EP2106322B1 - Dispositif anti-rotation pour un capot de protection - Google Patents

Dispositif anti-rotation pour un capot de protection Download PDF

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Publication number
EP2106322B1
EP2106322B1 EP20070822423 EP07822423A EP2106322B1 EP 2106322 B1 EP2106322 B1 EP 2106322B1 EP 20070822423 EP20070822423 EP 20070822423 EP 07822423 A EP07822423 A EP 07822423A EP 2106322 B1 EP2106322 B1 EP 2106322B1
Authority
EP
European Patent Office
Prior art keywords
unit
protective hood
force
power tool
tool
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
EP20070822423
Other languages
German (de)
English (en)
Other versions
EP2106322A1 (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 EP2106322A1 publication Critical patent/EP2106322A1/fr
Application granted granted Critical
Publication of EP2106322B1 publication Critical patent/EP2106322B1/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 receiving flange 66a has a coding element 82a of the coding device 78a, which is formed by a recess into which the coding element 80a of the clamping band 28a during assembly of the protective hood unit 14a with the hand tool 12a is einschreibbar.
  • the protective hood unit 14a can be rotated into a working position.
  • the receiving flange 66a has a circumferential groove 38a in the circumferential direction 38a, 68a, in which the coding element 80a is guided when the protective hood unit 14a is rotated into the working position.
  • the frictional connection element 20a in this case non-positively couples to the tensioning strap 28a and / or the protective hood collar 64a of the protective hood unit 14a, a side 88a of the rolling element 32a pointing outwards in the radial direction 62a in an assembled working position of the protective hood unit 14a on the handheld power tool 12a at a radial direction 62a inwardly facing surface 90a of the clamping band 28a and / or the protective hood collar 64a of the protective hood unit 14a.
  • the guide element 30b is arranged in a receiving flange 66b in an edge region 86b of the receiving flange 66b arranged outwardly in the radial direction 62b and is tapered in a direction of rotation 98b of a tool.
  • the rolling body 32b is secured by means of a tear-off not shown in a widened end portion 104b of the guide member 30b against moving in the direction of rotation 98b during a change in position of the guard unit and / or in a disassembled guard unit.
  • the guard anti-rotation device 10e has a force-locking unit 16e with a force-locking element 20e, which positively couples to a guard unit.
  • the force-locking element 20e formed by a wedge element 36e has, in a radially outer direction 62e outer edge region 132e, circumferential recesses 134e in the circumferential direction 38e, 68e, into which a positive locking element 136e of the protective hood unit engages.
  • the positive locking element 136e is arranged on a closure unit 44e of the protective hood unit and is formed by a tab-like hook element.

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 (16)

  1. Dispositif antirotation pour un capot de protection d'une machine-outil à main (12a-f), en particulier pour une meuleuse d'angle, prévu pour empêcher la rotation entre la machine-outil à main (12a-f) et une unité de capot de protection (14a-f), comprenant une unité d'engagement par force (16a-f), l'unité d'engagement par force (16a-f) étant prévue pour empêcher une rotation entre la machine-outil à main (12a-f) et l'unité de capot de protection (14a-f), en cas d'un outil qui éclate (18a-f), l'unité d'engagement par force (16a-f) présentant au moins un élément d'engagement par force (20a-f) qui est prévu pour modifier un paramètre de forme de la machine-outil à main (12a-f) et/ou de l'unité de capot de protection (14a-f), caractérisé en ce que l'unité d'engagement par force (16a-f) présente au moins un élément d'engagement par force (20a-f) qui est supporté de manière mobile sur la machine-outil à main (12a-b ; 12d-f) et/ou sur l'unité de capot de protection (14c), l'élément d'engagement par force (20a-f) pouvant être dévié hors d'une position de repos par une impulsion d'une partie de l'outil de l'outil qui éclate, transmise à l'unité de capot de protection, et pouvant être déplacé dans une position antirotation.
  2. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que le paramètre de forme comprend une surface en section transversale (22a-b, 22d-f) d'une unité de réception (24a-b ; 24d-f) de la machine-outil à main (12a-b ; 12d-f) et/ou un diamètre (26c) d'une bande de serrage (28c) de l'unité de capot de protection (14c).
  3. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que l'unité d'engagement par force (16b) présente un élément de guidage (30b) dans lequel l'élément d'engagement par force (20b) est supporté de manière déplaçable.
  4. Dispositif antirotation pour un capot de protection selon la revendication 3, caractérisé en ce que l'élément d'engagement par force (20a ; 20b ; 20d ; 20f) est prévu pour s'accoupler au moins en partie par engagement par correspondance de forme à l'unité de capot de protection (14a ; 14b ; 14d ; 14f).
  5. Dispositif antirotation pour un capot de protection selon la revendication 3, caractérisé en ce que l'élément d'engagement par force (20c ; 20e ; 20f) est prévu pour s'accoupler au moins en partie par engagement par force avec l'unité de capot de protection (14e ; 14f).
  6. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que l'élément d'engagement par force (20a ; 20b) est formé par un corps de roulement (32a ; 32b).
  7. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que l'élément d'engagement par force (20a ; 20c) est formé par un élément excentrique (34a ; 34c).
  8. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que l'élément d'engagement par force (20d ; 20e) est formé par un élément de clavette (36d ; 36e).
  9. Dispositif antirotation pour un capot de protection selon la revendication 8, caractérisé en ce que l'élément de clavette (36d ; 36e) présente un filetage pour l'agencement sur une unité de réception (24d ; 24e) de la machine-outil à main (12d ; 12e).
  10. Dispositif antirotation pour un capot de protection selon la revendication 1, caractérisé en ce que l'élément d'engagement par force (20f) est réalisé sous forme de rampe dans une direction périphérique (38f).
  11. Système de machine-outil à main comprenant une machine-outil à main (12a-f), en particulier une meuleuse d'angle, une unité de capot de protection (14a-f) et un dispositif antirotation pour un capot de protection (10a-f) selon l'une quelconque des revendications précédentes, comprenant une unité d'engagement par force (16a-f), l'unité d'engagement par force (16a-f) étant prévue pour empêcher une rotation entre la machine-outil à main (12a-f) et l'unité de capot de protection (14a-f) en cas d'un outil qui éclate (18a-f), et l'unité d'engagement par force (16a-f) présentant au moins un élément d'engagement par force (20a-f) qui peut être dévié hors d'une position de repos par une impulsion d'une partie de l'outil de l'outil qui éclate, transmise à l'unité de capot de protection, et qui peut être déplacé dans une position antirotation.
  12. Système de machine-outil à main selon la revendication 11, caractérisé en ce que l'unité d'engagement par force (16a-f) présente au moins un élément d'engagement par force (20a-f) qui est prévu pour modifier un paramètre de forme de la machine-outil à main (12a-f) et/ou de l'unité de capot de protection (14a-f).
  13. Système de machine-outil à main selon la revendication 11 ou 12, caractérisé en ce que la machine-outil à main (12a-b, 12d-f) présente une unité de réception (24a-b ; 24d-f) dans laquelle est supporté au moins en partie l'élément d'engagement par force (20a-b ; 20d-f).
  14. Système de machine-outil à main selon la revendication 13, caractérisé en ce que l'unité de réception (24d ; 24e) est réalisée au moins en partie de manière fendue le long d'une direction périphérique (38d ; 38e).
  15. Système de machine-outil à main selon la revendication 13, caractérisé en ce que l'unité de réception (38f) présente une bague intermédiaire (42f) sur laquelle est disposé au moins en partie l'élément d'engagement par force (20f).
  16. Système de machine-outil à main selon la revendication 15, caractérisé en ce que l'unité de capot de protection (14c) présente au moins une unité de fermeture (44c) sur laquelle est disposé au moins en partie l'élément d'engagement par force (20c).
EP20070822423 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection Active EP2106322B1 (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/EP2007/062134 WO2008058909A1 (fr) 2006-11-13 2007-11-09 Dispositif anti-rotation pour un capot de protection

Publications (2)

Publication Number Publication Date
EP2106322A1 EP2106322A1 (fr) 2009-10-07
EP2106322B1 true EP2106322B1 (fr) 2014-08-06

Family

ID=39004838

Family Applications (5)

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
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
EP20070822423 Active EP2106322B1 (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

Family Applications Before (3)

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
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
EP07822425.0A Active EP2106323B1 (fr) 2006-11-13 2007-11-09 Système de machine-outil portative

Country Status (6)

Country Link
US (7) US8562395B2 (fr)
EP (5) EP2106321B1 (fr)
CN (5) CN101534997B (fr)
DE (1) DE102006053305A1 (fr)
RU (5) RU2466848C2 (fr)
WO (5) WO2008058909A1 (fr)

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RU2009122232A (ru) 2010-12-20
EP2104590B1 (fr) 2016-01-27
CN101534998B (zh) 2013-12-18
US20090036044A1 (en) 2009-02-05
CN101534996B (zh) 2013-05-08
US8562395B2 (en) 2013-10-22
EP2106326B1 (fr) 2017-01-11
US20090098812A1 (en) 2009-04-16
WO2008058901A1 (fr) 2008-05-22
EP2104590A1 (fr) 2009-09-30
RU2465118C2 (ru) 2012-10-27
RU2463151C2 (ru) 2012-10-10
EP2106323B1 (fr) 2017-07-26
US20090100885A1 (en) 2009-04-23
RU2464150C2 (ru) 2012-10-20
US20120231710A1 (en) 2012-09-13
CN101534997A (zh) 2009-09-16
RU2009122235A (ru) 2010-12-20
US20090130961A1 (en) 2009-05-21
CN101534998A (zh) 2009-09-16
CN101534997B (zh) 2013-06-19
CN101535002B (zh) 2014-10-08
RU2466848C2 (ru) 2012-11-20
RU2009122216A (ru) 2010-12-20
US8465348B2 (en) 2013-06-18
CN101534996A (zh) 2009-09-16
WO2008058910A1 (fr) 2008-05-22
EP2106321B1 (fr) 2013-07-10
WO2008058904A1 (fr) 2008-05-22
EP2106323A1 (fr) 2009-10-07
EP2106326A1 (fr) 2009-10-07
CN101535002A (zh) 2009-09-16
DE102006053305A1 (de) 2008-05-15
RU2009122230A (ru) 2011-02-20
US8231436B2 (en) 2012-07-31
EP2106321A1 (fr) 2009-10-07
RU2465117C2 (ru) 2012-10-27
US8460070B2 (en) 2013-06-11
US8221197B2 (en) 2012-07-17
EP2106322A1 (fr) 2009-10-07
US20090019899A1 (en) 2009-01-22
RU2009122212A (ru) 2010-12-20
WO2008058900A1 (fr) 2008-05-22
WO2008058909A1 (fr) 2008-05-22
CN101534995A (zh) 2009-09-16
US20120034855A1 (en) 2012-02-09
US8454411B2 (en) 2013-06-04
US7955162B2 (en) 2011-06-07

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