EP1116551B1 - Ponçeuse à guidage manuel - Google Patents

Ponçeuse à guidage manuel Download PDF

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Publication number
EP1116551B1
EP1116551B1 EP00811160A EP00811160A EP1116551B1 EP 1116551 B1 EP1116551 B1 EP 1116551B1 EP 00811160 A EP00811160 A EP 00811160A EP 00811160 A EP00811160 A EP 00811160A EP 1116551 B1 EP1116551 B1 EP 1116551B1
Authority
EP
European Patent Office
Prior art keywords
sanding
housing
hand guided
handle
grip surface
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
Application number
EP00811160A
Other languages
German (de)
English (en)
Other versions
EP1116551A3 (fr
EP1116551A2 (fr
EP1116551B8 (fr
Inventor
Roland Legner
Silvio Vogt
Heinz-Joachim Schneider
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP1116551A2 publication Critical patent/EP1116551A2/fr
Publication of EP1116551A3 publication Critical patent/EP1116551A3/fr
Publication of EP1116551B1 publication Critical patent/EP1116551B1/fr
Application granted granted Critical
Publication of EP1116551B8 publication Critical patent/EP1116551B8/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION 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
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor

Definitions

  • the innovation relates to a hand - held grinder according to the preamble of Protection claim 1, as known for example from EP 0 936 033 A.
  • Wood, plastic, gypsum or even metal are grinding devices in the most diverse Implementations used.
  • the most common types of grinders are either Orbital sander or eccentric sander, in which the component of a motor driven, a flat grinding movement exporting grinding element processed is used to eliminate mass inaccuracies and depending on the used Sanding to achieve a more or less smooth surface.
  • the housing of the known grinding devices extend substantially above the Grinding surface and serve to accommodate the drive motor and a transmission. Most of the devices also have a laterally projecting housing part in which more Electronic components are housed. The laterally projecting housing part is used In many cases, the attachment of a dust bag or the like devices.
  • the known grinding devices are usually performed with two hands.
  • To the laterally projecting housing part is designed as a handle.
  • At the lateral protruding, designed as a handle housing part facing away from the central Housing is arranged a second handle.
  • the grinder is usually performed with one hand. This takes the User the grinder in the head area of the central housing, the one Has support surface for the hand.
  • the known grinding machines has in the Einhand entry the guide hand a relatively large distance from the Abrasive surface on. This gives the user a feeling for the course of the Surface lost. Due to the unfavorable ratio of the dimension of Grinding surface of the grinder to the height of the grip position above the grinding surface is the Tilting moment very large. There is a risk that due to a tilting of the Grinder scoring and grinding marks are generated in the surface of the component and the grinding result is unsatisfactory. For grinding operations on vertical Walls in which the device is held with vertical alignment of its grinding surface and when grinding roundings of a component is due to the distance of the Center of gravity of the grip position an increased effort required.
  • the object of the present innovation is therefore to address these disadvantages of the state of the art Technique to remedy. It is to be created a hand-guided grinder in which a one-handed guide with little effort is possible. The danger of Sanding marks due to tilting of the grinder should be reduced. It should the device for the widest possible use in one or two-hand operation be prepared in which the user for him and the particular application can choose the most favorable attitude of the grinder.
  • the solution of these tasks consists in an innovation, which in the characterizing Section of the protection claim 1 features.
  • advantageous Further developments of the innovation and / or preferred embodiments are Subject of the dependent claims.
  • the subject of the innovation is thus a Hand-held grinder for a, a flat grinding movement exporting Abrasive element that can be mounted on a motor-driven sanding pad.
  • the sanding pad is mounted on a shaft that protrudes from a central device housing extends axially above the grinding plate and the inclusion of a gear unit and a motor.
  • the grinder has a main handle and a Additional handle for two-handed operation of the device, which handles on two opposite sides of the central device housing, substantially laterally protrude from the central device housing.
  • the central device housing has an axial the sanding plate subsequent housing section on which the central device housing projected laterally at least partially and with a gripping surface for a One-handed operation is equipped.
  • Housing section adjacent to the sanding pad is a more sensitive One-handed operation possible.
  • the grip position is significantly closer to the grinding surface.
  • the deeper grip position reduces the tilting moment. This reduces the risk of a unsatisfactory grinding pattern due to tilting of the grinder.
  • the deeper Handle position leads to a one-hand guide on non-horizontal surfaces to a reduced effort and ensures fatigue-free working.
  • the axial projection of the gripping surface and the flat grinding surface formed by the sanding pad Cover each other substantially.
  • this is the projection a substantial portion of the gripping surface within the grinding surface so that the Housing section with the additional gripping surface when working in near-edge areas the grinding surface is not obstructed.
  • the central Appliance housing opposite to a running through the center of the grinding plate Center axis, along a connecting straight line of the main handle and the Additional handle, offset in the direction of the auxiliary handle is arranged. there extend at least 3/5 of the gripping surface of the central device housing in essential towards the main handle. Due to the axis-parallel displacement of central device housing from the center of the grinding surface of the sanding pad, the Gripper surface can be positioned even better over the center of gravity of the device, which in advantageously coincides with the center of the grinding plate. This is the result Uniformity of the force exerted on the grinding surface pressing force in the processing of Surface of a component for the user even better controllable.
  • Sections of the gripping surface advantageously extend over about 240 ° to about 300 ° of the Circumference of the central device housing, so that the user's hand the central Device housing can embrace even better and the leadership of the grinder is improved.
  • the gripping surface on the auxiliary handle borders By the outer contours of the gripping surface and the auxiliary handle preferably continuously merge into one another, are protruding edges in the Operation can lead to disabilities, avoided.
  • the auxiliary handle is lateral Extendable direction.
  • One or more detent positions allow a locking of the Additional handle in different far extended positions. This way you can the user selects the most favorable and convenient arrangement of the handle positions for him.
  • the additional handle protrudes beyond the pushed state not the grinding surface.
  • the with the gripping surface equipped housing portion to an arm of the bow-shaped Main handle adjoins.
  • the two parts are connected to each other, bolted, for example.
  • the illustrated in Fig. 1 and 2 embodiment of the invention hand-held grinder carries in each case the entire reference numeral 1.
  • Das Grinder 1 has a central device housing 4, from which a sanding pad 2 protrudes, the is motor driven.
  • the drive motor usually an electric motor, the gearbox and optionally further units, such as a fan for a Dust extraction, are housed in the central device housing 4.
  • On one side of the central device housing 4 protrudes laterally from a main handle 6, which the device electronics and houses the operation switch for the device.
  • the energy supply of the Grinder is made by an unspecified supply cable, the Main handle 6 is attached and can be connected, for example, to the mains.
  • a Additional handle 8 arranged for a two-handed operation.
  • a bead-like widening 5 of the housing provided, which offers the user, if necessary, another gripping position.
  • An axially immediately adjacent to the grinding plate 2 housing section 9 indicates its top a gripping surface 10.
  • the housing section 9 projects beyond the central Device housing 4 at least partially laterally and serves, for example, the Recording a fan wheel for a dust extraction.
  • the arrangement of the gripping surface 10th is chosen such that a one-hand operation is possible, the Tipping moment is kept as small as possible.
  • This is the substantially horizontal running Gripping surface 10 at a mean distance from one through the flat support surface arranged grinding pad 3 of the grinding plate 2, which is about 100 mm about 140 mm.
  • the central device housing 4 is with respect to a through the Center of the sanding pad 2 extending center axis A, along a connecting line from the main handle 6 to the additional handle 8, offset in the direction of the auxiliary handle 8 arranged.
  • At least 3/5 of the additional gripping surface 10 extend in essential of central device housing 4 in the direction of the main handle 6. Obviously engages a portion of the gripping surface 10, the central device housing in one Peripheral range, which is about 240 ° to about 320 °. For ergonomic reasons is the gripping surface 10 is slightly sloping in the direction of the main handle 6. The Projection of the additional gripping surface 10 and the grinding surface 3 overlap each other in the essential. In this case, a large part of the projection of the additional gripping surface 10 within the grinding surface 3, so that working close to the edge is possible.
  • the main handle 6 is bent like a bow and borders with one arm to the the additional gripping surface 10 having housing portion 9 at. Below this Arms of the main handle 6 extends a jam catcher 7.
  • a jam catcher 7 By the bow-shaped design of the main handle 6 is an intervention space for additional Gripping surface 10 created.
  • the borders additional gripping surface 10 to the auxiliary handle 8 at.
  • the go Outer contours of the additional gripping surface 10 substantially continuously into the contour of the auxiliary handle 8 via.
  • the additional handle 8 is advantageously designed extendable. For this purpose it is stored in unspecified guide rails, in the additional Gripping surface 10 having housing portion 9 are arranged. Rest positions in the Guide rails allow, if necessary, a different levels of extension of the Additional handle 8.
  • the additional handle 8 in a near-edge work not obstructed he does not dominate the sliding plate 2 in the inserted state.
  • the further gripping position on the bead-like widening 5 the additional gripping surface 10 on the device section 9 and the auxiliary handle 8 can with be coated a vibration-damping material or entirely from one be made of such material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (10)

  1. Ponceuse à guidage manuel comprenant un élément ponçant, qui effectue un mouvement de ponçage plan et est monté sur un plateau de ponçage à mouvement motorisé (2) monté sur un arbre dépassant d'un carter central d'outil (4), lequel s'étend axialement au-dessus du plateau de ponçage (2) et sert à recevoir un module de transmission et un moteur, et comprenant une poignée principale (6) et une poignée supplémentaire (8) pour manier l'outil (1) à deux mains, lesdites poignées (6, 8) dépassant sensiblement latéralement du carter central d'outil (4), caractérisée en ce que le carter central d'outil (4) comporte une portion de carter (9) qui est raccordée axialement au plateau de ponçage (3), qui, au moins par endroits, dépasse latéralement du carter central d'outil (4) et qui est munie d'une surface de préhension (10) pour un maniement à une seule main.
  2. Ponceuse à guidage manuel selon la revendication 1, caractérisée en ce que la projection axiale de la surface de préhension (10) et une surface de ponçage plane (3) formée par le plateau de ponçage (2) se superposent sensiblement mutuellement, la projection de la surface de préhension (10) se trouvant sensiblement à l'intérieur de la surface de ponçage (3).
  3. Ponceuse à guidage manuel selon la revendication 1 ou 2, caractérisée en ce que la surface de préhension (10) s'étend sensiblement parallèlement à la surface de ponçage (3) et est réalisée avec une pente douce en direction de la poignée principale (6), la distance moyenne de la surface de préhension (10) à la surface de ponçage (3) du plateau de ponçage (2) étant d'environ 100 mm à environ 140 mm.
  4. Ponceuse à guidage manuel selon une des revendications précédentes, caractérisée en ce que, par rapport à un axe médian (A) traversant le centre du plateau de ponçage (3), le carter central d'outil (4) est disposé le long d'une droite de jonction de la poignée principale (6) et de la poignée supplémentaire (8) en étant déporté en direction de la poignée supplémentaire (8), et au moins 3/5 de la surface de préhension (10) s'étendent à partir du carter central d'outil (4) sensiblement en direction de la poignée principale (6).
  5. Ponceuse à guidage manuel selon une des revendications précédentes, caractérisée en ce que des portions de la surface de préhension (10) s'étendent sur environ 240° à environ 320° de la circonférence du carter central d'outil (4).
  6. Ponceuse à guidage manuel selon la revendication 5, caractérisée en ce que la surface de préhension (10) est adjacente à la poignée supplémentaire (8), les contours extérieurs se raccordant l'un à l'autre de préférence de manière continue.
  7. Ponceuse à guidage manuel selon la revendication 6, caractérisée en ce que la poignée supplémentaire (8) peut être sortie dans la direction latérale et comporte de préférence une ou plusieurs positions de crantage.
  8. Ponceuse à guidage manuel selon la revendication 7, caractérisée en ce qu'à l'état rentré la poignée supplémentaire (8) ne dépasse pas de la surface de ponçage (3).
  9. Ponceuse à guidage manuel selon une des revendications précédentes, caractérisée en ce que la portion de carter (9) munie de la surface de préhension (10) est adjacente à un bras de la poignée principale conformée en étrier (6) et est de préférence reliée à celui-ci.
  10. Ponceuse à guidage manuel selon une des revendications précédentes, caractérisée en ce que la portion de carter (9) comportant la surface de préhension (10) comporte un revêtement amortisseur de vibrations, respectivement est constituée en totalité de matériau amortisseur de vibrations.
EP00811160A 1999-12-16 2000-12-07 Ponçeuse à guidage manuel Expired - Lifetime EP1116551B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29922108U DE29922108U1 (de) 1999-12-16 1999-12-16 Handgeführtes Schleifgerät
DE29922108U 1999-12-16

Publications (4)

Publication Number Publication Date
EP1116551A2 EP1116551A2 (fr) 2001-07-18
EP1116551A3 EP1116551A3 (fr) 2003-09-24
EP1116551B1 true EP1116551B1 (fr) 2005-03-23
EP1116551B8 EP1116551B8 (fr) 2006-04-05

Family

ID=8083051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00811160A Expired - Lifetime EP1116551B8 (fr) 1999-12-16 2000-12-07 Ponçeuse à guidage manuel

Country Status (4)

Country Link
US (1) US6699111B2 (fr)
EP (1) EP1116551B8 (fr)
JP (1) JP2001191243A (fr)
DE (2) DE29922108U1 (fr)

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RU2004119844A (ru) * 2001-11-30 2005-03-27 Интернэшнл Баркоуд Корпорейшн (Us) Система и способ проверки достоверности цифрового изображения и соответствующих данных
US7047585B2 (en) 2002-04-02 2006-05-23 Wmh Tool Group, Inc. Power tool
USD475908S1 (en) * 2002-06-07 2003-06-17 Wmh Tool Group, Inc. Power tool
US6971951B2 (en) * 2002-09-19 2005-12-06 Wmh Tool Group, Inc. Power tool with portable power source
DE10344164A1 (de) * 2003-09-22 2005-04-28 Rexroth Indramat Gmbh Winkelartige Handarbeitsmaschine
DE20318570U1 (de) * 2003-12-01 2004-04-29 Hess, Markus, Dr. Griff für ein handgeführtes Arbeitsgerät
US20050221737A1 (en) * 2004-04-06 2005-10-06 Cooper Vincent P Orbital sander with vertical handle
US20050221738A1 (en) * 2004-04-06 2005-10-06 Cooper Vincent P Orbital sander with vertical handle
ATE458589T1 (de) * 2004-07-02 2010-03-15 Black & Decker Inc Kraftwerkzeug
EP1612001A1 (fr) * 2004-07-02 2006-01-04 BLACK & DECKER INC. Assemblage de poignée pour outil électrique
DE102004057613A1 (de) * 2004-11-29 2006-06-08 Hilti Ag Griffanordnung einer Handkreissäge
DE102004063174A1 (de) * 2004-12-29 2006-07-13 Robert Bosch Gmbh Handwerkzeugmaschine mit einem Stabhandgriff
US20070074407A1 (en) * 2005-09-30 2007-04-05 Serdynski David P Tool and method of using same
US9049520B2 (en) 2006-01-20 2015-06-02 Akrion Systems Llc Composite transducer apparatus and system for processing a substrate and method of constructing the same
US7784478B2 (en) 2006-01-20 2010-08-31 Akrion Systems Llc Acoustic energy system, method and apparatus for processing flat articles
US9987666B2 (en) 2006-01-20 2018-06-05 Naura Akrion Inc. Composite transducer apparatus and system for processing a substrate and method of constructing the same
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DE102008042601A1 (de) * 2008-10-03 2010-04-08 Hilti Aktiengesellschaft Akkubetriebene Winkelschleifmaschine
DE102010039152A1 (de) * 2010-08-10 2012-02-16 Robert Bosch Gmbh Gerät zur Oberflächenbehandlung, insbesondere Schleifgerät, Poliergerät od. dgl.
EP2527088B1 (fr) * 2011-05-25 2013-12-25 Oy Kwh Mirka Ab Outil à main avec poignée rotative
JP5788782B2 (ja) * 2011-12-21 2015-10-07 株式会社マキタ サンダ
DE102011089719A1 (de) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Elektrisch betreibbare Werkzeugmaschine
US9387578B2 (en) 2013-10-28 2016-07-12 Black & Decker Inc. Handle arrangement for sander
USD846962S1 (en) * 2016-12-13 2019-04-30 Festool Gmbh Sanding and polishing machine
CN113523953B (zh) * 2021-08-02 2022-05-17 东莞欧德雅装饰材料有限公司 一种封边条手持紧固打磨机器人
USD955196S1 (en) * 2021-09-28 2022-06-21 Haixin Zhu Polisher
USD1044447S1 (en) * 2023-07-07 2024-10-01 Haixin Zhu Polisher

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Also Published As

Publication number Publication date
JP2001191243A (ja) 2001-07-17
US6699111B2 (en) 2004-03-02
EP1116551A3 (fr) 2003-09-24
EP1116551A2 (fr) 2001-07-18
EP1116551B8 (fr) 2006-04-05
DE50009856D1 (de) 2005-04-28
DE29922108U1 (de) 2000-02-17
US20010004580A1 (en) 2001-06-21

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