WO2009092486A1 - Poignée pour un outil entraîné notamment par moteur - Google Patents

Poignée pour un outil entraîné notamment par moteur Download PDF

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Publication number
WO2009092486A1
WO2009092486A1 PCT/EP2008/066875 EP2008066875W WO2009092486A1 WO 2009092486 A1 WO2009092486 A1 WO 2009092486A1 EP 2008066875 W EP2008066875 W EP 2008066875W WO 2009092486 A1 WO2009092486 A1 WO 2009092486A1
Authority
WO
WIPO (PCT)
Prior art keywords
handle
clamping ring
clamping
tab
tool
Prior art date
Application number
PCT/EP2008/066875
Other languages
German (de)
English (en)
Inventor
Ferdinand Emch
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2009092486A1 publication Critical patent/WO2009092486A1/fr

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
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • the present invention relates to a handle, in particular an auxiliary handle, for a tool, in particular a motor-driven tool.
  • Such handles are known from the prior art in different embodiments. These handles are commonly used on electric tools, e.g. an electric drill o.a. used to allow holding the electric tool with both hands on different handles.
  • an additional handle for a rotary hammer which comprises a handle and a clamping ring.
  • the handle is fastened by means of a screw on the clamping ring and the clamping ring is made open and has two tabs on which a thumbscrew is provided.
  • the clamping ring can be clamped or unlocked by tightening or loosening the thumbscrew.
  • such a configuration has a plurality of different parts and for clamping an undesirable screwing operation is necessary.
  • an additional handle for a drill o.a. known in which the clamping ring also has two tabs through which a long screw is passed.
  • This long screw also serves to fix a handle, with a clamping or loosening of the clamping ring is achieved by turning the handle.
  • the handle is rotated unintentionally, whereby a loosening of the clamping ring of the power tool occurs. This can result in dangerous situations for a user of the handle.
  • the handle according to the invention with the features of claim 1 has the advantage over that it allows a simple and secure terminals and has a very cost-effective structure.
  • a clamp-fixing device clamps a clamping ring on the tool and at the same time the clamping ring is fixed to the handle.
  • the handle comprises a clamping fixing device which fixes the clamping ring on the handle and at the same time biases the clamping ring on the tool during the fixing process.
  • the clamp-fixing device is pivotally arranged about an axis.
  • a clamping or releasing of the clamping ring can be carried out by a pivoting movement, so that o.a. can be waived.
  • the clamp-fixing device comprises a pivot lever with an eccentric and is pivotally mounted on the handle.
  • the eccentric area comes into contact with the clamping ring and thus enables the clamping operation.
  • the handle comprises a U-shaped receptacle having a first free leg, a second free leg and a connecting region connecting the legs.
  • the clamping ring comprises an annular, open
  • Clamping area wherein a first tab and a second tab is arranged on the open part.
  • the first and second tabs are directed outwardly from the clamping area and are arranged in the assembled state in the U-shaped receptacle of the handle.
  • a particularly compact structure is realized.
  • an outer shape of the handle can be realized without projecting parts, since the protruding tabs are arranged in the handle.
  • a fixing of the clamping ring on the handle takes place in the U-shaped receptacle and also can be done by the fact that the two tabs are directed into the U-shaped receptacle, a clamping of the clamping ring.
  • the handle comprises a first pin and a second pin, which are arranged at the connection region of the U-shaped receptacle. Further, in at least the first tab, a first and a second through-hole are formed, and each one of the two pins is disposed in one of the through holes. As a result, a simple and secure fixation of the clamping ring is obtained on the handle.
  • a latching recess is formed on the second tab, which can be brought into engagement with the eccentric region of the pivot lever.
  • a latching connection between the pivot lever and the clamping ring is provided.
  • a click during clamping of the clamping ring can be generated by the latching recess when the eccentric portion of the pivot lever is pivoted into the latching recess.
  • a user can be signaled by the clicking sound successful clamping of the clamping ring.
  • the handle comprises a spring element, which after a release of the
  • connection between the pivot lever and the clamping ring opens the clamping ring.
  • the spring element is arranged between the first and second tab. After opening, the handle on the tool, for example, can be pivoted and fixed in another position relative to the tool again.
  • the clamping ring preferably on the inner circumference of a screening, which engages in the clamped state of the clamping ring in correspondingly formed areas on the tool.
  • the screening is preferably formed by inwardly projecting elongated portions which are aligned in the axial direction of the clamping ring. These projecting areas engage in correspondingly formed recesses on the tool.
  • the screening can also be formed by recesses on the inner circumference of the clamping ring, which in the tensioned - A -
  • the present invention relates to a tool, in particular a power tool with a handle according to the invention, which is provided in the tool as an additional handle.
  • FIG. 1 shows a schematic, perspective view of a handle according to a first embodiment in the open state, which is partially shown in section,
  • FIG. 2 is a schematic, perspective view of that shown in FIG.
  • Figure 3 is an exploded view of that shown in Figures 1 and 2
  • FIG. 4 shows a perspective view of the handle of FIGS. 1 to 3
  • Figure 5 is a schematic sectional view of a handle according to a second embodiment of the invention.
  • Figure 6 is a schematic, perspective view of a clamping ring according to the second embodiment.
  • a handle 1 according to a first embodiment of the invention will be described in detail with reference to Figures 1 to 4.
  • the handle shown in the figures is an auxiliary handle, which is arranged, for example on a power tool in a front region of the power tool to allow a secure gripping of the power tool.
  • the handle 1 comprises a handle 2, on which a user's hand engages, and a clamping ring 3.
  • the clamping ring 3 is connected to the handle 2 via a clamping fixing device 4.
  • the clamp-fixing device 4 comprises a pivoting lever 5, which by means of a bolt
  • a U-shaped receptacle 7 is formed on the handle 2, which comprises a first free leg 8, a second free leg 9 and a connecting portion 10 connecting the two free legs 8, 9.
  • a first bore 8a is formed and in the second free leg 9, a second bore 9a is formed.
  • the bolt 6 is passed through the two bores 8a, 9a and, as can be seen from FIGS. 1 and 2, the pivoting lever 5 is provided with a bore 5b through which the bolt 6 passes is. Between the bolt 6 and the pivot lever 5 while a press fit is formed and the bolt can be pivoted in the two holes 8 a, 9 a.
  • a first journal 11 and a second journal 12 are formed on the inside of the connecting region 10 of the U-shaped receptacle 7.
  • the first pin 11 is slightly shorter than the second pin 12.
  • the pins 12 have a cylindrical shape and are arranged in the middle between the first free leg 8 and the second free leg 9.
  • An axial direction of the pins 11, 12 is parallel to the longitudinal direction of the legs 8, 9.
  • the clamping ring 3 of the handle 1 is formed as an open ring and includes an open annular clamping portion 30, a first tab 31 and a second tab 32.
  • the two tabs 31, 32 are disposed at the open ends of the clamping portion 30 and are from the clamping portion 30 after directed outside.
  • a first through-opening 35 and a first through-opening 35 are in the first tab 31 second passage opening 36 formed.
  • a third fürgangsöffhung 37 is formed in the second tab 32.
  • a latching recess 33 in the form of a groove is formed on the second tab 32.
  • the recess has a semi-cylindrical shape and extends over the entire width of the second tab 32 and is disposed on the outside of the second tab.
  • the projecting portions 34 are longitudinal projections directed in the axial direction of the clamping ring 3, which are each arranged at a predetermined distance from each other along the entire inner circumference of the clamping ring 3.
  • correspondingly formed recesses are provided which come into engagement with the projecting portions 34 during clamping of the clamping ring and fix the handle 1 on the tool.
  • the projecting portions 34 thereby provide a securing of the handle in both the axial direction and in the circumferential direction.
  • the second pin 12 is guided through both the second through-opening 36 on the first tab 31 and through the third through-opening 37 on the second tab 32.
  • One end of the first pin 11 abuts an inner side of the second tab 32 (see FIG.
  • a spring element 13 is provided in the form of a spiral spring and is slipped over the first pin 11.
  • the spring element 13 has the task of opening the clamping ring 3 after loosening the clamping-fixing device 4 by pressing against the inner sides of the tabs 31, 32.
  • a clamping of the clamping ring 3 in the clamping state is then carried out by pivoting the pivot lever 5 from the open position shown in Figures 1 and 2.
  • Swivel lever 5 is an eccentric 5a provided, which comes through the pivoting operation with the second tab 32 into contact and presses the second tab 32 in the direction of the first tab 31.
  • the eccentric region 5a engages with the latching recess 33, whereby a clicking sound is generated.
  • the eccentric region 5a is in the
  • Locking recess 33 secured so that unintentional release of the pivot lever and thus a release of the clamping ring 3 is avoided.
  • the handle 1 has only a minimal number of parts, so that its production is particularly cost-effective.
  • the handle 2 may for example be made of a plastic material by means of injection molding, wherein the pins 11, 12 and the U-shaped receptacle 7 integral with the actual
  • the clamping ring 3 can be inexpensively manufactured by injection molding.
  • the handle 1 according to the invention has a significantly reduced number of individual parts.
  • a handle according to a second embodiment of the invention will be described with reference to Figures 5 and 6, wherein the same or functionally identical parts are denoted by the same reference numerals as in the first embodiment.
  • the handle of the second embodiment substantially corresponds to that of the first embodiment, wherein in contrast to the second embodiment additionally a reinforcing rib 40 is provided.
  • the reinforcing rib 40 is, as can be seen in FIG. 5, arranged below the second journal 12 and supports the second journal 12.
  • the reinforcing rib 40 is formed integrally with the second pin 12.
  • a slot 41 is formed in the first tab 31 of the clamping ring 3.
  • the slot 41 in this case points from the outermost end of the first tab 31 to the second passage opening 36.
  • the slot 41 has a width which corresponds to a width of the reinforcing rib 40. This allows the clamping ring 3 easily over the first and second -

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

L'invention concerne une poignée, en particulier une poignée auxiliaire, pour un outil, en particulier un outil entraîné par moteur, comprenant : un manche de poignée (2); une bague de serrage (3), qui est assemblée au manche de poignée (2); et un dispositif de fixation par serrage (4), qui fixe la bague de serrage (3) sur le manche de poignée (2) et serre la bague de serrage (3) sur l’outil. Selon l’invention, le dispositif de fixation par serrage (4) effectue simultanément la fixation de la bague de serrage (3) sur le manche de poignée (2) et le serrage de la bague de serrage (3).
PCT/EP2008/066875 2008-01-25 2008-12-05 Poignée pour un outil entraîné notamment par moteur WO2009092486A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810000158 DE102008000158A1 (de) 2008-01-25 2008-01-25 Handgriff für ein insbesondere motorisch angetriebenes Werkzeug
DE102008000158.9 2008-01-25

Publications (1)

Publication Number Publication Date
WO2009092486A1 true WO2009092486A1 (fr) 2009-07-30

Family

ID=40394075

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/066875 WO2009092486A1 (fr) 2008-01-25 2008-12-05 Poignée pour un outil entraîné notamment par moteur

Country Status (2)

Country Link
DE (1) DE102008000158A1 (fr)
WO (1) WO2009092486A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9932711B2 (en) 2013-04-29 2018-04-03 Semperit Ag Holding Rail pad
US11318589B2 (en) 2018-02-19 2022-05-03 Milwaukee Electric Tool Corporation Impact tool
US11583992B2 (en) 2021-03-25 2023-02-21 Milwaukee Electric Tool Corporation Side handle for power tool

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027570A1 (de) 2009-07-09 2011-01-13 Robert Bosch Gmbh Vorrichtung zum Positionieren und Befestigen einer Einrichtung, insbesondere eines Handgriffs an einem Elektrowerkzeug
CN102892537B (zh) * 2010-04-16 2016-03-16 胡斯华纳有限公司 岩芯钻机以及用于岩芯钻机的手柄组件
FR3035016B1 (fr) * 2015-04-20 2017-11-24 Illinois Tool Works Poignee amovible pour un outil portatif
DE102016207755A1 (de) * 2016-05-04 2017-11-09 Robert Bosch Gmbh Zusatzhandgriff für eine Handwerkzeugmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132593A2 (fr) * 1983-06-25 1985-02-13 C. & E. FEIN GmbH & Co. Poignée auxiliaire pour outils à main
WO2003092964A1 (fr) * 2002-05-03 2003-11-13 Mp-Innovent Limited Dispositif d'indication de la direction multifonctions
US20040163214A1 (en) * 2003-02-25 2004-08-26 Motomax Electric Co., Ltd. Assist handle for electric tools
GB2429943A (en) * 2005-09-08 2007-03-14 Bosch Gmbh Robert Handle fixing device for an electric power tool
DE202007008670U1 (de) * 2006-09-01 2007-08-23 Robert Bosch Gmbh Handgriff
WO2008061837A1 (fr) * 2006-11-22 2008-05-29 Robert Bosch Gmbh Poignée supplémentaire à levier de serrage excentrique pour une machine-outil à main

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7927713U1 (de) 1979-09-29 1981-03-26 Robert Bosch Gmbh, 70469 Stuttgart Handgriff fuer ein werkzeug, insbesondere zusatzhandgriff fuer einen bohrhammer
DE4132058A1 (de) 1991-09-26 1993-04-01 Hilti Ag Handgriff fuer handgefuehrte werkzeugmaschinen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132593A2 (fr) * 1983-06-25 1985-02-13 C. & E. FEIN GmbH & Co. Poignée auxiliaire pour outils à main
WO2003092964A1 (fr) * 2002-05-03 2003-11-13 Mp-Innovent Limited Dispositif d'indication de la direction multifonctions
US20040163214A1 (en) * 2003-02-25 2004-08-26 Motomax Electric Co., Ltd. Assist handle for electric tools
GB2429943A (en) * 2005-09-08 2007-03-14 Bosch Gmbh Robert Handle fixing device for an electric power tool
DE202007008670U1 (de) * 2006-09-01 2007-08-23 Robert Bosch Gmbh Handgriff
WO2008061837A1 (fr) * 2006-11-22 2008-05-29 Robert Bosch Gmbh Poignée supplémentaire à levier de serrage excentrique pour une machine-outil à main

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9932711B2 (en) 2013-04-29 2018-04-03 Semperit Ag Holding Rail pad
US11318589B2 (en) 2018-02-19 2022-05-03 Milwaukee Electric Tool Corporation Impact tool
US11964368B2 (en) 2018-02-19 2024-04-23 Milwaukee Electric Tool Corporation Impact tool
US11583992B2 (en) 2021-03-25 2023-02-21 Milwaukee Electric Tool Corporation Side handle for power tool
US11919140B2 (en) 2021-03-25 2024-03-05 Milwaukee Electric Tool Corporation Side handle for power tool

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