EP1881883A1 - Motorbetriebenes werkzeuggerät mit einer sperr-/freigabeeinrichtung für die spindel - Google Patents
Motorbetriebenes werkzeuggerät mit einer sperr-/freigabeeinrichtung für die spindelInfo
- Publication number
- EP1881883A1 EP1881883A1 EP05750161A EP05750161A EP1881883A1 EP 1881883 A1 EP1881883 A1 EP 1881883A1 EP 05750161 A EP05750161 A EP 05750161A EP 05750161 A EP05750161 A EP 05750161A EP 1881883 A1 EP1881883 A1 EP 1881883A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- component
- machine housing
- tool
- tool 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
Links
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
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Definitions
- the invention relates to a motor-operated tool device, in particular hand tool, battery operated, such as drill, percussion drill, hammer drill or screwdriver, with ' a machine housing, a drive motor, a drivable by the drive motor spindle, wherein between the drive motor and spindle a lock / release device with an engine side Drive part, a spindle-side output member, the latter is rotatably or integrally connected to the spindle, and at least one clamping body is provided, and with a connectable to the spindle chuck for clamping a tool, the spindle acting upon initiation of a feed from the drive motor Torque relative to the machine housing can be fixed and is freely rotatable when initiating a torque acting from the drive motor in the direction of the spindle relative to the machine housing.
- Tool devices of this type with a locking / releasing device for the spindle have become widely known, for example by DE 199 42 271 Al, DE 103 38 608 B, DE 103 36 637 B, DE 103 16 889, DE 196 08 499 Al, EP 0 982 103 Bl.
- the locking / releasing device When switching off the motor drive by running the tool chuck with it inserted Tool, the locking / releasing device is activated, so goes with the setting of the spindle, that the clamp body is brought into a blocking clamping position, a noise and a shock load associated, which is disadvantageously audible but also noticeable to the user.
- the present invention has set itself the task of countering this.
- the clamping body does not start directly against an absolutely fixed housing component and abruptly fixed, or abruptly the drive spindle or its output part relative to the machine housing sets, but it is limited to the machine housing with the interposition of the damping means movable component provided, against which the clamping body starts.
- the coupling of the component with the machine housing by the mentioned damping means may be formed in any desired manner, wherein an arrangement of the damping means in the radial direction between the component and the machine housing has proved to be expedient. It is also conceivable and advantageous that a plurality of damping means are provided at different locations, such as at diametrically opposite locations or offset by 120 ° in the circumferential direction points.
- the component comprises a circumferentially effective hard stop, which limits by abutment against the machine housing or a component of the machine housing, a mobility of the component. Also, several such attacks can be provided for the uniform introduction of forces.
- the component has at least one extension which extends in the radial direction and which can cooperate with the machine housing or a component of the machine housing in a manner limiting the rotation.
- the invention proves to be particularly advantageous in the case of battery-operated electric hand tool devices, in particular those with a planetary gear, since the problem described in the introduction is particularly pronounced here.
- the figure is a schematic representation of an inventively designed lock / release device for a hand tool.
- the single figure illustrates schematically the principle of the inventively embodied locking / releasing device (spindle lock) in a hand tool.
- a spindle 2 on which a tool chuck, not shown, for receiving a tool can be arranged rotationally fixed.
- the spindle 2 is a spindle-side driven part or is rotatably and rigidly connected to such a spindle-side driven part 4.
- a clamping body 6 is provided which is received in a space between the spindle 2 and a circumferentially closed component 8, which forms a machine-fixed brake ring 10.
- Reference numeral 12 designates a machine housing or a component of the machine housing of the tool device.
- the component 8, which acts as a brake ring 10, comprises a radial projection 14 which is somewhat larger in a circumferential direction formed recess 16 of the machine housing 12 protrudes.
- a damping means 18 of an elastomeric material 20 is provided in the radial direction between the projection 14 and the machine housing 12.
- the damping means 18 is received in complementary shaped recesses 22 in the projection 20, and 24 in the machine housing 12. It forms a limited deformable coupling between the component 8 and the machine housing 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Springs (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Braking Arrangements (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2005/005308 WO2006122571A1 (de) | 2005-05-14 | 2005-05-14 | Motorbetriebenes werkzeuggerät mit einer sperr-/freigabeeinrichtung für die spindel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1881883A1 true EP1881883A1 (de) | 2008-01-30 |
| EP1881883B1 EP1881883B1 (de) | 2009-04-29 |
Family
ID=35976773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05750161A Expired - Lifetime EP1881883B1 (de) | 2005-05-14 | 2005-05-14 | Motorbetriebenes werkzeuggerät mit einer sperr-/freigabeeinrichtung für die spindel |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1881883B1 (de) |
| CN (1) | CN101175610A (de) |
| AT (1) | ATE430000T1 (de) |
| DE (1) | DE502005007214D1 (de) |
| ES (1) | ES2323426T3 (de) |
| WO (1) | WO2006122571A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009060203A1 (de) * | 2009-12-23 | 2011-06-30 | Lucas Automotive GmbH, 56070 | Baugruppe für einen elektromechanischen Bremsaktor |
| DE102010043182A1 (de) * | 2010-10-29 | 2012-05-03 | Robert Bosch Gmbh | Tragbare Werkzeugmaschine |
| DE102011005812A1 (de) * | 2011-03-18 | 2012-09-20 | Robert Bosch Gmbh | Werkzeugmaschinenbremsvorrichtung |
| CN104416545B (zh) * | 2013-08-23 | 2016-08-10 | 苏州宝时得电动工具有限公司 | 电动工具端头连接附件和电动工具 |
| EP3083156B1 (de) * | 2013-12-20 | 2024-07-31 | Black & Decker, Inc. | Spindelarretierungsanordnung für elektrowerkzeug |
| CN105500296A (zh) * | 2015-12-31 | 2016-04-20 | 宁波中旺工具有限公司 | 一种具有减振隔断的电动螺丝刀 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19942271C2 (de) * | 1999-09-04 | 2002-01-31 | Metabowerke Kg | Elektrowerkzeug mit einem Klemmgesperre und einer Sicherheitskupplung |
| JP2002137179A (ja) * | 2000-08-04 | 2002-05-14 | Hitachi Koki Co Ltd | 電動工具 |
| US6702090B2 (en) * | 2001-03-14 | 2004-03-09 | Milwaukee Electric Tool Corporation | Power tool and spindle lock system |
-
2005
- 2005-05-14 WO PCT/EP2005/005308 patent/WO2006122571A1/de not_active Ceased
- 2005-05-14 ES ES05750161T patent/ES2323426T3/es not_active Expired - Lifetime
- 2005-05-14 DE DE502005007214T patent/DE502005007214D1/de not_active Expired - Lifetime
- 2005-05-14 EP EP05750161A patent/EP1881883B1/de not_active Expired - Lifetime
- 2005-05-14 CN CNA2005800497583A patent/CN101175610A/zh active Pending
- 2005-05-14 AT AT05750161T patent/ATE430000T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006122571A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1881883B1 (de) | 2009-04-29 |
| ATE430000T1 (de) | 2009-05-15 |
| WO2006122571A1 (de) | 2006-11-23 |
| DE502005007214D1 (de) | 2009-06-10 |
| CN101175610A (zh) | 2008-05-07 |
| ES2323426T3 (es) | 2009-07-15 |
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