EP1166969A2 - Outil à main - Google Patents

Outil à main Download PDF

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Publication number
EP1166969A2
EP1166969A2 EP01810569A EP01810569A EP1166969A2 EP 1166969 A2 EP1166969 A2 EP 1166969A2 EP 01810569 A EP01810569 A EP 01810569A EP 01810569 A EP01810569 A EP 01810569A EP 1166969 A2 EP1166969 A2 EP 1166969A2
Authority
EP
European Patent Office
Prior art keywords
switching
hand tool
rotary switch
spring
switching means
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
EP01810569A
Other languages
German (de)
English (en)
Other versions
EP1166969A3 (fr
EP1166969B1 (fr
Inventor
Josef Fünfer
Michael Bonschke
Claus Gilger
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP1166969A2 publication Critical patent/EP1166969A2/fr
Publication of EP1166969A3 publication Critical patent/EP1166969A3/fr
Application granted granted Critical
Publication of EP1166969B1 publication Critical patent/EP1166969B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0015—Tools having a percussion-only mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0023—Tools having a percussion-and-rotation mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0038—Tools having a rotation-only mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0076—Angular position of the chisel modifiable by hand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/005—Adjustable tool components; Adjustable parameters
    • B25D2250/011—Bits, e.g. adjusting bits by setting in the desired angular position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/371—Use of springs

Definitions

  • the invention relates to a hand tool, such as a combination hammer, for production an at least partially rotating movement of a tool.
  • Combination hammers of this type produce both a rotating and a single drive striking movement, whereby between the individual operating modes, such as drilling, Position drill bits, chisels and chisels with a mode selector switch connected to the gearbox, can be changed manually.
  • An unintentional Switching from the chisel operating mode in which a mostly at Appropriate use of non-rotatable tool is used in the operating mode Drilling or drilling bits can endanger the user.
  • the operating modes are generally selected internally by switching sleeves, which is usually linearly displaceable parallel to the direction of rotation of a drive shaft are arranged in the housing of the combined hand tool and on their Positioning a positive engagement of the internal switching means, mostly between Manufacture gear and drive shaft. Most are for the operating modes drilling and Chisels are provided with two separate switches, since these usually also have two internal switches separate switching sleeves can be switched. The security for more than two Operating modes possibly limited permissible sequence of the operating modes among themselves must have complex mutual locking of the individual switch positions be guaranteed.
  • Rotary switch to select one of several discrete switch positions, each determined over a rotation angle range, give a permissible for each direction of rotation Switching sequence. Certain ranges of rotation angles are above the rotatable Rotary switch directly or by means of transformations into other types of movement, e.g. via a switching part or a guide curve assigned to linear, internal discrete switching positions.
  • the switching of the operating modes is carried out via a Rotary switch realized, the eccentrically mounted pin in a switching groove of a linear sliding switching sleeve engages.
  • the switching process can also be synchronized by a spring-elastic element between two moving parts of the rotary switch itself can be effected, with a part by hand regardless of the internal synchronization state is switched against the spring force and the other part via the spring force the internal Switching takes place when synchronization has taken place.
  • the object of the invention is to implement a hand tool device with a single rotary switch for the selection of at least three operating modes of the Hand tool, with which regardless of the current position of the inner Switching means of the operating mode changed as well as an accidental aspect Switching over via the operating mode adjacent in the switching sequence is reliably prevented can be.
  • the hand tool essentially has a rotary switch for selecting at least three different operating modes, with the switching process of the user by turning a self-locking actuating part of the rotary switch into one adjacent angle of rotation range into a connected to the actuating part, eccentrically arranged switching pin a torque on a cantilever, advantageous as Leaf spring designed, spring is transmitted, which is rotationally fixed with one, directly or indirectly at least one inner switching means-displacing, coaxially rotatable switching part is connected and as a spring-elastic coupling between the actuating part as a torque initiator Part and the switching part serves as a torque-dissipating part, creating a temporary Torque up to the positive engagement of synchronized inner switching means in the Spring is stored resiliently.
  • the self-locking of the actuating part with respect to the housing is advantageous via a sufficient static friction or carried out via a holding element, for example a spring-loaded Ball which engages in a recess.
  • the permissible spring travel of the cantilevered spring is advantageous, advantageously with the switching part connected, limit stop of the cantilever arm, causing the switch becomes self-locking with regard to an impermissible overspeed.
  • an overstressing of the spring is prevented and by the over the spring and Contact with the switching pin mediated over-tightening the permissible, advantageously the directly adjacent in the switching direction, switching position safely prevented.
  • the fastening of the spring is advantageously essentially opposite the switching pin arranged, which allows a large suspension travel.
  • On Switch pin can be one-sided or two-sided with respect to a cantilever arm of the spring Train contact on this.
  • a single cantilever is and is advantageously arranged peripherally in the plane of symmetry claimed by one or two switching pins, two cantilever arms are advantageous arranged along symmetrical tendons and are transversely inward and / or outside of one or two respectively assigned or a common Switch pin claimed.
  • the stop possible for both directions of rotation is advantageous for two cantilever arms in common executed within the plane of symmetry or separately symmetrical to this. at a single cantilever arm is advantageously carried out separately symmetrically.
  • the switching part advantageously has an eccentrically mounted pin, which at least in a, preferably linearly movable, switching means, for example a movable switching sleeve, intervenes.
  • switching means can advantageously be used via switching transmission means, For example.
  • Switch plates at least partially coupled to one another, which is advantageous by two directions of movement of the switching transmission means oriented transversely to one another at least partially a decoupling of both components of the rotary movement of the rotary switch given is.
  • a first switching means can advantageously be the rotary drive, a second switching means the percussion drive and a third switching means the locking of the Switch the combined hand tool on or off, with at least three operating modes over one, advantageous stroke-limited not over a full turn Rotatable, rotary switch evenly in the angular range up to 360 ° according to the switching sequence are distributed.
  • the rotary switch ensures that more than two operating modes only in one certain sequence can be switched.
  • This rotary switch sets the one Operating mode-setting, angle of rotation range via an eccentric part transforms into a linear movement of a first, axially movable switching means, which synchronizes via a switching transmission means with a second linearly movable, in another area switching, switching means is connected. This is for the user more than two operating modes of the combined hand tool simply selectable via a rotary switch.
  • a combined hand tool device not shown, has a rotary switch 1 for the selection of four different operating modes 2, with respect to one for Change from an actual operating mode into a directly adjacent target operating mode necessary, manually applied oriented twist ⁇ of a self-locking,
  • Operating part composed of two interlocking components 3 of the rotary switch 1 is connected to the actuating part 3, eccentrically arranged switching pin 4 an associated, designed as a leaf spring, projecting spring 5 contacted deforming on one side, which rotatably with a coaxially rotatable switching part 6th connected is.
  • a holding element 7 engages in shape for self-locking of the actuating part 3 a leaf spring into a recess of the driver of the actuating part 3.
  • a cantilever 9 of the cantilever spring 5 is by a with the Switching part 6 connected stop 10 of the maximally deformed cantilever 9 'limited.
  • a second switching pin 4a for a change of the operating mode 2 via one oriented opposite to the rotation ⁇ Rotation ⁇ 'of the rotary switch 1 is a second switching pin 4a and an associated second Cantilever arm 9a is present as an independently projecting part of the common spring 5, which in a middle section, essentially the switching pins 4,4a arranged oppositely, is rotatably attached to the switching part 6.
  • the switching part 6 has an eccentrically mounted, axial oriented pin 11, which in a linearly movable switching means 12 in the form of a Switching sleeve engages.
  • switching means 12, 14, 15 in the form of two switching sleeves and a locking bolt arranged, which via switching transmission means 16, 17 in the form of switching plates are partially coupled to each other, with two mutually oriented directions of movement the switching transmission means 16, 17 a decoupling of both components X, Y of the rotary movement of the rotary switch 1 is given, which with the axially oriented Pin 11 engages in the linearly movable switching means 12 in the form of a switching sleeve.
  • the following switching device table advantageously results for four operating modes with switching sequence switching sequence description rotary drive percussion drive lock 1 Drill ON OUT OUT 2 drill bits ON ON OUT 3 Position the chisel OUT ON OUT 4 chiselling OUT ON ON ON

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP01810569A 2000-06-26 2001-06-13 Outil à main Expired - Lifetime EP1166969B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10031050A DE10031050A1 (de) 2000-06-26 2000-06-26 Handwerkzeuggerät
DE10031050 2000-06-26

Publications (3)

Publication Number Publication Date
EP1166969A2 true EP1166969A2 (fr) 2002-01-02
EP1166969A3 EP1166969A3 (fr) 2003-12-10
EP1166969B1 EP1166969B1 (fr) 2006-11-02

Family

ID=7646822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810569A Expired - Lifetime EP1166969B1 (fr) 2000-06-26 2001-06-13 Outil à main

Country Status (3)

Country Link
US (1) US6520267B2 (fr)
EP (1) EP1166969B1 (fr)
DE (2) DE10031050A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1533083A2 (fr) * 2003-11-24 2005-05-25 ITW Befestigungssysteme GmbH Commutateur rotatif de sélection
EP1541292A3 (fr) * 2003-12-11 2006-02-01 HILTI Aktiengesellschaft Marteau perforateur
WO2007025795A1 (fr) * 2005-08-31 2007-03-08 Robert Bosch Gmbh Perceuse a main a mecanisme intermittent
EP2628571A1 (fr) * 2012-02-15 2013-08-21 HILTI Aktiengesellschaft Machine-outil portative
EP3338955A1 (fr) * 2016-12-13 2018-06-27 Robert Bosch GmbH Marteau perforateur et/ou burineur

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1296343T3 (da) * 2001-09-21 2004-05-03 Menber S Spa Afbryder, navnlig batteriafbryder, til køretøjer og lignende
TW554792U (en) * 2003-01-29 2003-09-21 Mobiletron Electronics Co Ltd Function switching device of electric tool
TW556637U (en) * 2003-02-24 2003-10-01 Mobiletron Electronics Co Ltd Power tool
GB0311045D0 (en) * 2003-05-14 2003-06-18 Black & Decker Inc Rotary hammer
DE102004018084B3 (de) * 2004-04-08 2005-11-17 Hilti Ag Hammerbohrgerät
JP4509662B2 (ja) * 2004-06-16 2010-07-21 株式会社マキタ 電動打撃工具
DE102004042734A1 (de) * 2004-09-03 2006-03-09 Robert Bosch Gmbh Schaltvorrichtung mit einer Synchronisationsfeder
DE102004045117A1 (de) * 2004-09-17 2006-03-23 Robert Bosch Gmbh Schaltvorrichtung
DE102004052329A1 (de) * 2004-10-27 2006-05-04 Kress-Elektrik Gmbh & Co. Elektromotorenfabrik Synchronisations- und Schalteinheit für Einknopf-Wahlschalter sowie Elektrowerkzeug mit Synchronisations- und Schalteinheit
DE102004057686A1 (de) * 2004-11-30 2006-06-01 Robert Bosch Gmbh Schaltvorrichtung
EP1674743B1 (fr) * 2004-12-23 2014-01-22 Black & Decker Inc. Mécanisme d'entraînement pour outil motorisé
EP1674207B1 (fr) * 2004-12-23 2008-12-10 BLACK & DECKER INC. Outil motorisé
US20060237205A1 (en) * 2005-04-21 2006-10-26 Eastway Fair Company Limited Mode selector mechanism for an impact driver
DE102005059182A1 (de) * 2005-12-12 2007-06-14 Robert Bosch Gmbh Betriebsartenumschalter zum Einstellen mindestens einer Betriebsart in einer Handwerkzeugmaschine
JP4812471B2 (ja) * 2006-03-09 2011-11-09 株式会社マキタ 作業工具
DE102006000515A1 (de) * 2006-12-12 2008-06-19 Hilti Ag Elektrisches Handwerkzeuggerät
DE102007009986A1 (de) * 2007-03-02 2008-09-04 Robert Bosch Gmbh Handwerkzeugmaschine
TWM330892U (en) * 2007-09-11 2008-04-21 Mobiletron Electronics Co Ltd Electric tool
US7735575B2 (en) 2007-11-21 2010-06-15 Black & Decker Inc. Hammer drill with hard hammer support structure
US7798245B2 (en) 2007-11-21 2010-09-21 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement
US7854274B2 (en) * 2007-11-21 2010-12-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
US7717191B2 (en) * 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode hammer drill with shift lock
US7762349B2 (en) * 2007-11-21 2010-07-27 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US7717192B2 (en) * 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode drill with mode collar
DE102009005248A1 (de) * 2009-01-13 2010-07-15 C. & E. Fein Gmbh Elektrowerkzeug mit schaltbarem Getriebe
WO2011006207A1 (fr) * 2009-07-17 2011-01-20 Demain Technology Pty Ltd Outil à moteur
US9630307B2 (en) * 2012-08-22 2017-04-25 Milwaukee Electric Tool Corporation Rotary hammer
CN204686830U (zh) 2012-10-19 2015-10-07 米沃奇电动工具公司 锤钻
JP2014100762A (ja) * 2012-11-19 2014-06-05 Makita Corp 打撃工具
EP2842697A1 (fr) * 2013-09-02 2015-03-04 HILTI Aktiengesellschaft Machine-outil manuelle
WO2016196891A1 (fr) * 2015-06-05 2016-12-08 Ingersoll-Rand Company Interfaces utilisateur de machine-outil électrique
US11261964B2 (en) 2018-05-17 2022-03-01 Black & Decker Inc. Compliant shifting mechanism and multi-speed power tool having same
DE102020114634B4 (de) * 2019-07-18 2023-07-20 Defond Components Limited Steuerbaugruppe zur Verwendung mit einem Elektrogerät sowie ein entsprechendes Elektrogerät

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US3393782A (en) * 1966-01-05 1968-07-23 Rockford Machine Tool Co Shifter for toothed drive member
DE19528924A1 (de) * 1995-08-05 1997-02-06 Scintilla Ag Elektrische Schlagbohrmaschine
US5992257A (en) * 1996-10-11 1999-11-30 Black & Decker Inc. Power tool with mode change switch

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GB2112479B (en) * 1981-11-13 1985-05-01 Black & Decker Inc Latching arrangement
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CH669066A5 (de) * 1986-03-20 1989-02-15 Sprecher & Schuh Ag Umstellvorrichtung fuer einen elektrischen schalter.
DE3618024A1 (de) * 1986-05-28 1987-12-03 Hilti Ag Elektrowerkzeug mit schaltkupplung
GB2232372A (en) * 1989-05-25 1990-12-12 Black & Decker Inc Improvements in or relating to power tools
DE4013512A1 (de) * 1990-04-27 1991-10-31 Black & Decker Inc Schalteinrichtung zum umschalten eines kraftgetriebenen werkzeugs
BG98935A (en) * 1994-07-29 1996-04-30 Ganchev Device for shifting connecting lever of two-speed gears
DE19545260A1 (de) * 1995-11-24 1997-05-28 Black & Decker Inc Bohrhammer
JP3688943B2 (ja) * 1999-08-26 2005-08-31 株式会社マキタ ハンマードリル

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US3393782A (en) * 1966-01-05 1968-07-23 Rockford Machine Tool Co Shifter for toothed drive member
DE19528924A1 (de) * 1995-08-05 1997-02-06 Scintilla Ag Elektrische Schlagbohrmaschine
US5992257A (en) * 1996-10-11 1999-11-30 Black & Decker Inc. Power tool with mode change switch

Non-Patent Citations (1)

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Title
DATABASE WPI Section PQ, Week 199613 Derwent Publications Ltd., London, GB; Class Q64, AN 1996-129486 XP002257463 -& WO 96 04496 A (ELTOS JSC), 15. Februar 1996 (1996-02-15) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1533083A2 (fr) * 2003-11-24 2005-05-25 ITW Befestigungssysteme GmbH Commutateur rotatif de sélection
DE10355107B3 (de) * 2003-11-24 2005-08-11 Itw-Befestigungssysteme Gmbh Selektordrehschalter
EP1533083A3 (fr) * 2003-11-24 2006-05-24 ITW Befestigungssysteme GmbH Commutateur rotatif de sélection
EP1541292A3 (fr) * 2003-12-11 2006-02-01 HILTI Aktiengesellschaft Marteau perforateur
WO2007025795A1 (fr) * 2005-08-31 2007-03-08 Robert Bosch Gmbh Perceuse a main a mecanisme intermittent
US7708084B2 (en) 2005-08-31 2010-05-04 Robert Bosch Gmbh Portable power drill with gearbox
EP2628571A1 (fr) * 2012-02-15 2013-08-21 HILTI Aktiengesellschaft Machine-outil portative
RU2633669C2 (ru) * 2012-02-15 2017-10-16 Хильти Акциенгезельшафт Ручное обрабатывающее устройство
EP3338955A1 (fr) * 2016-12-13 2018-06-27 Robert Bosch GmbH Marteau perforateur et/ou burineur

Also Published As

Publication number Publication date
EP1166969A3 (fr) 2003-12-10
EP1166969B1 (fr) 2006-11-02
US20020014343A1 (en) 2002-02-07
DE10031050A1 (de) 2002-01-10
US6520267B2 (en) 2003-02-18
DE50111345D1 (de) 2006-12-14

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