EP1059140A2 - Outil à main - Google Patents

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Publication number
EP1059140A2
EP1059140A2 EP00110771A EP00110771A EP1059140A2 EP 1059140 A2 EP1059140 A2 EP 1059140A2 EP 00110771 A EP00110771 A EP 00110771A EP 00110771 A EP00110771 A EP 00110771A EP 1059140 A2 EP1059140 A2 EP 1059140A2
Authority
EP
European Patent Office
Prior art keywords
housing
hand tool
tool according
hand
milling disk
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.)
Granted
Application number
EP00110771A
Other languages
German (de)
English (en)
Other versions
EP1059140B1 (fr
EP1059140A3 (fr
Inventor
Eberhard Berhalter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1059140A2 publication Critical patent/EP1059140A2/fr
Publication of EP1059140A3 publication Critical patent/EP1059140A3/fr
Application granted granted Critical
Publication of EP1059140B1 publication Critical patent/EP1059140B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/183—Hand tools, e.g. portable, motor driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/02—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only
    • B27B5/08—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for sawing with the saw blade abutting parallel against a surface of the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/30—Details; Component parts; Accessories for mounting or securing saw blades or saw spindles
    • B27B5/32—Devices for securing circular saw blades to the saw spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut

Definitions

  • the invention relates to a hand tool, in particular for Cutting a metal clip in a masonry, with a milling disc or Like. That over a drive flange with a drive motor of the hand tool is driven.
  • the window frames In the case of old building renovations in particular, the window frames must be removed from the masonry for renovation purposes, so that the metal clips locking the window frames must be severed.
  • hand tools of the aforementioned type are usually used, by means of which grooves are milled into the masonry in order to release the metal clips.
  • the penetration of the milling disk into the masonry causes a great deal of contamination because the mortar dust is thrown into the environment in an uncontrolled manner by the rotation of the milling disk.
  • a hand saw with a suction device is known from EP 0 579 964 A1, by means of which the accumulated dust is taken up and passed into a collection container becomes.
  • a disadvantage of this prior art has been found to be that moving tool lies open on the workpiece to be machined, so that due to the linear movement of the tool, the resulting dust from the intake duct is flung away; thus only a certain proportion of the dust can be vacuumed up.
  • the known hand saw is not suitable for work on loosening window frames can be used because it performs a linear movement; the hand tool for However, loosening window frames from masonry involves a rotational movement should perform, since only by means of a rotational movement a uniform linear Guidance of the hand tool along the window frame is guaranteed.
  • a hand tool is known, the one in one Has housing of the hand tool mounted milling disc.
  • the milling disc emerges from an end face of the housing.
  • the Hand tool is used to create grooves in which connectors with two adjacent circular sections are to be included.
  • the hand tool of the aforementioned Genus in such a way that it is possible to window frames from the Loosen masonry without the dirt that accumulates in the environment reached.
  • the hand tool should also be handy and easy to use, so that the work can be carried out reliably and quickly. Furthermore, an adaptation to different distances between the starting glass pane and the window or door frame should be possible by means of the hand-held tool according to the invention, so that the hand-held tool can be guided thereon regardless of the distance of the groove from the window and door frame.
  • the milling disc in one attached to the handheld device housing, in which the metal clips facing end face an outlet opening is provided for the milling disk, or that the milling disk in the area of the outlet opening, at least partially, from the Housing protrudes, and that on the housing, preferably the outlet opening opposite, an outlet channel is provided.
  • the outer wall of the housing opposite the drive flange is designed as a guide member in the region of the outlet opening of the milling disk.
  • a contact web is attached, which has a contact surface running perpendicular to the outlet opening.
  • a contact plate For variable adjustment of the distance between a lower plate of the Housing in relation to the contact surface of the window or door frame is on the Housing of the handheld device attached a contact plate, by means of which Distance between the contact plate and the milling disc is adjustable.
  • the contact plate is permanently on the side of the window or door frame, so that the hand tool during the axial movement to sever the Metal clips held in the masonry on the window or door frame is.
  • the height adjustment of the contact plate is accomplished by turning it on two threaded spindles mounted in the housing is held and that the two Threaded spindles with each other in a form-fitting manner by means of a connecting pin Active connection.
  • one of the two threaded spindles an adjustment screw protruding from the housing for height adjustment of the Support plate provided, which is mounted in the housing of the hand tool.
  • the outer wall of the housing is centrally countersunk in the milling disc incorporated.
  • one is centered in the drive flange Threaded hole arranged and the milling disc is by means of a Countersunk screw provided with external thread and engaging in the threaded bore attached to the drive flange.
  • the milling cutter attached to the hand tool has a two-part housing, wherein the first housing part is firmly connected to the hand tool and the second housing part is adjustable relative to the first housing part.
  • the subject of the invention advantageously enables that commercially available hand tools, such as a flex or milling machine, can be used to loosen metal clips plastered into masonry without the mortar being ejected into the environment by the rotation of the milling disk and thus causing unpleasant contamination.
  • the part of the milling disk that does not penetrate the masonry is in fact completely enclosed by the housing, so that the mortar or dust is caught by the housing and cannot get into the environment.
  • Due to the rotation of the milling disc an air flow occurs within the housing, which takes the mortar in a defined manner in the direction of the outlet channel.
  • the outlet channel ends in a collection chamber in which the mortar can be stored until it is emptied.
  • the mortar and its dust arrives in a controlled manner in the collecting chamber, so that the metal clips locking the window frame can be cut with the hand-held tool without any appreciable contamination of the surroundings.
  • the outer wall of the housing serves as a guide member and the For this purpose, the contact surface forms a right angle, so that the manual tool is precise can be placed between the masonry and the window frame and accordingly a vertical incision in the masonry is done so that along the window frame and as close as possible the metal clip is separated within the masonry, whereby the renovated or new window frame in the original Window recess can be used again without extensive Plastering work or adjustments are necessary.
  • the distance between the Glass pane and the window or door frame is of different widths, so that to optimally reinsert the window or door frame into the original window recess can only be achieved if the Cut, i.e. the cutting of the metal clips in the masonry at one exact predetermined place is carried out.
  • the lower plate should also of the housing can be guided axially along the window or door frame.
  • it is advantageous to provide a contact plate which can be supported on the one hand on the window or door frame and on the other hand, height-adjustable is attached to the housing. With one Contact plate and its concrete height adjustment on the housing of the Hand tool can be the distance between the lower plate of the case and the height of the window frame can be adjusted.
  • a hand-held implement 1 is shown, with which one on one Window frames 2 and a house wall 3 attached metal clips 5 are cut should.
  • the metal clip 5 namely locks the window frame 2 on the house wall 3 and is covered with a plaster layer 4.
  • the hand-held tool 1 has a grip section 6, the longitudinal axis 7 of which, when the hand-held tool 1 is in the working state, points perpendicularly to the house wall 3.
  • a milling disk 11 which is fastened to a drive flange 9, is provided on the hand-held tool 1, which are connected to one another by drive and set in rotation by means of a motor 8.
  • the longitudinal axis 10 of the drive flange 9 and the longitudinal axis 7 of the hand tool 1 are perpendicular to each other, so that the hand tool 1 can be placed on the window frame 2 by means of pressure.
  • the milling disk 11 is in a housing 12, as will be explained in more detail below is arranged, the milling disk 11 thus in the rest position completely encloses.
  • a face of the metal clip 5 facing the Housing 12 namely in the extension of the longitudinal axis 7 of the handle portion 6 an outlet opening 15 is machined into the housing 12, through which the milling disk 11 can be passed to penetrate the plaster 4 sufficiently deep and Cut through metal clips 5.
  • a collecting chamber not shown, is arranged; This can be a plastic bag, for example, in which the mortar and dust particles are collected in a controlled manner.
  • the milling disk 11 has a counterbore 17 in the center through which a countersunk screw 19 provided with an external thread extends.
  • a threaded bore 18 is also machined into the center of the drive flange 9, into which the countersunk screw 19 is screwed for fastening the milling disk 11.
  • the surfaces of the countersunk screw 19 and the milling disk 11 are thus flat to one another in the assembled state, so that only a small air gap is created between the wall of the housing 12 facing the countersunk screw 19 and the milling disk 11.
  • two shear pins 20 are attached to the milling disk 11, which are inserted into holes machined laterally next to the threaded bore 18 of the drive flange 9 in order to drively connect the milling disk 11 to the drive flange 9.
  • An abutment web 21 formed on the housing 12 in the region of the outlet opening 15 serves as an abutment surface 22, which can be placed on the surface of the plaster 4. Furthermore, the outer wall of the housing 12 opposite the drive flange 9 is flat, so that this surface can be used as a guide member 23 on the window frame 2 and thus ensures that the hand tool 1 can be moved exactly positioned along the entire window frame 2, since the contact surface 22nd and the guide member 23 are perpendicular to one another and accordingly abut the window frame 2 and the plaster 4 at the same time. The milling disk 11 thus penetrates vertically into the plaster 4, so that a clean, uniform incision is produced.
  • FIGS. 1 and 2 show the two different positions of the milling disk 11 with respect to the housing 12, namely on the one hand the rest position and on the other hand the working position of the milling disk 11.
  • the milling disk 11 In the rest position, the milling disk 11 is located in the housing 12, whereas the working position is characterized in that the milling disk 11 protrudes approximately three to five centimeters from the housing 12. In the working position, it is thus ensured that the milling disk 11 can cut through the metal clips 5 located in the plaster 4.
  • the housing 12 in the region of the outlet opening 15 is reduced so that the milling disk 11 in this area with the desired Penetration depth protrudes from the housing 12.
  • the housing 12 is formed in two parts, namely the housing 12 consists of a first housing part 13 fixedly attached to the hand-held tool 1 and a second housing part 14 which is adjustable relative to the first housing part 13 and thus also to the milling disk 11.
  • the first housing part 13 is fixedly attached to the hand-held tool 1 by means of a holding bracket 28.
  • a hole is provided centrally in the housing part 13, through which the drive flange 9 passes and is thus completely enclosed by the housing part 13.
  • two guide sections 26 are provided in the housing part 13, each receiving a guide pin 27 which is firmly locked on the second housing part 14. The guide pins 27 accordingly slide in the two guide sections 26 in the adjustment direction of the second housing part 14.
  • the springs 29 are arranged, which are subjected to tension when the milling disk 11 is pressed out and thus return the second housing part 14 to the rest position after the work process has ended.
  • the springs 29 are attached to the guide pins 27 between the first housing part 13 and the second housing part 14.
  • the springs 29 are arranged laterally next to the housing part 13 and the guide pins 27.
  • the mutually facing end faces of the two housing parts 13 and 14 form a stop, so that the freedom of movement of the second housing part 14 is limited.
  • the second housing part 14 consists of an upper plate 24 receiving the guide pins and a lower plate 25 which is designed as a guide member 23 in the region of the outlet opening 15.
  • the lower plate 25 is fastened to the upper plate 24 by means of two set screws 30. Spacers (not shown) can be used between the two plates 24 and 25 in the area of the adjusting screw 30, so that the distance between the two plates 24 and 25 can be set as desired to accommodate milling discs 11 of different thicknesses.
  • the upper plate 24 has one in the area of the drive flange 9 Parting plane on to be able to change the milling disk 11 quickly.
  • Both Components of the plate 24 can be detached from one another by means of the guide pins 27 attached, in that in the end faces of the guide pins 27th Threaded holes are machined, into each of which a countersunk screw can be screwed is. In this way, the housing 12 can be almost completely removed from the milling disk 11 can be removed.
  • a contact plate 31 is provided, which by means of two Holding leg 32 is locked on the housing 12 adjustable in height.
  • the contact plate 31 serves as a guide member 23 abutting the window frame 2 Height adjustment of the contact plate 31 can accordingly the distance between the Milling disc 11 and the window frame 2 can be set reliably without that the intended guidance of the linear movement of the hand tool 1 get lost.
  • the holding legs 32 are locked in a sleeve 38 by means of a screw 33.
  • Each of the two sleeves 38 has a threaded bore 39 through which a threaded spindle 34, which is rotatably mounted in the housing 12 in bearing bushes 37, projects.
  • the two threaded spindles 34 are positively connected on the opposite side of the outlet opening 15 of the milling disk 11 by means of a connecting pin 35.
  • an adjusting screw 36 protruding from this is mounted in the housing 12 and cooperates with one of the two threaded spindles 34 in a form-fitting manner.
  • the connecting pin 35 is also rotatably supported in the housing 12 by means of two bearing bushes 37.
  • the threaded spindles 34 rotate, since they engage with the connecting pin 35 via bevel gears, so that the sleeves 38 arranged thereon are moved synchronously.
  • the distance between the contact plate 31 and the milling disk 11 can thus be changed in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
EP00110771A 1999-05-29 2000-05-20 Outil à main Expired - Lifetime EP1059140B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29909449U DE29909449U1 (de) 1999-05-29 1999-05-29 Handarbeitsgerät
DE29909449U 1999-05-29

Publications (3)

Publication Number Publication Date
EP1059140A2 true EP1059140A2 (fr) 2000-12-13
EP1059140A3 EP1059140A3 (fr) 2002-09-11
EP1059140B1 EP1059140B1 (fr) 2004-03-10

Family

ID=8074146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110771A Expired - Lifetime EP1059140B1 (fr) 1999-05-29 2000-05-20 Outil à main

Country Status (4)

Country Link
EP (1) EP1059140B1 (fr)
AT (1) ATE261345T1 (fr)
DE (2) DE29909449U1 (fr)
ES (1) ES2216761T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1693170A1 (fr) * 2005-02-22 2006-08-23 Siegfried Popp Dispositif de protection et de guidage pour un appareil de coupe ou de meulage et appareil de coupe ou de meulage comprenant une telle protection et un tel disposif de guidage
DE102005021212B4 (de) * 2005-05-07 2018-05-09 Eberhard Berhalter Handarbeitsgerät

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008013556U1 (de) 2008-10-15 2009-02-26 Popp, Siegfried Höhenverstellung für eine Schutz- oder Führungseinrichtung für ein Trenn- oder Schleifgerät
DE102016103151A1 (de) * 2016-02-23 2017-08-24 Eberhard Berhalter Werkzeugmaschine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE498645C (de) * 1929-02-14 1930-05-24 Gustav Flebbe Vorrichtung zur Herstellung von Nuten, Rillen oder aehnlichen Vertiefungen in Steinen, Mauerwerk o. dgl.
DE878269C (de) * 1951-12-29 1953-06-01 Karl M Reich Fa Befestigung fuer Kreissaegeblaetter
US2688347A (en) * 1953-07-03 1954-09-07 Menno D Schmidt Adjustable guide for portable saws
FR1122360A (fr) * 1955-02-22 1956-09-05 Valbo Stella Montage de scie circulaire à protecteur amovible pour machines électriques portatives
US2823713A (en) * 1956-03-19 1958-02-18 William L Goldsmith Power kerfing saw
FR1231379A (fr) * 1959-02-18 1960-09-28 Machine portative à couper et à meuler, équipée d'un capot de protection et de patins de guidage
DE1121968B (de) * 1960-05-05 1962-01-11 Ackermann & Schmitt K G Schutz- und Absaugegehaeuse fuer Handschleif- oder dergleichen Maschinen
EP0062253A1 (fr) * 1981-04-07 1982-10-13 TOMESANI Società a Responsabilità Limitata Scie circulaire portative pour le travail du bois
DE3239986A1 (de) * 1982-10-28 1984-05-03 Robert Bosch Gmbh, 7000 Stuttgart Handwerkzeugmaschine mit einem kreisscheibenfoermigen werkzeug
DE3635159C2 (de) * 1986-10-16 1998-05-07 Bosch Gmbh Robert Handwerkzeugmaschine mit einer Auflageplatte und einem Parallelanschlag
DE3722818A1 (de) * 1987-07-10 1989-01-19 Robert Wolff Vorrichtung zum fraesen von nuten oder schattenfugen
IT218080Z2 (it) * 1988-10-25 1992-03-30 Bolzoni Emilio Carter di protezione per utensili a disco rotante
US5031364A (en) * 1989-03-29 1991-07-16 Monogram Industries, Inc. Fastener pintail shaving tool
DE9202769U1 (de) * 1992-03-03 1992-06-17 Batschari, Constantin, 6368 Bad Vilbel Wandschlitzfräse
DE19528494A1 (de) * 1995-08-03 1997-02-06 Leo Klapperich Vorrichtung zum Fräsen von Nuten, Schattenfugen o. dgl.
GB2309411A (en) * 1996-01-23 1997-07-30 Chi Pin Lee Mortise making attachment for a machine tool
US5829499A (en) * 1998-01-07 1998-11-03 Liao; Juei-Seng Wood planing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1693170A1 (fr) * 2005-02-22 2006-08-23 Siegfried Popp Dispositif de protection et de guidage pour un appareil de coupe ou de meulage et appareil de coupe ou de meulage comprenant une telle protection et un tel disposif de guidage
DE102005021212B4 (de) * 2005-05-07 2018-05-09 Eberhard Berhalter Handarbeitsgerät

Also Published As

Publication number Publication date
ATE261345T1 (de) 2004-03-15
DE50005574D1 (de) 2004-04-15
EP1059140B1 (fr) 2004-03-10
EP1059140A3 (fr) 2002-09-11
DE29909449U1 (de) 2000-10-05
ES2216761T3 (es) 2004-11-01

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