EP1075905A2 - Handgeführter elektrischer Kombihammer - Google Patents
Handgeführter elektrischer Kombihammer Download PDFInfo
- Publication number
- EP1075905A2 EP1075905A2 EP00810525A EP00810525A EP1075905A2 EP 1075905 A2 EP1075905 A2 EP 1075905A2 EP 00810525 A EP00810525 A EP 00810525A EP 00810525 A EP00810525 A EP 00810525A EP 1075905 A2 EP1075905 A2 EP 1075905A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- switch
- switching
- actuating element
- chisel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D16/006—Mode changers; Mechanisms connected thereto
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/255—Switches
- B25D2250/261—Means for locking an operative switch on
Definitions
- the invention relates to a hand-held electric combination hammer for user-selectable use as drill or Chisel hammer, with one mounted in the housing handle against a pre-tensioning force actuatable actuating element for an electrical ON / OFF switch, a switching device for switching from drilling to chisel operation and vice versa, as well as one that can be activated by the switching device Locking device for the actuating element in its ON switch position when choosing the chisel mode.
- Rotary hammers of this type usually have one side in the housing handle hinged actuating element for an electrical ON / OFF switch, which is often used simultaneously as an actuator, for example for a potentiometer serves in particular with or continuously variable change of the engine speed such an actuator is coupled. If the device user presses this on the Actuator lying on the inside of the device handle, so the Motor drive of the hammer drill switched ON and OFF when released.
- spitting that is short successive chisel machining operations, such as edge protrusions on concrete structures after removing the formwork with a Electric chisels are removed.
- spitting that is short successive chisel machining operations, such as edge protrusions on concrete structures after removing the formwork with a Electric chisels are removed.
- the Device users generally do not run continuously.
- the invention is therefore based on the object, combined rotary / chisel hammers to improve so that a lock of the switch actuator excluded during drilling operations, however with chisel operation optional and with high long-term functionality is possible.
- the invention is in a hand-held electric combination hammer initially mentioned genus according to the invention characterized by a Locking switch, which when selecting the chisel mode in one switch position Locking device for fixing the actuating element in the ON switch position causes and ineffective in another switching position in which the actuator when released by the user under the effect a bias force jumps back to the OFF switch position.
- Fig. 1 shows the housing composed of essentially two parts a hand-held combi hammer.
- One part forms the housing shell 1 and the other the rear handle shell, briefly referred to as handle 2.
- On the left side of the housing shell 1 is an opening for receiving and rotatable Storage of a switch 3 that can be rotated through 180 ° to select the drilling operation on the one hand and the chisel operation on the other hand.
- handle 2 is in the rear Part above an actuator 17 for an ON / OFF switch (not shown) a locking switch which can be pushed back and forth across the longitudinal axis of the device 15 available.
- FIG. 2 illustrates the perspective view of the invention Switching device with locking option for the switch actuating element 17 when choosing the chisel mode.
- an eccentric 4 is provided, which at Rotating the changeover switch 3 to select the one in FIG. 2 and in FIGS. 4A, 4B Switch position "chisel operation” shown a shift rod 5 relative to the longitudinal axis of the combi hammer against the force of a pair of springs 13a, 13b at the rear, i.e. in the direction of the actuating element 17.
- the shift rod 5 has a molded guide plate 8 on the top and laterally arms 6 below, on the underside of which is also connected to the shift rod 5 longitudinally displaceable magnet holder 7 is formed.
- the shift rod 5 with guide plate 8, arms 6 and magnet holder 7 is preferably as one-piece component molded from synthetic resin.
- the guide plate 8 the shift rod 5 acts on a frame-like slide 9, which at its the Guide plate 8 facing cross bar a dome-like or as a semicircular web protruding formation 11, which in a V-shaped vertical groove 10 engages on the end of the guide plate 8 facing the slide 9.
- the slide 9 is thus one by the shape of the groove 10 and the shape 11 fixed pivot point perpendicular to the vertical axis of the combination hammer pivotable.
- the swivel angle is a few degrees and is in usually between 1 ° and 6 °; in a preferred embodiment it is the invention 2.7 ° for reasons explained in more detail below.
- the pivot angle for the slide 9 is formed on the underside Approaches 20 limits the angular range of the pivot angle of the slide 9 in both swiveling directions by a stop on the rounded front Limit guide plate 8. Recognized in the perspective view of FIG. 2 one also that the two the slide 4 and the shift rod 5 in Direction on the eccentric 4 under compression springs 13a, 13b are supported against a locking plate 14, which is also under the Effect of the springs 13a, 13b a certain pressure on the transverse to Longitudinal axis and locking switch that can be moved to the vertical axis of the combi hammer 15 exercises and by stop pin 16, the switching path of the locking switch 15 limited in one or opposite switching direction.
- the Stop pins 16 act against two upwardly projecting side walls one under the locking switch 15 penetrating extension 19 on the actuator 17th
- the pivotable slide 9, hereinafter also as a swing slide designated, has a at the web opposite the pivot point 12 Underside, preferably integrally molded cams, pins or hooks 21 (see Fig. 3A, 4A), which together with and through the slide 9 around the Pivotal point 12 perpendicular to the vertical and longitudinal axes of the combination hammer is pivotable.
- This cam, pin or hook, hereinafter only as Designated cam 21 is thus within the vertical side walls of the extension 19 positioned.
- This cam 21 is in drilling mode, i. H. in one from the locking switch 15 under the action of the springs 13a, 13b moved position of slide 9 and shift rod 5, outside of a possible displacement of one in the extension 19 of the actuating element 17th molded locking lug 22.
- the locking switch 15 also in the position shown in FIG. 3A, in which the slide 9 in its one pivoted to the left in the longitudinal direction of the combination hammer End position is at which the one (upper right in Fig. 3A) approach 20 the guide plate 8 rests and next to the cam 21 a free space of some Millimeters, for example of 4 mm due to the pivoting angle of 2.78 remains free, through which the locking projection 22 of the actuating element 17 is unimpeded can slip when the actuator 17 is released and about its pivot axis 18 in the OFF switch position under the effect a (not shown) compression spring is pivoted.
- the cam 21 can be selected by the material and / or also designed to be flexible relative to the slide by resilient articulation be so that it is in any case easily in the area of action of the locking approach 22 arrives.
- the locking device be operated continuously on the one hand is only possible with the choice of chisel operation, however on the other hand, with this chisel operating mode, the lock is set to continuous operation but also only after switching on the chisel drive by pressing the Locking switch 15 can be selected and canceled again.
- the locking switch 15 (not yet) into that in FIG. 4A illustrated locking position has been pressed, the cam 21 remains in a position raised from the locking lug 22 so that when released of the actuating element 17, the locking projection 22 next to the cam 21 can slip, and the drive is switched off.
- the user would like his combi hammer after starting chiseling set to continuous operation, he moves the locking switch 15 in Longitudinal direction of the device to the right in the position shown in Fig. 4A. He can now release the actuator 17; the return of the actuator 17 and thus switching the device drive OFF is prevented.
- the device user either switches from chisel mode to drilling mode or he moves the locking switch 15 in the longitudinal direction of the device seen to the left, that is to say in the position shown in FIG. 3A, is now the displacement path of the locking lug 22 free and the actuator 17 jumps always in the OFF position when released.
- the magnet holder integrally connected to the shift rod 5 via the arms 6 7 serves to hold and guide one at its free end (Fig. 2) used switching magnets, in particular permanent magnets or another for switching the device drive electronics from drilling operation to Chisel operation suitable element, for example an optical or electromagnetic Switching element that functionally by relative displacement of two interacting components triggers a switching function.
- suitable element for example an optical or electromagnetic Switching element that functionally by relative displacement of two interacting components triggers a switching function.
- relatively movable magnet usually with a Hall sensor (not shown) interact to switch the Drive electronics from chisel operation to hammer drilling operation and vice versa.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
- Sawing (AREA)
- Electrophonic Musical Instruments (AREA)
- Radiation-Therapy Devices (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
Description
- Bei Bohrbetrieb ist keine Arretierung des Betätigungselements für den EIN-/AUS-Schalter möglich. Eine gegebenenfalls zuvor gewählte Arretierung wird zwangsweise aufgehoben, sobald auf Bohrbetrieb umgeschaltet wird.
- Bei Meißelbetrieb ist bei einer bevorzugten Ausführungsform der Erfindung eine Arretierung des Betätigungselements für den EIN-/AUS-Schalter möglich. Diese Arretierung ist durch den Benutzer vorwählbar und kann auch während des Betriebs der Maschine gewählt oder abgeschaltet werden.
- Fig. 1
- die perspektivische Außenansicht eines Gehäuses eines elektrischen Kombihammes mit den erfindungsgemäßen Merkmalen;
- Fig. 2
- die schematische Perspektivdarstellung einer Umschalteinrichtung für einen Kombihammer mit wahlfreier Fixiermöglichkeit für ein Schalterbetätigungselement bei Wahl des Meißelbetrieb;
- Fig. 3A
- eine schematische Draufsicht-Teilschnittdarstellung der Umschaltvorrichtung bei Wahl des Bohrbetriebs;
- Fig. 3B
- die schematische Seitenansicht der Umschaltvorrichtung ebenfalls bei gewähltem Bohrbetrieb;
- Fig. 4A
- eine der Fig. 3A entsprechende Draufsicht- und Teilschnittdarstellung der Umschaltvorrichtung bei Wahl des Meißelbetriebs; und
- Fig. 4B
- eine der Fig. 3B entsprechende Seitendarstellung der Umschalteinrichtung wiederum bei Wahl des Meißelbetriebs und gewählter Arretierung des Schalterbetätigungselements.
Claims (9)
- Handgeführter elektrischer Kombihammer für durch den Benutzer umschaltbaren, wahlweisen Einsatz als Bohr- oder Meißelhammer, mit einem im Gehäusehandgriff (2) gelagerten, entgegen einer Vorspannkraft zu betätigenden Betätigungselements (17) für einen elektrischen EIN-/AUS-Schalter, einer Umschalteinrichtung (3, 4) zum Umschalten von Bohr- auf Meißelbetrieb und vice versa, sowie mit einer durch die Umschalteinrichtung aktivierbaren Arretiervorrichtung (5 - 22) für das Betätigungselement (17) in dessen EIN-Schaltposition bei Wahl des Meißelbetriebs, gekennzeichnet durch einen Arretierschalter (15), der bei Wahl des Meißelbetriebs in einer Schaltposition zur Fixierung des Betätigungselements (17) in dessen EIN-Schaltposition durch die Arretiervorrichtung dient und in einer anderen Schaltposition die Arretiervorrichtung unwirksam schaltet, in der das Betätigungselement (17) bei Freigabe durch den Benutzer unter der Wirkung der Vorspannkraft in die AUS-Schaltposition zurückspringt.
- Kombihammer nach Anspruch 1, dadurch gekennzeichnet, daß die Arretiervorrichtung eine von der Umschalteinrichtung (3, 4) betätigbare Schaltstange (5) aufweist, die auf einen an dieser schwenkbar angelenkten, durch eine Längsverschiebung der Schaltstange (5) relativ zum Gehäusehandgriff (2) verschieblichen Schieber (9) wirkt, der auf einer der Schaltstange (5) gegenüberliegenden Seite mit einem Arretierelement (21) versehen ist, das bei Betätigung des Arretierschalters (15) in der Position "Meißelbetrieb" durch Verschwenken des Schiebers (9) in den Verschiebeweg eines am federvorbelasteten Betätigungselement (17) für den EIN-/AUS-Schalter vorhandenen Arretieransatzes (22) gelangt und in dieser Schaltposition den Rückschub des Betätigungselements (17) in die AUS-Schaltposition verhindert.
- Kombihammer nach Anspruch 2, dadurch gekennzeichnet, daß zwischen der Schaltstange (5) und dem Schieber (9) ein Gelenk (10, 11, 12) vorhanden ist.
- Kombihammer nach Anspruch 2, dadurch gekennzeichnet, daß das Arretierelement (21) als mit dem Schwenkschieber (9) verbundener Nocken, Zapfen oder Haken ausgebildet ist, der bei Wahl des Meißelbetriebs und auf "Fixierung des Betätigungselements" (17) betätigtem Arretierschalter (15) in den Rückschubweg des am Betätigungselement (17) ausgebildeten Arretieransatzes (22) gelangt.
- Kombihammer nach Anspruch 3 oder 4, gekenzeichnet durch eine dem Arretierschalter (15) zugeordnete Rastplatte (14), welche die Hin- und Herverschiebung des von zwei Seiten betätigbaren Arretierschalters (15) in jeweils eine von zwei Schaltpositionen begrenzt.
- Kombihammer nach Anspruch 4, dadurch gekennzeichnet, daß am Umschalter (3, 4) von Bohr- auf Meißelbetrieb ein Exzenternocken (4) vorhanden ist, der bei Wahl des Meißelbetriebs den Schwenkschieber (9) über die Schaltstange (5) relativ zum Gerätegehäuse (1, 2) in Richtung näher zum Betätigungselement (17) entgegen der Rückschubkraft einer auf den Schwenkschieber (9) wirkenden Feder (13a, 13b) verschiebt.
- Kombihammer nach Anspruch 6, dadurch gekennzeichnet, daß die auf den Schwenkschieber (9) wirkende Rückschubkraft durch zwei parallel und in der gleichen Wirkungsebene angeordnete Druckfedern (13a, 13b) aufgebracht wird.
- Kombihammer nach Anspruch 7 in Verbindung mit Anspruch 5, dadurch gekennzeichnet, daß die beiden Druckfedern (13a, 13b) auf eine dem Drehpunkt (12) des Schwenkschiebers (9) abgekehrten Fläche des Schwenkschiebers (9) wirken und gegen die Rastplatte (14) des Arretierschalters (15) abgestützt sind.
- Kombihammer nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß mit der Schaltstange (5) ein innerhalb des Gerätegehäuses (1, 2) geführter Magnethalter (7) verbunden ist, der in Abhängigkeit von der Schaltstellung des Umschalters (3, 4) ein logisches JA-/NEIN-Schaltsignal an die Steuerelektronik des Kombihammers liefert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19937767A DE19937767B4 (de) | 1999-08-10 | 1999-08-10 | Handgeführter elektrischer Kombihammer |
DE19937767 | 1999-08-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1075905A2 true EP1075905A2 (de) | 2001-02-14 |
EP1075905A3 EP1075905A3 (de) | 2001-11-21 |
EP1075905B1 EP1075905B1 (de) | 2007-10-10 |
Family
ID=7917873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00810525A Expired - Lifetime EP1075905B1 (de) | 1999-08-10 | 2000-06-16 | Handgeführter elektrischer Kombihammer |
Country Status (8)
Country | Link |
---|---|
US (2) | US6550545B1 (de) |
EP (1) | EP1075905B1 (de) |
JP (1) | JP4729159B2 (de) |
KR (1) | KR20010049832A (de) |
CN (1) | CN1156355C (de) |
AT (1) | ATE375229T1 (de) |
DE (2) | DE19937767B4 (de) |
ES (1) | ES2292421T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002006015A1 (de) * | 2000-07-18 | 2002-01-24 | Robert Bosch Gmbh | Elektrokombihammer |
DE102015226440A1 (de) | 2015-12-22 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
Families Citing this family (41)
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DE19942156A1 (de) | 1999-09-03 | 2001-03-08 | Hilti Ag | Umschalteinrichtung für multifunktionale handgeführte Werkzeugmaschinen |
DE10240361A1 (de) * | 2002-09-02 | 2004-03-11 | Hilti Ag | Drehende und schlagende Elektrohandwerkzeugmaschine |
JP4243135B2 (ja) * | 2003-05-09 | 2009-03-25 | 株式会社マキタ | 電動ハンマドリル |
DE10326472B4 (de) * | 2003-06-12 | 2006-03-09 | Hilti Ag | Verbindungselement zum Verbinden eines Handgriffs mit einem Gehäuseteil und einem Getriebegehäuse eines Elektrohandgeräts |
DE102004012433A1 (de) * | 2004-03-13 | 2005-09-29 | Robert Bosch Gmbh | Handwerkzeugmaschine |
US8170841B2 (en) * | 2004-04-16 | 2012-05-01 | Knowledgebase Marketing, Inc. | Predictive model validation |
JP4509662B2 (ja) * | 2004-06-16 | 2010-07-21 | 株式会社マキタ | 電動打撃工具 |
ATE378152T1 (de) * | 2004-09-22 | 2007-11-15 | Black & Decker Inc | Verriegelbare drucktaste für einen bohrhammer |
DE102004052329A1 (de) * | 2004-10-27 | 2006-05-04 | Kress-Elektrik Gmbh & Co. Elektromotorenfabrik | Synchronisations- und Schalteinheit für Einknopf-Wahlschalter sowie Elektrowerkzeug mit Synchronisations- und Schalteinheit |
GB0503558D0 (en) * | 2005-02-22 | 2005-03-30 | Black & Decker Inc | Actuation apparatus for power tool |
GB0503784D0 (en) * | 2005-02-24 | 2005-03-30 | Black & Decker Inc | Hammer drill |
JP4440169B2 (ja) * | 2005-05-16 | 2010-03-24 | 株式会社マキタ | 電動打撃工具 |
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DE102006056849A1 (de) * | 2006-12-01 | 2008-06-05 | Robert Bosch Gmbh | Handwerkzeugmaschine |
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JP5326258B2 (ja) * | 2007-11-01 | 2013-10-30 | 日立工機株式会社 | 打撃工具 |
JP5180697B2 (ja) * | 2008-06-19 | 2013-04-10 | 株式会社マキタ | 手持式作業工具 |
US8800835B2 (en) * | 2008-07-17 | 2014-08-12 | Stanley Fastening Systems, Lp | Fastener driving device with mode selector and trigger interlock |
JP5405864B2 (ja) * | 2009-03-23 | 2014-02-05 | 株式会社マキタ | 打撃工具 |
JP5502352B2 (ja) * | 2009-03-23 | 2014-05-28 | 株式会社マキタ | 電動工具 |
US8689901B2 (en) * | 2010-05-12 | 2014-04-08 | X'pole Precision Tools Inc. | Electric power tool |
DE102010038750A1 (de) * | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Elektrowerkzeugmaschine mit arretierbarer Schaltwippe |
US9340108B2 (en) * | 2013-10-17 | 2016-05-17 | Kann Manufacturing Corporation | Canopy fuel tank placement |
DE102014217863A1 (de) * | 2014-05-16 | 2015-11-19 | Robert Bosch Gmbh | Handwerkzeugmaschine |
JP2016068190A (ja) * | 2014-09-30 | 2016-05-09 | 日立工機株式会社 | 電動工具 |
CN107206581B (zh) * | 2015-01-28 | 2020-11-10 | 工机控股株式会社 | 冲击工具 |
EP3219422A1 (de) * | 2016-03-14 | 2017-09-20 | Hilti Aktiengesellschaft | Verfahren zum betreiben einer werkzeugmaschine und werkzeugmaschine betreibbar mit dem vefahren |
DE102016218535A1 (de) * | 2016-09-27 | 2018-03-29 | Robert Bosch Gmbh | Schaltvorrichtung für eine tragbare Werkzeugmaschine, insbesondere einen Bohr- und/oder Meißelhammer |
JP6778071B2 (ja) | 2016-10-07 | 2020-10-28 | 株式会社マキタ | ハンマドリル |
JP6912224B2 (ja) * | 2017-03-03 | 2021-08-04 | 株式会社マキタ | 作業工具 |
CN108022771B (zh) * | 2017-12-19 | 2023-06-09 | 高斯(杭州)智能科技有限公司 | 一种磁力开关和机械式旋转手柄二合一装置 |
EP3581337A1 (de) * | 2018-06-11 | 2019-12-18 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
EP3593951A1 (de) * | 2018-07-11 | 2020-01-15 | Hilti Aktiengesellschaft | Handwerkzeugmaschine |
DE102018214092A1 (de) * | 2018-08-21 | 2020-02-27 | Robert Bosch Gmbh | Umschaltvorrichtung für einen Bohrhammer und Bohrhammer mit einer Umschaltvorrichtung |
JP7246202B2 (ja) * | 2019-02-19 | 2023-03-27 | 株式会社マキタ | 震動機構付き電動工具 |
JP2021122870A (ja) * | 2020-02-03 | 2021-08-30 | 株式会社マキタ | ハンマドリル |
DE102020001076A1 (de) | 2020-02-19 | 2021-08-19 | Metabowerke Gmbh | Hand-Werkzeugmaschine |
US20220176534A1 (en) * | 2020-12-07 | 2022-06-09 | Black & Decker Inc. | Power tool with multiple modes of operation and ergonomic handgrip |
JP2022188999A (ja) * | 2021-06-10 | 2022-12-22 | 株式会社マキタ | 回転打撃工具 |
JP2022188996A (ja) * | 2021-06-10 | 2022-12-22 | 株式会社マキタ | 回転打撃工具 |
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-
1999
- 1999-08-10 DE DE19937767A patent/DE19937767B4/de not_active Expired - Fee Related
-
2000
- 2000-06-16 EP EP00810525A patent/EP1075905B1/de not_active Expired - Lifetime
- 2000-06-16 ES ES00810525T patent/ES2292421T3/es not_active Expired - Lifetime
- 2000-06-16 AT AT00810525T patent/ATE375229T1/de not_active IP Right Cessation
- 2000-06-16 DE DE50014702T patent/DE50014702D1/de not_active Expired - Lifetime
- 2000-07-21 KR KR1020000041844A patent/KR20010049832A/ko not_active Application Discontinuation
- 2000-08-04 CN CNB001225278A patent/CN1156355C/zh not_active Expired - Fee Related
- 2000-08-09 US US09/635,282 patent/US6550545B1/en not_active Expired - Lifetime
- 2000-08-10 JP JP2000242213A patent/JP4729159B2/ja not_active Expired - Fee Related
-
2003
- 2003-02-24 US US10/372,748 patent/US7044234B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3540964A1 (de) * | 1985-11-19 | 1987-05-21 | Bosch Gmbh Robert | Motorisch angetriebenes handwerkzeug fuer bohrenden oder schlagbohrenden betrieb |
US4879438A (en) * | 1988-08-01 | 1989-11-07 | Ryobi Motor Products Corp. | Lock-on/lock-off switch for power tool |
EP0775555A1 (de) * | 1995-11-24 | 1997-05-28 | Black & Decker Inc. | Drehbohrhammer |
DE19720947A1 (de) * | 1996-06-15 | 1997-12-18 | Bosch Gmbh Robert | Elektrokombihammer |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002006015A1 (de) * | 2000-07-18 | 2002-01-24 | Robert Bosch Gmbh | Elektrokombihammer |
US6766868B2 (en) | 2000-07-18 | 2004-07-27 | Robert Bosch Gmbh | Electric combination hammer-drill |
DE102015226440A1 (de) | 2015-12-22 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
US11052526B2 (en) | 2015-12-22 | 2021-07-06 | Robert Bosch Gmbh | Hand-held power tool device |
Also Published As
Publication number | Publication date |
---|---|
KR20010049832A (ko) | 2001-06-15 |
ES2292421T3 (es) | 2008-03-16 |
JP4729159B2 (ja) | 2011-07-20 |
US6550545B1 (en) | 2003-04-22 |
DE19937767A1 (de) | 2001-02-22 |
EP1075905A3 (de) | 2001-11-21 |
CN1283537A (zh) | 2001-02-14 |
ATE375229T1 (de) | 2007-10-15 |
EP1075905B1 (de) | 2007-10-10 |
US7044234B2 (en) | 2006-05-16 |
JP2001062756A (ja) | 2001-03-13 |
US20030121678A1 (en) | 2003-07-03 |
DE50014702D1 (de) | 2007-11-22 |
CN1156355C (zh) | 2004-07-07 |
DE19937767B4 (de) | 2004-09-09 |
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