EP0950474A1 - Vorrichtung zur Anpassung von elektrischen Handwerkzeugen für Linkshänder und Rechtshänder - Google Patents

Vorrichtung zur Anpassung von elektrischen Handwerkzeugen für Linkshänder und Rechtshänder Download PDF

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Publication number
EP0950474A1
EP0950474A1 EP99440073A EP99440073A EP0950474A1 EP 0950474 A1 EP0950474 A1 EP 0950474A1 EP 99440073 A EP99440073 A EP 99440073A EP 99440073 A EP99440073 A EP 99440073A EP 0950474 A1 EP0950474 A1 EP 0950474A1
Authority
EP
European Patent Office
Prior art keywords
button
locking button
locking
switch
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.)
Withdrawn
Application number
EP99440073A
Other languages
English (en)
French (fr)
Inventor
Jean-Marc Behe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0950474A1 publication Critical patent/EP0950474A1/de
Withdrawn legal-status Critical Current

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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
    • B25F5/02—Construction of casings, bodies or handles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/048—Facilitation of operation; Human engineering adapted for operation by left- and right-handed

Definitions

  • the present invention relates to a device for adapting power tools such as drills for example to authorize their use without distinction by right-handers or by left-handers.
  • the drill is operated by exerting slight pressure with the index finger of right hand on the switch trigger and pressing with the thumb of the right hand on the locking button.
  • the lock button pressed to rotate the drill continuously.
  • the lock button is not located on the appropriate side and use by a left-hander will be difficult.
  • the document US 4 240 771 describes a hand drill, actuated at by means of a crank which can be detached and positioned on one side or on the other side of the housing, at the user's choice.
  • the invention remedies the drawbacks set out above and allows left-handers to work with the same ease as right-handers thanks to a device for operating the drill using the left hand.
  • a locking button adaptable to both sides of the handle will complete this device and a threaded plug will be screwed onto the orifice of the casing not used.
  • the device according to the invention comprises, apart from the visible transformation operated on the casing of the drill, a new locking button whose mechanism will no longer be fixed directly to the switch but which will constitute a separate element comprising a threaded housing (10) receiving the lock button.
  • Said button has a hole at the end opposite the locking button centering (13) in which is guided a locking rod (12) integral of the locking button (2), said locking rod being disposed opposite a window (5) formed in the switch (14) and an orifice blocking (6) formed in the rod supporting the trigger (1) of the switch.
  • the locking button (2) is held in place and guided by an axis (8) integral with the threaded housing (10) and an oblong (9) allows said button to blocking forward or backward.
  • a spring arranged between the button blocking (2) and the circumference of the centering hole makes it possible to bring the button to its clear position.
  • Reversing the locking button (2) and the threaded plug (3) allows to adapt the use of drills to right-handers or left-handers.
  • a new start switch (14) has a window (5) of each side, unlike the material previously available on the market which had only one window on the left side.
  • the blocking hole (6) is brought up to the level of the switch window (5) thus allowing the locking rod (12) to enter the orifice of blocking (6) and thus maintaining the drill in continuous operation.
  • the rod blocking (12) integral with the blocking button (2) can enter the window (5) formed in the switch (14) regardless of the side on which the lock button has been fixed.
  • the device according to the invention can be adapted to any type of portable electric devices, and the means described can be simplified, without going beyond the ambit of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP99440073A 1998-04-15 1999-04-15 Vorrichtung zur Anpassung von elektrischen Handwerkzeugen für Linkshänder und Rechtshänder Withdrawn EP0950474A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804892A FR2777486B1 (fr) 1998-04-15 1998-04-15 Dispositif adaptable sur perceuses pour permettre l'utilisation de celles-ci indistinctement par les droitiers et les gauchers
FR9804892 1998-04-15

Publications (1)

Publication Number Publication Date
EP0950474A1 true EP0950474A1 (de) 1999-10-20

Family

ID=9525418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99440073A Withdrawn EP0950474A1 (de) 1998-04-15 1999-04-15 Vorrichtung zur Anpassung von elektrischen Handwerkzeugen für Linkshänder und Rechtshänder

Country Status (2)

Country Link
EP (1) EP0950474A1 (de)
FR (1) FR2777486B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426481B (en) * 2004-03-23 2008-09-03 Ross Wark Medical Ltd Cast-cutter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929320A1 (de) * 1978-07-31 1980-02-21 Rockwell International Corp Arretiervorrichtung fuer den schalter- betaetigungsteil kraftbetriebener handwerkzeuge
DE2903146A1 (de) * 1979-01-27 1980-08-07 Metabowerke Kg Arretierung fuer den schalter eines elektrowerkzeugs
US4240771A (en) * 1978-11-28 1980-12-23 The Jabobs Manufacturing Company, Ltd. Breast drills
DE3104733A1 (de) * 1981-02-11 1982-08-19 Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen Schalter fuer elektrowerkzeuge
US4369546A (en) * 1979-12-28 1983-01-25 Zientara Stanley V Hand held tools and utensils stabilizer bar, adjustable and non-adjustable
US5347764A (en) * 1993-03-02 1994-09-20 Indresco Inc. Handle arrangement for air power tool
DE4438045A1 (de) * 1994-10-25 1996-05-02 Atlas Copco Elektrowerkzeuge Schalteinrichtung einer handgeführten Elektrowerkzeugmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929320A1 (de) * 1978-07-31 1980-02-21 Rockwell International Corp Arretiervorrichtung fuer den schalter- betaetigungsteil kraftbetriebener handwerkzeuge
US4240771A (en) * 1978-11-28 1980-12-23 The Jabobs Manufacturing Company, Ltd. Breast drills
DE2903146A1 (de) * 1979-01-27 1980-08-07 Metabowerke Kg Arretierung fuer den schalter eines elektrowerkzeugs
US4369546A (en) * 1979-12-28 1983-01-25 Zientara Stanley V Hand held tools and utensils stabilizer bar, adjustable and non-adjustable
DE3104733A1 (de) * 1981-02-11 1982-08-19 Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen Schalter fuer elektrowerkzeuge
US5347764A (en) * 1993-03-02 1994-09-20 Indresco Inc. Handle arrangement for air power tool
DE4438045A1 (de) * 1994-10-25 1996-05-02 Atlas Copco Elektrowerkzeuge Schalteinrichtung einer handgeführten Elektrowerkzeugmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426481B (en) * 2004-03-23 2008-09-03 Ross Wark Medical Ltd Cast-cutter
US8453546B2 (en) 2004-03-23 2013-06-04 Ross Wark Medical Limited Cast-cutter and method

Also Published As

Publication number Publication date
FR2777486A1 (fr) 1999-10-22
FR2777486B1 (fr) 2000-06-09

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