EP0856385B1 - Handwerkzeugmaschine - Google Patents
Handwerkzeugmaschine Download PDFInfo
- Publication number
- EP0856385B1 EP0856385B1 EP97122891A EP97122891A EP0856385B1 EP 0856385 B1 EP0856385 B1 EP 0856385B1 EP 97122891 A EP97122891 A EP 97122891A EP 97122891 A EP97122891 A EP 97122891A EP 0856385 B1 EP0856385 B1 EP 0856385B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- shell element
- hand
- machine 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.)
- Expired - Lifetime
Links
Images
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
- B25F5/006—Vibration damping means
-
- 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
Definitions
- the invention is based on a hand machine tool the preamble of claim 1. It is such a hand machine tool known from DE 195 38 252 A1.
- the shell element has engagement projections on its outer edge on, which in corresponding receiving grooves in Intervene in the handle.
- the shell element is either screwed or clamped with the handle. In each Fall is between the shell element and handle a backlash-free Connection provided. Operation of the hand machine tool without a shell element is not permitted, because only that Shell element the handle against the ingress of dirt or water protects. When operating the hand tool Vibrations that occur cannot be effectively damped become.
- the invention is based on the object effective shock absorption with easy handling of the hand tool ensure, the hand tool also at removed shell element fully functional is. This task is characterized by the characteristics of the characterizing part of claim 1 solved.
- FIG. 1 shows a section through the handle part a hand power tool
- Figure 2 is a view of the handle part with the damping device removed
- FIG. 4 shows a view of the handle part according to FIG. 3 in Contact position.
- 10 denotes a hand tool, of which a rear part is shown.
- the hand machine tool 10 has a machine housing 11 which i.a. one Drive motor 12 takes.
- To the machine housing 11, which is composed in a known manner from two housing shells is also a two-shell composite Handle 13 molded.
- a Switch 14 by means of which the drive motor 12 via a Push button 15 is controllable.
- the handle 13 has a known, pistol grip-like shape that allows the user to apply a pressing force in the direction of a tool progress enables. In the example shown, it is in the hand-held power tool 10 by an impact drill or a hammer drill, in which the tool progress in the longitudinal direction of the drilling tool and therefore a pressing force is to be applied in the direction of an arrow 21.
- the housing wall serves as the pressure surface for the operator on the rear part 24 of the handle 13.
- This Part 24 of the handle 13 is of a shell element 25 covered, which consists of a hard base body 26, which has a soft coating 27 in the area of the pressing surface wearing.
- the shell element 25 is in fastening points 30, 31 with connected to the machine housing 11 or to the handle 13.
- a first attachment point 30 is in the area of the free End 18 of the handle 13 is provided.
- the from a resilient tongue 32 formed on the base body 26 is formed, on which a locking hook 33 is formed.
- the Locking hook 33 engages behind in the mounting position of the shell element 25 a projection 34 on the handle housing 13.
- a second attachment point 31 is on the machine side End of the handle 13 in the area of its approach to the machine housing 11 provided.
- the tab 36 engages behind a paragraph 38 on the machine housing 11, the serves as a stop for the tab 36.
- the special type of attachment of the shell element 25 ensures in the first attachment point 30 almost backlash-free connection of shell element 25 and handle 13 in the pressing direction (arrow 21).
- the receiving opening 37 is significantly wider than the tab 36 so that in the pressing direction (arrow 21) there is a clear play of movement.
- the shell element 25 around its first attachment point 30 pivotable within limits, so that the tab 36 when pressed in Direction of arrow 21 against one opposite paragraph 38 Stop on the machine housing 11 are pressed can.
- the shell element 25 is removed from the handle 13 shown.
- the handle 13 is also without a shell element 25 fully functional and in hand machine tools in the usual way composed of two housing shells, that roughly in a longitudinal plane of the hand tool 1 are divided.
- the handheld power tool 10 such as conventional machines without special damping Handle is common, possible.
- the handle 13 is to be equipped with effective damping the damping element 40 is in the recess 43 used.
- the two housing shells to separate the machine housing 11 and the damping element 40 in between.
- the damping element 40 is over an edge 40a in a form-fitting manner in the handle 13 or in the machine housing 11 held.
- the tab 36 is first in the receiving opening 37th introduced, then the shell member 25 with his the first attachment point 30 facing end the handle 13 pressed, the tongue 32 on the projection 34 resiliently withdraws until the locking hook 33 behind the projection 34 can snap into place.
- the shell element 25 is then attached to the handheld power tool 10 without tools and then takes in the direction of the arrow without exerting a pressing force 48 the rest position shown in Figure 3. Between the hidden ones and therefore dashed housing contours 11a, 25a of the machine housing 11 and the shell element 25 then in the area of the second fastening point 31 Game s.
- the damping element 40 is thus between the machine housing 11 and shell element 25 interposed, that it is the shell element 25 under tension from the handle 13 away in the direction of the stop 38 on the machine housing 11 urges, which limits the game to a maximum value s becomes.
- the shell element 25 is, for example, by Opening the two-shell machine housing 11 possible because then the locking hook 33 can be moved laterally past the projection 34 is. But it would also be conceivable in the handle housing provide an opening through which the tongue 32 pushed back in the sense of an unlatching on the projection 34 can be.
- the hand tool 10 is in the working position shown in which on the shell member 25 by the operator Pressing force 48 is applied.
- the damping element 40 is elastically deformed by a maximum of the game s.
- the Shell element 25 then comes at least with its tab 36 for contact with the machine housing 11.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Power Tools In General (AREA)
Description
Claims (9)
- Handwerkzeugmaschine, insbesondere Bohrhammer oder Schlagbohrmaschine, mit einem Maschinengehäuse (11), mit einem Handgriff (13), der mit dem Maschinengehäuse (11) verbunden ist, und mit einem Schalenelement (25), das einen rückseitigen Teil (24) des Handgriffs (13) überdeckt und dem Bediener als Andruckfläche dient, wobei das Schalenelement (25) an wenigstens zwei Befestigungsstellen (30, 31) mit dem Handgriff (13) bzw. dem Maschinengehäuse (11) verbunden ist, wobei eine erste Befestigungsstelle (30) vorgesehen ist, die in Andruckrichtung (21) eine nahezu spielfreie Verbindung zwischen Handgriff (13) und Schalenelement (25) gewährleistet, dadurch gekennzeichnet, daß eine zweite Befestigungsstelle (31) vorgesehen ist, die in Andruckrichtung (21) ein Bewegungsspiel zwischen Handgriff (13) und Schalenelement (25) zuläßt und daß zwischen Handgriff (13) und Schalenelement (25) wenigstens ein Dämpfungselement (40) zwischengeschaltet ist, das das Schalenelement (25) unter Vorspannung vom Handgriff (13) weg in Richtung auf einen Anschlag (38) am Handgriff (13) drängt.
- Handwerkzeugmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das Schalenelement (25) aus einem harten Grundkörper (26) und einem die Andruckfläche überdeckenden weichen Überzug (27) zusammengesetzt ist.
- Handwerkzeugmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Schalenelement (25) auf einer Wandung (24) am rückseitigen Teil des Maschinengehäuses (11) wahlweise abnehmbar angeordnet ist.
- Handwerkzeugmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die erste Befestigungsstelle (30) durch eine am Schalenelement (25) vorspringede Zunge (32) gebildet wird, an der ein Rasthaken (33) ausgebildet ist, der in der Montagestellung des Schalenelementes (25) einen Vorsprung (34) am Handgriff (13) hintergreift.
- Handwerkzeugmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die zweite Befestigungsstelle (31) durch eine am Schalenelement (25) vorspringende Lasche (36) gebildet wird, die in eine Aufnahmeöffnung (37) im Maschinengehäuse (11) eingreift.
- Handwerkzeugmaschine nach Anspruch 5, dadurch gekennzeichnet, daß die Aufnahmeöffnung (37) und die Lasche (36) quer zur Andrückrichtung angeordnet sind, wobei die Aufnahmeöffnung (37) in Andrückrichtung breiter ist, als die Lasche (36).
- Handwerkzeugmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß am Schalenelement (25) eine Stützfläche (41) gebildet ist, die sich am Dämpfungselement (40) abstützt.
- Handwerkzeugmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Maschinengehäuse (11) aus zwei in Längsrichtung der Handwerkzeugmaschine (10) geteilten Gehäuseschalen gebildet ist und das Dämpfungselement (40) bei geöffneten Gehäuseschalen in eine Aussparung (43) im Maschinengehäuse (11) einsetzbar ist.
- Handwerkzeugmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schalenelement (25) wenigstens eine Versteifungsrippe (45) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19703746 | 1997-02-03 | ||
DE19703746A DE19703746A1 (de) | 1997-02-03 | 1997-02-03 | Handwerkzeugmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0856385A1 EP0856385A1 (de) | 1998-08-05 |
EP0856385B1 true EP0856385B1 (de) | 2000-07-19 |
Family
ID=7818998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97122891A Expired - Lifetime EP0856385B1 (de) | 1997-02-03 | 1997-12-24 | Handwerkzeugmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0856385B1 (de) |
JP (1) | JP4125812B2 (de) |
DE (2) | DE19703746A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7077218B2 (en) | 2004-05-20 | 2006-07-18 | Black & Decker Inc. | Motor housing and assembly process for power tool |
US12021437B2 (en) | 2019-06-12 | 2024-06-25 | Milwaukee Electric Tool Corporation | Rotary power tool |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19918118B4 (de) * | 1999-04-22 | 2008-04-10 | Scintilla Ag | Softgriffelement für Elektrohandwerkzeugmaschinen |
DE10063445B4 (de) * | 2000-12-20 | 2008-04-03 | Robert Bosch Gmbh | Betätigungshandgriff |
GB0105140D0 (en) * | 2001-03-02 | 2001-04-18 | Black & Decker Inc | Power tool body |
DE10228452A1 (de) * | 2002-06-26 | 2004-01-22 | Robert Bosch Gmbh | Handgriff einer Werkzeugmaschine |
DE102007036233A1 (de) * | 2007-08-02 | 2009-02-05 | Metabowerke Gmbh | Elektrohandwerkzeuggerät |
DE102008001829A1 (de) * | 2008-05-16 | 2009-11-19 | Robert Bosch Gmbh | Handwerkzeugmaschine, insbesondere Akku-Schrauber bzw. Akku-Bohrer |
GB2471141A (en) * | 2009-06-19 | 2010-12-22 | John-Paul Mcconville | Vibration-reducing handle cover |
EP3533563A1 (de) * | 2018-02-28 | 2019-09-04 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
DE102018206873A1 (de) * | 2018-05-04 | 2019-11-07 | Robert Bosch Gmbh | Werkzeugmaschinengehäuse |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6131682U (ja) * | 1984-07-27 | 1986-02-26 | 芝浦メカトロニクス株式会社 | 電動工具 |
JPS61209884A (ja) * | 1985-03-09 | 1986-09-18 | 松下電工株式会社 | 電動工具のグリツプ |
JPH0242824Y2 (de) * | 1985-09-24 | 1990-11-15 | ||
JPH0199578U (de) * | 1987-12-21 | 1989-07-04 | ||
JPH0340087U (de) * | 1989-08-25 | 1991-04-17 | ||
DE4124574A1 (de) * | 1991-07-24 | 1993-01-28 | Wolf Woco & Co Franz J | Griffisolierung |
US5428197A (en) * | 1993-06-01 | 1995-06-27 | Ryobi Motor Products Corp. | Electric tool actuator switch |
JP2596440Y2 (ja) * | 1993-09-17 | 1999-06-14 | 日立工機株式会社 | 電気ハンマの防振ハンドル |
JPH07276261A (ja) * | 1994-04-08 | 1995-10-24 | Hitachi Koki Co Ltd | 差込み式補助ハンドル装置 |
JP2638750B2 (ja) * | 1994-10-13 | 1997-08-06 | リョービ株式会社 | 電動工具のハンドル構造 |
-
1997
- 1997-02-03 DE DE19703746A patent/DE19703746A1/de not_active Withdrawn
- 1997-12-24 EP EP97122891A patent/EP0856385B1/de not_active Expired - Lifetime
- 1997-12-24 DE DE59702050T patent/DE59702050D1/de not_active Expired - Lifetime
-
1998
- 1998-02-02 JP JP02077998A patent/JP4125812B2/ja not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7077218B2 (en) | 2004-05-20 | 2006-07-18 | Black & Decker Inc. | Motor housing and assembly process for power tool |
US7134510B2 (en) | 2004-05-20 | 2006-11-14 | Black & Decker Inc. | Motor housing and assembly process for power tool |
US12021437B2 (en) | 2019-06-12 | 2024-06-25 | Milwaukee Electric Tool Corporation | Rotary power tool |
Also Published As
Publication number | Publication date |
---|---|
DE59702050D1 (de) | 2000-08-24 |
JP4125812B2 (ja) | 2008-07-30 |
JPH10217152A (ja) | 1998-08-18 |
DE19703746A1 (de) | 1998-08-06 |
EP0856385A1 (de) | 1998-08-05 |
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