WO1988000870A1 - Mounting for accessory units - Google Patents

Mounting for accessory units Download PDF

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Publication number
WO1988000870A1
WO1988000870A1 PCT/DE1987/000323 DE8700323W WO8800870A1 WO 1988000870 A1 WO1988000870 A1 WO 1988000870A1 DE 8700323 W DE8700323 W DE 8700323W WO 8800870 A1 WO8800870 A1 WO 8800870A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
opening
holder
mounting
pin
Prior art date
Application number
PCT/DE1987/000323
Other languages
German (de)
French (fr)
Inventor
Wolfgang Schmid
Herbert Wiesner
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
Priority to DE8787904505T priority Critical patent/DE3767887D1/en
Publication of WO1988000870A1 publication Critical patent/WO1988000870A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/003—Stops for limiting depth in rotary hand tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • the invention relates to a holder for lateral attachment to a handheld power tool according to the preamble of the main claim.
  • additional handles with spring-loaded pressing elements for holding and releasing a depth stop have been described.
  • the attachment of other additional devices such as suction devices, drilling angle meters, etc. is very cumbersome because the pressing elements are so unfavorably arranged that they cannot be operated easily.
  • Another disadvantage is that the pressing elements have to be constantly pressed down by hand during the process of inserting or adjusting the depth stop and this hand is therefore no longer free.
  • the grooved pressing surface can disengage or the spring must be dimensioned very heavily in the case of heavy use (e.g. impact operation), which makes operation more difficult.
  • the holder according to the invention with the characterizing features of the main claim has the advantage that the handle end of the Locking lever is freely accessible at all times, even if additional devices are inserted into the bracket on the side. Operation is very simple and convenient with one finger. After opening the lock, the lever remains in the open position due to the missing spring, even if the finger or hand is removed. This gives the operator both hands free to insert, remove or adjust the additional device (eg depth stop). In the locked position, the lever remains self-locking in its position on the circular arc. The lock does not release even in hammer drilling or hammer operation. The low gradient of the circular arc path offers additional security, so that even with small displacements of the lever, the toothing still remains in engagement with the additional device. The entire holder including the lever can be produced entirely in plastic and is therefore inexpensive. In addition, the lever is very easy to assemble with a handle.
  • FIG. 1 shows an additional handle with holder in cross section
  • FIG. 2 shows a section along line A-A in FIG. 1.
  • the holder 1 is arranged on the fastening head 2 of an additional handle 20 for handheld power tools. It is hollow and made of plastic. It has a continuous hexagonal opening 4 parallel to the axial direction of the receiving opening 3 of the fastening head 2, which penetrates through the side walls 5, 6.
  • the holder 1 has an opening 7 above the opening 4.
  • the side walls 5, 6 point below the opening chung 4 in vertical extension grooves 8, 9, in which pins 10, 11 of a lever are guided (see Figure 2).
  • This carries, on its upper side facing the opening 4, a toothing 13 which is aligned with the axial direction of the opening 4 and which corresponds to a toothing in the holding part of an additional device (not shown) which can be inserted into the opening 4.
  • the lever 12 has support pins 14, 15 with resilient extensions 16, 17 at the ends.
  • the lever 12 is tapered to form a handle part 18.
  • control slots 21, 22 are formed in the side walls 5, 6 with an approximately circular-arc-shaped section 23 and an adjoining section 24 deviating from the circular-arc line to the outside.
  • the section 23 is a circular-arc section with one opposite the axis the pin 10, 11 slightly to the right, ie Center point offset towards receiving opening 3, approximately the center point. 25.
  • the handle part 18 is tapered so that the support pins 14, 15 in the control slots 21, 22 are given a wide support in order to be able to better derive the clamping force required in the teeth 13.
  • the assembly of the lever 12 is done simply from above through the opening 7 in the holder 1.
  • the elastic extensions 16, 17 move back inwards. In the slots 21, 22 they spread again, so that the lever 12 is captively held in the holder 1.
  • the operation of the bracket 1 for loosening and tightening an additional device is very simple and convenient.
  • the lever 12 is simply pressed on the handle part 18 with a finger in the direction of the additional handle 20 without the hand having to be released from the handle.
  • the support pins 14, 15 reach the section 24 and the pins 10, 11 move along the grooves 8, 9 away from the opening 4 so that it is completely released.
  • the lever 12 remains in the area of the section 24 of the slots 21, 22 even after the operating finger has been removed.
  • the additional device is inserted into the opening 4 or, in the case of a depth stop, moved into the correct position corresponding to the desired drilling depth. Then the lever 12 is also pushed back again with a single finger until the toothing 13 bears firmly on the additional device. So that this is clamped in place. Due to self-locking, the support pins 14, 15 remain in the arcuate section 23 of the control slots 21, 22 at a certain point, which depends on the tolerances, above all of the hexagon socket of the additional device. The lever 12 is then more or less perpendicular, but is itself inhibited at every point due to the slight slope in section 23. Retensioning is also possible at any time.
  • the holder 1 can also be arranged directly on the housing of the handheld power tool or connected in one piece to the housing.

Abstract

A mounting (1) for accessory units such as bit stops or the like to be mounted on the side of a hand machine-tool has an opening (4) and a locking lever (12) which constricts the opening (4). The lever (12) has at its end opposite the opening a toothing (13) and in its middle lateral support pegs (14, 15) inserted in circular arc shaped guiding slots (21, 22) with sections (24) that deviate outwardly from the circular arc line. The lever (12) is automatically locked in the guiding slots (21, 22). A spring can be totally dispensed with. The lever (12) is easy and handy to use and needs not to be held in the hand in its unlocking position. The construction of the whole mounting exclusively of plastic is very economic.

Description

Halterung für Zusatzgerät Bracket for additional device
Stand der TechnikState of the art
Die Erfindung geht aus von einer Halterung zur seitlichen Anbringung an eine Handwerkzeugmaschine nach der Gattung des Hauptanspruchs. In dem Gebrauchsmuster 83 18 425 sind Zusatzhandgriffe mit federbelasteten Drückelementen zum Halten und Lösen eines Tiefenanschlags beschrieben worden. Die Anbringung anderer Zusatzgeräte wie Absaugvorrichtungen, Bohrwinkelmesser usw. ist sehr umständlich, weil die Drückelemente so ungünstig angeordnet sind, daß sie dann nicht ohne weiteres bedient werden können. Ein weiterer Nachteil ist der, daß die Drückelemente beim Vorgang des Einsetzens oder Versteilens des Tiefenanschlags ständig von Hand niedergedrückt werden müssen und diese Hand damit nicht mehr frei ist. Bei dem Ausführungsbeispiel mit dem Hebel ist darüber hinaus ungünstig, daß bei starker Beanspruchung (z.B. Schlagbetrieb) die geriffelte Andrückfläche außer Eingriff kommen kann bzw. die Feder sehr stark bemessen werden muß, was die Bedienung erschwert.The invention relates to a holder for lateral attachment to a handheld power tool according to the preamble of the main claim. In the utility model 83 18 425 additional handles with spring-loaded pressing elements for holding and releasing a depth stop have been described. The attachment of other additional devices such as suction devices, drilling angle meters, etc. is very cumbersome because the pressing elements are so unfavorably arranged that they cannot be operated easily. Another disadvantage is that the pressing elements have to be constantly pressed down by hand during the process of inserting or adjusting the depth stop and this hand is therefore no longer free. In the embodiment with the lever, it is also unfavorable that the grooved pressing surface can disengage or the spring must be dimensioned very heavily in the case of heavy use (e.g. impact operation), which makes operation more difficult.
Vorteile der ErfindungAdvantages of the invention
Die erfindungsgemäße Halterung mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, daß das Griffende des Verriegelungshebels jederzeit frei zugänglich ist, auch wenn in die Halterung sich seitlich an dieser erstreckende Zusatzgeräte eingesetzt sind. Die Bedienung ist sehr einfach und komfortabel mit einem Finger möglich, nach Öffnen der Verriegelung verbleibt der Hebel wegen der fehlenden Feder auch dann in Öffnungsstellung, wenn der Finger bzw. die Hand weggenommen wird. So hat die Bedienungsperson beide Hände frei zum Einführen, Herausnehmen oder Einstellen des Zusatzgerätes (z.B. Tiefenanschlag). In Verriegelungsstellung verbleibt der Hebel selbsthemmend in seiner Position auf der Kreisbogenbahn. Auch bei Schlagbohr-oder Hammerbetrieb löst sich die Verriegelung nicht. Zusätzliche Sicherheit bietet die geringe Steigung der Kreisbogenbahn, so daß auch bei kleinen Verschiebungen des Hebels die Verzahnung immer noch in Eingriff mit dem Zusatzgerät bleibt. Die gesamte Halterung samt Hebel ist vollständig in Kunststoff' herstellbar und damit kostengünstig. Außerdem ist der Hebel sehr leicht mit einem Griff zu montieren.The holder according to the invention with the characterizing features of the main claim has the advantage that the handle end of the Locking lever is freely accessible at all times, even if additional devices are inserted into the bracket on the side. Operation is very simple and convenient with one finger. After opening the lock, the lever remains in the open position due to the missing spring, even if the finger or hand is removed. This gives the operator both hands free to insert, remove or adjust the additional device (eg depth stop). In the locked position, the lever remains self-locking in its position on the circular arc. The lock does not release even in hammer drilling or hammer operation. The low gradient of the circular arc path offers additional security, so that even with small displacements of the lever, the toothing still remains in engagement with the additional device. The entire holder including the lever can be produced entirely in plastic and is therefore inexpensive. In addition, the lever is very easy to assemble with a handle.
Zeichnungdrawing
Ein Ausführungsbeispiel der Halterung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen Figur 1 einen Zusatzhandgriff mit Halterung in Querschnitt und Figur 2 einen Schnitt gemäß Linie A-A in Figur 1.An embodiment of the bracket is shown in the drawing and explained in more detail in the following description. 1 shows an additional handle with holder in cross section and FIG. 2 shows a section along line A-A in FIG. 1.
Beschreibung des AusführungsbeispielesDescription of the embodiment
Die Halterung 1 ist an dem Befestigungskopf 2 eines Zusatzhandgriffs 20 für Handwerkzeugmaschinen seitlich angeordnet. Sie ist hohl ausgebildet und besteht aus Kunststoff. Sie weist parallel zur Achsrichtung der Aufnahmeöffnung 3 des Befestigungsköpfes 2 eine durchgehende sechskantige Durchbrechung 4 auf, die die Seitenwände 5, 6 durchgreift. Oberhalb der Durchbrechung 4 hat die Halterung 1 einen Durchbruch 7. Die Seitenwände 5, 6 weisen unterhalb der Durchbre chung 4 in senkrechter Erstreckung Nuten 8, 9 auf, in denen Zapfen 10, 11 eines Hebels geführt sind (siehe Figur 2). Dieser trägt an seiner oberen, der Durchbrechung 4 zugewandten Seite eine guer zur Achsrichtung der Durchbrechung 4 stehende Zahnung 13, die mit einer Zahnung im Halteteil eines nicht dargestellten, in die Durchbrechung 4 einsteckbaren Zusatzgeräts korrespondiert.The holder 1 is arranged on the fastening head 2 of an additional handle 20 for handheld power tools. It is hollow and made of plastic. It has a continuous hexagonal opening 4 parallel to the axial direction of the receiving opening 3 of the fastening head 2, which penetrates through the side walls 5, 6. The holder 1 has an opening 7 above the opening 4. The side walls 5, 6 point below the opening chung 4 in vertical extension grooves 8, 9, in which pins 10, 11 of a lever are guided (see Figure 2). This carries, on its upper side facing the opening 4, a toothing 13 which is aligned with the axial direction of the opening 4 and which corresponds to a toothing in the holding part of an additional device (not shown) which can be inserted into the opening 4.
Im Mittelbereich weist der Hebel 12 Abstützzapfen 14, 15 mit elastisch federnden Fortsätzen 16, 17 an den Enden auf. Unterhalb der Abstützzapfen 14, 15 ist der Hebel 12 zu einem Griffteil 18 verjüngt. Zur Führung der Abstützzapfen 14, 15 sind in den Seitenwänden 5, 6 Steuerschlitze 21, 22 ausgebildet mit einem etwa kreisbogenförmigen Abschnitt 23 und einem daran anschließenden von der Kreisbogenlinie nach außen hin abweichenden Abschnitt 24. Der Abschnitt 23 ist ein Kreisbogenabschnitt mit einem gegenüber der Achse der Zapfen 10, 11 leicht nach rechts, d.h. in Richtung Aufnahmeöffnung 3 versetzten Mittelpunkt, etwa dem Mittelpunkt.25. Das Griffteil 18 ist verjüngt, damit die Abstützzapfen 14, 15 in den Steuerschlitzen 21, 22 eine breite Auflage erhalten, um die in der Zahnung 13 erforderliche Klemmkraft besser ableiten zu können.In the central region, the lever 12 has support pins 14, 15 with resilient extensions 16, 17 at the ends. Below the support pins 14, 15, the lever 12 is tapered to form a handle part 18. To guide the support pins 14, 15, control slots 21, 22 are formed in the side walls 5, 6 with an approximately circular-arc-shaped section 23 and an adjoining section 24 deviating from the circular-arc line to the outside. The section 23 is a circular-arc section with one opposite the axis the pin 10, 11 slightly to the right, ie Center point offset towards receiving opening 3, approximately the center point. 25. The handle part 18 is tapered so that the support pins 14, 15 in the control slots 21, 22 are given a wide support in order to be able to better derive the clamping force required in the teeth 13.
Die Montage des Hebels 12 geschieht ganz einfach von oben durch den Durchbruch 7 in der Halterung 1. Beim Abwärtsschieben der Abstützzapfen 14, 15 entlang den Nuten 8, 9 weichen die elastischen Fortsätze 16, 17 nach innen zurück. In den Schlitzen 21, 22 spreizen sie sich wieder, womit der Hebel 12 unverlierbar in der Halterung 1 festgehalten ist.The assembly of the lever 12 is done simply from above through the opening 7 in the holder 1. When pushing down the support pins 14, 15 along the grooves 8, 9, the elastic extensions 16, 17 move back inwards. In the slots 21, 22 they spread again, so that the lever 12 is captively held in the holder 1.
Die Bedienung der Halterung 1 zum Lösen und Festspannen eines Zusatzgeräts ist sehr einfach und komfortabel. Der Hebel 12 wird am Griffteil 18 mit einem Finger einfach in Richtung Zusatzhandgriff 20 gedrückt, ohne daß die Hand von dem Griff gelöst werden muß. Dabei gelangen die Abstützzapfen 14, 15 in den Abschnitt 24 und die Zapfen 10, 11 bewegen sich entlang der Nuten 8, 9 von der Durchbrechung 4 weg, so daß diese vollständig freigegeben wird. Der Hebel 12 verharrt auch nach Wegnahme des Bedienungsfingers im Bereich des Abschnitts 24 der Schlitze 21, 22.The operation of the bracket 1 for loosening and tightening an additional device is very simple and convenient. The lever 12 is simply pressed on the handle part 18 with a finger in the direction of the additional handle 20 without the hand having to be released from the handle. The support pins 14, 15 reach the section 24 and the pins 10, 11 move along the grooves 8, 9 away from the opening 4 so that it is completely released. The lever 12 remains in the area of the section 24 of the slots 21, 22 even after the operating finger has been removed.
Nun wird das Zusatzgerät in die Durchbrechung 4 eingeschoben bzw. im Fall eines Tiefenanschlags in die richtige, der gewünschten Bohrtiefe entsprechende Position verschoben. Anschließend wird ebenfalls mit einem einzigen Finger der Hebel 12 wieder zurückgeschoben bis die Verzahnung 13 fest an dem Zusatzgerät anliegt. Damit ist dieses in seiner Lage festgeklemmt. Die Abstützzapfen 14, 15 verharren aufgrund von Selbsthemmung in dem kreisbogenförmigen Abschnitt 23 der Steuerschlitze 21, 22 an einer bestimmten Stelle, die von den Toleranzen vor allem des Einstecksechskants des Zusatzgeräts abhängt. Der Hebel 12 steht dann mehr oder weniger senkrecht, ist aber aufgrund der geringen Steigung im Abschnitt 23 an jeder Stelle selbst gehemmt. Damit ist auch jederzeit ein Nachspannen möglich.Now the additional device is inserted into the opening 4 or, in the case of a depth stop, moved into the correct position corresponding to the desired drilling depth. Then the lever 12 is also pushed back again with a single finger until the toothing 13 bears firmly on the additional device. So that this is clamped in place. Due to self-locking, the support pins 14, 15 remain in the arcuate section 23 of the control slots 21, 22 at a certain point, which depends on the tolerances, above all of the hexagon socket of the additional device. The lever 12 is then more or less perpendicular, but is itself inhibited at every point due to the slight slope in section 23. Retensioning is also possible at any time.
Statt an einem Zusatzhandgriff 20, kann die Halterung 1 auch direkt am Gehäuse der Handwerkzeugmaschine angeordnet oder einstückig mit dem Gehäuse verbunden sein. Instead of an additional handle 20, the holder 1 can also be arranged directly on the housing of the handheld power tool or connected in one piece to the housing.

Claims

Ansprüche Expectations
1. Halterung zur seitlichen Anbringung an eine Handwerkzeugmtaschine mit einer zur Achsrichtung der Werkzeugaufnahme parallelen Durchbrechung zur Aufnahme von Zusatzgeräten wie Tiefenanschlag, Absaugvorrichtung, Bohrwinkelmesser usw., die darin durch ein Halteelement arretiert werden können, dadurch gekennzeichnet, daß das Halteelement ein um quer zu seiner Längserstreckung stehende Zapfen (10, 11) drehbarer Hebel (12) ist, daß die Zapfen (10, 11) in Nuten (8, 9) längsverschiebbar gelagert sind und daß der Hebel (12) Abstützzapfen (14, 15) trägt, die in Steuerschlitzen (21, 22) in den Seitenwänden (5, 6) der Halterung (8) eingreifen, so daß sich der Hebel (12) beim Schwenken um die Zapfen (10, 11) der Durchbrechung (4) nähert bzw. sich von dieser entfernt, wodurch das in der Durchbrechung (4) aufgenommene Zusatzgerät festgespannt bzw. freigegeben wird.1. Bracket for lateral attachment to a hand-held machine tool with an opening parallel to the axial direction of the tool holder for receiving additional devices such as depth stop, suction device, drilling angle meter, etc., which can be locked therein by a holding element, characterized in that the holding element is a transverse to its Longitudinal standing pin (10, 11) rotatable lever (12) is that the pin (10, 11) in grooves (8, 9) are mounted for longitudinal displacement and that the lever (12) carries support pin (14, 15) which in Control slots (21, 22) engage in the side walls (5, 6) of the holder (8) so that the lever (12) approaches or approaches the opening (4) when pivoting about the pins (10, 11) removed, whereby the additional device accommodated in the opening (4) is clamped or released.
2. Halterung nach Anspruch 1, dadurch gekennzeichnet, daß das der Durchbrechung (4) zugewandte Ende des Hebels (12) mit einer Zahnung (13) versehen ist, die quer zur Ausrichtung der Durchbrechung (4) verläuft.2. Holder according to claim 1, characterized in that the opening (4) facing the end of the lever (12) is provided with a toothing (13) which extends transversely to the orientation of the opening (4).
3. Halterung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Abstützzapfen (14, 15) Fortsätze (16, 17) haben, die zur Montage des Hebels (12) federnd nach innen zurückweichen können. 3. Holder according to claim 1 or 2, characterized in that the support pins (14, 15) have extensions (16, 17) which can spring back inwardly for mounting the lever (12).
4. Halterung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Seitenwände (5, 6) der Halterung (1) unterhalb der Steuerschlitze (21, 22) zur Vergrößerung der Auflagefläche für die Abstützzapfen (14, 15) verbreitert sind. 4. Holder according to one of the preceding claims, characterized in that the side walls (5, 6) of the holder (1) below the control slots (21, 22) to enlarge the bearing surface for the support pin (14, 15) are widened.
PCT/DE1987/000323 1986-08-09 1987-07-18 Mounting for accessory units WO1988000870A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787904505T DE3767887D1 (en) 1986-08-09 1987-07-18 BRACKET FOR ADDITIONAL DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19868621430 DE8621430U1 (en) 1986-08-09 1986-08-09
DEG8621430.6U 1986-08-09

Publications (1)

Publication Number Publication Date
WO1988000870A1 true WO1988000870A1 (en) 1988-02-11

Family

ID=6797303

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1987/000323 WO1988000870A1 (en) 1986-08-09 1987-07-18 Mounting for accessory units

Country Status (4)

Country Link
EP (1) EP0321463B1 (en)
JP (1) JP2545567B2 (en)
DE (2) DE8621430U1 (en)
WO (1) WO1988000870A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996006713A1 (en) * 1994-08-30 1996-03-07 Wolf-Geräte Gmbh Vertriebsges. Kg Guiding stem for gardening tools
EP1369210A2 (en) * 2002-06-04 2003-12-10 Credo Technology Corporation Power tool accessory system
US20110131766A1 (en) * 2009-12-09 2011-06-09 Hilti Aktiengesellschaft Auxiliary handle
EP2347843A1 (en) * 2010-01-23 2011-07-27 Metabowerke GmbH Lock device for locking a depth stop rod, additional handle and handheld machine tool

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006055014A1 (en) 2006-11-22 2008-05-29 Robert Bosch Gmbh Additional handle with eccentric clamping lever for a hand tool
DE102013213284A1 (en) * 2012-08-03 2014-02-06 Robert Bosch Gmbh Hand tool machine system for use with handle device and fastening device, has receiving unit, which is provided partly to releasable coupling of handle device and fastening device

Citations (7)

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Publication number Priority date Publication date Assignee Title
FR2350162A1 (en) * 1976-05-03 1977-12-02 Hilti Ag DEPTH STOP DRILL
DE2832429A1 (en) * 1978-07-24 1980-02-14 Hilti Ag DRILLING MACHINE WITH DEPTH STOP
FR2455942A1 (en) * 1979-05-09 1980-12-05 Duss Maschf DRILL EQUIPPED WITH A DEPTH STOP
GB2050881A (en) * 1979-06-19 1981-01-14 Kango Electric Hammers Ltd Depth stop for a drilling tool
US4368556A (en) * 1980-03-14 1983-01-18 Robert Bosch Gmbh Handle assembly
DE3126245A1 (en) * 1981-07-03 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart Hand-held mechanical tool, especially a drilling hammer
EP0132593A2 (en) * 1983-06-25 1985-02-13 C. & E. FEIN GmbH & Co. Auxiliary handle for hand tools

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2350162A1 (en) * 1976-05-03 1977-12-02 Hilti Ag DEPTH STOP DRILL
DE2832429A1 (en) * 1978-07-24 1980-02-14 Hilti Ag DRILLING MACHINE WITH DEPTH STOP
FR2455942A1 (en) * 1979-05-09 1980-12-05 Duss Maschf DRILL EQUIPPED WITH A DEPTH STOP
GB2050881A (en) * 1979-06-19 1981-01-14 Kango Electric Hammers Ltd Depth stop for a drilling tool
US4368556A (en) * 1980-03-14 1983-01-18 Robert Bosch Gmbh Handle assembly
DE3126245A1 (en) * 1981-07-03 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart Hand-held mechanical tool, especially a drilling hammer
EP0132593A2 (en) * 1983-06-25 1985-02-13 C. & E. FEIN GmbH & Co. Auxiliary handle for hand tools

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996006713A1 (en) * 1994-08-30 1996-03-07 Wolf-Geräte Gmbh Vertriebsges. Kg Guiding stem for gardening tools
EP1369210A2 (en) * 2002-06-04 2003-12-10 Credo Technology Corporation Power tool accessory system
EP1369210A3 (en) * 2002-06-04 2004-07-07 Credo Technology Corporation Power tool accessory system
US6835030B2 (en) 2002-06-04 2004-12-28 Credo Technology Corporation Power tool accessory system
US20110131766A1 (en) * 2009-12-09 2011-06-09 Hilti Aktiengesellschaft Auxiliary handle
US8448300B2 (en) * 2009-12-09 2013-05-28 Hilti Aktiengesellschaft Auxiliary handle
EP2347843A1 (en) * 2010-01-23 2011-07-27 Metabowerke GmbH Lock device for locking a depth stop rod, additional handle and handheld machine tool

Also Published As

Publication number Publication date
DE8621430U1 (en) 1987-12-10
EP0321463B1 (en) 1991-01-30
JP2545567B2 (en) 1996-10-23
DE3767887D1 (en) 1991-03-07
EP0321463A1 (en) 1989-06-28
JPH01503527A (en) 1989-11-30

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