and the stop movement element via an intermediate unit, such as a transmission, or a
- Lever mechanism, etc. are motion-dependent interconnected.
- the stop element and the stop movement element are arranged offset by approximately 180 ° relative to one another. It is structurally simple to transmit a movement of the stop movement element to the stop element. In particular, when using a screw connection, a cost-effective variant for transmitting movement between the stop element and the stop movement element can be achieved.
- the movement axis of the stop element runs at least substantially perpendicular to a course of the cutting depth guide track.
- the movement axis of the stop element extends at least substantially parallel to the Thomastiefenumble- rerbahn. It can be advantageously achieved a compact arrangement of the stop element.
- the stop element is pivotally mounted about the axis of movement on the cutting depth guide element.
- the stop element is pivotally mounted relative to the cutting depth guide element on the cutting depth guide element.
- the stop element is mounted translationally movable relative to the cutting depth guide element on the cutting depth guide element.
- the invention is based on a portable machine tool, in particular a circular saw, which comprises a cutting depth limiting device according to the invention.
- a "portable machine tool” is to be understood here in particular as meaning a machine tool for machining workpieces that can be transported without transport by an operator.
- the portable machine tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and more preferably less than 5 kg.
- the portable machine tool is particularly preferably embodied as a circular plunge saw, but it is also conceivable that the portable machine tool has another configuration that appears appropriate to a person skilled in the art, such as a design as a dip saw or an electric hand saw etc. It can be advantageously achieved a high ease of use for an operator of the portable power tool.
- inventive cutting depth limiting device and / or the portable power tool according to the invention should / should not be limited to the application and embodiment described above.
- the depth-of-cut limiting device according to the invention and / or the portable power tool according to the invention may have a number deviating from a number of individual elements, components and units specified herein for performing a function described herein.
- FIG. 1 shows a portable power tool according to the invention with a cutting depth limiting device according to the invention in a schematic representation
- FIG. 2 is an exploded view of the Thomastie- fenbegrenzungsvoroplasty invention in a disassembled from the portable power tool state in a schematic representation
- FIG. 3a shows a side view of the portable power tool according to the invention during a machining of a workpiece, wherein a machine tool stop region abuts against a stop element located in a workpiece position of a stop unit of the cutting depth limiting device according to the invention, in a schematic representation,
- 3b shows a side view of the portable power tool according to the invention during a machining of a workpiece with a coupled with the portable power tool according to the invention forced-drive unit, wherein the istma- machine stop region against which there is a stop element in a positive guide unit position, in a schematic representation,
- FIG. 4a is a detailed view of the Thomastiefenbegren- zungsvoroplasty invention in a workpiece position of the stop element in a schematic representation
- FIG. 4b shows a detailed view of the cutting depth limiting device according to the invention in a positive guide unit position of the stop element in a schematic representation.
- FIG. 1 shows a portable power tool 12 designed as a dip circular saw with a cutting depth limiting device 10.
- the portable power tool 12 further comprises a power tool housing 38, which is provided to surround a drive unit 40 of the portable power tool 12.
- the drive unit 40 comprises a drive shaft (not shown here in detail) for driving a tool holder (not shown in more detail here) of the portable power tool 12 which can be coupled to the machining tool 42 (FIGS. 3a and 3b) in a manner already known to a person skilled in the art.
- the portable power tool 12 comprises a supporting unit 44 in the form of a base plate or sliding block, with which the portable power tool 12 rests on a workpiece surface of the workpiece 86 during machining of a workpiece 86 (FIG.
- a protective unit 46 of the portable power tool 12 is also arranged, which protects an operator from injury during machining of the workpiece 86.
- the protective unit 46 is designed as a protective hood, which encloses the machining tool 42 in an assembled state along a rotational direction of the drive shaft by more than 160 °.
- the protection unit 46 furthermore has an extraction coupling element 48 which, with a suction unit (not shown here in detail), is used for extracting removed workpiece particles during a suction Processing of the workpiece 86 is connectable.
- the machine tool housing 38 is mounted pivotably relative to the support unit 44 on the protection unit 46.
- the machine tool housing 38 is mounted in a manner already known to a person skilled in the art, pivotable about two pivot axes 50, 52 relative to the support unit 44 on the protective unit 46.
- the two pivot axes 50, 52 extend at least substantially perpendicular relative to each other.
- the protective unit 46 is pivotally mounted together with the machine tool housing 38 about the pivot axis 50 relative to the support unit 44 on the support unit 44.
- the portable power tool 12 has at least substantially a configuration already known to a person skilled in the art.
- the cutting depth limiting device 10 for the portable power tool 12 is to set a limitation of a cutting depth on a side facing the machine tool housing 38 side of the protection unit 46 on the
- the Thomastiefenbegrenzungs- device 10 comprises at least one cutting depth guide unit 14 and at least one stopper unit 16 which has at least one stop member 18 to limit a depth of cut a movement possibility relative to the Thomastiefen Installationsappel 14 along a cutting depth guide track 20 of the cutting depth guide unit 14 ( Figure 2).
- the stop element 18 is at a setting of a limitation of a cutting depth of the
- the stop element 18 is mounted movably along the cutting depth guide track 20 on a guide rail element 26 of the cutting depth guide unit 14 by means of a cutting depth guide element 28 of the cutting depth guide unit 14.
- the stop element 18 is relatively movable to the cutting depth guide element 28 on Thomastiefen Installations- element 28 stored.
- the cutting depth guide unit 14 comprises at least the cutting depth guide element 28 movably mounted relative to the guide rail element 26 of the cutting depth guide unit 14, to which the impact element 18 is mounted movable relative to the cutting depth guide member 28.
- the cutting depth guide unit 14 has at least one further cutting depth guide element 32 movably mounted relative to the guide rail element 26, on which the cutting depth guide element 28 provided for supporting the stop element 18 is movably mounted.
- the further cutting depth guide element 32 is designed as a guide slide element, which is mounted on the guide rail element 26 so as to be movable along the cutting depth guidance path 20 by means of a form-locking connection with a form-fit region 56 of the guide rail element 26 (FIG. 2).
- the cutting depth guide element 28 provided for supporting the stop element 18 is pivotable relative to the guide rail element 26 to fix a position of the cut depth guide element 28 and the further cut depth guide element 32 about a pivot axis 80 extending at least substantially perpendicular to the cut depth guide track 20 on the further cut depth guide element 32 stored.
- the cutting depth guide element 28 is thus designed as a cutting depth locking element, which has at least one integrally formed locking element 54.
- the latching element 54 is formed separately from the cutting depth guide element 28 and by means of a, a person skilled in the sense appearing connection, such as by means of a positive and / or non-positive connection, firmly connected to the cutting depth guide member 28.
- the locking element 54 is formed as a latching nose, which has a polygonal cross-section. Overall, the cutting depth guide member 28 on four locking elements 54 which are integrally formed parallel to each other on the cutting depth guide member 28. However, it is also conceivable that one of four different number of locking elements 54 are integrally formed on the cutting depth guide member 28.
- the guide rail element 26 has a latching rail 58.
- the latching rail 58 points to a formation of a latching connection with the cutting section formed as a cut-to-depth latching element.
- depth guide element 28 mating latching elements 60, which are formed with the locking elements 54 of the cutting depth guide member 28 corresponding.
- the guide rail element 26 On a side of the guide rail element 26 facing away from the latching rail 58, the guide rail element 26 has a scale graduation 82 which is indicative of a limitation of a limit set by means of the stop unit 16
- Depth of cut corresponding dimension of a depth of cut with a arranged on the further cutting depth guide member 32 pointer element 84 cooperates.
- the cutting depth limiting device 10 comprises a digital display unit for displaying a dimension of a cutting depth corresponding to a set limit of a cutting depth.
- the cutting depth guide unit 14 also has at least one spring element 34, which is provided to act on the cutting depth guide element 28 with a spring force in the direction of the guide rail element 26.
- the cutting depth guide element 28 has an actuating region 62. By means of an actuation of the actuating region 62, the cutting depth guide element 28 is pivoted about the pivot axis 80 relative to the further cutting depth guide element 32.
- the locking elements 54 and the counter-locking elements 60 are disengaged.
- the further cutting depth guide element 32 embodied as a guide slide element can thus be displaced relative to the guide rail element 26 along with the cutting depth guide element 28 formed as a cut depth catch element along the cutting depth guide track 20.
- the stop element 18 is also displaced along the cutting depth guide track 20 relative to the guide rail element 26. This will be a limitation of a
- Cutting depth of the machining tool 42 is set.
- the cutting depth guide element 28 and the further cutting depth guide element 32 thus form part of the stop unit 16.
- the machine tool housing 38 strikes upon machining of the workpiece 86 by means of the machining tool 42 during a pivoting movement of the machine tool housing 38 relative to the protection unit 46 to an introduction of a cut into the workpiece 86 or for removal of workpiece particles of the workpiece 86 when reaching a set by means of the stop unit 16 cutting depth with a stop area 64 on the stop element 18 at.
- the cutting depth limiting device 10 further comprises at least one stop movement unit 22 which is provided, at least in one operating state, to allow further movement possibility of the stop element 18 relative to the cutting depth guide unit 14 and / or about a movement axis 24.
- the stop movement unit 22 is provided, at least in a latched state of the latching elements 54 of the cutting depth guide element 28 in the counter-latching elements 60 of the guide rail element 26, a further movement possibility of the stop element 18 relative to the cutting depth guide unit 14 to allow.
- Stop movement unit 22 provided to at least in a fixed position of the formed as a guide slide element further cutting depth guide member 32 by means of formed as Thomastiefenrastelement Thomastiefen.00, Adjustselement 28 further movement possibility of the stop member 18 relative to the cutting depth guide element 28 to allow.
- the stop element 18 is pivotally mounted about the movement axis 24 designed as a stop pivot axis 66 relative to the cutting depth guide element 28 on the cutting depth guide element 28.
- the abutment pivot axis 66 runs at least substantially perpendicular to a course of the cutting depth guide track 20.
- the abutment pivot axis 66 extends at least substantially parallel to the pivot axis 80 about which the cutting depth guide element 28 is pivotably mounted relative to the further cutting depth guide element 32.
- the abutment pivot axis 66 has another course, which appears expedient to a person skilled in the art, such as, for example, parallel to the cutting depth guideway 20 or transverse to the cutting depth guideway 20, etc.
- the stop movement unit 22 comprises at least one position fixing element 30, which is provided to fix the stop element 18 in a position relative to the cutting depth guide element 28.
- the position fixing element 30 is designed as a latching pin 68, which is prestressed by means of a position fixing spring element 70 of the stop movement unit 22 with a spring force.
- the stop movement unit 22 has two position fixing elements 30, which are each assigned to a position of the stop element 18 relative to the cutting depth guide element 28.
- the stop movement unit 22 has at least one stop movement element 36 embodied as an operating lever, which is mounted pivotably about the movement axis 24 on the cutting depth guide element 28 of the cut depth guide unit 14.
- the stopper member 18 and the stopper member 36 are fixedly connected to each other.
- the stop element 18 is connected by means of a screw connection, which comprises a screw 72 which can be screwed into the stop movement element 36 and a disk 74, firmly connected to the stop movement element 36.
- the stop element 18 is thus motion-dependent on a movement of the stop movement element 36.
- the stop movement element 36 has a catch recess 76, into which one of the two position-fixing elements 30 is dependent on a position of the stop movement element 36 and thus of the stop element 18 relative to the cut depth guide element 28 a fixation of a position of the stop movement element 36 and thus of the stop element 18 engages.
- the two position fixing elements 30 are arranged offset by approximately 90 ° relative to one another on the cutting depth guide element 28 (FIGS. 4a and 4b).
- the position fixing elements 30 designed as latching pins 68 are each acted upon in the direction of the stop movement element 36 by means of a spring force of one of two position fixing spring elements 70 of the stop movement unit 22.
- the abutment element 18 can thus, by means of the abutment movement unit 22, additionally set the movement axis 24 formed as an abutment pivot axis 66 from a workpiece position (FIGS. 3a and 4a) of the abutment element 18 into a forced-circulation position of the abutment element 18 (FIGS. 3b and 4b) ) emotional become.
- the stop element 18 and the stop movement element 36 are mounted, starting from the workpiece position or the forced guiding position of the stop element 18, at an angle of 90 ° about the movement axis 24 formed as an abutment pivot axis 66 relative to the cutting depth guide element 28 on the cutting depth guide element 28.
- a first abutment surface of the abutment member 18 defines a boundary surface against which the machine tool housing 38 can abut pivotally relative to the guard unit 46 about the pivot axis 52 with the abutment portion 64 to limit a depth of cut.
- the positive guide unit 78 is designed as a guide rail which can be arranged on the workpiece 86.
- the positive guide unit 78 designed as a guide rail is provided for guiding the portable power tool 12 along at least one direction.
- a height of the positive guide unit 78 is compensated for by means of the portable machine tool 12 relative to the cutting depth guide element 28 formed as a cutting depth-locking element from the workpiece position to the forced-control unit position.
- the stop area 64 of the machine tool housing 38 strikes in the workpiece position of the stop element 18 at a constant position of the cutting depth guide element 28 relative to the guide rail element 26 to a fixed setting a limitation of a depth of cut compared to striking the abutment portion 64 of the machine tool housing 38 in the Zwangs Equation- unit position of the stop element 18 after a shorter distance, along which the machine tool housing 38 for introducing a section by means of the machining tool 42 relative to the protection unit 46 to the
- Swivel axis 52 is pivoted to.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011086337A DE102011086337A1 (en) | 2011-11-15 | 2011-11-15 | Cutting depth limiter |
PCT/EP2012/068477 WO2013072106A1 (en) | 2011-11-15 | 2012-09-20 | Device for limiting the depth of a cut |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2780139A1 true EP2780139A1 (en) | 2014-09-24 |
EP2780139B1 EP2780139B1 (en) | 2015-08-05 |
Family
ID=47008528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12770027.6A Active EP2780139B1 (en) | 2011-11-15 | 2012-09-20 | Device for limiting the depth of a cut |
Country Status (6)
Country | Link |
---|---|
US (1) | US9623583B2 (en) |
EP (1) | EP2780139B1 (en) |
CN (1) | CN103945998B (en) |
DE (1) | DE102011086337A1 (en) |
RU (1) | RU2606832C2 (en) |
WO (1) | WO2013072106A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011086337A1 (en) * | 2011-11-15 | 2013-05-16 | Robert Bosch Gmbh | Cutting depth limiter |
DE102013212562A1 (en) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Cutting length display device for a hand tool |
DE102014224571A1 (en) * | 2014-12-02 | 2016-06-02 | Robert Bosch Gmbh | Cutting length indicator |
DE102017129809A1 (en) * | 2017-09-29 | 2019-04-04 | Festool Gmbh | Mobile machine tool |
US10875109B1 (en) | 2018-04-30 | 2020-12-29 | Kreg Enterprises, Inc. | Adaptive cutting system |
DE102018210470A1 (en) * | 2018-06-27 | 2020-01-02 | Robert Bosch Gmbh | Process for early damage detection, as well as program and control unit for executing the process |
CN109846145B (en) * | 2019-03-15 | 2023-11-10 | 佛山市南海中禧机械有限公司 | Full-automatic sole trimming equipment and sole trimming mechanism thereof |
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- 2012-09-20 RU RU2014123992A patent/RU2606832C2/en not_active IP Right Cessation
- 2012-09-20 WO PCT/EP2012/068477 patent/WO2013072106A1/en active Application Filing
- 2012-09-20 CN CN201280055894.3A patent/CN103945998B/en active Active
- 2012-09-20 EP EP12770027.6A patent/EP2780139B1/en active Active
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WO2013072106A1 (en) | 2013-05-23 |
RU2606832C2 (en) | 2017-01-10 |
CN103945998B (en) | 2016-11-23 |
CN103945998A (en) | 2014-07-23 |
RU2014123992A (en) | 2015-12-27 |
EP2780139B1 (en) | 2015-08-05 |
DE102011086337A1 (en) | 2013-05-16 |
US9623583B2 (en) | 2017-04-18 |
US20140283396A1 (en) | 2014-09-25 |
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