WO2009074410A1 - Poignée - Google Patents

Poignée Download PDF

Info

Publication number
WO2009074410A1
WO2009074410A1 PCT/EP2008/065153 EP2008065153W WO2009074410A1 WO 2009074410 A1 WO2009074410 A1 WO 2009074410A1 EP 2008065153 W EP2008065153 W EP 2008065153W WO 2009074410 A1 WO2009074410 A1 WO 2009074410A1
Authority
WO
WIPO (PCT)
Prior art keywords
handle
core
damping element
cover
damping
Prior art date
Application number
PCT/EP2008/065153
Other languages
German (de)
English (en)
Inventor
Roswitha Eicher
Stefan Heess
Joerg Maute
Florian Esenwein
Bernhard Eicher
Marcus Schuller
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 WO2009074410A1 publication Critical patent/WO2009074410A1/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
    • 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

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 substantially sleeve-shaped handle member and a substantially sleeve or cylindrical inner handle core.
  • Handle element and handle core are arranged spaced from each other, so that an intermediate space between the handle element and handle core is formed.
  • space vibration damping means in the form of spacers made of rubber-elastic material are provided.
  • the invention relates to a handle for a hand tool with a handle element, which comprises a handle core and at least one handle cover.
  • the gripping element is accordingly designed in at least two parts, wherein the gripping core and the at least one gripping sheath are arranged substantially concentrically with one another.
  • the handle core is spaced from the at least one handle cover.
  • the handle may have a second handle cover, which is also arranged concentrically to the handle core.
  • the second handle cover may be spaced from the first handle cover.
  • the damping element is in particular made of an elastomeric material.
  • the handle is particularly suitable as an additional handle.
  • the damping element is shaped such that the
  • Damping element has due to its shape vibration damping properties. This means that the damping element is not only formed from an elastic, in particular elastomeric, material, but additionally has a shape due to which the damping element causes additional elastic or resilient effect. Thus, the effect of an elastic damping element can advantageously be additionally reinforced.
  • the damping element is preferably arranged annularly between the handle core and the first handle cover, so that the damping element is arranged similar to an O-ring concentrically around the handle core.
  • Damping element rests on the one hand on the handle core and on the other hand on the inner surface of the handle cover.
  • the damping element may alternatively be arranged diagonally to the longitudinal axis of the grip element. It may, for example, wind around the handle core and thereby extend over the entire axial length of the handle member.
  • damping element can also be aligned along the longitudinal axis of the grip element between the grip core and the grip cover.
  • the damping element which is arranged annularly, diagonally or along the grip element between the grip core and the grip cover, according to a first embodiment has a substantially U-shaped cross-section.
  • the damping element made of an elastic material thus has an additional elastic effect due to its U-shape.
  • the damping element has a in
  • a first longitudinal side of the O-shaped damping element rests on the handle core, a second longitudinal side on the inner surface of the handle cover. Also, the O-shaped damping element has an additional elastic effect due to its shape.
  • the damping element has the form of a band, which shows an additional elastic effect in its longitudinal direction.
  • the band is guided diagonally to the longitudinal axis of the handle around the handle core.
  • the band-shaped damping element is thus wound around the handle core.
  • two and more bands may be provided, which are in particular equipped with different elasticity. These may for example be arranged alternately around the handle core. Thus, vibrations of different frequency can be absorbed by the damping element.
  • the grip element next to the handle core comprises a first handle cover and a second handle cover, wherein preferably the first and the second handle cover are arranged concentrically around the handle core.
  • the first handle cover is spaced from the handle core and the second handle cover spaced from the first handle cover.
  • a damping element is provided between the handle core and the first handle cover and / or between the first handle cover and the second handle cover.
  • the fastening element of the handle can be designed in different ways. It may be, for example, a threaded bolt, wherein the protruding from the handle end is provided with a thread to the fastener into the housing of a power tool to - A -
  • a tensioning device may be provided for connecting the handle to the housing of a hand tool machine.
  • the receiving sleeve serves to receive a screw which is connectable to the nut.
  • a screw may be attached to the housing of the power tool.
  • the screw is inserted into the receiving sleeve and bolted to the nut.
  • the screw may e.g. be mounted on the housing via a tensioning device.
  • 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. This may be a cylinder in a simple embodiment. In a further embodiment, however, the cylindrical gripping element can also be adapted to the ergonomics of the human hand by having, for example, different diameters apart from a pure cylindrical shape along its longitudinal axis.
  • Handle member may be rotationally symmetrical, so that the handle in any orientation by the operator is tangible.
  • the gripping element can also be so specially adapted to the ergonomics of the human hand that a first area of the gripping element serves specifically as a support surface for the palm and a second area as a support surface for the fingers.
  • Another object of the invention is formed by a hand tool with a handle according to the invention.
  • the hand tool may e.g. an angle grinder or a drill.
  • FIG. 1 is a schematic representation of a handle according to the invention according to a first embodiment
  • Figure 2 is a schematic representation of a handle according to the invention according to a second embodiment
  • Figure 3 is a schematic representation of a handle according to the invention according to a third embodiment.
  • Fig. 1 shows a first embodiment of a handle according to the invention
  • the handle 100 which is suitable as an additional handle, for example for an angle grinder.
  • the handle 100 includes a handle member 20 and a fastener 10 for attaching the handle 100 to a housing of a hand tool (not shown).
  • the fastener 10 is in the illustrated embodiment, a threaded bolt, the free end is provided with a thread and protrudes from the handle 100 so that it can be screwed into a housing of a power tool.
  • the grip element 20 is executed in a style and cylindrical.
  • the grip element 20 comprises a grip core 21 which extends along the longitudinal axis of the grip element 20, and a grip shell 22 which is arranged concentrically to the grip core 21 substantially.
  • the grip core 21 and grip cover 22 are arranged at a distance from one another.
  • the handle core 21 is integrally formed with the fastener 10 as shown in FIG. However, it could also be designed as a separate component, ie in two parts with the fastening element 10.
  • the damping elements 32, 34 are shaped such that they have due to their shape vibration damping properties.
  • the damping elements 32, 34 are arranged annularly between the handle core 21 and the handle cover 22, so that the damping elements 32, 34 is arranged concentrically around the handle core 21.
  • the damping element 32 has a substantially U-shaped cross-section. In this case, a first leg of the U-shaped damping element 32 is located on the handle core 21, a second leg on the inner surface 23 of the handle cover 22 at.
  • the damping element 32 made of an elastic material thus has an additional elastic effect due to its U-shape.
  • the damping element 34 has a substantially O-shaped cross section, with a first longitudinal side of the O-shaped damping element 34 abutting the handle core 21, a second longitudinal side on the inner surface 23 of the handle cover 22. Also, the O-shaped damping element 34 has due to its shape an additional elastic effect.
  • a damping element 36 is likewise provided between the handle core 21 and the handle cover 22, the shape of which is an additional elastic
  • the handle core 21 of the handle member 20 of FIG. 2 is hollow inside. Handle core 21 and fastener 10 are made in two parts here.
  • the damping element 36 may be arranged diagonally to the longitudinal axis of the grip element 20. It has essentially the shape of a band, which shows an additional elastic effect in its longitudinal direction.
  • the band-shaped damping element 36 is guided around the handle core 21 around and extends diagonally over the entire axial length of the handle member 20.
  • two band-shaped damping elements 36a, 36b are provided, which have a different elasticity.
  • the two bands are alternately wound around the handle core 21 around.
  • the handle cover 22 is connected to the handle core 21 with the aid of the damping elements 36a, 36b.
  • the handle element 20 comprises, in addition to the handle core 21, a first handle cover 22 and a second handle cover 24, wherein the first and the second handle cover 22, 24 are arranged concentrically around the handle core 21.
  • the first handle cover 22 is spaced from the handle core 21 and the second handle cover 24 is spaced from the first handle cover 22.
  • the grip core 21 is formed in one piece with the second grip cover 24.
  • the first handle cover 22 in turn is designed in one piece with the fastening element 10.
  • damping elements 37 are provided, which are shown for the sake of simplified representation without special elastic structure.
  • the damping elements 37 may have a U or O shape as shown in FIG. Any other shape with one
  • damping elements 37 rest on the one hand on the handle core 21, on the other hand on the inner surface 23 of the first handle cover 22.
  • damping elements 38 are provided between the first handle cover 22 and the second handle cover 24. However, these are shown in FIG. 3 only on the outer surface 25 of the first handle cover 22 at. They serve only as
  • damping elements 38 could be mounted as an overload stop on the inner surface 27 of the second handle cover 24 (not shown).
  • damping elements 38 as an overload stop damping elements which similar to the damping elements 37 both at the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)

Abstract

L'invention concerne une poignée, en particulier une poignée auxiliaire, destinée à une machine-outil portative. Cette poignée comprend un élément de préhension (20) qui comporte une âme (21) et au moins une enveloppe (22, 24), un élément de fixation (10) permettant de fixer la poignée sur un bâti d'une machine-outil portative, ainsi qu'un élément d'amortissement (32, 34, 36, 37) en matériau élastique disposé entre l'âme (21) et la première enveloppe (22) de la poignée, cet élément d'amortissement (32, 34, 36, 37) étant conçu de façon à présenter une forme lui conférant des propriétés antivibratoires.
PCT/EP2008/065153 2007-12-11 2008-11-07 Poignée WO2009074410A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007059556.7 2007-12-11
DE200710059556 DE102007059556A1 (de) 2007-12-11 2007-12-11 Handgriff

Publications (1)

Publication Number Publication Date
WO2009074410A1 true WO2009074410A1 (fr) 2009-06-18

Family

ID=40042905

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/065153 WO2009074410A1 (fr) 2007-12-11 2008-11-07 Poignée

Country Status (2)

Country Link
DE (1) DE102007059556A1 (fr)
WO (1) WO2009074410A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022192243A1 (fr) * 2021-03-08 2022-09-15 Milwaukee Electric Tool Corporation Ensemble poignée latérale pour outil électrique
TWI827267B (zh) * 2022-09-19 2023-12-21 施瑞源 具有緩衝效果的手工具

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029626B4 (de) * 2009-09-21 2020-04-23 Robert Bosch Gmbh Handwerkzeugmaschine
DE102011078376A1 (de) * 2011-06-30 2013-01-03 Robert Bosch Gmbh Handgriffvorrichtung, insbesondere für Handwerkzeuge

Citations (5)

* 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
US4972733A (en) * 1988-12-12 1990-11-27 Textron Inc Shock absorbing grip
EP0849492A2 (fr) * 1996-12-18 1998-06-24 Ingersoll-Rand Company Amortisseur à un axe parallèle de déplacement
EP0995553A2 (fr) * 1998-10-19 2000-04-26 Wilhelm Kächele GmbH, Elastomertechnik Poignée à amortissement de vibrations
DE10348974A1 (de) * 2003-10-22 2005-05-25 Carl Freudenberg Kg Vibrationsgedämpfter Handgriff

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10348973A1 (de) 2003-10-22 2005-05-25 Carl Freudenberg Kg Vibrationsgedämpfter Handgriff

Patent Citations (5)

* 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
US4972733A (en) * 1988-12-12 1990-11-27 Textron Inc Shock absorbing grip
EP0849492A2 (fr) * 1996-12-18 1998-06-24 Ingersoll-Rand Company Amortisseur à un axe parallèle de déplacement
EP0995553A2 (fr) * 1998-10-19 2000-04-26 Wilhelm Kächele GmbH, Elastomertechnik Poignée à amortissement de vibrations
DE10348974A1 (de) * 2003-10-22 2005-05-25 Carl Freudenberg Kg Vibrationsgedämpfter Handgriff

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022192243A1 (fr) * 2021-03-08 2022-09-15 Milwaukee Electric Tool Corporation Ensemble poignée latérale pour outil électrique
TWI827267B (zh) * 2022-09-19 2023-12-21 施瑞源 具有緩衝效果的手工具

Also Published As

Publication number Publication date
DE102007059556A1 (de) 2009-06-18

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