EP1595661A1 - Poignée avec dispositif de sécurité pour outil à main motorisé - Google Patents

Poignée avec dispositif de sécurité pour outil à main motorisé Download PDF

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Publication number
EP1595661A1
EP1595661A1 EP05400015A EP05400015A EP1595661A1 EP 1595661 A1 EP1595661 A1 EP 1595661A1 EP 05400015 A EP05400015 A EP 05400015A EP 05400015 A EP05400015 A EP 05400015A EP 1595661 A1 EP1595661 A1 EP 1595661A1
Authority
EP
European Patent Office
Prior art keywords
handle
sensor
support members
pins
handle according
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
Application number
EP05400015A
Other languages
German (de)
English (en)
Other versions
EP1595661B1 (fr
Inventor
Norbert Lay
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.)
Schmid and Wezel GmbH and Co
Original Assignee
Schmid and Wezel GmbH and Co
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 Schmid and Wezel GmbH and Co filed Critical Schmid and Wezel GmbH and Co
Publication of EP1595661A1 publication Critical patent/EP1595661A1/fr
Application granted granted Critical
Publication of EP1595661B1 publication Critical patent/EP1595661B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0008—Means for carrying the chain saw, e.g. handles

Definitions

  • the invention relates to a handle for a motor-driven hand tool, for example a Power saw, with a switch, preferably a Safety switch is provided to operate it Grasping the handle by an operator is required.
  • Such handles with safety switches are usually on a second handle of such motor-driven hand tool provided so that the Person handling the motor-driven hand tool also sure both hands on a handle has - namely the first hand on usually with the index finger pressed ON / OFF switch on a first handle and the second hand on the second handle -, creating a safety switch is pressed. Only if the safety switch on second handle is turned on, the power-on on the ON / OFF switch on the first handle released. Thus is ensure that while the operating engine is running and the tool (drill, knife or similar) in operation is no hand of the operator in one position in which she can be injured.
  • a disadvantage of known, with a security protection provided handles of this type is that they have a specific Actuation position of the "second" hand required namely the one which operates the safety switch, while for ergonomic reasons it is often more convenient if you put that second handle in another place can touch.
  • a handle for a motor driven tool is known from DE 93 08 698 U1 known.
  • this arrangement can quite the case, that you can handle it safely captured with one hand, but not so that also the contacts are operated.
  • subject to the the two contact conductors surrounding plastic hose in rough environment is a certain wear and tear possibly exposed to damage.
  • the object of the invention is therefore to provide a handle of the The preamble of claim 1 mentioned type so to train that these disadvantages are not given, especially that you have this handle on any Can touch and reliable contact is closed.
  • Figure 1 shows a handle 1, which is formed by a tube becomes.
  • the tube is approximately in the shape of a 3 ⁇ 4 circle.
  • a motorized hand tool for example a Drill, a chainsaw, an angle grinder or a similar device to be screwed.
  • the End faces 2 provided with blind holes 3, the one Have internal thread.
  • a motor-driven hand tool this type has two handles, the actual ON / OFF switch on a first handle (not shown) is mounted so that it touches with the Forefinger can be actuated while the second Switch is a safety switch that serves to On / off switching on the first handle only become effective let, though this second "security" switch is actuated by the fact that the operator also the second grip holds.
  • each of the associated surface 10th or 11 have a distance of 0.5 to 1.0 mm.
  • capacitive sensor elements or sensors 25, 26 clamped and through the lower surface 7 'of Recess 7 supported.
  • it can be at the two capacitive sensors 25, 26 to such Act in which a metal layer on a foil is applied flat.
  • Two sensors, like the two here Sensors 25, 26 are provided for safety reasons. The capacity is then influenced by the Handle pipe at any point. Depending on it Then a signal is generated in an evaluation circuit.
  • the sensors 25, 26 are connected to connection wires 30, 31 provided passing through the connection opening 32 in a Cable 33 are guided, with the control device the tool is connected, in which also said Evaluation circuit is provided.
  • the use of a strip-shaped foil makes it possible in a simple way that the sensor spatially over the entire outside touchable area is distributed.
  • the outer surface of the handle provided with grooves 40 which a non-slip touch enable.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP05400015A 2004-05-11 2005-05-03 Poignée avec dispositif de sécurité pour outil à main motorisé Active EP1595661B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004024035A DE102004024035A1 (de) 2004-05-11 2004-05-11 Griff für ein motorangetriebenes Handwerkzeug
DE102004024035 2004-05-11

Publications (2)

Publication Number Publication Date
EP1595661A1 true EP1595661A1 (fr) 2005-11-16
EP1595661B1 EP1595661B1 (fr) 2007-10-10

Family

ID=34942868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05400015A Active EP1595661B1 (fr) 2004-05-11 2005-05-03 Poignée avec dispositif de sécurité pour outil à main motorisé

Country Status (4)

Country Link
EP (1) EP1595661B1 (fr)
AT (1) ATE375234T1 (fr)
DE (2) DE102004024035A1 (fr)
DK (1) DK1595661T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009030541A1 (fr) * 2007-09-05 2009-03-12 Robert Bosch Gmbh Machine-outil électroportative et procédé pour faire fonctionner une machine-outil électroportative
DE102007043035A1 (de) * 2007-09-11 2009-03-12 Tool Express-Service Schraubertechnik Gmbh Handwerkzeug mit Zwei-Hand-Bedienung
EP3031315A1 (fr) * 2014-12-09 2016-06-15 Robert Bosch Gmbh Dispositif de poignée pour outils de jardinage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011118613A1 (de) 2011-11-16 2013-05-16 Wsengineering Gmbh & Co.Kg Handgriff für ein motorisch angetriebenes Werkzeug sowie Verfahren zum Betrieb eines Totmannschalters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432139A (en) * 1980-10-28 1984-02-21 Andreas Stihl Safety device on a power saw
US4493377A (en) * 1980-11-15 1985-01-15 Robert Bosch Gmbh Electronic two-hand safety system for power tools
DE9308698U1 (de) * 1993-06-11 1994-10-27 Dolmar Gmbh Handarbeitsgerät mit einem Antrieb
WO2003093048A1 (fr) * 2002-04-30 2003-11-13 Gustav Magenwirth Gmbh & Co. Dispositif d'homme mort

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232934A1 (de) * 2002-07-19 2004-01-29 Ident Technology Ag Handgriffeinrichtung sowie Sicherheitsschaltungsanordnung insbesondere für ein kraftbetriebenes Werkzeug
DE10302532A1 (de) * 2003-01-23 2004-07-29 Hilti Ag Steuerung einer Handwerkzeugmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432139A (en) * 1980-10-28 1984-02-21 Andreas Stihl Safety device on a power saw
US4493377A (en) * 1980-11-15 1985-01-15 Robert Bosch Gmbh Electronic two-hand safety system for power tools
DE9308698U1 (de) * 1993-06-11 1994-10-27 Dolmar Gmbh Handarbeitsgerät mit einem Antrieb
WO2003093048A1 (fr) * 2002-04-30 2003-11-13 Gustav Magenwirth Gmbh & Co. Dispositif d'homme mort

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009030541A1 (fr) * 2007-09-05 2009-03-12 Robert Bosch Gmbh Machine-outil électroportative et procédé pour faire fonctionner une machine-outil électroportative
DE102007043035A1 (de) * 2007-09-11 2009-03-12 Tool Express-Service Schraubertechnik Gmbh Handwerkzeug mit Zwei-Hand-Bedienung
EP3031315A1 (fr) * 2014-12-09 2016-06-15 Robert Bosch Gmbh Dispositif de poignée pour outils de jardinage
WO2016091498A1 (fr) * 2014-12-09 2016-06-16 Robert Bosch Gmbh Dispositif de préhension pour outils de jardinage
CN106998649A (zh) * 2014-12-09 2017-08-01 罗伯特·博世有限公司 园林工具抓握装置

Also Published As

Publication number Publication date
DK1595661T3 (da) 2008-02-11
DE502005001645D1 (de) 2007-11-22
EP1595661B1 (fr) 2007-10-10
ATE375234T1 (de) 2007-10-15
DE102004024035A1 (de) 2005-12-08

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