EP1905546A2 - Poignée - Google Patents

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Publication number
EP1905546A2
EP1905546A2 EP07116427A EP07116427A EP1905546A2 EP 1905546 A2 EP1905546 A2 EP 1905546A2 EP 07116427 A EP07116427 A EP 07116427A EP 07116427 A EP07116427 A EP 07116427A EP 1905546 A2 EP1905546 A2 EP 1905546A2
Authority
EP
European Patent Office
Prior art keywords
handle
damping
grip
fastening
fastener
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.)
Withdrawn
Application number
EP07116427A
Other languages
German (de)
English (en)
Other versions
EP1905546A3 (fr
Inventor
Bernhard Eicher
Stefan Heess
Joerg Maute
Florian Esenwein
Marcus Schuller
Roswitha Eicher
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.)
Robert Bosch GmbH
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
Priority claimed from DE200610045629 external-priority patent/DE102006045629A1/de
Priority claimed from DE102007012300A external-priority patent/DE102007012300A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1905546A2 publication Critical patent/EP1905546A2/fr
Publication of EP1905546A3 publication Critical patent/EP1905546A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • 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 invention relates to a handle, in particular an auxiliary handle, for a hand tool according to the preamble of claim 1.
  • Additional handles are usually provided with vibration damping means.
  • a vibration-damped handle which comprises a sleeve-shaped outer grip element and a sleeve-shaped or cylindrical inner grip core.
  • the inner handle core is concentric with the outer handle member and spaced so that the handle core with the handle member defines a hollow cylindrical space.
  • the handle core has at its device-side end, which protrudes from the handle member, a mounting portion.
  • vibration damping means in the form of spacers made of rubber-elastic, preferably elastomeric, material is provided in the form of spacers made of rubber-elastic, preferably elastomeric, material is provided.
  • the spacers made of rubber-elastic material for example, rings, webs or nubs.
  • the invention is based on a handle which comprises a grip element and a fastening element, wherein the fastening element is arranged on the grip element.
  • the fastening element is for example at least partially received in the grip element.
  • the handle further comprises at least one damping element, which is arranged on the handle element.
  • the invention is that at least one element, in particular the handle element and / or the damping element, of the handle is designed as a removable element, which is replaceable fastened to the handle. This allows the operator to adapt the handle to the particular application by holding an element of the handle, e.g. the damping element, replaced with another damping element with different damping properties.
  • the grip element is designed as a replaceable grip element and replaceably attachable to the handle.
  • the interchangeable handle element is an element of the handle as a holding element. If the handle consists of a handle element, a fastening element and a damping element, and if the grip element is designed as a removable handle element, the fastening element and / or the damping element can serve as a retaining element. If only part of the gripping element is designed as a replaceable gripping element, then another part of the gripping element can serve as a holding element.
  • grip elements with different diameters can be available as interchangeable grip elements, so that the operator can use a grip element with a suitable diameter depending on the size of his hand.
  • a change handle elements and handle elements with different damping properties can be available. There are various change handle elements with different damping means equipped, which have stronger or weaker vibration-damping effect.
  • At least one damping element is designed as a removable damping element, which is replaceable fastened to the handle.
  • the exchange damping element For the attachment of the exchange damping element in turn serves an element of the handle as a holding element. If the handle consists of a handle element, a fastening element and a damping element and the damping element is designed as a removable damping element, the fastening element and / or the grip element can serve as a holding element. If at least one further damping element is present, another damping element can also serve as a retaining element.
  • damping element is designed as a replacement element of the handle
  • various damping elements are provided so that the operator of the handle for the respective application can select the appropriate damping element.
  • the grip element is designed as a replacement element, the operator has a particularly wide choice of combining a suitable grip element with a suitable damping element.
  • the change element and the holding element are preferably provided with corresponding engagement means.
  • the corresponding engagement means allow releasable attachment of the change element to the support member.
  • the releasable connection can be positive and / or non-positive.
  • the corresponding engagement means may for example consist of at least one insertion means, latching means or snap means and a corresponding receptacle.
  • the interchangeable element is provided with a plug-in means, latching means or snap means, which engages in a corresponding receptacle which is formed on the holding element.
  • the corresponding engagement means may also be a thread and a counter thread, so that the exchange element in or on the holding element can be screwed or screwed.
  • the handle according to the invention preferably has the shape of a style, rod or the like.
  • the handle element of the handle has a substantially cylindrical shape. In a simple embodiment, this may be a cylinder with a substantially constant diameter.
  • the cylindrical handle member may also be adapted to the ergonomics of the human hand by having different diameters along its longitudinal axis.
  • the gripping element can be rotationally symmetrical in this case, so that the handle can be grasped by the operator in an objective orientation.
  • the grip element may also be adapted to the ergonomics of the hand such that a support surface for the palm and a bearing surface for the fingers are specially designed.
  • the gripping element can be constructed in one piece or in several parts.
  • a multi-part grip element consists for example of a handle core and a handle cover with possibly intervening damping element.
  • One or more parts of the handle member may also be designed vibration damping.
  • the handle cover made of an elastic material, e.g. an elastomer or a foam may be formed, or the handle core may be formed as absorber mass.
  • the grip element may also have a coating of an elastic material.
  • the fastener is used for releasably securing the handle to a housing of a hand tool.
  • the fastening element may be a type of threaded bolt which can be screwed into the housing of the power tool.
  • the fastener may be a type of threaded nut or other form of a receptacle with an internal thread, wherein on the housing of the power tool a corresponding thread for attachment of the handle is provided.
  • a screwing device may also be used as a fastener.
  • a tensioning device may be provided for attaching the handle to the housing of a hand tool machine.
  • the fastening element is arranged on the gripping element of the handle.
  • the fastener is eg at least partially in the handle element taken so that it is on the one hand attached to the handle member and on the other hand protrudes for attachment to the power tool from the handle member. It may be directly connected to the gripping element or a part of the gripping element or separated from the gripping element or a part of the gripping element by a vibration-damping means.
  • the damping element may e.g. of an elastic material, in particular an elastomer or a foam. It can also be used with a fluid, e.g. a gas, a liquid or a gel, filled pillows, upholstery or the like. be.
  • a fluid e.g. a gas, a liquid or a gel, filled pillows, upholstery or the like.
  • the damping element may e.g. be arranged as a handle cover on the handle element. It can also be arranged vibration damping between fastener and handle element.
  • the grip element may be made hollow, so that the damping element is received in the cavity.
  • the handle element is made in two parts from a handle core and a handle cover, wherein the damping element between the handle core and handle cover is arranged.
  • the gap between the handle core and handle cover can be completely filled with the damping element, for example, by a thermoplastic elastomer is injected into the space between the handle core and handle cover.
  • it can also be introduced several individual damping elements in the form of knobs, rings, webs of an elastomeric material between the handle core and handle cover.
  • other vibration damping materials such as foams or gels and other fluid pads can be used as damping elements.
  • spring elements such as leaf springs, coil springs, etc. can serve as damping elements.
  • the handle is particularly suitable as an auxiliary handle for a hand tool, e.g. for an angle grinder, a hammer drill or a drill.
  • Another object of the invention is a hand tool, which has at least one handle according to the invention.
  • a handle 100 is shown schematically and partially in section, which serves as an auxiliary handle for a hand tool, e.g. an angle grinder, is suitable.
  • the handle 100 comprises a handle element 10, which has substantially the shape of a hollow cylinder. It also comprises a fastener 20 in the form of a threaded bolt, wherein the fastener 20 is shown for simplicity without thread.
  • the fastener 20 is partially received in the handle member 10 by a part of the fastener 20, in particular the head and a part of the shaft protrudes into the handle member 10, while another part, in particular the free end of the shaft, protrudes from the handle member 20 ,
  • the protruding end of the fastener 20 may be screwed into the housing of a hand tool for attachment of the handle 100 (not shown).
  • the handle 100 further comprises a damping element 30, which is fixedly connected to the handle element 10 in the illustrated embodiment.
  • the damping element 30 may be e.g. be an elastomer or a foam and molded in the cavity 12 to the handle member 10.
  • the damping element 30 is arranged between the fastening element 20 and the grip element 10.
  • the embodiment of the handle according to FIG. 1 has, as an exchangeable element, a replaceable gripping element 15, which is exchangeable on the handle 100 is fastened.
  • the grip element 10 is detachably fastened to a retaining element 45 of the handle 100 and can be replaced by the operator by means of another grip element 10.
  • the fastening element 20 serves as a retaining element 45.
  • the retaining element 45 and the interchangeable grip element 15 have engagement means 47a, 47b which correspond to one another and allow the interchangeable grip element 15 to be placed on the retaining element 45.
  • the damping element 30 fixedly connected to the interchangeable element 15 has a recess 32 for receiving the head 22 of the fastening element 20.
  • the mutually corresponding conical taper of the head 22 and the recess 32 ensures axial securing of the handle member 10 to the fastener 20, so that the handle member 10 can be plugged from the free end 24 of the fastener 20 and not over the head 22 of the Fastener 20 can be removed. Furthermore, an anti-rotation is ensured by the head 22 has a non-round cross-section. In the illustration according to FIG. 1, the head 22 of the fastening element 20 has flattened side surfaces 23.
  • Fig. 2 shows schematically an alternative embodiment of a removable handle member 15 which is replaceable attachable to a handle 200.
  • the grip element 10 is provided with a recess 11 for receiving a damping element 30 and a fastening element 20.
  • the damping element 30 is in turn firmly connected to the grip element 10. It may also be e.g. to act an elastomer or a foam which is molded into the recess 11 to the handle member 10.
  • the damping element 30 is arranged between the grip element 10 and the fastening element 20.
  • a fastener 20 is a kind of threaded bolt, wherein the thread on the free, protruding from the handle member 10 end 24 of the fastener 20 is not shown.
  • a part of the shaft 21 of the fastener 20 is provided in this embodiment with an additional mass, which causes an additional vibration damping effect as absorber mass.
  • the fastening element 20 serves as a retaining element 45.
  • the retaining element 45, the holding element 45 and the interchangeable handle member 15 are provided with mutually corresponding engaging means 47a, 47b.
  • a threaded sleeve 13 is received with internal thread 14 in the handle member 10.
  • the fastening element 20 has a corresponding external thread 26 at its end projecting into the grip element 10. In this way, the interchangeable handle element 15 with integrated damping element 30 can be screwed onto the fastening element 10.
  • FIG. 3 another embodiment of a handle according to the invention is shown.
  • two damping elements 30 are provided as a variable damping elements 35.
  • the handle 300 includes a handle member 10 which is hollow inside.
  • the grip member 10 receives a fastener 20 which has a not-shown thread at its free end 24.
  • the fastening element 20 according to FIG. 3 extends essentially through the entire grip element 10 along its longitudinal axis.
  • the fastener 20 could alternatively be made shorter (not shown).
  • a grip core could also be formed in the grip element 10, the grip core and fastening element forming two separate parts (not shown).
  • the grip element 10 is shown in FIG. 3 not only provided with a cavity 12, but is also open at its the free end 24 of the fastener 20 remote end. Via the opening 16, alternating damping elements 35 can be introduced into the grip element 10. Depending on the application, the operator can replace one or more damping elements 30 in order to adapt the vibration damping to the respective application.
  • the damping elements 30 may be made of an elastic material, e.g. an elastomer or a foam. However, they may also be incorporated with a fluid, e.g. be a gas, a liquid or a gel, filled cushioning pad.
  • a respective damping element 30 between two washers 31 and two nuts 33 is screwed onto the shaft 21 of the fastener 20.
  • the shaft 21 via his entire length be provided within the handle member 10 with a thread, so that the position of the damping elements 30 along the shaft 21 is freely selectable and infinitely adjustable.
  • the axial position of the damping elements 30 also influences their vibration damping properties.
  • Thread 26 of the shaft 21 and mating thread 34 of the nuts 33 thus form corresponding engagement means 47a, 47b, which allow releasable attachment of the exchange damping elements 35 on the shaft 21 of the fastener 20 as a holding element 45.
  • the damping elements 30 are also biased so that their damping properties are adjustable in addition to the bias.
  • the damping elements 30 assume a further function.
  • the grip element 10 is additionally designed as a replaceable handle element 15, which is why it is embodied detachably connectable to both the attachment element 10 and the damping elements 30.
  • the elastic damping elements 30 With the aid of the nuts 33, the elastic damping elements 30 are tensioned, whereby the grip element 10 is clamped to the fastening element 20.
  • both the grip element 10 and the damping elements 30 can be exchanged.
  • the grip element 10 may also be firmly connected to the fastening element 20, so that only the damping elements 30 are designed as alternating damping elements 35 (not shown).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Casings For Electric Apparatus (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
EP07116427A 2006-09-27 2007-09-14 Poignée Withdrawn EP1905546A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610045629 DE102006045629A1 (de) 2006-09-27 2006-09-27 Handgriff
DE102007012300A DE102007012300A1 (de) 2006-09-27 2007-03-14 Handgriff

Publications (2)

Publication Number Publication Date
EP1905546A2 true EP1905546A2 (fr) 2008-04-02
EP1905546A3 EP1905546A3 (fr) 2008-09-03

Family

ID=39126526

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116427A Withdrawn EP1905546A3 (fr) 2006-09-27 2007-09-14 Poignée

Country Status (1)

Country Link
EP (1) EP1905546A3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009074387A2 (fr) * 2007-12-13 2009-06-18 Robert Bosch Gmbh Système de poignée supplémentaire
WO2009077243A2 (fr) * 2007-12-18 2009-06-25 Robert Bosch Gmbh Poignée
EP2082846A2 (fr) 2008-01-24 2009-07-29 Black & Decker, Inc. Structure d'électrode pour capteur de matière particulaire
CN101804619A (zh) * 2009-02-13 2010-08-18 株式会社牧田 辅助把手
EP2241408A1 (fr) * 2009-04-17 2010-10-20 HILTI Aktiengesellschaft Poignée latérale

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080919A (en) * 1980-06-22 1982-02-10 Seto Kazuto Vibration damping handle
CH661241A5 (en) * 1982-09-08 1987-07-15 Bosch Gmbh Robert Auxiliary handle for a powered hand tool
DE8607168U1 (de) * 1986-03-15 1987-07-23 Robert Bosch Gmbh, 7000 Stuttgart Zusatzhandgriff für eine Handwerkzeugmaschine
US4739674A (en) * 1980-12-11 1988-04-26 Seiko Giken Kabushiki Kaisha Vibration damper
DE4011124A1 (de) * 1990-04-06 1991-10-10 Metabowerke Kg Vibrationsgedaempfter handgriff
US5269045A (en) * 1991-02-01 1993-12-14 Ingersoll-Rand Company Ergonomically adjustable tool handle
US5353474A (en) * 1992-05-01 1994-10-11 Good Wayne T Transferrable personalized grip for a handle assembly and method for making same
US5921695A (en) * 1997-12-23 1999-07-13 Ingersoll-Rand Company Ergonomically adjustable tool handle having a dual direction locking device
EP0995553A2 (fr) * 1998-10-19 2000-04-26 Wilhelm Kächele GmbH, Elastomertechnik Poignée à amortissement de vibrations
EP1514648A2 (fr) * 2003-09-10 2005-03-16 Makita Corporation Manche sans vibration

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080919A (en) * 1980-06-22 1982-02-10 Seto Kazuto Vibration damping handle
US4739674A (en) * 1980-12-11 1988-04-26 Seiko Giken Kabushiki Kaisha Vibration damper
CH661241A5 (en) * 1982-09-08 1987-07-15 Bosch Gmbh Robert Auxiliary handle for a powered hand tool
DE8607168U1 (de) * 1986-03-15 1987-07-23 Robert Bosch Gmbh, 7000 Stuttgart Zusatzhandgriff für eine Handwerkzeugmaschine
DE4011124A1 (de) * 1990-04-06 1991-10-10 Metabowerke Kg Vibrationsgedaempfter handgriff
US5269045A (en) * 1991-02-01 1993-12-14 Ingersoll-Rand Company Ergonomically adjustable tool handle
US5353474A (en) * 1992-05-01 1994-10-11 Good Wayne T Transferrable personalized grip for a handle assembly and method for making same
US5921695A (en) * 1997-12-23 1999-07-13 Ingersoll-Rand Company Ergonomically adjustable tool handle having a dual direction locking device
EP0995553A2 (fr) * 1998-10-19 2000-04-26 Wilhelm Kächele GmbH, Elastomertechnik Poignée à amortissement de vibrations
EP1514648A2 (fr) * 2003-09-10 2005-03-16 Makita Corporation Manche sans vibration

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009074387A2 (fr) * 2007-12-13 2009-06-18 Robert Bosch Gmbh Système de poignée supplémentaire
WO2009074387A3 (fr) * 2007-12-13 2009-07-30 Bosch Gmbh Robert Système de poignée supplémentaire
WO2009077243A2 (fr) * 2007-12-18 2009-06-25 Robert Bosch Gmbh Poignée
WO2009077243A3 (fr) * 2007-12-18 2009-08-13 Bosch Gmbh Robert Poignée
EP2082846A2 (fr) 2008-01-24 2009-07-29 Black & Decker, Inc. Structure d'électrode pour capteur de matière particulaire
EP2082846A3 (fr) * 2008-01-24 2011-09-14 Black & Decker, Inc. Structure d'électrode pour capteur de matière particulaire
US9061412B2 (en) 2008-01-24 2015-06-23 Black & Decker Inc. Handle assembly for power tool
CN101804619A (zh) * 2009-02-13 2010-08-18 株式会社牧田 辅助把手
EP2218555A1 (fr) * 2009-02-13 2010-08-18 Makita Corporation Poignée auxiliaire
RU2522405C2 (ru) * 2009-02-13 2014-07-10 Макита Корпорейшн Вспомогательная рукоятка
EP2241408A1 (fr) * 2009-04-17 2010-10-20 HILTI Aktiengesellschaft Poignée latérale
US9242363B2 (en) 2009-04-17 2016-01-26 Hilti Aktiengesellschaft Side handle for a hand-held power tool

Also Published As

Publication number Publication date
EP1905546A3 (fr) 2008-09-03

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