EP1339528B1 - Outil a main comportant un capteur destine a l'emission de signaux lors du remplacement de l'outil a main - Google Patents
Outil a main comportant un capteur destine a l'emission de signaux lors du remplacement de l'outil a main Download PDFInfo
- Publication number
- EP1339528B1 EP1339528B1 EP01998426A EP01998426A EP1339528B1 EP 1339528 B1 EP1339528 B1 EP 1339528B1 EP 01998426 A EP01998426 A EP 01998426A EP 01998426 A EP01998426 A EP 01998426A EP 1339528 B1 EP1339528 B1 EP 1339528B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive shaft
- hand tool
- powered hand
- sensor
- tool according
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction 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
- 238000007598 dipping method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
-
- 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
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Definitions
- the invention relates to a hand tool according to the preamble of claim 1.
- a locking device which has a rotatably guided in a housing relative to the drive shaft locking pin, which can be brought via an actuating button with a rotatably connected to the drive shaft teeth in engagement.
- EP 0 904 896 A2 discloses a grinding machine tool holder for a hand-held angle grinding machine.
- the angle grinder has a drive shaft which has a thread on the tool side.
- the grinding machine tool holder has a driver and a clamping nut.
- the driver is pushed with a mounting hole on a collar of the drive shaft and clamped over the clamping nut frictionally against a bearing surface of the drive shaft.
- the driver has a tool-side in the axial direction extending collar having radially on two opposite sides on its outer circumference recesses extending in the axial direction to a bottom of the collar. Starting from the recesses extending against the drive direction of the drive shaft in each case a groove on the outer circumference of the collar. The grooves are closed against the drive direction of the drive shaft and taper axially from the recesses against the drive direction of the drive shaft.
- the grinding wheel has a hub with a mounting opening in which two opposite, radially inwardly pointing tongues are arranged.
- the tongues can be introduced into the recesses in the axial direction and then into the grooves in the circumferential direction, counter to the drive direction.
- the grinding wheel is positively connected via the tongues in the grooves in the axial direction and frictionally fixed by the tapered contour of the grooves. During operation, the adhesion increases due to acting on the grinding wheel reaction forces acting counter to the drive direction.
- a stopper which is movably mounted in an opening in the axial direction. In a working position pointing downwards with the grinding wheel, the stopper is deflected by gravity axially in the direction of the grinding wheel, closes the groove in the direction of the recess and blocks movement of the tongue located in the groove in the drive direction of the drive shaft.
- the invention relates to a hand tool, in particular a hand-held angle grinder or circular saw, with a driving device, via which an insert tool with a drive shaft is operatively connected via at least one sensor, which is arranged in particular in the driving device, at least one process step when changing an insertion tool detectable and a signal can be triggered.
- the suppression of the operation of the driving device can be achieved by various constructive solutions, for example via a mechanical and / or electromechanical coupling, etc., which may be combined with a locking device of a drive shaft. If a voltage supply can be suppressed via the signal, for example via an electrical sensor and via a switch, an inhibition of the operation can be achieved with a particularly space-saving and lightweight construction.
- a light source can advantageously be designed to be switchable via the signal, for example a warning light which signals an operator to change or not yet completely changed and / or illuminates the driving device, thus simplifying assembly and disassembly of an insertion tool, for example in dark rooms can be.
- the insert tool via at least one movable against a spring element locking element with the driving device is operatively connected, which engages in an operating position of the insert tool and the insert tool positively fixed, and the sensor at least one position of the locking element is detectable. Due to the form-fitting high security can be achieved and it can be a simple and inexpensive tool-free quick-release system created and the sensor can be easily integrated. The movement of the latching element can be detected directly or indirectly via a component moved with the latching element.
- the movably mounted latching element can be embodied in various forms that appear appropriate to the person skilled in the art, for example as an opening, projection, pin, bolt, etc., and can be arranged on the insertion tool or on the driving device.
- the latching element can be movably mounted even in a component in a bearing, for example in a flange of the driving device or in a tool hub of the insert tool.
- the latching element can also be positively connected to a movably mounted in a bearing member non-positively, positively and / or cohesively firmly or integrally formed with this, for example, with a mounted on the drive shaft component or with a tool hub of the insert tool.
- the entrainment device can at least partially be designed as a releasable adapter part or can be non-releasably connected to a drive shaft in a force-fitting, positive-locking and / or cohesive manner.
- the locking element may be designed to be movable in different directions against a spring element, such as in the circumferential direction or particularly advantageously in the axial direction, whereby a structurally simple solution and a well-detectable for the sensor positioning movement can be achieved.
- a particularly cost-effective, robust and structurally simple solution can also be achieved by an electrical switching element forming the sensor can be actuated via the latching element. If the switching element with respect to a rotational axis of the drive shaft rotationally fixed or fixed to the housing, an additional rotating mass and complex contact connections between relatively rotating components can be avoided. However, at least individual parts can also be designed to rotate, for example in the region of an actuating button.
- the drive shaft can be locked via an actuating button of a locking device for changing the insertion tool and a position of the actuating button can be detected via the sensor. Additional components can be saved and a safe signal can be achieved. in principle However, it is also conceivable that the drive shaft via the signal electrically and / or electromagnetically etc. can be locked.
- the actuating button operatively connected in the direction of rotation with the drive shaft and via the actuating button for locking the drive shaft at least one operatively connected to the drive shaft in the direction of rotation connected first part with a relative to a rotational axis of the drive shaft rotatable second part is connectable.
- the solution according to the invention can be used in various hand-held power tools that appear appropriate to those skilled in the art, such as eccentric grinders, orbital sanders, brushes, drills, etc., but particularly advantageous in portable circular saws and angle grinders in which uncontrolled rotating tools can lead to particularly serious injuries.
- Fig. 1 shows an angle grinder from above with a mounted in a housing 42, not shown electric motor.
- the angle grinder can be guided via a first, in the housing 42 on the side facing away from a cutting disk 16, extending in the longitudinal direction handle 44 and a second attached to a gear housing 46 in the region of the cutting disk 16, transversely to the longitudinal direction extending handle 48 feasible.
- a drive shaft 18 can be driven via a transmission not shown in detail, at whose end facing the cutting disc 16 a driving device 12 is arranged (Fig. 2).
- the driving device 12 has on one of the cutting disk 16 side facing a drive shaft 18 firmly pressed driving flange 50 and on a side facing away from the cutting disc 16 on the drive shaft 18 axially against a concentrically arranged coil spring 28 slidably mounted drive plate 40th
- the driving flange 50 three circumferentially 32, 34 evenly distributed, extending in the axial direction 38 on the support surface 56 pins 52 for axially fixing the cutting disc 16 in the axial direction 38 against each plate spring 102 slidably mounted.
- the pins 52 have at their end facing the blade 16 each having a head which has a larger diameter than a remaining part of the pin 52 and on a driving flange 50 side facing a conical, tapered in the axial direction 36 contact surface 104 and a parallel has contact surface 56a extending support surface 104a.
- the driving flange 50 forms an axial bearing surface 56 for the cutting disk 16, which defines an axial position of the cutting disk 16 and in which 52 recesses 58 are introduced in the region of the pins. Furthermore, in the circumferential direction 32, 34 evenly distributed on the circumference three axial through holes 60 are introduced into the driving flange 50.
- drive plate 40 In the axially displaceably mounted on the drive shaft 18 drive plate 40 three bolts 30 are pressed in the circumferential direction 32, 34 in succession, in the axial direction 38 to the cutting disk 16 and a part 24 in the direction away from the cutting disk 16 axial direction 36 via the drive plate 40 extend.
- the drive plate 40 is pressed by the coil spring 28 in the direction 38 to the cutting disk 16 against the driving flange 50 and is supported on this.
- the bolts 30 protrude through the through holes 60 and extend in the axial direction 38 via the driving flange 50th
- the driving device 12 has a cup-shaped, on the cutting disc 16 side facing centrally located unlocking button, which is integral with an actuating button 22 of a locking device 20 of the drive shaft 18 is executed.
- the unlocking button has three in the circumferential direction 32, 34 evenly distributed, in the axial direction 36 for axially movably mounted drive plate 40 extending segments 62 which engage through corresponding recesses 64 of the driving flange 50 and a snap ring 66 in the drive plate 40 in the axial direction 38 against Falling out are secured.
- the unlocking button is slidably guided in an annular recess 68 in the driving flange 50 in the axial direction 36, 38.
- the cutting disc 16 has a sheet metal hub 70 which is fixedly connected to an abrasive means 72 via a non-illustrated rivet connection and pressed (Fig. 3).
- the tool hub could also be made of another, the expert appears useful material, such as plastic, etc.
- the sheet metal hub 70 has in the circumferential direction 32, 34 consecutively three evenly spaced holes 74, 76, 78, whose diameter is slightly larger than that Diameter of the bolt 30.
- the sheet metal hub 70 has three uniformly in the circumferential direction 32, 34th distributed, in the circumferential direction 32, 34 extending slots 80, 82, 84, each having a narrow portion 86, 88, 90 and a wide, made by a bore region 92, 94, 96, whose diameter is slightly larger than the diameter the heads of the pins 52.
- the sheet metal hub 70 has a centering hole 98, whose diameter is advantageously selected so that the cutting disc 16 can be clamped with a conventional clamping system with a clamping flange and a spindle nut on a conventional angle grinder. It ensures a so-called backward compatibility.
- the cutting disk 16 is pushed with its center hole 98 on an integrally formed on the support surface 56 of the driving flange 50 collar 54 through which the cutting disk 16 is radially centered with its center hole 98. Radial forces occurring during work can be taken advantage of the driving flange 50 without burdening the unlocking button 22.
- the cutting disk 16 is rotated, until the pins 52 in the designated wide areas 92, 94, 96 of the slots 80, 82, 84 of the sheet metal hub 70 engage.
- Pressing the sheet metal hub 70 against the bearing surface 56 of the driving flange 50 causes the bolts 30 in the through holes 60 and the driving plate 40 against a spring force of the coil spring 28 on the drive shaft 18 are axially displaced in the direction away from the blade 16 direction 36.
- the part 24 of the bolt 30, which faces away from the blade 16 in the axial direction 36 via the drive plate 40 protrudes, in a bearing cover 100 integrally formed, several circumferentially 32, 34 distributed pockets 26 are pushed.
- the bearing cap 100 is firmly bolted in the gear housing 46.
- the pockets 26 are rotatably mounted with respect to a rotational axis of the drive shaft 18 and the drive shaft 18 and closed in the direction of rotation, and the drive shaft 18 is locked via the driving flange 50 and the bolts 30 in the circumferential direction 32, 34 positively.
- a sensor 10 is non-rotatably arranged to a rotational axis of the drive shaft 18, via which a mounting and dismounting of the cutting disc 16 can be detected.
- a sensor 10 forming electrical switching element 14 is actuated via the bolt 30.
- a signal is triggered via which a power supply of the angle grinder is interrupted and an operation of the angle grinder or the entrainment device 12 is reliably prevented.
- the pockets 26 are designed to be radially inwardly open, which can be avoided that enforce this with dirt and dust.
- the pockets 26 could also be advantageously designed to be open in the axial direction 36 facing away from the cutting disk 16.
- the disk springs 102 press the cutting disk 16 against the contact surface 56 via the contact surfaces 104a of the pins 52.
- the pins can also be loaded by other spring elements that appear appropriate to the person skilled in the art, for example via coil springs or via a spring element extending over the entire circumference, not shown disc spring.
- the illustrated embodiment with the axially displaceably mounted pins 52 is particularly suitable for thick and / or little elastically deformable tool hubs.
- the bores 74, 76, 78 come to rest in the sheet metal hub 70 via the through holes 60 of the driving flange 50.
- the bolts 30 are moved by the spring force of the coil spring 28 axially in the direction 38 of the cutting disk 16 from the pockets 26, snap into the holes 74, 76, 78 of the sheet metal hub 70 and fix them in both circumferential directions 32, 34 form-fit.
- an audible click sound is heard by an operator, signaling that the device is ready for operation.
- the electrical switching element 14 forming the sensor 10 is actuated, and the power supply of the angle grinder is restored.
- a drive torque of the electric motor of the angle grinder can be positively transmitted from the drive shaft 18 to the driving flange 50 and the driving flange 50 via the bolts 30 on the cutting disc 16. Furthermore, a braking torque which is opposite to the drive torque during and after the switching-off of the electric motor can be transmitted in a form-fitting manner from the driving flange 50 via the bolts 30 to the cutting disk 16. An unwanted release of the blade 16 is reliably avoided.
- circumferentially 32, 34 evenly distributed three bolts 30 an advantageous uniform force and mass distribution is achieved.
- the release button is pressed.
- the drive plate 40 is thereby displaced with the bolt 30 via the unlocking button or actuating button 22 against the coil spring 28 in the axial direction 36 facing away from the cutting disk 16, whereby the bolt 30 in the axial direction 36 from its detent position or from the holes 74th , 76, 78 move the sheet metal hub 70.
- the bolts 30 engage with their parts 24 in the pockets 26, whereby the drive shaft 18 is locked in a form-locking manner in the direction of rotation 32, 34.
- the sensor 10 forming the electrical switching element 14 is actuated by the immersion of the bolt 30 in the pocket 26 via the pin 30. A signal is triggered, via which the power supply of the angle grinder is interrupted and an operation of the angle grinder or the entrainment device 12 is reliably prevented.
- the cutting disc 16 is rotated in the drive direction 34, namely until the pins 52 in the wide areas 92, 94, 96 of the slots 80, 82, 84 come to rest and the blade 16 can be removed in the axial direction 38 of the driving flange 50.
- the drive plate 40, the bolt 30 and the release button or actuator button 22 are moved by the coil spring 28 back to its original positions.
- the electrical switching element 14 forming the sensor 10 is actuated, and the power supply of the angle grinder is restored.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Claims (9)
- Machine-outil manuelle, en particulier une meuleuse d'angle ou une scie circulaire portative, avec un dispositif d'entraînement (12) permettant de relier activement un outil insérable à un arbre d'entraînement (18), et avec au moins un capteur (10) permettant de saisir au moins une étape de procédé de remplacement d'un outil insérable (16) et d'émettre un signal,
caractérisée en ce qu'
un fonctionnement du dispositif d'entraînement (12) peut être interrompu par le signal. - Machine-outil manuelle selon la revendication 1,
caractérisée en ce qu'
une alimentation électrique peut être interrompue par le signal. - Machine-outil manuelle selon la revendication 1 ou 2,
caractérisée en ce qu'
une source de lumière peut être commutée par le signal. - Machine-outil manuelle selon l'une quelconque des revendications précédentes,
caractérisée en ce que
l'outil insérable (16) est efficacement relié au dispositif d'entraînement (12) par au moins un élément d'encliquetage (30) mobile contre un élément de ressort (28), et qui s'encliquète dans une position de fonctionnement de l'outil insérable (16) et fixe l'outil insérable (16) par complémentarité de formes, et au moins une position de l'élément d'encliquetage (30) peut être détectée par le capteur (10). - Machine-outil manuelle selon la revendication 4,
caractérisée en ce que
l'élément d'encliquetage (30) peut être déplacé en direction axiale (36) contre l'élément de ressort (28). - Machine-outil manuelle selon la revendication 4 ou 5,
caractérisée en ce qu'
un élément de commutation électrique (14) formant le capteur (10) peut être actionné par l'élément d'encliquetage (30). - Machine-outil manuelle selon la revendication 6,
caractérisée en ce que
l'élément de commutation (14) est solidaire en rotation à un axe de rotation de l'arbre d'entraînement (18). - Machine-outil manuelle selon l'une quelconque des revendications précédentes,
caractérisée en ce que
l'arbre d'entraînement (18) peut être bloqué par une touche d'actionnement (22) d'un dispositif de blocage (20) pour le remplacement de l'outil insérable (16), et une position de la touche de blocage (22) peut être détectée par le capteur (10). - Machine-outil manuelle selon la revendication 8,
caractérisée en ce que
la touche de l'actionnement (22) est reliée efficacement à l'arbre d'entraînement (18) dans le sens de rotation (32, 34), et la touche d'actionnement (22) pour bloquer l'arbre d'entraînement (18), peut relier au moins une pièce (24) reliée de façon active à l'arbre d'entraînement (18) dans le sens de rotation, à une deuxième pièce (26) solidaire en rotation à l'axe de rotation de l'arbre d'entraînement (18).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10059712 | 2000-12-01 | ||
DE10059712A DE10059712A1 (de) | 2000-12-01 | 2000-12-01 | Handwerkzeugmaschine |
PCT/DE2001/004064 WO2002043920A1 (fr) | 2000-12-01 | 2001-10-26 | Outil a main comportant un capteur destine a l'emission de signaux lors du remplacement de l'outil a main |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1339528A1 EP1339528A1 (fr) | 2003-09-03 |
EP1339528B1 true EP1339528B1 (fr) | 2006-06-14 |
Family
ID=7665401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01998426A Expired - Lifetime EP1339528B1 (fr) | 2000-12-01 | 2001-10-26 | Outil a main comportant un capteur destine a l'emission de signaux lors du remplacement de l'outil a main |
Country Status (6)
Country | Link |
---|---|
US (1) | US6860792B2 (fr) |
EP (1) | EP1339528B1 (fr) |
JP (1) | JP2004513800A (fr) |
CN (1) | CN1196564C (fr) |
DE (2) | DE10059712A1 (fr) |
WO (1) | WO2002043920A1 (fr) |
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DE10306682A1 (de) * | 2003-02-13 | 2004-08-26 | C. & E. Fein Gmbh | Elektrowerkzeug |
DE102004020982A1 (de) * | 2004-04-23 | 2005-11-17 | C. & E. Fein Gmbh | Kraftgetriebenes Handwerkzeug mit Spanneinrichtung für ein Werkzeug |
DE102004050798A1 (de) * | 2004-10-19 | 2006-04-20 | Robert Bosch Gmbh | Vorrichtung zum Befestigen eines Werkzeugs an einer oszillierend antreibbaren Antriebswelle einer Handwerkzeugmaschine |
JP5016496B2 (ja) * | 2004-12-17 | 2012-09-05 | ミルウォーキー・エレクトリック・トゥール・コーポレーション | 動力工具用スマートアクセサリー |
US7179156B2 (en) * | 2005-03-23 | 2007-02-20 | Gison Machinery Co., Ltd. | Grinder with easily installable/detachable grinding disc and a linkage effect |
NL1030176C2 (nl) * | 2005-10-12 | 2007-04-17 | Bosch Gmbh Robert | Handgereedschap met verbeterde aandrijving. |
CN101163570B (zh) | 2005-11-18 | 2012-06-27 | 创科电动工具科技有限公司 | 用于打磨机的打磨垫锁定件 |
JP4859206B2 (ja) | 2006-02-20 | 2012-01-25 | 株式会社セガ トイズ | 玩具 |
DE102007036786A1 (de) * | 2007-04-19 | 2008-10-23 | Robert Bosch Gmbh | Adapter für eine motorisch angetriebene Werkzeugmaschine mit drehbar anzutreibendem Werkzeug |
DE102007035045A1 (de) * | 2007-07-19 | 2009-01-29 | C. & E. Fein Gmbh | Kraftgetriebenes Handwerkzeug |
USD619152S1 (en) | 2009-12-18 | 2010-07-06 | Techtronic Power Tools Technology Limited | Adapter |
USD623034S1 (en) | 2009-12-18 | 2010-09-07 | Techtronic Power Tools Technology Limited | Tool arbor |
DE102010000722A1 (de) * | 2010-01-07 | 2011-07-14 | Robert Bosch GmbH, 70469 | Handwerkzeugmaschinenvorrichtung |
USD646542S1 (en) | 2010-09-29 | 2011-10-11 | Milwaukee Electric Tool Corporation | Accessory interface for a tool |
USD651062S1 (en) | 2010-09-29 | 2011-12-27 | Milwaukee Electric Tool Corporation | Tool interface for an accessory |
USD653523S1 (en) | 2010-09-29 | 2012-02-07 | Milwaukee Electric Tool Corporation | Adapter for a tool |
USD651878S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD652274S1 (en) | 2010-12-14 | 2012-01-17 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD651874S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD651876S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD651877S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD651875S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
DE102011005952A1 (de) | 2011-03-23 | 2012-09-27 | Metabowerke Gmbh | Elektrohandwerkzeuggerät mit Werkzeugverlustsicherung |
DE102011113126B4 (de) * | 2011-09-14 | 2015-05-13 | Olaf Storz | Leistungseinheit und medizinisches Handgerät |
US8905822B2 (en) * | 2011-10-07 | 2014-12-09 | Black & Decker Inc. | Clamp nut |
JP5746645B2 (ja) | 2012-02-03 | 2015-07-08 | 株式会社マキタ | 作業工具 |
DE102012004457A1 (de) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Einsatzwerkzeug |
USD694596S1 (en) | 2012-06-25 | 2013-12-03 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD694598S1 (en) | 2012-06-25 | 2013-12-03 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD694599S1 (en) | 2012-06-25 | 2013-12-03 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD694076S1 (en) | 2012-06-25 | 2013-11-26 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
USD694597S1 (en) | 2012-06-25 | 2013-12-03 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
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DE3533090A1 (de) * | 1985-09-17 | 1987-03-26 | Salje Ernst | Vorrichtung zum wechseln von werkzeugen bei schleifoperationen |
DE3720512A1 (de) * | 1987-06-20 | 1988-12-29 | Hilti Ag | Handgeraet |
JPS642803A (en) * | 1987-06-25 | 1989-01-06 | Matsushita Electric Works Ltd | Clamping tool |
DE4305967C2 (de) * | 1993-02-26 | 1997-03-06 | Kress Elektrik Gmbh & Co | Schaltvorrichtung zur Spindelarretierung für Elektrowerkzeuge |
DE4336620C2 (de) * | 1993-10-27 | 1997-07-03 | Fein C & E | Elektrowerkzeug mit einer nur bei ausgeschaltetem Motor betätigbaren Spannvorrichtung |
DE19502286A1 (de) * | 1995-01-26 | 1996-08-01 | Stihl Maschf Andreas | Drehsicherung für die Antriebswelle eines drehenden Werkzeuges eines Arbeitsgerätes |
DE19612246A1 (de) * | 1996-03-21 | 1997-09-25 | Martin Otto Maschbau Gmbh | Holzbearbeitungsmaschine |
US5718621A (en) * | 1996-09-11 | 1998-02-17 | Turley; Edward Michael | Reversible angle grinder with top arbour lock |
JPH1199460A (ja) | 1997-09-29 | 1999-04-13 | Yanase Kk | 回転研磨具 |
DE29719020U1 (de) * | 1997-10-25 | 1997-12-11 | Böhrs, Horst, 32312 Lübbecke | Handwerkliches Arbeitsgerät |
TW496238U (en) * | 2000-12-26 | 2002-07-21 | Mobiletron Electronics Co Ltd | Safety structure for replacing of grinding wheel for grinder |
-
2000
- 2000-12-01 DE DE10059712A patent/DE10059712A1/de not_active Ceased
-
2001
- 2001-10-26 US US10/182,513 patent/US6860792B2/en not_active Expired - Fee Related
- 2001-10-26 EP EP01998426A patent/EP1339528B1/fr not_active Expired - Lifetime
- 2001-10-26 DE DE50110177T patent/DE50110177D1/de not_active Expired - Lifetime
- 2001-10-26 CN CN01804379.8A patent/CN1196564C/zh not_active Expired - Fee Related
- 2001-10-26 JP JP2002545883A patent/JP2004513800A/ja active Pending
- 2001-10-26 WO PCT/DE2001/004064 patent/WO2002043920A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2004513800A (ja) | 2004-05-13 |
DE10059712A1 (de) | 2002-06-20 |
CN1196564C (zh) | 2005-04-13 |
DE50110177D1 (de) | 2006-07-27 |
US6860792B2 (en) | 2005-03-01 |
CN1396853A (zh) | 2003-02-12 |
EP1339528A1 (fr) | 2003-09-03 |
WO2002043920A1 (fr) | 2002-06-06 |
US20030176147A1 (en) | 2003-09-18 |
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