EP2106323B1 - Système de machine-outil portative - Google Patents

Système de machine-outil portative Download PDF

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Publication number
EP2106323B1
EP2106323B1 EP07822425.0A EP07822425A EP2106323B1 EP 2106323 B1 EP2106323 B1 EP 2106323B1 EP 07822425 A EP07822425 A EP 07822425A EP 2106323 B1 EP2106323 B1 EP 2106323B1
Authority
EP
European Patent Office
Prior art keywords
unit
protective hood
rotation
power tool
portable power
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.)
Active
Application number
EP07822425.0A
Other languages
German (de)
English (en)
Other versions
EP2106323A1 (fr
Inventor
Cornelius Boeck
Joachim Schadow
Sinisa Andrasic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2106323A1 publication Critical patent/EP2106323A1/fr
Application granted granted Critical
Publication of EP2106323B1 publication Critical patent/EP2106323B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04—Protective covers for the grinding wheel
    • B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
    • B24B55/052—Protective covers for the grinding wheel specially designed for portable grinding machines with rotating tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5009—For portable articles
    • Y10T70/5022—Tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5611—For control and machine elements

Definitions

  • the invention is based on a hand-held power tool system according to the preamble of claim 1.
  • the guard is rotatably mounted on a nozzle of a flange of the angle grinder and releasably secured with only a single positive locking means.
  • the flange will pass centrally from the spindle of the angle grinder.
  • the spindle carries a separating or grinding disk, which can be tensely tensioned, for cutting and machining workpieces, which is partially encompassed by the protective hood.
  • the protective hood on the handheld power tool is to be positioned so that it can be adjusted in a rotational manner such that the area of the grinding wheel facing the user is encompassed by the protective hood.
  • an area of the grinding wheel pointing away from the user towards the workpiece engagement projects radially beyond the flange.
  • the publication US 2,819,570 A discloses a power tool system having a power tool designed as an angle grinder and a protective hood unit.
  • the protective hood unit comprises a protective hood, a positioning device and a fastening device.
  • the positioning device By means of the positioning device, an operator can adjust a position of the protective hood relative to the angle grinder, so that the protective hood can be pivoted about a spindle axis depending on the application.
  • the fastening device is provided to attach the protective cover to a housing of the angle grinder.
  • the guard is fastened by means of a frictional engagement between a clamping band of the fastening device and the housing on the housing.
  • the invention relates to a hand-held power tool system with a hand tool, in particular an angle grinder, a guard unit and a guard rotation preventing unit, which is provided for a rotation between the guard unit and the power tool during a damage case of a tool and a Guard rotation preventing unit is provided for a rotation between the guard unit and the power tool with an attachment of the guard unit to the power tool in a working position of the guard unit.
  • a hand tool in particular an angle grinder, a guard unit and a guard rotation preventing unit, which is provided for a rotation between the guard unit and the power tool during a damage case of a tool and a Guard rotation preventing unit is provided for a rotation between the guard unit and the power tool with an attachment of the guard unit to the power tool in a working position of the guard unit.
  • "intended” should be understood to mean in particular specially equipped and / or specially designed.
  • a "working position of the protective hood unit” should be understood to mean, in particular, a position of the protective hood unit in which the protective hood unit is rotationally fixed to the handheld power tool in a regular working operation of the handheld power tool and a protective hood of the guard unit provides advantageous protection for an operator from contact with a guard Tool, in particular a disc-shaped, rotatably driven tool, and / or grants in front of the operator thrown out processing residues.
  • a case of damage of a tool should be understood to mean, in particular, a tool bursting during operation of the portable power tool, wherein individual tool parts are thereby thrown outwards due to rotation of the tool.
  • a dimensioning of the guard rotation preventing unit is designed in a Verwar winessposition the guard unit with the power tool for receiving forces occurring in the event of damage of the tool, which are transmitted from hitting the guard unit tool parts of the ruptured tool on the guard unit.
  • a position of the protective hood unit during the event of damage of the tool by means of the guard rotation-preventing unit and a functionality of the protective hood unit is preferably maintained.
  • a protective position or an anti-rotation position of the protective hood unit is formed by the working position of the protective hood unit, so that the anti-rotation position can be achieved structurally simple for an operator of the power tool system.
  • the protective hood rotation-locking unit is particularly advantageously arranged at least partially on a protective hood and / or on a closure unit of the protective hood unit.
  • a "closure unit” should be understood to mean, in particular, a unit which is preferably provided for attachment of the protective hood unit to the handheld power tool and has at least one closure element, such as a tightening strap, a screw, a locking lever, etc., wherein an attachment of the Guard unit on the hand tool by means of the locking unit can be done positively and / or non-positively.
  • the term "arranged” is to be understood in particular to mean that the guard rotation-preventing unit and the protective hood and / or the closure unit have a common assembly unit and can be mounted in an operating position on the handheld power tool during a common assembly operation.
  • the guard anti-rotation lock unit has a force-locking unit and / or a positive locking unit, which is provided for a non-positive and / or a positive rotation between the guard unit and the power tool.
  • the guard rotation-preventing unit has at least one anti-rotation element arranged on the guard unit and an anti-rotation element arranged on the hand tool unit, which are arranged at least partially in an anti-rotation position in the working position of the guard unit, whereby an effective anti-rotation device can advantageously be realized in a working position of the guard unit and thus a high safety standard for an operator can be achieved.
  • the anti-rotation element is at least partially formed by a detent element which is intended to block a movement of the protective hood unit in at least one direction
  • twisting of the protective hood unit in particular in the case of a bursting tool, advantageously prevents and at least partially reverses the position of the protective hood unit facilitate an operator of the power tool system.
  • a locking direction of the locking element corresponds to a direction of rotation of a tool, so that an advantageous rotation in case of damage of the tool can be achieved.
  • the anti-rotation locking element is formed at least partially in one piece with a closure unit and / or a protective hood of the protective hood unit.
  • the term "integral" is intended to be understood in particular to be in one piece, produced from a casting and / or designed as a component.
  • closure unit has at least one closure element on which the anti-rotation lock element is arranged, an anti-rotation lock of the guard unit can be achieved for an operator that is secure during installation.
  • a particularly simple assembly and disassembly of the protective hood unit on the hand tool machine can advantageously be achieved if the anti-rotation element is movably mounted on a locking unit and / or on a protective hood of the protective hood unit.
  • the anti-rotation element for releasing the anti-rotation position in an unlocking position is arranged manually movable by an operator. This can be achieved in a particularly advantageous manner when the anti-rotation element is mounted at least partially rotatably about a pivot axis on the closure unit and / or on the protective hood.
  • the guard rotation-preventing unit has at least one lever element, on which the anti-rotation element is at least partially disposed, whereby advantageously the anti-rotation element can be moved by means of the lever member in a Verwarêtsposition or in an inactive position.
  • the lever member rotatably mounted on the power tool and / or on the guard unit.
  • the Invention vessel is proposed that the Schutzschaufprintracairessaku has at least one spring element as a moving element, which moves the anti-rotation element when reaching the working position of the protective hood unit in a Verwar remediessposition, whereby an independent of an operator, at least partially automatic fixing mechanism or movement mechanism to achieve the anti-rotation position of the anti-rotation element reaches and a high safety standard for the operator can be achieved independently of a manual operation by the operator of the guard rotation unit.
  • the movement element is formed by further movement elements that appear appropriate to the person skilled in the art, such as, for example, a movement element formed by a magnet.
  • the guard rotation-preventing unit has at least one unlocking element which is provided for moving the anti-rotation element from the anti-rotation position.
  • the unlocking element is at least partially movably mounted on the guard unit, in particular spring-loaded biased in the anti-rotation, so that in addition to a compact arrangement of the unlocking an advantageous securing of the anti-rotation in the anti-rotation position can be achieved.
  • the handheld power tool has a receiving unit for receiving a tool on which the anti-rotation element is arranged, whereby a particular space-saving, compact Schutzschaufreadracriosö can be achieved by the anti-rotation element of the power tool is arranged on a component, preferably in direct contact with the protective hood unit is arranged in a working position of the protective hood unit.
  • the anti-rotation element arranged on the receiving unit is movably arranged on the receiving unit, whereby a particularly simple assembly and disassembly of the protective hood unit on the handheld power tool can advantageously be achieved.
  • the anti-rotation element arranged on the receiving unit is formed at least partially in one piece with the receiving unit.
  • guard rotation unit on at least two anti-rotation elements, which are arranged in a circumferential direction successively on the guard unit, and / or at least two anti-rotation elements, which are arranged in a circumferential direction successively on the hand tool, in particular on the receiving unit, a multi-positive and / or non-positive connection between the protective hood unit and the power tool can be achieved and / or it can be the guard unit in different positions along the circumferential direction of the power tool against rotation, in particular a bursting tool mounted.
  • It should under one "Circumferential direction" in particular a circumferential direction of the protective hood unit are understood, which is aligned in an assembled state of the protective hood unit substantially parallel to a rotational direction of the tool.
  • the invention comprises a hand tool for a rotating, preferably disc-shaped tool, with a machine housing having a flange or a machine neck on which a protective hood, in particular made of sheet metal, for covering the tool is releasably clamped, wherein the protective cover a Protective hood body has, which consists of a circular disk-shaped piece, in particular with angled outer edge and has a central circular recess, at the edge of a guard neck or collar is formed, which carries a ring-like tension band, which is contractible by means of a clamping means and one between machine neck and guard acting anti-rotation between guard and machine neck is arranged in the form of a profiling, the guard on the clamping band and / or on the clamping means in its clamping position multiple positive and / or non-positive with the machine nhals can be coupled and thus battinglegbar and to achieve a release position except positive engagement and / or adhesion to the machine neck can be brought, the guard is then rotation
  • a handheld power tool system 10a is shown with a hand tool machine 12a formed by an angle grinder, a guard unit 14a and a guard rotation lock unit 16a.
  • the handheld power tool 12a For receiving the protective hood unit 14a or a tool 18a formed by a cutting disk, the handheld power tool 12a has a receiving unit 60a, which is screwed to a handheld power tool housing 66a of the handheld power tool 12a.
  • a drive shaft 70a protrudes from the receiving unit 60a on a side 68a facing away from the handheld power tool housing 66a, which drive shaft can be connected at its free end 72a to the disk-shaped tool 18a and can be driven to rotate about an axis 74a.
  • the protective hood unit 14a comprises a protective hood 22a and a locking unit 20a on which the guard anti-rotation lock unit 16a is arranged.
  • the protective hood 22a covers an angular range of the tool 18a of approximately 180 ° and for this purpose has a half-disc-shaped protective hood body 76a and a protective hood edge 78a, which is initially aligned perpendicular to the half-disc-shaped guard body 76a and then parallel to the half-disc-shaped guard body 76a in a radial direction 80a inwardly is.
  • the guard rotation preventing unit 16a is provided for preventing rotation between the guard unit 14a and the hand tool 12a and the receiving unit 60a during a case of damage of the tool 18a, such as a bursting tool 18a, wherein the rotation between the guard unit 14a and the power tool 12a at the same time an attachment of the protective hood unit 14a to the hand tool 12a in a working position of the protective hood unit 14a takes place.
  • the protective hood 22a also has a protective collar collar 82a, which is aligned substantially perpendicular to the half-disk-shaped protective hood body 76a ( FIGS. 1 . 2a and 2b ).
  • the protective hood collar 82a is outwardly surrounded in the radial direction 80a by a tension band 84a of the locking unit 20a, wherein the protective collar collar 82a and the tension band 84a are connected to one another by means of a welded connection. Together with the clamping band 84a, the protective hood collar 82a is provided for fastening the protective hood unit 14a to the handheld power tool 12a or to the receiving unit 60a, which has a cylindrical receiving flange 86a for this purpose.
  • the tension band 84a has, in a region facing away from the protective hood 22a, two end regions 88a, 90a which extend outward in the radial direction 80a.
  • the two end regions 88a, 90a each have a recess 92a, through which a closure element 46a of the closure unit 20a formed by a clamping screw is guided.
  • the clamping screw can be fastened by means of a nut 94a in the recesses 92a of the clamping band 84a.
  • the protective hood 22a is fastened by means of the locking unit 20a to the receiving unit 60a or to the receiving flange 86a due to a frictional engagement between the protective collar 82a and the clamping band 84a and the receiving flange 86a in a working position, so that the protective hood unit 14a in a regular operation of the power tool 10a is arranged rotationally fixed.
  • further closure elements 46a such as, for example, a tensioning lever and / or positive locking elements, etc., instead of the tensioning screw.
  • the protective hood rotation-preventing unit 16a secures the protective hood unit 14a in the event of a damage of the tool 18a, in particular in the case of a bursting tool 18a, against undesired twisting.
  • the guard rotation-preventing unit 16a has a form-locking unit 26a, which is provided for a positive connection between the guard unit 14a and the receiving flange 86a of the power tool 12a, wherein a form-locking connection coincides with an attachment of the guard unit 14a in a working position on the receiving flange 86a.
  • the form-fitting unit 26a or the guard-rotation-preventing unit 16a has three anti-rotation elements 28a, 30a, 32a formed by a form-locking element, which are arranged on the clamping band 84a of the closure unit 20a, and a plurality of anti-rotation elements 34a, 36a formed by a respective form-locking element formed integrally with the receiving unit 60a.
  • the anti-rotation elements 34a, 36a arranged on the receiving unit 60a are formed by latching recesses and in the circumferential direction 62a, 64a
  • the retaining flange 60a is arranged successively around the receiving flange 60a, the anti-rotation elements 34a, 36a being open in a direction 96a extending parallel to the axis 74a by the receiving unit 60a in the direction of the tool 18a and on a base element 98a of the receiving unit 60a substantially perpendicular to the axis 74a is aligned, are arranged.
  • the arrangement of the anti-rotation elements 34a, 36a allows attaching or securing the protective hood unit 14a at different working positions in the circumferential direction 62a, 64a on the hand tool 12a.
  • the three anti-rotation elements 28a, 30a, 32a of the protective hood unit 14a are arranged one after the other in the circumferential direction 62a, 64a and formed by latching elements 38a, 40a, 42a, which block a movement of the protective hood unit 14a in an assembled state in one direction ( FIG. 2a ).
  • a blocking direction corresponds to a direction of rotation of the tool 18a, so that with a bursting tool 18a, the protective hood unit 14a remains fixed in its protective position.
  • the latching elements 38a, 40a, 42a are formed in a section and have a substantially triangular cross-sectional area, so that upon loosening a fastening or the clamping screw, a rotation of the protective hood 22a in one direction is possible, which is opposite to the direction of rotation of the tool 18a during operation the hand tool 12a is aligned ( FIG. 2a ).
  • the anti-rotation elements 28a, 30a, 32a provided with a substantially rectangular cross-sectional area, which causes a rotation of the guard 22a along the circumferential direction 62a, 64a in both directions.
  • the anti-rotation elements 28a, 30a, 32a are movably mounted on the tension band 84a.
  • the guard rotation-preventing unit 16a has a lever element 52a, which is arranged pivotably about a pivot axis 50a on the clamping band 84a.
  • the pivot axis 50a of the lever member 52a is aligned in a mounted state of the guard unit 14a on the power tool 12a substantially perpendicular to the axis 74a and extends from the axis 74a in a radial direction 80a.
  • the anti-rotation elements 28a, 30a, 32a are arranged on an end 100a of the lever element 52a facing away from the pivot axis 50a and extend along a pivot direction 102a about the pivot axis 50a on the lever element 52a, the anti-rotation elements 28a, 30a, 32a being in a working position of the protective hood unit 14a are arranged on a side facing the anti-rotation elements 34a, 36a side of the lever member 52a.
  • the guard rotation preventing unit 16a has a moving member 54a formed by a spring member 56a, which moves the lever member 52a and the anti-rotation elements 28a, 30a, 32a into an anti-rotation position upon reaching a working position of the hood unit 14a during assembly with the power tool 12a.
  • the anti-rotation elements 28a, 30a, 32a are always in the anti-rotation position as soon as the protective hood unit 14a is mounted in the working position.
  • the spring element 56a is supported on a support element 104a of the tension band 84a, wherein the support element 104a is arranged along the axis 74a on a region 106a remote from the anti-rotation elements 28a, 30a, 32a, and a spring force the lever element 52a along the axis 74a into a tool 18a opposite direction 108a presses.
  • the lever element 52a has an unlocking element 58a formed by a tab, which is arranged on the end 100a of the lever element 52a facing away from the pivot axis 50a and projects outward along the radial direction 80a
  • Lever member 52a extends, so that an operator can move the lever member 52a together with the anti-rotation elements 28a, 30a, 32a from the anti-rotation position along the pivot direction 102a by means of the tab.
  • the closure unit 20a can only be closed when the anti-rotation elements 28a, 30a, 32a are in an anti-rotation position.
  • the locking unit 20a For a disassembly or a change in position of the protective hood unit 14a in the circumferential direction 62a, 64a, the locking unit 20a must be released and in the case of rotation in both directions and the guard rotation preventing unit 16a are brought from its anti-rotation position, so that the anti-rotation elements 28a, 30a, 32a disengaged with the recesses of the receiving unit 60a and a rotation or a disassembly of the protective hood unit 14a with respect to the power tool 12a is possible.
  • the hand-held power tool system 10a has a coding device 110a which is provided to prevent assembly of tools 18a or of tools 18a together with the protective hood unit 14a on unsuitable hand-held power tools 12a.
  • the tension band 84a has a coding element 112a of the coding device 110a, which is formed integrally with the tension band 84a.
  • the coding device 112a is formed by a shape extending inward in the radial direction 80a and has a rectangular shape.
  • the receiving flange 86a has a coding element 114a of the coding device 110a, which is formed by a recess into which the coding means 112a of the clamping band 84a during assembly of the protective hood unit 14a with the hand tool 12a is inserted.
  • the protective hood unit 14a can be rotated into a working position.
  • the receiving flange 86a has a circumferential groove 62a in the circumferential direction 62a, 64a, in which, upon rotation of the protective hood unit 14a into the working position, the coding element 112a is guided.
  • FIGS. 3 to 15 Alternative embodiments are shown. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, however, the reference numerals of the embodiments, the letters a to n are added. The following description is essentially limited to the differences from the embodiment in the FIGS. 1 and 2 , wherein with respect to the same components, features and functions on the description of the embodiment in the FIGS. 1 and 2 can be referenced.
  • a handheld power tool system 10b is shown in a partial section with a receiving unit 60b of a handheld power tool 12b, a tightening strap 84b of a protective hood unit 14b and a guard rotation preventing unit 16b.
  • the guard rotation preventing unit 16b is provided for preventing rotation between the guard unit 14b and the power tool 12b at the same time as reaching a working position of the guard unit 14b during assembly.
  • the guard rotation-preventing unit 16b has an anti-rotation element 28b arranged on the tension band 84b of a closure unit 20b and a plurality of anti-rotation elements 34b, 36b arranged on the receiving unit 60b.
  • the antirotation elements 34b, 36b arranged on the receiving unit 60b are formed by recesses which are arranged in succession on a receiving flange 86b of the receiving unit 60b in a circumferential direction 62b, 64b.
  • the recesses extend radially inwardly from a radially outwardly directed surface 118b of the receiving flange 86b.
  • the anti-rotation element 28b arranged on the closure unit 20b is arranged on a lever element 52b of the protective cover anti-rotation lock unit 16b.
  • the lever element 52b is pivotably mounted on the tension band 84b, wherein a pivot axis 50b of the lever element 52b is aligned substantially perpendicular to a circumferential direction 62b, 64b of the tension band 84b.
  • the lever element 52b is supported on the tensioning band 84b by means of a movement element 54b formed by a spring element 56b, wherein the spring element 56b is formed by a tension spring which is in the radial direction 80b is disposed between the clamping band 84b and a radially inward direction 80b inwardly facing surface of the lever member 52b.
  • the lever element 52b is moved together with the anti-rotation element 28b by the spring element 56b about the pivot axis 50b inwardly and pulled and in a Vermosellessposition, namely in engagement with the anti-rotation elements 34b, 36b of the receiving flange brought.
  • the clamping band 84b has a recess 122b, through which the anti-rotation locking element 28b engages with the receiving flange 86b in an anti-rotation position.
  • the lever element 52b has an unlocking element 58b formed by a tab, by means of which the lever element 52b can be moved by an operator from its anti-rotation position against a spring force of the spring element 56b.
  • a release of a clamping closure element 46b, which is formed by a clamping screw, is only possible for an operator if he previously moved the lever member 52b from its anti-rotation position.
  • FIG. 4a is a hand tool machine system 10c with a guard anti-rotation lock unit 16c in a partial section with a to FIG. 3 alternatively designed anti-rotation element 28c of a protective hood unit 14c shown.
  • the guard anti-rotation lock unit 16c is provided to prevent rotation between the guard unit 14c and a hand tool not shown in detail at the same time reaching a working position of the guard unit 14c during assembly.
  • the anti-rotation element 28c is formed by a hook-shaped detent element 38c.
  • the latching element 38c is integrally formed with a clamping band 84c of a closure unit 20c, the latching element 38c being arranged bent inwards by the tensioning band 84c.
  • the locking element 38c causes an anti-rotation analogous to the description FIG. 2a and allows in a direction which runs counter to a rotational direction of a tool, a rotation in a released closure element formed by a clamping screw 46c of the closure unit 20c.
  • the hand-held power tool system 10c has a positioning device 124c.
  • the protective hood unit 14c has a positioning element 126c of the positioning device 124c, which is formed integrally with the clamping band 84c ( FIGS. 4a and 4b ).
  • the positioning element 126c is arranged on an edge region 128c of the tension band 84c, the edge region 128c facing away from the tool in an assembled state of the protective hood unit 14c.
  • the positioning element 126c are web-shaped in a circumferential direction 62c, 64c, wherein the positioning element 126c is punched out of the tension band 84c along two sides 130c, 132c facing the tension band 84c and is arranged on the tension band 84c at an end area 134c in the circumferential direction 62c, 64c ( FIG. 4b ).
  • the positioning element 126c has an expression which extends inward in the radial direction 80c and has a contour which is substantially identical in shape to a contour of a positioning element, not shown, of a receiving flange.
  • FIG. 5 a hand-held power tool system 10d is shown with a guard rotation preventing unit 16d in a partial section, which is provided for an anti-rotation between a guard unit 14d and a handheld power tool 12d not shown in detail simultaneously with reaching a working position of the guard unit 14d during assembly.
  • the guard rotation preventing unit 16d differs from the embodiment in FIGS FIGS. 4a and 4b in that an anti-rotation element 28d of the anti-rotation guard unit 16d is arranged in an end region 90d of a clamping band 84d of a closure unit 20d arranged in the circumferential direction 62d, 64d.
  • the anti-rotation element 28d is integrally formed with the tension band 84d and bent inwardly from the tension band 84d.
  • the guard rotation-preventing unit 16d has a plurality of anti-rotation elements 34d, 36d formed by a respective detent recess on a receiving unit 60d of the hand-held power tool 12d.
  • An operation of the guard rotation anti-rotation unit 16d is analogous to the description in the FIGS. 2a . 4a and 4b .
  • the closure unit 20d has a closure element 46d, 48d along the circumferential direction 62d, 64d at end regions 88d, 90d of the tension band 84d.
  • the closure elements 46d, 48d are formed by a screw and a closure lever, wherein the screw connects one of the end regions 88d of the tension band 84d with the tensioning lever arranged on the further end region 90d.
  • the screw is rotatably mounted on the end portion 88d and arranged in the circumferential direction 64d of the end portion 88d in the direction of the locking lever for a bearing point or a rotation axis 138d of the locking lever with the end portion 90d.
  • a protective hood is fastened by means of the closure unit 20d to the receiving unit 60d or to a receiving flange 86d of the receiving unit 60d by means of a frictional engagement between a protective collar collar or the clamping band 84d and the receiving flange 86d in a working position.
  • an effective fastening force can be set for an operator when mounted between the protective hood unit 14d and the receiving flange 86f.
  • FIG. 6 a hand-held power tool system 10e with a guard rotation-preventing unit 16e is shown in a partial section.
  • the guard rotation preventing unit 16d is provided for preventing rotation between a guard unit 14d and a hand tool 12e not shown in detail at the same time as reaching a working position of the guard unit 14e during assembly, and for this purpose has an anti-rotation member 28e formed by a detent cam integrally with a shutter member 46e a closure unit 20e is formed.
  • the closure unit 20e is analogous to the description to FIG. 5 formed, wherein the anti-rotation element 28 e is arranged on a clamping lever and extends from this in a closed state of the closure unit 20 e in a radial direction 80 e inwardly.
  • the anti-rotation element 28e engages in one of a plurality of anti-rotation elements 34e, 36e which are analogous to the description FIG. 3 are arranged on a receiving flange 86e of a receiving unit 60e.
  • a clamping band 84e has a recess 122e, through which the anti-rotation element 28e engages to reach the position for securing against rotation.
  • a hand-held power tool system 10f is shown with a protective cover anti-rotation lock unit 16f in a partial section.
  • the guard rotation preventing unit 16f is provided for preventing rotation between a guard unit 14f and a hand tool 12f not shown in detail at the same time as reaching a working position of the guard unit 14f during assembly, and has an anti-rotation member 28f integrally formed with a shutter member 46f of a shutter unit 20f is.
  • the closure element 46f is formed by a tensioning lever, which is rotatably mounted on an end region 88f of a tension band 84f formed by an eyelet.
  • the cocking lever has a recess 140f through which another end portion 90f of the tightening strap 84f engages, the end portion 90f having a continuous rising outward contour as viewed from the tightening strap 84f such that when the locking unit 20f is closed, a tightening strap diameter is reduced and retracted effective frictional connection between the protective hood unit 14f and a receiving unit 60f can be generated.
  • An embodiment of the tension band 84f and the receiving unit 60f for achieving an anti-rotation position is analogous to the description FIG. 6 educated.
  • the power tool system 10f in the FIGS. 7a and 7b a positioning device 124f, which is analogous to the description of the FIGS. 4a and 4b is trained.
  • FIG. 7c is one to the FIGS. 7a and 7b alternative embodiment of a positioning 124f shown.
  • a positioning member 126f extends on the tension band 84f perpendicular to a circumferential direction 62f, 64f of the tension band 84f and, in a mounted state of the guard unit 14f, faces away from a tool.
  • positioning members 142f of the positioning device 124f formed on the receiving unit 60f of notches are arranged in a circumferential direction 62f, 64f successively on a base member 98f of the receiving unit 60f about a receiving flange 86f.
  • FIGS. 8a and 8b a hand-held power tool system 10g with a guard anti-rotation lock unit 16g is shown in a partial section.
  • the guard rotation preventing unit 16g is provided for preventing rotation between a guard unit 14g and a hand tool 12g not shown in detail at the same time as reaching a working position of the guard unit 14g during assembly, and has an anti-rotation member 28g movably supported on a shutter member 46g of a shutter unit 20g is.
  • the anti-rotation element 28g has a recess 144g, through which the closure element 46g engages.
  • the closure element 46g is analogous to FIG. 1 formed by a clamping screw.
  • a movement into an anti-rotation position takes place when a protective hood unit 14g is fastened in a working position, in that the anti-rotation element 28g is brought into the anti-rotation position by means of a frictional connection with the clamping screw ( FIG. 8b ).
  • a positive connection between the clamping screw and the anti-rotation element 28g is conceivable.
  • a receiving flange 86g has a plurality of anti-rotation elements 34g formed by a respective recess, of which in FIG FIG. 8a only one is visible. The recesses are successively arranged on a receiving flange 86g along a circumferential direction 62g, 64g in a radially outward edge region 146g.
  • a hand-held power tool system 10h is shown with a guard rotation preventing unit 16h, a receiving unit 60h and a protective hood unit 14h.
  • the guard rotation preventing unit 16h is provided for preventing rotation between the guard unit 14h and a hand tool 12h at the same time as reaching a working position of the guard unit 14h during assembly, and has an anti-rotation member 34h movably disposed on the receiving unit 60h.
  • the anti-rotation element 34h is arranged on a base element 98h of the receiving unit 60h and extends outward in a radial direction 80h from a receiving flange 86h.
  • the anti-rotation element 34h is held by a spring element not shown in an anti-rotation position.
  • the anti-rotation member 34h is integrally formed with a lever member 52h, with which a release of the anti-rotation element 34h from the anti-rotation position can be manually achieved by an operator.
  • a clamping band 84h of a closure unit 20h has a plurality of anti-rotation elements 28h, 30h formed by a respective recess, which are arranged successively on the clamping band 84h in a circumferential direction 62h, 64h.
  • the recesses are arranged on an edge region 128h of the clamping band 84h facing the basic element 98h.
  • a hand-held power tool system 10i is shown with a guard rotation-preventing unit 16i, a partially illustrated receiving unit 60i and a protective hood unit 14i.
  • the guard rotation preventing unit 16i is provided for preventing rotation between the guard unit 14i and a hand tool at the same time as reaching a working position of the guard unit 14i during assembly, and has three anti-rotation elements 28i, 30i, 32i integrally formed with a guard 22i of the guard unit 14i ,
  • the three anti-rotation elements 28i, 30i, 32i of the protective hood unit 14i are formed as a toothing and are arranged one after the other in the circumferential direction 62i, 64i.
  • the toothings are arranged on an edge region 148i of a protective hood body 76i of the protective hood 22i facing the protective collar collar 82i and extend inward from the protective hood 22i or within a plane of the protective hood body 76i in the radial direction 80i so that they are substantially perpendicular to a circumferential direction 62i , 64i of the protective hood collar 82i are aligned.
  • the teeth are integrally formed on the protective hood 22i by means of a stamping bending process.
  • a receiving flange 86i of the handheld power tool has a plurality of anti-rotation elements 34i, 36i, each formed by a positive locking element, which are formed integrally with the receiving flange 86i.
  • the anti-rotation elements 34i, 36i arranged on the receiving flange 86i form a circumferentially extending toothing, wherein the anti-rotation elements 34i, 36i are arranged on one side 68i of the receiving flange 86i in a radially outer edge region 152i in the radial direction 80i, the side 68i being in an operation of FIG Hand tool is facing a tool.
  • the anti-rotation locking elements 28i, 30i, 32i, 34i, 36i engage in each other or are in an anti-rotation position and the guard 22i is secured against undesirable twisting in the event of a bursting tool during operation.
  • the anti-rotation elements 28i, 30i, 32i of the protective cover 22i engage in the anti-rotation elements 34i, 36i during an insertion operation of the protective hood unit 14i on the receiving unit 60i of the protective hood unit 14i in a direction 108i of a hand tool housing.
  • a hand-held power tool system 10j is shown with a guard rotation preventing unit 16j, a receiving unit 60j and a guard unit 14j.
  • the guard rotation-preventing unit 16j has a form-fitting unit 26j which is provided to prevent rotation of a protective hood 22j on a hand-held power tool at the same time as attachment of the guard unit 14j to the hand-held power tool.
  • the anti-rotation elements 28j can also be arranged on the clamping band 84j instead of on the protective collar collar 82j in an alternative embodiment of the invention.
  • the anti-rotation elements 28j are integrally formed with the protective collar collar 82j and arranged in a circumferential direction successively on the protective collar collar 82j.
  • the receiving unit 60j also has a plurality of anti-rotation elements 34j, which are formed integrally with the receiving unit 60j.
  • the anti-rotation elements 34j are formed by recesses and are arranged successively in the circumferential direction about a receiving flange 86j on a base member 98j of the receiving unit 60j.
  • the receiving unit 60j has an edge element 154j in the area of the anti-rotation elements 34j.
  • the edge member 154j is oriented substantially parallel to a surface 81j of the receiving flange 86j facing in the radial direction 80j and formed integrally with the receiving unit 60j.
  • the edge element 154j is arranged spaced from the surface 118j on the receiving unit 60j, wherein the anti-rotation elements 34j are arranged between the edge element 154j and the surface 118j.
  • the edge element 154j used for the anti-rotation elements 34j has a support element 158j which extends inward in a radial direction 80j.
  • the support element 158j supports a movement element 54j formed by a spring element 56j, which is arranged on the protective hood unit 14j.
  • the protective hood unit 14j for this purpose also has an edge element 160j which extends outward in the radial direction 80j from the protective collar collar 82j and is arranged on an edge region of the protective collar collar 82j facing the anti-rotation elements 34j.
  • the spring element 56j is arranged on the edge element 160j.
  • the guard unit 14j For disassembly of the guard unit 14j, it must be raised so that the anti-rotation elements 28j, 34j are disengaged, and subsequently rotated so that the two rim elements 154j, 160j are circumferentially spaced, and the guard unit 14j can be detached by an operator ,
  • a hand-held power tool system 10k having a guard rotation preventing unit 16k, a receiving unit 60k and a guard unit 14k.
  • the protective cover anti-rotation lock unit 16k has a force-locking unit 24k, which is provided to prevent rotation of a protective hood 22k on a hand-held power tool at the same time as fastening the protective hood unit 14k to the hand-held power tool.
  • a receiving unit 60k and a protective hood collar 82k each have an anti-rotation element 28k, 34k, which are each formed by a coated surface with an increased coefficient of friction.
  • the surfaces of the protective collar collar 82k and the receiving flange 86k have a desired coefficient of friction due to a choice of material and / or a surface treatment.
  • the protective hood unit 14k is fastened in a force-locking manner to the receiving unit 60k by means of a locking unit 20k.
  • the coated surfaces are arranged adjacent to one another in a mounted state of the protective hood unit 14k, so that, in the case of a bursting tool, an anti-rotation lock arises due to frictional engagement between the two coated surfaces or between the protective hood unit 14k and the handheld power tool.
  • a hand-held power tool system 101 with a guard rotation-preventing unit 161, a receiving unit 601 and a protective hood unit 141 is shown in a partial section.
  • the guard anti-rotation lock unit 161 has a positive locking unit 261, which takes place to prevent rotation of a guard 221 on a hand tool at the same time as attaching the guard unit 141 to the power tool.
  • the receiving unit 601 a plurality of, in the circumferential direction 621, 641 successively arranged anti-rotation elements 341, 361 of the guard anti-rotation lock unit 161, which form a toothing and extending at a radially outer edge region 801 outer side 1461 on a side 681 thereof, wherein the side 681 in one assembled state of the power tool system 101 facing a tool.
  • Another anti-rotation element 281, which is formed by a toothing corresponding to the anti-rotation elements 341, 361 of the receiving unit 601, is arranged on the protective hood unit 141.
  • the anti-rotation element 281 is integrally formed with an unlocking element 581, which is mounted in the radial direction 801 movable on the protective cover 221.
  • the unlocking element 581 is integrally formed on an outer contour of the protective hood 221, the unlocking element 581 being arranged in the radial direction 801 at a distance from a protective hood edge 781 of the protective hood 221, so that a movement of the unlocking element 581 into an anti-rotation position or out of the anti-rotation position is possible ,
  • a protective hood collar 821 has a recess 1621, through which the unlocking element 581 engages together with the anti-rotation element 281.
  • the guard anti-rotation lock unit 161 has a movement element 541 formed by a spring element 561, which moves the unlocking element 581 in the radial direction Direction 801 inwardly supported on a guard collar 821.
  • An anti-rotation position of the anti-rotation element 281 with the anti-rotation elements 341, 361 of the receiving unit 601 is achieved when the unlocking element 581 is in an outer end position in the radial direction 801.
  • the unlocking element 581 is pressed inwards by an operator against a spring force of the spring element 561 and the anti-rotation element 281 of the protective hood unit 141 is pushed out of engagement with the anti-rotation elements 341, 361 of the receiving unit 601. A change in position of the protective hood unit 141 on the hand tool is thus possible.
  • FIG. 14 a hand-held power tool system 10m with a protective hood anti-rotation unit 16m, a receiving unit 60m and a protective hood unit 14m is shown in a partial section.
  • the protective cover anti-rotation lock unit 16m has a form-locking unit 26m which is provided to prevent rotation of a protective hood 22m on a hand-held power tool at the same time as securing the protective hood unit 14m to the hand-held power tool.
  • a receiving unit 60m several, in the circumferential direction 62m, 64m successively arranged anti-rotation elements 34m, 36m of the guard anti-rotation lock unit 16m, which are each formed by a recess and arranged on a radially outer 80m outer edge region 146m.
  • the guard anti-rotation lock unit 16m further anti-rotation elements 28m, 30m, 32m, which are integrally formed with an unlocking element 58m, wherein the unlocking element 58m is arranged on a side facing away from a tool 164m of a guard body 76m of a protective hood 22m.
  • the unlocking element 58m is arranged tangentially to the receiving unit 60m on the protective hood 22m in a working position of the protective hood unit 14m, wherein the anti-rotation elements 28m, 30m, 32m extend inward in the radial direction 80m on a side 166m of the unlocking element 58m facing the receiving unit 60m.
  • the unlocking element 58m has two recesses 168m formed by oblong holes, by means of which the unlocking element 58m is mounted so as to be movable inwardly or outwardly on the protective cover 22m.
  • 168m screws 170m are mounted in the recesses, which are screwed to the protective cover 22m.
  • the guard rotation preventing unit 16m has a moving element 54m formed by a spring element 56m, which is supported on the protective cover 22m.
  • the unlocking element 58m protrudes beyond the guard body 76m with both end portions 172m so that the unlocking member 58m can be easily moved by an operator from its anti-rotation position. Actuation by the operator may be at both end portions 172m.
  • an embodiment of the anti-rotation elements 28m, 30m, 32m of the protective hood unit 14m and the recesses of the receiving unit 60m allows easy insertion of the protective hood unit 14m on the hand tool by the protective hood 22m with the help of the. 1 by the anti-rotation elements 28m, 30m, 32m of the guard unit 14m
  • Spring element 56m is centered in the working position.
  • FIG. 15 is one too FIG. 14 alternative hand tool system 10n.
  • the hand-held power tool system 10n differs from FIG. 14 in that an unlocking element 58n of a protective cover anti-rotation lock unit 16n is formed integrally with an anti-rotation element 28n and is rotatably mounted on a protective cover body 76n of a protective cover 22n via a rotary bearing 174n.
  • An axis of rotation of the unlocking element 58n is aligned substantially perpendicular to a protective hood body 76m.
  • the unlocking member 58n is held together with the anti-rotation member 28m in an anti-rotation position with a receiving unit 60m by means of a moving member 54m formed by a spring member 56m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Portable Power Tools In General (AREA)
  • Sawing (AREA)
  • Harvester Elements (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Claims (20)

  1. Système de machine-outil portative avec une machine-outil portative (12a-n), en particulier une meuleuse d'angle, avec une unité de capot de protection (14a-n) et une unité de blocage de rotation du capot de protection (16a-n), qui est prévue pour un blocage de rotation entre l'unité de capot de protection (14a-n) et la machine-outil portative (12a-n) pendant un cas de dommage d'un outil (18a-n), dans lequel l'unité de blocage de rotation du capot de protection (16a-n) est prévue pour un blocage de rotation entre l'unité de capot de protection (14a-n) et la machine-outil portative (12a-n) également avec une fixation de l'unité de capot de protection (14a-n) à la machine-outil portative (12a-n) dans une position de travail de l'unité de capot de protection (14a-n), caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a-n) présente au moins un élément de blocage de rotation (28a, 30a, 32a; 28b-g); 28h, 30h; 28i, 30i, 32i; 28-1; 28m, 30m, 32m; 28n) disposé sur l'unité de capot de protection (14a-n) et un élément de blocage de rotation (34a-n; 36a-g; 36i-j; 361-n) disposé sur la machine-outil portative (12a-n), qui dans la position de travail de l'unité de capot de protection (14a-n) sont disposés au moins partiellement dans une position de blocage de rotation, dans lequel l'unité de blocage de rotation du capot de protection (16a-b; 16i; 161-n) présente au moins un élément de mouvement (54a-b; 54i; 541-n), qui déplace l'élément de blocage de rotation (28a, 30a, 32a; 28b; 28i; 281; 28m; 30m, 32m; 28n) dans une position de blocage de rotation lorsque l'on atteint la position de travail de l'unité de capot de protection (14a-b; 14i; 141-n), dans lequel l'unité de mouvement (54a-b; 54i; 541-n) est formée par un élément de ressort (56a-b; 56i; 561-n).
  2. Système de machine-outil portative selon la revendication 1, caractérisé en ce que l'unité de capot de protection (14a-h) présente une unité de fermeture (20a-h), sur laquelle l'unité de blocage de rotation du capot de protection (16a-h) est disposée au moins en partie.
  3. Système de machine-outil portative selon la revendication 1, caractérisé en ce que l'unité de capot de protection (14i-n) présente un capot de protection (22i-n), sur lequel l'unité de blocage de rotation du capot de protection (16i-n) est disposée au moins en partie.
  4. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16k) présente une unité d'assemblage par force (24k), qui est prévue pour un blocage de rotation par force entre l'unité de capot de protection (14k) et la machine-outil portative (12k).
  5. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a-j, 161-n) présente une unité d'assemblage par emboîtement (26a-j, 261-n), qui est prévue pour un blocage de rotation par emboîtement entre l'unité de capot de protection (14a-j, 141-n) et la machine-outil portative (12a-j, 121-n).
  6. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de blocage de rotation (28a, 30a, 32a; 28c; 28d) est formé au moins en partie par un élément d'encliquetage (38a, 40a, 42a; 38c; 38d), qui est prévu pour bloquer un mouvement de l'unité de capot de protection (14a; 14c; 14d) dans au moins une direction.
  7. Système de machine-outil portative au moins selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de blocage de rotation (28c-f; 28h, 30h; 28i, 30i, 32i; 28-k) est réalisé au moins en partie d'une seule pièce avec une unité de fermeture (20c-f; 20h) et/ou un capot de protection (22i-k) de l'unité de capot de protection (14c-f; 14h-k).
  8. Système de machine-outil portative au moins selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de fermeture (20e-g) présente au moins un élément de fermeture (46e-g), sur lequel l'élément de blocage de rotation (28e-g) est disposé.
  9. Système de machine-outil portative au moins selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de blocage de rotation (28a, 30a, 32a; 28b; 28g; 281-n) est monté de façon déplaçable sur une unité de fermeture (20a-b; 20g) et/ou sur un capot de protection (221-n) de l'unité de capot de protection (14a-b; 14g; 141-n).
  10. Système de machine-outil portative au moins selon la revendication 9, caractérisé en ce que l'élément de blocage de rotation (28a, 30a, 32a; 28b; 28n) est monté de façon rotative au moins partiellement autour d'un axe de pivotement (50a-b; 50n).
  11. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a-b; 16h; 16n) présente au moins un élément de levier (52a-b; 52h; 52n), sur lequel l'élément de blocage de rotation (28a, 30a, 32a; 28b; 34h; 28n) est disposé au moins en partie.
  12. Système de machine-outil portative au moins selon la revendication 11, caractérisé en ce que l'élément de levier (52a-b; 52h; 52n) est monté de façon au moins partiellement rotative sur la machine-outil portative (12h) et/ou sur l'unité de capot de protection (14a-b; 14n).
  13. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a-b; 16h; 161-n) présente au moins un élément de déverrouillage (58a-b; 58h; 581-n), qui est prévu pour un déplacement de l'élément de blocage de rotation (28a, 30a, 32a; 28b; 34h; 281, 28m, 30m, 32m; 28n) à partir de la position de blocage de rotation.
  14. Système de machine-outil portative selon la revendication 13, caractérisé en ce que l'élément de déverrouillage (58a-b; 581-n) est monté de façon au moins partiellement déplaçable sur l'unité de capot de protection (14a-b; 14l-n).
  15. Système de machine-outil portative selon la revendication 13, caractérisé en ce que l'élément de déverrouillage (58a-b; 58h; 581-n) est réalisé au moins en partie d'une seule pièce avec l'élément de blocage de rotation (28a, 30a, 32a; 28b; 34h; 281; 28m, 30m, 32m; 28n).
  16. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que la machine-outil portative (12a-n) présente une unité de réception (60a-n) pour le montage d'un outil (18a-n), sur laquelle le dispositif de blocage de rotation (34a-n; 36a-g; 36i-j; 361-n) est disposé.
  17. Système de machine-outil portative selon la revendication 16, caractérisé en ce que l'élément de blocage de rotation (34h) disposé sur l'unité de réception (60h) est disposé de façon déplaçable sur l'unité de réception (60h).
  18. Système de machine-outil portative selon une revendication 16-17, caractérisé en ce que l'élément de blocage de rotation (34a-n; 36a-g; 36i-j; 361-n) disposé sur l'unité de réception (60a-g; 60i-n) est réalisé au moins en partie d'une seule pièce avec l'unité de réception (60a-g; 60i-n).
  19. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a; 16h-i; 16m) présente au moins deux éléments de blocage de rotation (28a, 30a, 32a; 28h, 30h; 28i, 30i, 32i; 28m, 30m, 32m), qui sont disposés sur l'unité de capot de protection (14a; 14h-i; 14m) l'un derrière l'autre dans une direction périphérique (62a, 64a; 62h-i, 64h-i; 62m, 64m).
  20. Système de machine-outil portative selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de blocage de rotation du capot de protection (16a-g; 16i-j; 161-n) présente au moins deux éléments de blocage de rotation (34a-g, 36a-g; 34i-j, 36i-j; 341-n, 361-n), qui sont disposés sur la machine-outil portative (12a-g; 12i-j; 121-n) l'un derrière l'autre dans une direction périphérique (62a-g, 64a-g; 62i-j, 64i-j; 621-n, 64l-n).
EP07822425.0A 2006-11-13 2007-11-09 Système de machine-outil portative Active EP2106323B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610053305 DE102006053305A1 (de) 2006-11-13 2006-11-13 Handwerkzeugmaschine mit Schutzhaube, insbesondere Winkelschleifer
PCT/EP2007/062136 WO2008058910A1 (fr) 2006-11-13 2007-11-09 Système de machine-outil portative

Publications (2)

Publication Number Publication Date
EP2106323A1 EP2106323A1 (fr) 2009-10-07
EP2106323B1 true EP2106323B1 (fr) 2017-07-26

Family

ID=39004838

Family Applications (5)

Application Number Title Priority Date Filing Date
EP20070822423 Active EP2106322B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection
EP07822409.4A Active EP2106326B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection
EP07822405.2A Active EP2104590B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection
EP07822425.0A Active EP2106323B1 (fr) 2006-11-13 2007-11-09 Système de machine-outil portative
EP20070822417 Not-in-force EP2106321B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP20070822423 Active EP2106322B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection
EP07822409.4A Active EP2106326B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection
EP07822405.2A Active EP2104590B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20070822417 Not-in-force EP2106321B1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection

Country Status (6)

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US (7) US7955162B2 (fr)
EP (5) EP2106322B1 (fr)
CN (5) CN101535002B (fr)
DE (1) DE102006053305A1 (fr)
RU (5) RU2465118C2 (fr)
WO (5) WO2008058909A1 (fr)

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US20090100885A1 (en) 2009-04-23
CN101534998B (zh) 2013-12-18
EP2106326B1 (fr) 2017-01-11
US8465348B2 (en) 2013-06-18
RU2009122235A (ru) 2010-12-20
US8221197B2 (en) 2012-07-17
RU2009122232A (ru) 2010-12-20
CN101534998A (zh) 2009-09-16
DE102006053305A1 (de) 2008-05-15
RU2466848C2 (ru) 2012-11-20
CN101535002B (zh) 2014-10-08
WO2008058904A1 (fr) 2008-05-22
RU2465118C2 (ru) 2012-10-27
EP2106321A1 (fr) 2009-10-07
US20120231710A1 (en) 2012-09-13
EP2106326A1 (fr) 2009-10-07
EP2106322B1 (fr) 2014-08-06
CN101535002A (zh) 2009-09-16
EP2106321B1 (fr) 2013-07-10
EP2106323A1 (fr) 2009-10-07
WO2008058909A1 (fr) 2008-05-22
WO2008058901A1 (fr) 2008-05-22
EP2104590B1 (fr) 2016-01-27
US20090036044A1 (en) 2009-02-05
US7955162B2 (en) 2011-06-07
CN101534995A (zh) 2009-09-16
US8562395B2 (en) 2013-10-22
CN101534997A (zh) 2009-09-16
RU2463151C2 (ru) 2012-10-10
US8454411B2 (en) 2013-06-04
US20090019899A1 (en) 2009-01-22
CN101534996B (zh) 2013-05-08
US20090130961A1 (en) 2009-05-21
US20120034855A1 (en) 2012-02-09
RU2465117C2 (ru) 2012-10-27
US8460070B2 (en) 2013-06-11
WO2008058900A1 (fr) 2008-05-22
US8231436B2 (en) 2012-07-31
RU2009122230A (ru) 2011-02-20
EP2106322A1 (fr) 2009-10-07
RU2464150C2 (ru) 2012-10-20
US20090098812A1 (en) 2009-04-16
CN101534997B (zh) 2013-06-19
RU2009122212A (ru) 2010-12-20
EP2104590A1 (fr) 2009-09-30
RU2009122216A (ru) 2010-12-20
WO2008058910A1 (fr) 2008-05-22
CN101534996A (zh) 2009-09-16

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