EP2632642B1 - Machine-outil à main pourvue d'un organe de percussion mécanique - Google Patents

Machine-outil à main pourvue d'un organe de percussion mécanique Download PDF

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Publication number
EP2632642B1
EP2632642B1 EP11771084.8A EP11771084A EP2632642B1 EP 2632642 B1 EP2632642 B1 EP 2632642B1 EP 11771084 A EP11771084 A EP 11771084A EP 2632642 B1 EP2632642 B1 EP 2632642B1
Authority
EP
European Patent Office
Prior art keywords
drive
hand
drive member
power tool
percussion
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.)
Not-in-force
Application number
EP11771084.8A
Other languages
German (de)
English (en)
Other versions
EP2632642A1 (fr
Inventor
Chi Hoe Leong
Chuan Cheong Yew
Daniel Brogli
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 EP2632642A1 publication Critical patent/EP2632642A1/fr
Application granted granted Critical
Publication of EP2632642B1 publication Critical patent/EP2632642B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/026—Impact clutches

Definitions

  • the present invention relates to a hand tool with a mechanical percussion having a provided with at least one drive cam striker and provided with at least one output cam output shaft which is connected to a tool holder for receiving a tool, wherein the drive cam for the striking drive of the output cam in impact mode the mechanical percussion is formed.
  • Such a trained as a rotary impact wrench hand tool which has a mechanical percussion with a striker and an output shaft.
  • drive cams formed on the impactor engage in output cams provided on the output shaft such that rotational movement of the impactor is transmitted to the output shaft.
  • the drive cams drive the output cam in an associated direction of rotation, wherein in a corresponding impact generation in each case a drive cam hammer-like beats against an associated output cam.
  • Out DE 23 13 402 A1 is an impact wrench with a cup-shaped hammer guide housing known, which is provided on its inner wall with an axially parallel extending internal teeth. In the internal toothing is axially provided with an associated external toothing hammer with impact cam arranged. The impact cam beat in striking position on corresponding cam of the anvil.
  • a disadvantage of the prior art is that the impact generation in impact operation of the impact mechanism leads to a disturbing noise and thus to loss of comfort in the use of such a power tool.
  • Out EP 335 032 A1 is also known a rotary impact wrench with a rotatably mounted hammer housing.
  • rotary impact means are stored, which cooperate in the rotary impact operation with rotary impact means of the output spindle.
  • An object of the invention is therefore to provide a new hand tool that has a mechanical percussion that allows at least a reduction of noise in the impact mode.
  • a hand tool with a mechanical striking mechanism which has a provided with at least one drive cam impact body and provided with at least one output cam output shaft which is connected to a tool holder for receiving a tool.
  • the drive cam is designed for the impact drive of the output cam in the impact mode of the mechanical impact mechanism.
  • the output shaft is drivable by a pot-like drive body, which at least partially surrounds the output shaft and the impactor and is connected via a threaded connection with a drivable by an associated gear drive member.
  • the invention thus makes it possible to provide a hand tool with a mechanical percussion, in which a schlag production takes place within a pot-like drive body, which thus serves as a damping member for noise reduction in the impact generation and is also connected via a reliable and stable threaded connection with an associated drive member.
  • the threaded connection for the rotationally fixed anchoring of the drive member in the drive body is associated with an anti-rotation device, which is designed to prevent a rotation of the drive member relative to the drive body.
  • a fastening device with concentric rings is preferably formed on the drive body and on the drive member a counter-fastening device with concentric rings.
  • At least two fixing bolts are provided, via which the concentric rings of the drive body are in rotationally fixed engagement with the concentric rings of the drive member.
  • the invention thus enables the provision of a simple and cost-effective rotation.
  • the at least two fixing bolts are preferably designed to prevent unscrewing of the drive member from the drive body.
  • the drive member is supported on an axially immovably mounted in the drive body annular disc.
  • the annular disc is preferably downstream of the drive member and adapted to prevent unscrewing of the drive member from the drive body.
  • the threaded connection between the drive member and drive body can be done by inexpensive and quickly produced radial thread.
  • the transmission is designed as a planetary gear, wherein the drive member forms a planetary gear associated planet carrier.
  • the drive member preferably has recesses for receiving planetary gears of the planetary gear.
  • the drive member is mounted via an associated bearing element in a transmission housing associated with the transmission.
  • the invention thus enables a secure and reliable mounting of the drive member in the transmission housing.
  • the pot-like drive body preferably forms a cavity in which the impactor is arranged axially displaceably on the output shaft.
  • the striker can be arranged in a simple manner in the drive body.
  • the impactor is acted upon by a spring element arranged in the cavity in the direction of the output cam.
  • the direction of the output cam corresponds to an axial direction of the output shaft facing away from the tool holder.
  • the impactor is preferably supported on at least one steel ball on the drive body.
  • a mechanical hammer mechanism for a hand tool with a shock body provided with at least one drive cam and with an output shaft provided with at least one output cam and with a tool holder for Recording a tool is connected.
  • the drive cam is designed for the impact drive of the output cam in the impact mode of the mechanical impact mechanism.
  • the output shaft is drivable by a pot-like drive body which surrounds the output shaft and the impactor at least in sections and is connected via a threaded connection with a drive member drivable by a transmission associated with the power tool.
  • Fig. 1 1 shows a hand tool 100 provided with a tool holder 450 and a mechanical impact mechanism 200, which housing 110 having a handle 126.
  • the handheld power tool 100 for mains-independent power supply can be mechanically and electrically connected to a battery pack 130.
  • the hand tool 100 is exemplified as a cordless rotary impact wrench. It should be noted, however, that the present invention is not limited to cordless impact drivers, but rather may be applied to various power tools in which a tool is rotated, e.g. B. in a percussion drill, etc., regardless of whether the power tool is independent of the mains with a battery pack or network-dependent operable. In addition, it should be noted that the present invention is not limited to motor-powered hand tool machines, but is generally applicable to tools in which at Fig. 2 to 7 described Schlagmaschine 200 or 600 can be used.
  • the drive motor 114 is z. B. via a manual switch 128 actuated, d. H. can be switched on and off, and can be any type of engine, eg. As an electronically commutated motor or a DC motor.
  • the drive motor 114 is so electronically controlled or controlled that both a reversing operation, as well as specifications with respect to a desired rotational speed can be realized.
  • the operation and structure of a suitable drive motor are well known from the prior art and are therefore not further described here for the sake of brevity of the description.
  • the drive motor 114 is connected via an associated motor shaft 116 to the transmission 118, which converts rotation of the motor shaft 116 into rotation of a drive member 125. This conversion is preferably such that the drive member 125 rotates relative to the motor shaft 116 with increased torque but reduced rotational speed.
  • the drive motor 114 is illustratively arranged in a motor housing 115 and the gear 118 in a gear housing 119, wherein the gear housing 119 and the motor housing 115 are arranged in the housing 110 by way of example.
  • the mechanical percussion mechanism 200 connected to the drive member 125 is exemplarily a rotary percussion mechanism arranged in an illustrative impact mechanism housing 220, which has a striking body 500 which executes sudden high-intensity rotational pulses via associated drive cams 512, 514 and an output shaft 400.
  • impactor housing 220 is merely exemplary in nature and is not intended to limit the invention. This can also be found in striking mechanisms without separate impact mechanism housing application, the z. B. are arranged directly in the housing 110 of the power tool 100.
  • An exemplary construction of the percussion mechanism 200 is used in conjunction with a Fig. 2 and Fig. 6 shown section 150 of the power tool 100 described.
  • the tool holder 450 is provided, which is preferably designed for receiving insert tools and with an insert tool 140 with outer polygonal coupling 142 is connectable.
  • the tool holder 450 according to an embodiment also or alternatively thereto with an insert tool with polygon socket coupling, z. B. a socket, connectable.
  • the insert tool 140 is exemplified as a screwdriver bit with the external polygon coupling 142, illustratively an octagonal coupling, formed in a suitable inner receptacle (455 in Fig. 2 and 6 ) of the tool holder 450 is arranged.
  • Such a screwdriver bit and a suitable socket wrench are sufficiently known from the prior art, so that is omitted here for the purpose of scarcity of the description to a detailed description.
  • Fig. 2 shows the section 150 of Fig. 1 with the arranged in the gear housing 119 gear 118 and standing in operative connection with the output shaft 400, provided with the striking mechanism housing 220 mechanical striking 200 of Fig. 1 according to a first embodiment.
  • the mechanical Schlagtechnik 200 has as in Fig. 1 describe the drive body 300 connected to the drive member 125 of the transmission 118, which is arranged together with the impactor 500 in the striking mechanism housing 220. This is illustratively attached to the transmission housing 119.
  • the transmission 118 is a reduction gear
  • the z. B. is designed in the manner of a planetary gear and has one or more planetary stages.
  • the planetary gear 118 has a single planetary stage 201 with a sun gear 203, planetary gears 204, 205, a ring gear 208 and a planet carrier 207.
  • the sun gear 203 is drivable by a drive element 202 which is rotatably connected to the motor shaft 116 or formed on this or can be integrally formed with this.
  • the sun gear 203 and the drive element 202 are preferably also integrally formed. Since the structure and operation of a planetary gear are well known to those skilled in the art, a further description of the planetary gear 118 is omitted here for brevity of the description.
  • the planet carrier 207 is illustratively connected to the drive member 125 and preferably formed on this or formed integrally therewith. According to one embodiment, the planet carrier 207 forms a front region 270 of the drive member 125.
  • This front region 270 is designed as an example plate-shaped and flange-like and provided with a fastening device 240 for rotationally fixed attachment of the planet carrier 207 and the drive member 125 to the drive body 300.
  • a bearing journal 470 is formed, and on the opposite axial side, the front, flange-like region 270 merges into a central, cylindrical region 271.
  • the bearing pins 278, 279 are z. B. in cylindrical openings (462, 464 in Fig. 4 and 5 ) rotatably mounted.
  • the central region 271 merges into a rear, annular region 272 of the drive member 125, which illustratively in a arranged in the gear housing 119 bearings 214, z. B. a ball bearing, is rotatably mounted and a cavity 289 for receiving the sun gear 203 and the drive element 202 is formed.
  • An exemplary embodiment of the drive member 125 is shown in FIG Fig. 4 and 5 illustrated.
  • the drive member 125 and its planet carrier 207 is rotatably connected to the rotary drive of the drive body 300 with this.
  • the drive body 300 has, for example, a cooperating with the fastening device 240 Counter fastening device 340.
  • the fastening device 240 and the counter fastening device 340 illustratively form a threaded connection 199, wherein the fastening device 240, for. B. by an external thread and the mating fastening device 340 z. B. is formed by an associated internal thread.
  • the external thread 240 and the internal thread 340 have helical threads, so that the drive member 125 can be screwed into the drive body 300.
  • the drive member 125 is illustratively supported on an annular disk 247 arranged axially immovably in the drive body 300. This is the drive member 125 and the planet carrier 207 downstream and z. B. in a formed on an inner wall 320 of the drive body 300 annular groove 245 fixed.
  • the output shaft 400 is rotatably mounted in the impact mechanism housing 220 via a sliding bearing 280 and has, by way of example, a shaft body 250 provided with an annular shoulder 255. At least one and illustratively two output cams 412, 414 are formed thereon and the tool holder 450 of FIG Fig. 1 that z. B. is provided with an octagonal interior shot 455. An axial end of the shaft body 250, on which the output cams 412, 414 are provided, is illustratively rotatably mounted on the bearing journal 470 of the drive member 125, preferably slidably.
  • the output shaft 400 is at least partially enclosed by the drive body 300 according to an embodiment.
  • This is exemplified pot-shaped and has at a first axial end 351 a cup bottom-like wall 350 which is provided with an opening 360.
  • This illustratively forms an annular collar 254.
  • the cup-shaped drive body 300 has an opening 305, on which the counter-fastening device 340 is formed.
  • Illustrative has the pot-like Drive body 300, the inner wall 320 and forms a cavity 310, in which the shaft body 250 is arranged with the two output cams 412, 414 of the output shaft 400 to the ring shoulder provided at this 255, so that the output shaft 400 rotatably, but axially immovable in the drive body 300th is arranged.
  • the annular shoulder 255 bears against the ring collar 254 formed on the drive body 300 by way of example.
  • the impactor 500 is rotatably arranged and axially displaceable.
  • the impactor 500 is exemplified pot-shaped and has an outer wall 510 and a bottom wall 550, which form an interior 560. In the bottom wall 550, an opening 599 is formed, through which the shaft body 250 of the output shaft 400 passes.
  • the impactor 500 is acted upon by a likewise arranged in the cavity 310 spring element 242 in the direction of the output cam 412, 414.
  • This direction of the output cams 412, 414 corresponds to an axial direction of the output shaft 400 facing away from the tool holder 450, which is indicated by 244 by way of example.
  • the z. B the z.
  • the impactor body 500 is acted upon by the spring element 242 in the direction 244, ie in a direction corresponding to a corresponding direction of advance of the power tool 100 of Fig. 1 is axially opposite in operation.
  • This propulsion direction is in Fig. 2 exemplified with 299.
  • the impactor body 500 is supported on the drive body 300 via at least one driver ball.
  • the impactor 500 is supported on the drive body 300 via two steel balls 290, 295.
  • at least one groove-like recess for guiding the at least one driver ball is formed on the inner wall 320 of the drive body 300.
  • On the outer wall 510 of the impactor 500 is at least formed a recess or recess for supporting the at least one driver ball.
  • a recess or recess 530 for mounting the steel ball 290 and a recess or recess 535 for mounting the steel ball 295 is formed.
  • the steel balls 290, 295 are movable in the percussion mode of the mechanical percussion mechanism 200 in the V-grooves 330, 335 and the recesses or recesses 530, 535 to allow rotation of the impactor 500 relative to the output shaft 400 and relative to the drive body 300.
  • the mode of operation of a V-groove rotary impact mechanism is known in principle from the prior art, so that a detailed description of the mode of operation of the percussion mechanism 200 is dispensed with here.
  • Fig. 3 shows the cup-shaped drive body 300 of Fig. 2 with the opening 305 formed at the axial end 352 and the pot bottom-like wall 350 formed at the opposite axial end 351, which is provided with the opening 360.
  • Fig. 3 3 illustrates the V-groove 330 formed on the inner wall 320 and the counter-fastening device 340 provided in the region of the opening 305.
  • this counter-fastening device 340 has concentric rings 345 which are adapted for rotationally fixed anchoring to associated concentric rings (445 in FIG Fig. 4 and 5 ) of the drive member 125 are formed.
  • Fig. 4 shows the drive member 125 of Fig. 1 and 2 with the front, middle and rear regions 270, 271 and 272, respectively, and the planet carrier 207 provided in the front region 270, on which the bearing journal 470 and the fastening device 240 are formed by way of example.
  • the fastening device 240 has concentric rings 445 for rotationally fixed anchoring to the concentric rings (345 in FIG Fig. 3 ) of the drive body 300 of Fig. 3 on and in the central region 271 of the drive member 125 are radial recesses 452, 454 for receiving the planet gears 204 and 205 of Fig. 2 intended.
  • At the radial recesses 452, 454 are cylindrical openings 462, 464 for supporting the planetary gears 204, 205 of Fig. 2 associated bearing pin 278 and 279 formed.
  • Fig. 5 shows a sectional view of the drive member 125 of Fig. 4 to illustrate the concentric rings 445, the radial recesses 452, 454 and the cylindrical openings 462, 464, and the cavity 289.
  • the flange formed planet carrier 207 of the front portion 270 on an annular shoulder 599 in the cylindrical central portion 271 over.
  • the rear portion 272 forms an outer ring 572 for mounting in the rolling bearing 214 of FIG Fig. 2 out.
  • Fig. 6 shows the section 150 of Fig. 1 with the arranged in the gear housing 119 gear 118 and a standing in operative connection with the output shaft 400, mechanical percussion 600 according to a second embodiment.
  • the Schlagtechnik 600 can be used to realize the impact mechanism 200 of Fig. 1 and 2 serve and in contrast to this, a drive member 625, which is substantially the drive member 125 of Fig. 2 corresponds, but has a planet carrier 607, compared to the planet carrier 207 of Fig. 2 has a reduced diameter.
  • the planet carrier 607 for forming the threaded connection 199 has the in Fig. 4 and 5 shown concentric rings 445 and the drive body 300 has the in Fig. 3 shown concentric rings 345.
  • the threaded connection 199 for the rotationally fixed anchoring of the drive member 625 in the drive body 300 is associated with an anti-rotation device 640, which is designed to prevent a rotation of the drive member 625 relative to the drive body 300.
  • the anti-rotation device 640 illustratively has at least two fixing bolts 643, 645, via which the concentric rings 345 of the drive body 300 are in rotationally fixed engagement with the concentric rings 445 of the drive member 625.
  • the fixing bolts 643, 645 are designed, for example, to prevent unscrewing of the drive member 625 from the drive body 300.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Retarders (AREA)

Claims (14)

  1. Machine-outil à main (100) comprenant un outil de percussion mécanique (200) qui présente un corps de percussion (500) pourvu d'au moins une came d'entraînement (512, 514) et un arbre de sortie (400) pourvu d'au moins une came de sortie (412, 414), l'arbre de sortie étant connecté à un porte-outil (450) pour recevoir un outil (140), la came d'entraînement (512, 514) étant réalisée en vue d'un entraînement avec percussion de la came de sortie (412, 414) en mode de percussion de l'outil de percussion mécanique (200), caractérisée en ce que l'arbre de sortie (400) peut être entraîné par un corps d'entraînement en forme de pot (300), qui entoure au moins en partie l'arbre de sortie (400) et le corps de percussion (500) et qui est connecté par le biais d'une connexion filetée (199) à un organe d'entraînement (125) pouvant être entraîné par une transmission associée (118).
  2. Machine-outil à main selon la revendication 1, caractérisée en ce que la connexion filetée (199) est associée, en vue d'un ancrage solidaire en rotation de l'organe d'entraînement (625) dans le corps d'entraînement (300), à une fixation en rotation (640) qui est réalisée de manière à empêcher une rotation de l'organe d'entraînement (625) par rapport au corps d'entraînement (300).
  3. Machine-outil à main selon la revendication 1 ou 2, caractérisée en ce que pour la réalisation de la connexion filetée (199) ancrée de manière solidaire en rotation, un dispositif de fixation (240) avec des anneaux concentriques (445) est réalisé sur le corps d'entraînement (300) et un dispositif de fixation conjugué (340) avec des anneaux concentriques (345) est réalisé sur l'organe d'entraînement (625).
  4. Machine-outil à main selon la revendication 3, caractérisée en ce qu'au moins deux boulons de fixation (643, 645) sont prévus, par le biais desquels les anneaux concentriques (345) du corps d'entraînement (300) sont en engagement solidaire en rotation avec les anneaux concentriques (445) de l'organe d'entraînement (625).
  5. Machine-outil à main selon la revendication 4, caractérisée en ce que les au moins deux boulons de fixation (643, 645) sont réalisés de manière à empêcher un dévissage de l'organe d'entraînement (625) hors du corps d'entraînement (300).
  6. Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que l'organe d'entraînement (125) s'appuie contre un disque annulaire (247) monté de manière immobile axialement dans le corps d'entraînement (300).
  7. Machine-outil à main selon la revendication 6, caractérisée en ce que le disque annulaire (247) est monté après l'organe d'entraînement (125) et est réalisé de manière à empêcher un dévissage de l'organe d'entraînement (125) hors du corps d'entraînement (300).
  8. Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que la transmission (118) est réalisée sous forme de transmission planétaire, l'organe d'entraînement (125) constituant un porte-satellites (207) associé à la transmission planétaire.
  9. Machine-outil à main selon la revendication 8, caractérisée en ce que l'organe d'entraînement (125) présente des évidements (452, 454) pour recevoir des satellites (204, 205) de la transmission planétaire (118).
  10. Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que l'organe d'entraînement (125) est monté par le biais d'un élément de palier associé (214) dans un boîtier de transmission (119) associé à la transmission (118).
  11. Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps d'entraînement en forme de pot (300) constitue une cavité (310) dans laquelle est disposé le corps de percussion (500) de manière déplaçable axialement sur l'arbre de sortie (400).
  12. Machine-outil à main selon la revendication 11, caractérisée en ce que le corps de percussion (500) est sollicité par un élément de ressort (242) disposé dans la cavité (310) dans la direction des cames de sortie (412, 414), la direction des cames de sortie (412, 414) correspondant à une direction axiale (254) de l'arbre de sortie (400) tournée à l'opposé du porte-outil (450).
  13. Machine-outil à main selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de percussion (500) est supporté sur le corps d'entraînement (300) par le biais d'au moins une bille d'acier (290, 295).
  14. Outil de percussion mécanique (200) pour une machine-outil à main (100), comprenant un corps de percussion (500) pourvu d'au moins une came d'entraînement (512, 514) et un arbre de sortie (400) pourvu d'au moins une came de sortie (412, 414), l'arbre de sortie étant connecté à un porte-outil (450) pour recevoir un outil (140), la came d'entraînement (512, 514) étant réalisée en vue d'un entraînement avec percussion de la came de sortie (412, 414) en mode de percussion de l'outil de percussion mécanique (200), caractérisé en ce que l'arbre de sortie (400) peut être entraîné par un corps d'entraînement en forme de pot (300), qui entoure au moins en partie l'arbre de sortie (400) et le corps de percussion (500) et qui est connecté par le biais d'une connexion filetée (199) à un organe d'entraînement (125) pouvant être entraîné par une transmission (118) associée à la machine-outil à main (100).
EP11771084.8A 2010-10-29 2011-10-12 Machine-outil à main pourvue d'un organe de percussion mécanique Not-in-force EP2632642B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010043099A DE102010043099A1 (de) 2010-10-29 2010-10-29 Handwerkzeugmaschine mit einem mechanischen Schlagwerk
PCT/EP2011/067780 WO2012055700A1 (fr) 2010-10-29 2011-10-12 Machine-outil à main pourvue d'un organe de percussion mécanique

Publications (2)

Publication Number Publication Date
EP2632642A1 EP2632642A1 (fr) 2013-09-04
EP2632642B1 true EP2632642B1 (fr) 2014-07-23

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Application Number Title Priority Date Filing Date
EP11771084.8A Not-in-force EP2632642B1 (fr) 2010-10-29 2011-10-12 Machine-outil à main pourvue d'un organe de percussion mécanique

Country Status (5)

Country Link
US (1) US20140027140A1 (fr)
EP (1) EP2632642B1 (fr)
CN (1) CN103167935A (fr)
DE (1) DE102010043099A1 (fr)
WO (1) WO2012055700A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102017211779A1 (de) * 2016-07-11 2018-01-11 Robert Bosch Gmbh Handwerkzeugmaschinenvorrichtung
EP4021685A4 (fr) * 2019-08-29 2023-08-02 Milwaukee Electric Tool Corporation Ensemble engrenage pour un outil électrique

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SE347685B (fr) * 1970-01-14 1972-08-14 Atlas Copco Ab
DE2313402A1 (de) * 1973-03-17 1974-09-26 Bosch Gmbh Robert Drehschlagwerkzeug
US4489792A (en) * 1981-05-28 1984-12-25 Fahim Atef E F Hammer drill adapter
SE459327B (sv) * 1984-12-21 1989-06-26 Atlas Copco Ab Hydrauliskt momentimpulsverk
JPH0763938B2 (ja) * 1988-03-26 1995-07-12 信濃空圧工業株式会社 インパクトクラッチ
US5199505A (en) * 1991-04-24 1993-04-06 Shinano Pneumatic Industries, Inc. Rotary impact tool
SE509915C2 (sv) * 1997-06-09 1999-03-22 Atlas Copco Tools Ab Hydraulisk momentimpulsgeneratoror
DE19821554B4 (de) * 1998-05-14 2006-02-16 Hilti Ag Bohrgerät mit Schlagwerk
JP4008865B2 (ja) * 2003-08-01 2007-11-14 株式会社東洋空機製作所 締付具
JP4084319B2 (ja) * 2004-02-23 2008-04-30 リョービ株式会社 電動工具
JP4643298B2 (ja) * 2005-02-14 2011-03-02 株式会社マキタ 打撃工具
DE202006014850U1 (de) 2006-09-27 2006-11-23 Robert Bosch Gmbh Mechanisches Schlagwerk
JP5270197B2 (ja) * 2008-03-10 2013-08-21 株式会社マキタ 打撃工具
JP2009226568A (ja) * 2008-03-25 2009-10-08 Makita Corp 打撃工具
JP5583500B2 (ja) * 2010-07-05 2014-09-03 株式会社マキタ 打撃工具
JP2016055401A (ja) * 2014-09-12 2016-04-21 パナソニックＩｐマネジメント株式会社 インパクト回転工具

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Publication number Publication date
US20140027140A1 (en) 2014-01-30
CN103167935A (zh) 2013-06-19
EP2632642A1 (fr) 2013-09-04
DE102010043099A1 (de) 2012-05-03
WO2012055700A1 (fr) 2012-05-03

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