EP0856371A2 - Vorrichtung zur Uebertragung von impulsartigen axialen Schlägen auf ein Bohrwerkzeug - Google Patents
Vorrichtung zur Uebertragung von impulsartigen axialen Schlägen auf ein Bohrwerkzeug Download PDFInfo
- Publication number
- EP0856371A2 EP0856371A2 EP97810997A EP97810997A EP0856371A2 EP 0856371 A2 EP0856371 A2 EP 0856371A2 EP 97810997 A EP97810997 A EP 97810997A EP 97810997 A EP97810997 A EP 97810997A EP 0856371 A2 EP0856371 A2 EP 0856371A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- axial
- rotary
- striking
- impact
- adapter housing
- 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
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/005—Attachments or adapters placed between tool and hammer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
- B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/003—Details relating to chucks with radially movable locking elements
- B25D2217/0038—Locking members of special shape
- B25D2217/0042—Ball-shaped locking members
Definitions
- the invention relates to a device for transmitting pulse-like axial Strikes on a drilling tool.
- the invention also relates to a production method an attachment point using such a device.
- hand-held devices which have a rotary drive have for a drilling tool and with an impact mechanism for generating pulse-like axial blows are equipped, which are transmitted to the tool.
- the axial strokes support the degrading effect of the drilling tool especially when drilling in brittle failure substrates, such as Concrete, sandstone and the like.
- rotary impact drills are Applicant's hammer drills, which have an electropneumatic hammer mechanism, which produces axial impacts with relatively large single impact energies.
- impact drills with mechanical impact mechanisms are provided.
- the Mechanical striking mechanisms can use spring cam striking mechanisms, spring bracket striking mechanisms or simple ratchet strikes, the axial strikes with lower single impact energies generate and are well known from the prior art.
- Another type of handheld device has only one rotary drive for one in the Tool holder clamped tool.
- Such devices are for example Screwdrivers or drilling / screwdrivers, such as those in the product range the applicant are included.
- these handheld devices often also allow drilling in ductile failure Surfaces, such as in wood or metal.
- hard surfaces, such as on concrete, are hand devices without striking mechanism for axial strikes hardly usable.
- a device for transmitting pulse-like axial impacts on a drilling tool created with an adapter housing, one end of which is detachable Connection to the housing of a rotary drilling machine is formed, one inside of the adapter housing, rotatably mounted rotary driving device in operative connection, in particular in a rotationally fixed connection, with one from the housing of the rotary drilling rig projecting and rotating during operation.
- a tool holder is provided at the end of the adapter housing, in which a drilling tool can be clamped in a rotationally fixed manner.
- the striking mechanism arranged inside the adapter housing is applied. The striking mechanism is used to generate pulsed axial Impacts coupled with the rotary driving device.
- the device according to the invention is designed as an adapter, the output side of the rotating spindle protruding from the housing of a rotary drilling device can be coupled.
- the Percussion mechanism arranged within the adapter generates the rotary movement of the impulse-like axial protruding from the housing of the rotary drilling machine Blows.
- a screwdriver that only has one Has rotary drive for the rotating spindle and is equipped with no striking mechanism, too for impact-supported drilling applications in brittle, failing hard surfaces, for example in concrete.
- the axial strokes are from the rotary motion the rotating spindle is generated in the adapter and onto the tool holder Transfer the drilling tool used on the adapter.
- the adapter is also connected can be used with rotary impact drills, for example with a hammer mechanism for axial impacts are equipped with relatively high single impact energy.
- Such handheld devices are, for example, the user's rotary impact drills, which have a have electro-pneumatic hammer mechanism. In the event that axial blows with lower single impact energy is desired, this can be done within the handheld device arranged striking mechanism are switched off, and the axial blows through the striking mechanism is generated in the connected adapter.
- the inventive device also allows the known rotary impact drills with within the Hand-held striking mechanism for the proposed by the applicant to use new direct fastening technology.
- the striking mechanism is also used of the rotary impact drill.
- a device combination is therefore available Available that creates two types of axial strikes at the same time.
- the striking mechanism the adapter delivers axial blows of lower impact energy, which is used for the impact support of the drilling tool can be used.
- the frequency of the axial beats of the Striking mechanism in the adapter is due to the gear ratio when implementing the Rotary movement of the rotating spindle adjustable in the drive of the striking mechanism. She will be in usually selected higher than the frequency of the striking mechanism in the handheld device. That is preferable Electropneumatic striking mechanism of the handheld device also generates axial strikes relatively large single impact energy, which is used to drive in the tubular Fastener can be inserted into the pre-drilled hole.
- the striking element which is the axial Transfers blows to the drilling tool, not itself part of the striking mechanism.
- a racket which is coupled by the striking mechanism is periodically axially reciprocable with the rotary driving device and so impulsive axial impacts on the striking element.
- the racket is part of a Spring-cam percussion mechanism, which has a cam ring in the adapter housing is rotatably mounted and can be driven by the striking element.
- the cam ring points Cams that can be brought into operative connection with counter-cams of the racket.
- the cam ring rotatably connected to the striking element is rotatable and axially immovable stored in the adapter housing.
- This variant of the spring cam mechanism leads to a relatively short overall length of the adapter.
- the arranged within the adapter Percussion mechanism is part of a ratchet hammer mechanism.
- the bat is rotatably mounted in the adapter housing and driven by the rotating impact element.
- the racket On its side facing away from the striking element, the racket has one Spur gear on.
- the spur toothing engages in the counter toothing of a toothed washer one that is non-rotatably and axially immovable connected to the adapter housing is.
- the racket rotates relative to the toothed disc, it slides Gears against each other and lead to a periodic, pulse-like axial Racket displacement.
- the maximum axial deflection of the racket corresponds the sum of the tooth heights of the interlocking gears.
- Ratchet hammer mechanisms are well known from the prior art and are used in particular at cheaper impact drills used for home improvement. You are therefore tried and tested and are particularly easy and inexpensive to manufacture.
- the Axial blows generated by the ratchet hammer mechanism are relatively small Single impact energies; for this they can be generated with relatively high beat frequencies will.
- the Rotary driving device a sleeve mounted within the adapter housing, the is rotatably connected to the rotating spindle of the rotary drilling machine.
- the axial Rotary movement of the sleeve is arranged via rotary drivers on an inside the sleeve Intermediate striker transferable, the opposite of the sleeve and the striking element is axially displaceable.
- the striking element is advantageously wedge-shaped and in an axial slot of the Intermediate striker guided, its circumference on both sides of the axial Slit dominates. This means that it can be driven by the intermediate striker.
- the length of the axial slot is greater than the sum of the axial extent of the striking element and its maximum axial displacement due to the impact mechanism transmitted axial blows. As a result, the intermediate striker is from the striking mechanism decoupled axial impacts transmitted to the striking element.
- the intermediate striker is located on and within the adapter housing the rotating spindle of the handheld device coupled sleeve is driven in rotation. It is an advantage axial length of the intermediate striker dimensioned such that it comes from the adapter housing protrudes.
- the tool holder for the drilling tool is expediently the most protruding Area of the intermediate striker provided.
- the adapter is advantageously designed in such a way that, in conjunction with a handheld device, that in addition to a rotary drive for the rotating spindle, a striking mechanism for the Has generation of pulse-like axial impacts can be used. Doing so on the one hand, the rotary movement of the rotating spindle on the intermediate striker and the drilling tool transfer. On the other hand, the striking mechanism of the hand-held device generated axial impacts transferred to the intermediate striker. This is done in particular in the case of an electropneumatic hammer mechanism, through the striker on the device side Percussion mechanism within the rotating spindle designed as a guide tube is guided and periodically strikes the rear end of the intermediate striker. At the the intermediate striker has a stop shoulder on the opposite free front end on. In use, the stop shoulder rests on a driver to be driven into a hole Fastener from the generated by the striking mechanism of the handheld device transmit axial blows.
- a fastening point is also used Using a rotary impact drill - adapter - combination created. That is preferable electropneumatic striking mechanism of the hand-held device generates axial strikes with relative large single impact energies.
- the striking mechanism of the adapter is powered by the rotating spindle of the handheld device axial beats with a higher beating frequency Single impact energy but less.
- the drilling tool is guided axially through the fastening element. It is about that Impact element from the striking mechanism of the adapter is subjected to axial impacts.
- the axial strikes of the striking mechanism of the hand-held device are directly on the fastening element transfer that directly into the hole pre-drilled by the drilling tool is driven.
- FIG. 1 shows a first exemplary embodiment of the adapter 1 according to the invention Place a tool holder on the output side of a housing 3 of a hand-held device projecting rotary spindle 4 is coupled.
- the rotary spindle 4 is designed as a guide tube in which a periodically accelerated Flying piston 5 exerts axial blows on an anvil 6.
- the adapter housing 2 is with the housing 3 of the handheld device against axial displacement and connected against twisting.
- a locking mechanism 8 is provided for this purpose, the rotary driving devices arranged inside the adapter housing 2 are non-rotatable couples with the rotating spindle. Through the locking mechanism 8 that Adapter housing 2 positioned.
- the locking mechanism 8 corresponds to that in known handheld devices exchangeable tool holder used quick-change mechanisms. He comprises a guided inside the adapter housing 2 against the force of a spring 82 axially displaceable locking sleeve 81 with at least one Interlocking body 83 cooperates in a bore 84 one Rotary driving sleeve 7 is held, which is rotatably mounted in the adapter housing 2.
- a spring 82 axially displaceable locking sleeve 81 with at least one Interlocking body 83 cooperates in a bore 84 one Rotary driving sleeve 7 is held, which is rotatably mounted in the adapter housing 2.
- two locking bodies 83 are shown.
- Locking body 83 may be provided, which are preferably roller-shaped.
- the spring-loaded locking sleeve 81 presses the locking body 83 in Locking grooves 85, which are provided in the outer jacket of the rotary spindle 4. This makes the adapter housing 2 non-rotatable and axially immovable with the Housing 3 of the handset connected.
- the locking mechanism 8 is through axial displacement of the locking sleeve 81 against the restoring force of the Locking spring 82 can be released quickly in order to remove the adapter 1 from the hand-held device and plug in a tool holder again, for example.
- the rotary driving sleeve 7 When the adapter 1 is attached, the rotary driving sleeve 7 is non-rotatable with the rotating spindle 4 connected.
- an intermediate striker 9 In the rotary driving sleeve 7, an intermediate striker 9 is guided, which in Adapter housing 2 is rotatably and axially displaceably mounted.
- Interlocking Rotary driving bars 10 on the inside of the rotating driving sleeve 7 and on the circumference of the intermediate striker 9 transmit the rotary movement of the rotary spindle 4 to the Intermediate striker 9.
- An intermediate tool 9 provides a tool holder 11. The rotation of the Intermediate striker 9 is inserted onto a tool holder 11 Transfer drilling tool 12.
- the intermediate striker points 9 an axial slot guide 14 in which a wedge-shaped striking element 15 is guided, which is in contact with a drilling tool inserted into the tool holder 11 12 is.
- the wedge-shaped striking element 15 projects beyond the circumference of the intermediate striker 9 on both sides of the slot 14 and drives a cam ring 17 one Spring cam percussion, which is rotatably mounted in the adapter housing 2.
- the cam ring 17 is rotatable within the adapter housing 2 and against axial Moved securely stored and cooperates with a racket 18, the with Counter cam for cam ring 17 is equipped.
- the bat 18 is in one Guide sleeve 19 secured against rotation, but axially slidably mounted.
- the Guide sleeve 19 is connected to the adapter housing 2 so that it cannot rotate.
- the racket 18 is through the cams released, it is accelerated by the spring 20 in the direction of the striking element 15, until it hits there and creates an axial blow. From the wedge-shaped The impact element is then the axial impact on the tool holder 11 Transfer clamped drilling tool 12.
- the spring cam mechanism can be provided to vary the bias of the spring 20 by the guide sleeve 19 in the adapter housing 2 in different axial positions can be locked.
- an adjustment device can be located on the outside of the adapter housing 2 be provided.
- the axial strikes generated by the striking mechanism of the hand-held device are determined by the in the rotating spindle 4 guided striker 6 on the in the adapter housing 2 rotatable and axial limited displaceable intermediate striker 9 transmitted.
- the axial displaceability of the intermediate striker 9 is shown in FIG. 1 by an annular stop shoulder 71 limited to the rotary driving sleeve 7.
- the intermediate striker 9 transmits the axial strikes of the striking mechanism of the hand-held device on a tubular fastening element 13.
- the drilling tool 12 is axially through the tubular Fastening element 13 out.
- the drilling tool 12 is in contact with wedge-shaped impact element 15, which the axial impacts of the adapter housing 2nd arranged spring cam percussion transmits.
- the tubular fastener 13 is in contact with a stop shoulder 16 at the free front end of the Intermediate striker 9, which is acted upon by the striking mechanism of the hand-held device.
- the axial strikes of the two striking mechanisms are decoupled.
- the wedge-shaped striking element 15 in the slot guide 14 in the intermediate striker 9 is axial freely movable.
- the length l of the slot guide 14 is greater than the sum of the axial extent s of the striking element 15 and its maximum displacement due to the axial strikes of the striking mechanism 17, 18, 19, 20 and the maximum axial Path of displacement of the intermediate striker acted upon by the striking mechanism of the hand-held device 9. This ensures that the striking element 15 and the intermediate striker 9, which is subjected to axial impacts of different impact frequencies axially cannot come into contact and there will be a shock transmission prevented between the two components 9, 15.
- the adapter 100 shown in FIG. 3 largely corresponds to the adapter 1 from FIG. 1.
- the difference is in the striking mechanism that is inside the adapter housing 2 is arranged, and from the rotational movement of the intermediate striker 9 axial blows Generated that on the striking element clamped in the tool holder 11 Drilling tool 12 are transmitted.
- the striking mechanism shown it is a so-called ratchet hammer mechanism.
- the racket 21 is sleeve-shaped trained and rotatably mounted in the adapter housing 2.
- the bat 21 is from rotating striking element 15 drivable.
- An end toothing 23 runs here on the side of the racket 21 facing away from the striking element against a Toothing 24 of a toothed disc 22, which is secured against rotation with the adapter housing 2 and is axially immovably connected.
- the blow generated is over the wedge-shaped Transfer the impact element 15 to the drilling tool 12.
- the intermediate striker 9 can as shown in Fig. 3, in operative connection with the striker 6 of the striking mechanism of the Handset. In this way, axial strikes on the intermediate die 9 transmitted by the axial impacts of the striking mechanism 21-24 of the adapter 100 are independent.
- the decoupling of the two striking mechanisms is, as in that in FIG. 1 illustrated embodiment of the adapter 1 with spring cam percussion by Dimensioning of the length of the axial slot in the intermediate striker 9 ensured. 2 therefore apply in an analogous manner to the exemplary embodiment 3.
- the adapter according to the invention with a striking mechanism which comes from the rotary drive of the The handheld device generates an axial runout using the example of a handheld device Percussion mechanism, in particular electropneumatic percussion mechanism, have been explained.
- Percussion mechanism in particular electropneumatic percussion mechanism
- the adapter delivers pulsed axial impacts regardless of the function of the Percussion mechanism of the handheld device. This can also be switched off. It it goes without saying that the adapter can also be used in conjunction with handheld devices that have no striking mechanism.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Abstract
Description
- Fig. 1
- ein erstes Ausführungsbeispiel der erfindungsgemässen Vorrichtung im Axialschnitt;
- Fig. 2
- ein Detail des Ausführungsbeispiels gemäss Fig. 1; und
- Fig. 3
- ein zweites Ausführungsbeispiel der erfindungsgemässen Vorrichtung im Axialschnitt.
Claims (10)
- Vorrichtung zur Übertragung von impulsartigen axialen Schlägen auf ein Bohrwerkzeug (12) umfassend ein Adaptergehäuse (2), dessen eines Ende zur lösbaren Anbindung an das Gehäuse (3) eines Handgeräts, insbesondere eines Dreh-Bohrgeräts, ausgebildet ist, wobei eine innerhalb des Adaptergehäuses (2) angeordnete, rotierbar gelagerte Drehmitnahmeeinrichtung (7, 9) in Wirkverbindung, insbesondere in drehfester Verbindung, mit einer aus dem Gehäuse (3) des Handgeräts ragenden, im Betrieb rotierenden Drehspindel (4) steht, und an dessen gegenüberliegendem Ende eine Werkzeugaufnahme (11) vorgesehen ist, in die ein Bohrwerkzeug (12) drehfest einspannbar ist, wobei das rückwärtige Ende des Bohrwerkzeugs (12) in Anlage zu einem axial hin- und herbewegbaren Schlagelement (15) bringbar ist, das von einem innerhalb des Adaptergehäuses (2) angeordneten Schlagwerk (17-20; 21-24) beaufschlagt wird, welches zur Erzeugung von impulsartigen axialen Schlägen mit der Drehmitnahmeeinrichtung (7, 9) gekoppelt ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Schlagwerk (17-20; 21-24) einen durch die Kopplung mit der Drehmitnahmeeinrichtung (7, 9) periodisch axial hin- und herbewegbaren Schläger (18; 21) umfasst, der auf das Schlagelement (15) impulsartige axiale Schläge überträgt.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Schläger (18) Bestandteil eines Feder-Nocken-Schlagwerks ist, welches einen im Adaptergehäuse (2) drehbar gelagerten Nockenring (17) umfasst, der vom rotierenden Schlagelement (15) antreibar ist und Nocken aufweist, die mit Gegennocken des Schlägers (18) in Wirkverbindung stehen und, bei Rotation relativ zum Schläger (18), diesen periodisch axial, gegen die Rückstellkraft einer Feder (20) vorspannen.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Nockenring (17) drehbar und axial unverschieblich im Adaptergehäuse (2) gelagert ist und dass die Rückstellkraft der Feder (20) einstellbar ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Schläger (21) Bestandteil eines Ratschenschlagwerks ist, und im Adaptergehäuse (2) drehbar gelagert und vom rotierenden Schlagelement (15) antreibbar ist, wobei eine Stirnverzahnung (23), die an seiner dem Schlagelement (15) abgewandten Seite vorgesehen ist, mit einer Gegenverzahnung (24) einer Zahnscheibe (22) zusammenwirkt, die drehsicher und axial unverschieblich mit dem Adaptergehäuse (2) verbunden ist.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Drehmitnahmeeinrichtung eine innerhalb des Adaptergehäuses (2) gelagerte Hülse (7) umfasst, die drehfest mit der rotierenden Drehspindel (4) des Handgeräts verbindbar ist und deren Rotation über leistenförmige Drehmitnehmer (10) auf einen innerhalb der Hülse (7) angeordneten Zwischendöpper (9) übertragbar ist, der gegenüber der Hülse (7) und dem Schlagelement (15) axial verschiebbar ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass das Schlagelement (15) keilförmig ausgebildet und in einem axialen Schlitz (14) des Zwischendöppers (9) geführt ist und dessen Umfang zu beiden Seiten des axialen Schlitzes (14) überragt und von diesem (9) drehantreibbar ist, wobei die Länge (l) des axialen Schlitzes (14) grösser ist als die Summe der axialen Erstreckung (s) des Schlagelements (15) und dessen maximalen axialen Verschiebewegs infolge der vom Schlagwerk (17-20; 21-24) übertragenen axialen Schläge und des maximalen axialen Verschiebewegs des Zwischendöppers (9).
- Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Zwischendöpper (9) aus dem Adaptergehäuse (2) ragt und mit der Werkzeugaufnahme (11) für das Bohrwerkzeug (12) ausgestattet ist.
- Vorrichtung nach einem der Ansprüche 6 - 8, dadurch gekennzeichnet, dass das Handgerät ein Schlagwerk für die Erzeugung von impulsartigen axialen Schlägen aufweist, die von einem, innerhalb der als Führungsrohr ausgebildeten Drehspindel (4), axial verschiebbaren Döpper (6) periodisch auf das rückwärtige Ende des Zwischendöppers (9) übertragbar sind, der an seinem gegenüberliegenden freien Vorderende eine Anschlagschulter (16) aufweist.
- Verfahren zur Erstellung eines Befestigungspunktes, bei dem eine Aufnahmebohrung mit Hilfe eines von einem Dreh-Schlag-Bohrgerät angetriebenen Bohrwerkzeugs (12) erstellt und ein hülsenartiges Befestigungselement (13) schlagend im Untergrund verankert wird, dadurch gekennzeichnet, dass das Erstellen der Aufnahmebohrung und das Verankern des Befestigungselements (13) in einem Arbeitsgang erfolgen, wobei das Bohrwerkzeug (12) axial durch das Befestigungselement (13) geführt ist und mit impulsartigen axialen Schlägen beaufschlagt wird, deren Einzelschlagenergie geringer ist als die Einzelschlagenergie der vom Schlagwerk des Dreh-Schlag-Bohrgeräts erzeugten axialen Schläge zum Eintreiben des Befestigungselements (13) und die eine höhere Frequenz aufweisen als die Frequenz der vom Schlagwerk des Handgeräts erzeugten axialen Schläge, und dass die auf das Bohrwerkzeug (12) einwirkenden axialen Schläge mit Hilfe eines Schlagwerks (17-20; 21-24) erzeugbar sind, das in einer an das Handgerät ansteckbaren Adaptereinrichtung (1, 100) angeordnet ist und die axialen Schläge aus der vom Handgerät eingeleiteten Drehbewegung erzeugt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19703334 | 1997-01-30 | ||
DE19703334 | 1997-01-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0856371A2 true EP0856371A2 (de) | 1998-08-05 |
EP0856371A3 EP0856371A3 (de) | 2002-11-06 |
EP0856371B1 EP0856371B1 (de) | 2006-11-22 |
Family
ID=7818754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97810997A Expired - Lifetime EP0856371B1 (de) | 1997-01-30 | 1997-12-17 | Vorrichtung zur Uebertragung von impulsartigen axialen Schlägen auf ein Bohrwerkzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US6089330A (de) |
EP (1) | EP0856371B1 (de) |
AT (1) | ATE345904T1 (de) |
DE (1) | DE59712767D1 (de) |
ES (1) | ES2276417T3 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2423072Y (zh) * | 1999-12-01 | 2001-03-14 | 上海星特浩企业有限公司 | 交、直流多用途组合工具 |
CN2409024Y (zh) * | 1999-09-01 | 2000-12-06 | 上海星特浩企业有限公司 | 充电式多用途组合工具 |
DE10021355B4 (de) * | 2000-05-02 | 2005-04-28 | Hilti Ag | Schlagendes Elektrohandwerkzeuggerät mit schwingungsentkoppelten Baugruppen |
DE10059389B4 (de) * | 2000-11-30 | 2007-03-29 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem Schlagwerk |
CA2390826C (en) | 2002-06-17 | 2009-10-13 | Bob B. Ha | Hammer drill |
SE523521C2 (sv) * | 2002-09-27 | 2004-04-27 | Atlas Copco Rock Drills Ab | Slagadapter för överföring av slag och rotation från en slående bergborrmaskin till en borrsträng |
ATE464983T1 (de) * | 2003-08-06 | 2010-05-15 | Hitachi Koki Kk | Schlagbohrer |
GB2414701A (en) * | 2004-06-05 | 2005-12-07 | Black & Decker Inc | Rotary spindle for a power tool |
GB2423047A (en) * | 2005-02-10 | 2006-08-16 | Black & Decker Inc | Hammer with rotating striker |
GB2423046A (en) * | 2005-02-10 | 2006-08-16 | Black & Decker Inc | Hammer with cam mechanism and barrel surrounded by sleeve |
GB2423048A (en) * | 2005-02-10 | 2006-08-16 | Black & Decker Inc | Hammer with two reciprocating strikers |
DE102005048345A1 (de) * | 2005-10-10 | 2007-04-12 | Robert Bosch Gmbh | Handwerkzeugmaschinenzusatzeinheit |
DE102005062777A1 (de) * | 2005-12-28 | 2007-07-05 | Robert Bosch Gmbh | Schlagbolzen für ein Schlagwerk |
DE102007000453A1 (de) * | 2007-08-20 | 2009-02-26 | Hilti Aktiengesellschaft | Wechselbare Werkzeugaufnahme |
US7980322B2 (en) * | 2008-12-22 | 2011-07-19 | Alain Desmeules | Impact adapter for a rock drill |
DE102010030098A1 (de) * | 2010-06-15 | 2011-12-15 | Hilti Aktiengesellschaft | Eintreibvorrichtung |
GB201421576D0 (en) | 2014-12-04 | 2015-01-21 | Black & Decker Inc | Drill |
GB201421577D0 (en) | 2014-12-04 | 2015-01-21 | Black & Decker Inc | Drill |
DE102015206634A1 (de) * | 2015-04-14 | 2016-10-20 | Robert Bosch Gmbh | Werkzeugvorsatz für eine Handwerkzeugmaschine |
GB2548579B (en) * | 2016-03-21 | 2019-06-26 | Webster Tech Limited | A power tool comprising a tool carrier for mounting an impact tool |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442140A (en) * | 1944-11-13 | 1948-05-25 | Joseph J Mohr | Hammer attachment for rotary drills |
US2724573A (en) * | 1954-07-26 | 1955-11-22 | Axel E Lundquist | Percussion attachment for portable drills |
US3650336A (en) * | 1970-05-05 | 1972-03-21 | Rockwell Mfg Co | Power driven device |
US4489792A (en) * | 1981-05-28 | 1984-12-25 | Fahim Atef E F | Hammer drill adapter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1665173A (en) * | 1925-08-10 | 1928-04-03 | John I Misener | Hammer attachment for electric drills and the like |
US3123156A (en) * | 1959-04-16 | 1964-03-03 | gapstur | |
US3149681A (en) * | 1963-01-14 | 1964-09-22 | Ambrose W Drew | Rotary impact hammer |
US3837410A (en) * | 1973-05-23 | 1974-09-24 | R Maxwell | Rotary impact drill |
US4450919A (en) * | 1983-01-03 | 1984-05-29 | Cousineau Bernard L | Drill attachment |
DE3918227C1 (de) * | 1989-06-03 | 1990-11-15 | C. & E. Fein Gmbh & Co, 7000 Stuttgart, De |
-
1997
- 1997-12-17 DE DE59712767T patent/DE59712767D1/de not_active Expired - Lifetime
- 1997-12-17 ES ES97810997T patent/ES2276417T3/es not_active Expired - Lifetime
- 1997-12-17 AT AT97810997T patent/ATE345904T1/de active
- 1997-12-17 EP EP97810997A patent/EP0856371B1/de not_active Expired - Lifetime
-
1998
- 1998-01-30 US US09/016,377 patent/US6089330A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442140A (en) * | 1944-11-13 | 1948-05-25 | Joseph J Mohr | Hammer attachment for rotary drills |
US2724573A (en) * | 1954-07-26 | 1955-11-22 | Axel E Lundquist | Percussion attachment for portable drills |
US3650336A (en) * | 1970-05-05 | 1972-03-21 | Rockwell Mfg Co | Power driven device |
US4489792A (en) * | 1981-05-28 | 1984-12-25 | Fahim Atef E F | Hammer drill adapter |
Also Published As
Publication number | Publication date |
---|---|
ES2276417T3 (es) | 2007-06-16 |
EP0856371B1 (de) | 2006-11-22 |
ATE345904T1 (de) | 2006-12-15 |
US6089330A (en) | 2000-07-18 |
EP0856371A3 (de) | 2002-11-06 |
DE59712767D1 (de) | 2007-01-04 |
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