EP2292378A1 - Motorised hand tool for grinding - Google Patents

Motorised hand tool for grinding Download PDF

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Publication number
EP2292378A1
EP2292378A1 EP09011251A EP09011251A EP2292378A1 EP 2292378 A1 EP2292378 A1 EP 2292378A1 EP 09011251 A EP09011251 A EP 09011251A EP 09011251 A EP09011251 A EP 09011251A EP 2292378 A1 EP2292378 A1 EP 2292378A1
Authority
EP
European Patent Office
Prior art keywords
housing
drive shaft
swivel head
grinding
hand tool
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.)
Withdrawn
Application number
EP09011251A
Other languages
German (de)
French (fr)
Inventor
Thomas Klingbeil
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.)
Ergobionik GmbH
Original Assignee
Ergobionik 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 Ergobionik GmbH filed Critical Ergobionik GmbH
Priority to EP09011251A priority Critical patent/EP2292378A1/en
Publication of EP2292378A1 publication Critical patent/EP2292378A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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

Definitions

  • the invention relates to a motor-driven hand tool for grinding, with an elongated housing in which on the one hand a motor drive connected thereto, rotatably mounted drive shaft is provided, wherein the housing serves as a handle at one end and at the other end a particular triangular grinding tool , which is displaceable by the drive shaft in motion, is provided outside the housing.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a motor-driven hand tool for grinding, with which also in the other applications described above, a good and ergonomic operation is possible.
  • a motor-driven hand tool for grinding with an elongate housing, in which on the one hand a motor drive connected thereto, rotatably mounted drive shaft is provided, wherein the housing serves as a handle at one end and a particular at the other end triangular grinding tool, which is displaceable by the drive shaft in motion, is provided outside of the housing, wherein the end is formed with the grinding tool as between a aligned with the rest of the housing housing alignment and a pivotable about the rest of the housing in approximately rectangular pivot head and; wherein the drive shaft is connected via at least one intermediate element with a first coupling part in the swivel head and the grinding tool is associated with a second coupling part, which is in engagement with the first coupling part.
  • the orientation of the grinding tool can be changed to the handle and adapted to the specific needs.
  • the pivot axis of the pivoting head may be formed concentrically with the axis of rotation of the intermediate element, so that by a coaxial design of the bearing and power transmission as small as possible Passage is given and thus the weakening of the housing and the space requirement are kept low.
  • the pivot axis of the swivel head can be aligned approximately at a 45 ° angle to the longitudinal extent of the elongate housing, so that with a technically simple design by a simple pivoting 180 °, the desired change in alignment by 90 ° can be achieved.
  • the second coupling part is designed as a bevel gear.
  • FIGS. 1 and 2 show a motor-driven hand tool 1 for grinding.
  • the hand tool 1 comprises an elongated housing 2, in which a motor drive 3 is provided with a rotatably mounted drive shaft 4 connected thereto.
  • the one end of the housing 2 serves as a handle 5, and at the other end an approximately triangular grinding tool 6 is provided outside of the housing 2.
  • the end of the housing 2 with the grinding tool 6 is formed as a pivoting head 7, which is arranged by means of a pivot bearing 7 pivotally mounted on the housing 2.
  • the swivel head 7 is located between an aligned with the rest of the housing 2 alignment (see. Fig. 2 ) and to the rest of the housing 2 in approximately rectangular orientation (see. Fig. 1 ) pivotable.
  • the drive shaft 4 is provided with a gear 9 which is in engagement with a provided on the located in the housing 2 end of the intermediate drive shaft 11 inner bevel gear 10.
  • the intermediate drive shaft 11 is in the region of the rotary bearing 8 of the pivoting head 7 in the pivoting head 7 in and is formed coaxially with the pivot bearing 8.
  • the grinding tool 6 is assigned a bevel gear 12 formed as a second coupling part, which is in engagement with a provided at the located in the swivel head 7 end of the intermediate drive shaft 11 and formed as a gear 13 second coupling part.
  • the pivot axis of the swivel head 7 is aligned at an angle of approximately 45 ° to the longitudinal extension of the elongated housing 2.

Abstract

The motor propelled hand tool (1) has a grinding tool (6) that is formed as a tilted head (7). A drive shaft (4) is connected with a clutch part in the tilted head by an intermediate element. The grinding tool is assigned to another clutch part, which is located in engagement with the former clutch part.

Description

Die Erfindung betrifft ein motorisch angetriebenes Handwerkzeug zum Schleifen, mit einem länglichen Gehäuse, in dem zum einen ein motorischer Antrieb mit daran angeschlossener, drehbar gelagerte Antriebswelle vorgesehen ist, wobei das Gehäuse an einem Ende als Griff dient und an dem anderen Ende ein insbesondere dreieckförmiges Schleifwerkzeug, welches durch die Antriebswelle in Bewegung versetzbar ist, außerhalb des Gehäuses vorgesehen ist.The invention relates to a motor-driven hand tool for grinding, with an elongated housing in which on the one hand a motor drive connected thereto, rotatably mounted drive shaft is provided, wherein the housing serves as a handle at one end and at the other end a particular triangular grinding tool , which is displaceable by the drive shaft in motion, is provided outside the housing.

Aus der Praxis sind derartige Handwerkzeuge bekannt, bei denen die Senkrechte auf der Fläche des dreieckförmigen Schleifwerkzeuges in etwa rechtwinklig zur Längserstreckung des Griffs ausgerichtet ist. Nachteilig hierbei ist, dass die vorgenannte Ausrichtung des Schleifwerkzeuges zum Griff zwar für manche Bearbeitungsfälle optimal ist, jedoch für andere Bearbeitungsfälle eine Ausrichtung des Werkzeuges, bei der die Senkrechte auf der Fläche des dreieckförmigen Schleifwerkzeuges in etwa mit der Längserstreckung des Griffs fluchtend vorgesehen ist, wesentlich besser wäre, z. B. wenn über Kopf oder an einer Wand gearbeitet werden muss.From practice such hand tools are known in which the perpendicular is aligned on the surface of the triangular grinding tool approximately at right angles to the longitudinal extent of the handle. The disadvantage here is that the aforementioned alignment of the grinding tool to the handle is indeed optimal for some cases, but for other cases an alignment of the tool, in which the perpendicular is provided on the surface of the triangular grinding tool in approximately the longitudinal extent of the handle aligned substantially better would be, for. B. if you have to work overhead or on a wall.

Aufgabe der Erfindung ist es, die vorgenannten Nachteile zu vermeiden und ein motorisch angetriebenes Handwerkzeug zum Schleifen anzugeben, mit dem auch bei den vorstehend beschriebenen anderen Anwendungsfällen eine gute und ergonomische Arbeitsweise möglich ist.The object of the invention is to avoid the aforementioned disadvantages and to provide a motor-driven hand tool for grinding, with which also in the other applications described above, a good and ergonomic operation is possible.

Diese Aufgabe wird gelöst durch ein motorisch angetriebenes Handwerkzeug zum Schleifen, mit einem länglichen Gehäuse, in dem zum einen ein motorischer Antrieb mit daran angeschlossener, drehbar gelagerte Antriebswelle vorgesehen ist, wobei das Gehäuse an einem Ende als Griff dient und an dem anderen Ende ein insbesondere dreieckförmiges Schleifwerkzeug, welches durch die Antriebswelle in Bewegung versetzbar ist, außerhalb des Gehäuses vorgesehen ist, wobei das Ende mit dem Schleifwerkzeug als ein zwischen einer mit dem restlichen Gehäuse fluchtenden Ausrichtung und einer zu dem restlichen Gehäuse in etwa rechtwinkligen Ausrichtung verschwenkbar angeordneter Schwenkkopf ausgebildet ist und wobei die Antriebswelle über zumindest ein Zwischenelement mit einem ersten Kupplungsteil im Schwenkkopf verbunden ist und dem Schleifwerkzeug ein zweites Kupplungsteil zugeordnet ist, das sich in Eingriff mit dem ersten Kupplungsteil befindet. Hierdurch kann - je nach konkret vorliegendem Anwendungsfall - die Ausrichtung des Schleifwerkzeuges zum Griff verändert und an den konkreten Bedarf angepasst werden.This object is achieved by a motor-driven hand tool for grinding, with an elongate housing, in which on the one hand a motor drive connected thereto, rotatably mounted drive shaft is provided, wherein the housing serves as a handle at one end and a particular at the other end triangular grinding tool, which is displaceable by the drive shaft in motion, is provided outside of the housing, wherein the end is formed with the grinding tool as between a aligned with the rest of the housing housing alignment and a pivotable about the rest of the housing in approximately rectangular pivot head and; wherein the drive shaft is connected via at least one intermediate element with a first coupling part in the swivel head and the grinding tool is associated with a second coupling part, which is in engagement with the first coupling part. In this way - depending on the specific application case - the orientation of the grinding tool can be changed to the handle and adapted to the specific needs.

Vorzugsweise kann die Schwenkachse des Schwenkkopfes konzentrisch mit der Drehachse des Zwischenelementes ausgebildet sein, so dass durch eine koaxiale Ausgestaltung der Lagerung und Kraftübertragung ein möglichst klein dimensionierter Durchgang gegeben ist und somit die Schwächung des Gehäuses sowie der Platzbedarf gering gehalten werden.Preferably, the pivot axis of the pivoting head may be formed concentrically with the axis of rotation of the intermediate element, so that by a coaxial design of the bearing and power transmission as small as possible Passage is given and thus the weakening of the housing and the space requirement are kept low.

Erfindungsgemäß kann die Schwenkachse des Schwenkkopfes in etwa in einem 45°-Winkel zur Längserstreckung des länglichen Gehäuses ausgerichtet sein, so dass mit einer technisch einfachen Ausgestaltung durch eine einfache Verschwenkung um 180° die erwünschte Änderung der Ausrichtung um 90° erreichbar ist.According to the invention, the pivot axis of the swivel head can be aligned approximately at a 45 ° angle to the longitudinal extent of the elongate housing, so that with a technically simple design by a simple pivoting 180 °, the desired change in alignment by 90 ° can be achieved.

Vorteilhafterweise kann als Zwischenelement eine im Bereich der Drehlagerung des Schwenkkopfes in den Schwenkkopf hineingehende Zwischenantriebswelle vorgesehen sein, so dass deren im Gehäuse befindliches Ende von der Antriebswelle angetrieben wird und deren im Schwenkkopf befindliches Ende mit einem Zahnrad als ersten Kupplungsteil verbunden, insbesondere versehen ist, wobei das zweite Kupplungsteil als Kegelzahnrad ausgebildet ist. Diese Konstruktion erlaubt es, durch unterschiedliche Zahnradpaarungen erstes Kupplungsteil/Kegelzahnrad und zweites Kupplungsteil/Kegelzahnrad verschiedenste Übersetzungsverhältnisse vorzusehen, so dass ein separates Getriebe entfallen oder kleiner ausgebildet werden kann.Advantageously, may be provided as an intermediate element in the rotary bearing of the swivel head in the swivel head entering intermediate drive shaft, so that their housing located in the end end of the drive shaft is driven and whose located in the swivel head end connected to a gear as the first coupling part, in particular, is provided the second coupling part is designed as a bevel gear. This construction makes it possible to provide different gear ratios through different gear pairings first clutch part / bevel gear and second clutch part / bevel gear, so that a separate transmission omitted or can be made smaller.

Im Folgenden wird ein in den Zeichnungen dargestelltes Ausführungsbeispiel der Erfindung erläutert. Es zeigen:

Fig. 1
eine teilgeschnitte Darstellung eines er- findungsgemäßen Handwerkzeugs in einer ersten Verschwenkposition und
Fig. 2
den Gegenstand nach Fig. 1 in einer zweiten Verschwenkposition.
In the following, an embodiment of the invention shown in the drawings will be explained. Show it:
Fig. 1
a partially sectioned representation of a hand tool according to the invention in a first pivoting position and
Fig. 2
the object after Fig. 1 in a second pivot position.

In allen Figuren werden für gleiche bzw. gleichartige Bauteile übereinstimmende Bezugszeichen verwendet.In all figures the same reference numerals are used for identical or similar components.

Die Figuren 1 und 2 zeigen ein motorisch angetriebenes Handwerkzeug 1 zum Schleifen. Das Handwerkzeug 1 umfasst ein längliches Gehäuse 2, in dem ein motorischer Antrieb 3 mit daran angeschlossener, drehbar gelagerter Antriebswelle 4 vorgesehen ist.The FIGS. 1 and 2 show a motor-driven hand tool 1 for grinding. The hand tool 1 comprises an elongated housing 2, in which a motor drive 3 is provided with a rotatably mounted drive shaft 4 connected thereto.

Das eine Ende des Gehäuses 2 dient dabei als Griff 5, und an dem anderen Ende ist ein in etwa dreieckförmiges Schleifwerkzeug 6 außerhalb des Gehäuses 2 vorgesehen.The one end of the housing 2 serves as a handle 5, and at the other end an approximately triangular grinding tool 6 is provided outside of the housing 2.

Das Ende des Gehäuses 2 mit dem Schleifwerkzeug 6 ist als ein Schwenkkopf 7 ausgebildet, der mittels einer Drehlagerung 7 verschwenkbar an dem Gehäuse 2 angeordnet ist. Der Schwenkkopf 7 ist zwischen einer mit dem restlichen Gehäuse 2 fluchtenden Ausrichtung (vgl. Fig. 2) und einer zu dem restlichen Gehäuse 2 in etwa rechtwinkligen Ausrichtung (vgl. Fig. 1) verschwenkbar.The end of the housing 2 with the grinding tool 6 is formed as a pivoting head 7, which is arranged by means of a pivot bearing 7 pivotally mounted on the housing 2. The swivel head 7 is located between an aligned with the rest of the housing 2 alignment (see. Fig. 2 ) and to the rest of the housing 2 in approximately rectangular orientation (see. Fig. 1 ) pivotable.

Die Antriebswelle 4 ist dabei mit einem Zahnrad 9 versehen, welches sich im Eingriff mit einem an dem im Gehäuse 2 befindlichen Ende der Zwischenantriebswelle 11 vorgesehenen Innenkegelzahnrad 10 befindet. Die Zwischenantriebswelle 11 geht im Bereich der Drehlagerung 8 des Schwenkkopfes 7 in den Schwenkkopf 7 hinein und ist mit der Drehlagerung 8 koaxial ausgebildet.The drive shaft 4 is provided with a gear 9 which is in engagement with a provided on the located in the housing 2 end of the intermediate drive shaft 11 inner bevel gear 10. The intermediate drive shaft 11 is in the region of the rotary bearing 8 of the pivoting head 7 in the pivoting head 7 in and is formed coaxially with the pivot bearing 8.

Dem Schleifwerkzeug 6 ist ein als Kegelzahnrad 12 ausgebildetes zweites Kupplungsteil zugeordnet, das sich in Eingriff mit einem an dem im Schwenkkopf 7 befindlichen Ende der Zwischenantriebswelle 11 vorgesehenen und als Zahnrad 13 ausgebildeten zweiten Kupplungsteil befindet. Die Schwenkachse des Schwenkkopfes 7 ist in einem ca. 45° Winkel zur Längserstreckung des länglichen Gehäuses 2 ausgerichtet.The grinding tool 6 is assigned a bevel gear 12 formed as a second coupling part, which is in engagement with a provided at the located in the swivel head 7 end of the intermediate drive shaft 11 and formed as a gear 13 second coupling part. The pivot axis of the swivel head 7 is aligned at an angle of approximately 45 ° to the longitudinal extension of the elongated housing 2.

Claims (4)

Motorisch angetriebenes Handwerkzeug (1) zum Schleifen, mit einem länglichen Gehäuse (2), in dem zum einen ein motorischer Antrieb (3) mit daran angeschlossener, drehbar gelagerte Antriebswelle (4) vorgesehen ist, wobei das Gehäuse (2) an einem Ende als Griff (5) dient und an dem anderen Ende ein insbesondere zumindest in etwa dreieckförmiges Schleifwerkzeug (6), welches durch die Antriebswelle (4) in Bewegung versetzbar ist, außerhalb des Gehäuses (2) vorgesehen ist, dadurch gekennzeichnet, dass das Ende mit dem Schleifwerkzeug (6) als ein zwischen einer mit dem restlichen Gehäuse (2) fluchtenden Ausrichtung und einer zu dem restlichen Gehäuse (2) in etwa rechtwinkligen Ausrichtung verschwenkbar angeordneter Schwenkkopf (7) ausgebildet ist, wobei die Antriebswelle (4) über zumindest ein Zwischenelement mit einem ersten Kupplungsteil im Schwenkkopf (7) verbunden ist und dem Schleifwerkzeug (6) ein zweites Kupplungsteil zugeordnet ist, das sich in Eingriff mit dem ersten Kupplungsteil befindet.Motor-driven hand tool (1) for grinding, comprising an elongate housing (2) in which on the one hand a motor drive (3) with connected, rotatably mounted drive shaft (4) is provided, wherein the housing (2) at one end as Handle (5) is used and at the other end a particular at least approximately triangular grinding tool (6), which is displaceable by the drive shaft (4) in motion, outside the housing (2) is provided, characterized in that the end with the Grinding tool (6) as one between a with the rest of the housing (2) aligned alignment and to the rest of the housing (2) in approximately rectangular orientation pivotally mounted pivot head (7) is formed, wherein the drive shaft (4) via at least one intermediate element with a first coupling part in the swivel head (7) is connected and the grinding tool (6) is associated with a second coupling part, which engages with the first Kupplu is located. Handwerkzeug (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Schwenkachse des Schwenkkopfes (7) mit der Drehachse des Zwischenelementes fluchtend ausgebildet ist.Hand tool (1) according to the preceding claim, characterized in that the pivot axis of the swivel head (7) is formed in alignment with the axis of rotation of the intermediate element. Handwerkzeug (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schwenkachse des Schwenkkopfes (7) in etwa in einem 45° Winkel zur Längserstreckung des länglichen Gehäuses ausgerichtet ist.Hand tool (1) according to one of the preceding claims, characterized in that the pivot axis of the swivel head (7) is aligned approximately at a 45 ° angle to the longitudinal extension of the elongated housing. Handwerkzeug (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als Zwischenelement eine im Bereich der Drehlagerung des Schwenkkopfes (7) in den Schwenkkopf (7) hineingehende Zwischenantriebswelle (11) vorgesehen ist, deren im Gehäuse (2) befindliches Ende von der Antriebswelle (4) angetrieben wird und deren im Schwenkkopf (7) befindliches Ende mit einem Zahnrad (13) als ersten Kupplungsteil verbunden, insbesondere versehen ist, wobei das zweite Kupplungsteil als Kegelzahnrad (12) ausgebildet ist.Hand tool (1) according to one of the preceding claims, characterized in that there is provided as an intermediate element in the region of the rotary bearing of the swivel head (7) in the swivel head (7) entering the intermediate drive shaft (11), whose in the housing (2) located end of the Drive shaft (4) is driven and their end located in the swivel head (7) connected to a gear (13) as the first coupling part, in particular, is provided, wherein the second coupling part is formed as a bevel gear (12).
EP09011251A 2009-09-02 2009-09-02 Motorised hand tool for grinding Withdrawn EP2292378A1 (en)

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EP09011251A EP2292378A1 (en) 2009-09-02 2009-09-02 Motorised hand tool for grinding

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EP09011251A EP2292378A1 (en) 2009-09-02 2009-09-02 Motorised hand tool for grinding

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1039725C2 (en) * 2012-07-13 2014-01-16 Bosch Gmbh Robert DEVICE FOR EDITING A WORKPIECE.
CN113089563A (en) * 2021-04-08 2021-07-09 华东交通大学 Railway turnout cleaning and maintaining device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992020491A1 (en) * 1991-05-18 1992-11-26 Robert Bosch Gmbh Electric hand-tool, especially a drill
DE29512161U1 (en) * 1995-07-28 1996-11-28 Bosch Gmbh Robert Hand tool with angular gear
DE19733796A1 (en) * 1997-08-05 1999-02-25 Engelbert Gmeilbauer Hand-held oscillation device
DE10001091A1 (en) * 2000-01-13 2001-07-26 Mets Owerke Gmbh & Co Electric hand tool with toolholder section adjustable by ninety degrees relative to handle with power transmission maintained by bevel gear linkage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992020491A1 (en) * 1991-05-18 1992-11-26 Robert Bosch Gmbh Electric hand-tool, especially a drill
DE29512161U1 (en) * 1995-07-28 1996-11-28 Bosch Gmbh Robert Hand tool with angular gear
DE19733796A1 (en) * 1997-08-05 1999-02-25 Engelbert Gmeilbauer Hand-held oscillation device
DE10001091A1 (en) * 2000-01-13 2001-07-26 Mets Owerke Gmbh & Co Electric hand tool with toolholder section adjustable by ninety degrees relative to handle with power transmission maintained by bevel gear linkage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1039725C2 (en) * 2012-07-13 2014-01-16 Bosch Gmbh Robert DEVICE FOR EDITING A WORKPIECE.
EP2703121A1 (en) * 2012-07-13 2014-03-05 Robert Bosch Gmbh Device for processing a workpiece
CN113089563A (en) * 2021-04-08 2021-07-09 华东交通大学 Railway turnout cleaning and maintaining device and method

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