EP3401061A1 - Outil électrique, assemblage d'un tel outil électrique et accessoire - Google Patents

Outil électrique, assemblage d'un tel outil électrique et accessoire Download PDF

Info

Publication number
EP3401061A1
EP3401061A1 EP18169042.1A EP18169042A EP3401061A1 EP 3401061 A1 EP3401061 A1 EP 3401061A1 EP 18169042 A EP18169042 A EP 18169042A EP 3401061 A1 EP3401061 A1 EP 3401061A1
Authority
EP
European Patent Office
Prior art keywords
accessory
drive shaft
type
drive
power 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.)
Granted
Application number
EP18169042.1A
Other languages
German (de)
English (en)
Other versions
EP3401061B1 (fr
Inventor
Petrus Patrick Leonardus Van Rijckevorsel
Antonius Johannes Jacobus Quirijnen
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.)
Skil BV
Original Assignee
Skil BV
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 Skil BV filed Critical Skil BV
Priority to EP20207876.2A priority Critical patent/EP3797930B1/fr
Publication of EP3401061A1 publication Critical patent/EP3401061A1/fr
Application granted granted Critical
Publication of EP3401061B1 publication Critical patent/EP3401061B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor

Definitions

  • the present invention relates to a power tool, and to an assembly of a power tool and an accessory.
  • Power tools are often designed for one specific type of use. Whereas professional users posses tools dedicated for each purpose, this is often not the case for do-it-yourself (DIY) workers. Many DIY-workers would prefer to have a power tool capable of being adapted for multiple purposes.
  • DIY do-it-yourself
  • An object of the present invention is to provide a power tool, that is improved relative to the prior art and wherein at least one of the above stated problems is obviated.
  • the power tool according to the present invention comprising:
  • the drive drives both the first drive shaft and the second drive shaft simultaneously.
  • a user may couple a desired type of accessory that is configured to be used for a dedicated purpose. In this way, a power tool is provided that is capable of being adapted for multiple purposes.
  • the first drive shaft may be an oscillating drive shaft
  • the first type of accessory may be a unit that is configured to drive an oscillating tool.
  • the second drive shaft may be a rotating drive shaft
  • the second type of accessory may be a unit that is configured to drive a rotating tool, e.g. a circular saw blade.
  • the first drive shaft and the second drive shaft extend in the same direction relative to the drive. This allows an accessory that is coupled to one of the first drive shaft or the second drive shaft to shield the other of the first or the second drive shaft.
  • said power tool further comprises a trigger that is configured to switch said drive on and off, wherein the trigger comprises:
  • a momentary state is a state wherein the power tool is automatically turned “off' when the trigger is released.
  • a trigger that comprises a lock-on state is to be interpreted as a trigger that can be locked in an "on"-state.
  • a power tool 1 comprises a drive 2 and a first drive shaft 3 that is connected to said drive 2, and that has a first engagement 4 that is configured to engage a first type of accessory 5.
  • the power tool 1 further comprises a second drive shaft 6 that is connected to said drive 2, and that has a second engagement 7 that is configured to engage a second type of accessory 8.
  • the drive 2 is configured to drive the first drive shaft 3 and the second drive shaft 6 simultaneously.
  • a user may couple a desired type of accessory 5, 8 that is configured to be used for a dedicated purpose.
  • the power tool 1 is capable of being adapted for multiple purposes.
  • the first drive shaft 3 is an oscillating drive shaft
  • the first type of accessory 5 is a unit 9 that is configured to drive an oscillating tool 10.
  • the second drive shaft 6 is a rotating drive shaft
  • the second type of accessory 8 is a unit 11 that is configured to drive a rotating tool 17, e.g. a circular saw blade.
  • a set of conical gears 13, 14 is used to drive the second drive shaft 6, i.e. the rotating drive shaft.
  • the partially exploded Figure 6 shows an eccentric shaft 15 that engages an arm 16 that is fixed to the first drive shaft 3, i.e. the oscillating drive shaft.
  • the power tool 1 further comprises a trigger 12 that is configured to switch said drive 2 on and off.
  • the trigger 12 comprises a lock-on state or position ( Figure 11C ) in an engaged state of the first type of accessory 5, and a momentary state or position ( Figure 11B ) in an engaged state of the second type of accessory 8.
  • the second type of accessory 8 is embodied in the Figures as a rotating tool 17 in the form of a circular saw blade.
  • a circular saw blade is a tool with a relatively high risk associated with continued locked-on operation.
  • the high risk circular saw blade must be actively held in an "on"-position by the user for activation thereof.
  • the power tool 1 is capable of being adapted for multiple purposes, and also provides the comfort of a locked-on operation where appropriate on the one hand, whereas safety is safeguarded for other situations on the other hand.
  • the unit 11 of the second type of accessory 8 accommodates a rotating tool 17 in the form of a circular saw blade.
  • the unit 11 may further comprise a transmission 18 configured to drive said tool 17.
  • the transmission 18 may comprise a gear ratio, such that the rotations per minute of said tool 17 are decreased or increased relative to the rotations per minute of the second drive shaft 6.
  • the gear ratio may differ between different accessories 8.
  • the first type of accessory 5 may also comprise a transmission with a gear ratio, allowing the oscillations per minute to be changed relative to the oscillations per minute of the first drive shaft 3. Again, the gear ratio may differ between different accessories 5.
  • the second type of accessory 8 is configured to cover the first drive shaft 3 when it is engaged to the second drive shaft 6 (see Figures 8 and 9 ).
  • the first type of accessory 5 may be configured to cover the second drive shaft 6 when it is engaged to the first drive shaft 3, and/or the second drive shaft 6 may be arranged in a countersunk manner, thereby shielding it from exposure.
  • the trigger 12 is a sliding trigger
  • the second type of accessory 8 activates a barrier 18 that is configured to prevent the sliding trigger 12 from locking in an on-position when said second type of accessory 8 is engaged to the second drive shaft 6 ( Figure 11B ).
  • the barrier 18 is movable via said second type of accessory 8 and is pre-tensioned when said second type of accessory 8 is engaged to the second drive shaft 6.
  • the pre-tensioning moves the barrier 18 relative to the trigger 12.
  • the trigger 12 may now be moved again into a locked-on position ( Figure 11C ).
  • the barrier 18 is a moveable element 19, such as a plate 19 that comprises a guide 20 in the form of a chamfer 20.
  • Said guide 20 is configured to engage said trigger 12 ( Figures 8-10 and 11B ). If the trigger 12 would accidentally be in a locked-on position when the second type of accessory 8 is brought into engagement with the second drive shaft 6, the guide will force the trigger 12 to an off-position.
  • a (not shown) activating member may enable a locked position of the trigger 12, so that - e.g. in an oscillating tool mode - the power tool 1 may be held in an on-state.
  • the trigger 12 is connected to an arm 21 with a flange 22 that is configured to engage a micro switch 23.
  • the micro switch 23 is connected to a controller 24, which also controls the drive 2.
  • the second type of accessory 8 that is associated with the rotating second drive shaft 6 is a high risk tool 17 such as a circular saw blade.
  • a grinder may only require a restart protection that guarantees that the power tool is always "off' when the power tool is connected to a power supply, such as a wall socket. This can be obtained using a momentary switch.
  • a sander may however be lockable in an "on" position during use.
  • Such low risk rotating tools may be provided as a (not shown) third type of accessory that is configured to engage the rotating second drive shaft 6, but will not evoke the momentary state.
  • the third type of accessory will not activate a barrier that is configured to prevent the pressure trigger or any part of a trigger construction from locking in an on-state when said third type of accessory is engaged to the second drive shaft.
EP18169042.1A 2017-04-25 2018-04-24 Outil électrique, assemblage d'un tel outil électrique et accessoire Active EP3401061B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20207876.2A EP3797930B1 (fr) 2017-04-25 2018-04-24 Outil électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2018778A NL2018778B1 (en) 2017-04-25 2017-04-25 Power tool

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20207876.2A Division-Into EP3797930B1 (fr) 2017-04-25 2018-04-24 Outil électrique
EP20207876.2A Division EP3797930B1 (fr) 2017-04-25 2018-04-24 Outil électrique

Publications (2)

Publication Number Publication Date
EP3401061A1 true EP3401061A1 (fr) 2018-11-14
EP3401061B1 EP3401061B1 (fr) 2020-12-30

Family

ID=59521605

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18169042.1A Active EP3401061B1 (fr) 2017-04-25 2018-04-24 Outil électrique, assemblage d'un tel outil électrique et accessoire
EP20207876.2A Active EP3797930B1 (fr) 2017-04-25 2018-04-24 Outil électrique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20207876.2A Active EP3797930B1 (fr) 2017-04-25 2018-04-24 Outil électrique

Country Status (2)

Country Link
EP (2) EP3401061B1 (fr)
NL (1) NL2018778B1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810916A (en) * 1987-12-16 1989-03-07 Mcbride Scott Rotary power tool having dual outputs
GB2396127A (en) * 2002-12-14 2004-06-16 Black & Decker Inc Dual output power tool
EP2639015A2 (fr) * 2012-03-13 2013-09-18 Black & Decker Inc. Outil électrique
DE102012221077A1 (de) * 2012-11-19 2014-05-22 Robert Bosch Gmbh Anbaumodul für eine Werkzeugmaschine und Werkzeugmaschine, insbesondere Handwerkzeugmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818916A (en) 1987-03-06 1989-04-04 The Perkin-Elmer Corporation Power system for inductively coupled plasma torch
AUPM464594A0 (en) * 1994-03-23 1994-04-21 Black & Decker Incorporated Drill configuration
US9200713B2 (en) 2011-12-02 2015-12-01 GM Global Technology Operations LLC Valve configured for regulating the flow of fluid from a transmission to a cooler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810916A (en) * 1987-12-16 1989-03-07 Mcbride Scott Rotary power tool having dual outputs
GB2396127A (en) * 2002-12-14 2004-06-16 Black & Decker Inc Dual output power tool
EP2639015A2 (fr) * 2012-03-13 2013-09-18 Black & Decker Inc. Outil électrique
DE102012221077A1 (de) * 2012-11-19 2014-05-22 Robert Bosch Gmbh Anbaumodul für eine Werkzeugmaschine und Werkzeugmaschine, insbesondere Handwerkzeugmaschine

Also Published As

Publication number Publication date
NL2018778B1 (en) 2018-11-05
EP3401061B1 (fr) 2020-12-30
EP3797930A1 (fr) 2021-03-31
EP3797930B1 (fr) 2023-03-29

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