EP0854773B1 - Outil inserable et porte-outil pour machines electriques a percer et/ou percutantes - Google Patents

Outil inserable et porte-outil pour machines electriques a percer et/ou percutantes Download PDF

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Publication number
EP0854773B1
EP0854773B1 EP96945347A EP96945347A EP0854773B1 EP 0854773 B1 EP0854773 B1 EP 0854773B1 EP 96945347 A EP96945347 A EP 96945347A EP 96945347 A EP96945347 A EP 96945347A EP 0854773 B1 EP0854773 B1 EP 0854773B1
Authority
EP
European Patent Office
Prior art keywords
tool
section
insertable
longitudinal
longitudinal webs
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
EP96945347A
Other languages
German (de)
English (en)
Other versions
EP0854773A2 (fr
Inventor
Siegfried Fehrle
Rolf Müller
Vinzenz HÄRLE
Sven Kageler
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 DE19539414A external-priority patent/DE19539414A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0854773A2 publication Critical patent/EP0854773A2/fr
Application granted granted Critical
Publication of EP0854773B1 publication Critical patent/EP0854773B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/084—Rotating chucks or sockets
    • B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0003—Details of shafts of percussive tool bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0034—Details of shank profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B25D2217/0042—Ball-shaped locking members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17042—Lost motion
    • Y10T279/17068—Rotary socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17666—Radially reciprocating jaws
    • Y10T279/17692—Moving-cam actuator
    • Y10T279/17743—Reciprocating cam sleeve
    • Y10T279/17752—Ball or roller jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/907—Tool or Tool with support including detailed shank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y10T408/953—Clamping jaws

Definitions

  • the invention is based on an insert tool and a Tool holder according to the preamble of claim 1.
  • From CH-PS 429 630 is also a for large drilling rigs Impact drill head attached to the end of a drill pipe as Tool known, the tool shaft as a spline is formed, but a for axial locking tendon-like recess weakening the core of the shaft to accommodate one used on the drill head holder Locking body is provided.
  • This solution also leads to weaken the core cross section and Impact on shock waves during operation.
  • the aim of the present solution is for medium-duty machines the tools and the Tool holder with higher impact resistance and less Train wear and prevent incorrect locking to back up.
  • This construction allows for existing devices a specified firing pin diameter of Insert shaft of the insert tool with high strength and appropriate wear behavior.
  • a circular core cross section of the insert tool in the The area of its insert shaft ensures the best possible Centering. This centering is a prerequisite for one axial movement as possible - e.g. when chiseling - as well to align the joint.
  • the axial movement and Shock alignment is again a prerequisite for one optimal work progress and therefore for the lowest Impact losses and bends. Avoiding Bending stress reduces the risk of breakage and on the other hand the sound generation.
  • the two functions of the axial locking and the rotary power transmission between tool holder and Tool shank can be arranged in series by only implement a locking element, i.e. that only one longitudinal bar with a front face is required becomes.
  • This locking element can also multiple times on the Be used to the insert tool in several sizes predetermined positions in a tool holder with only to be able to use a lockable locking body.
  • the two functions are axially one behind the other arranged.
  • the two functions of axial locking and the rotary power transmission can also on The circumference of the shaft can be arranged side by side. In this case are next to a locking recess in one Longitudinal web, or next to a shortened longitudinal web on both sides Adjacent longitudinal bars without locking recess. In order to can do both functions on a short axial section be accommodated.
  • the combination of serial and parallel arrangement of the Longitudinal webs and the locking elements enable one space-saving, optimal use of the insert shaft Arrangement of functions.
  • the shorter bars allow in same axial section of the tool shank Axial locking, while longer bridges directly adjacent with a correspondingly larger flank surface for the rotary Power transmission are available.
  • continuous Support longitudinal webs to the sealing and guide area the guidance of the tool, the course of the impact and in disproportionately the area inertia or Moment of resistance and thus the security against breakage of the Tool shank.
  • FIG. 1 shows an insert tool continuous core cross-section as the first embodiment
  • FIG. 2 shows a drilling tool as a second embodiment
  • FIG. 3 a chisel tool as a third embodiment
  • Figure 4 to 10 the shaft ends of insert tools as further Embodiments
  • Figure 11 shows a tool shank suitable for a tool holder according to Figure 12.
  • FIG. 1 shows in a first exemplary embodiment an impact drill as an insert tool 2 with a tool shank 11 as an insert shank in drilling machines or in particular rotary hammers.
  • a tool shank 11 As an insert shank in drilling machines or in particular rotary hammers.
  • longitudinal webs 6, which take over an axial guidance, the rotational power transmission and anti-rotation in the event of bumping or canting, as well as an axial locking.
  • the rotation or anti-rotation is carried out via a tool holder (FIG. 12) of the machine and the blows are carried out by a firing pin 24 which is moved back and forth in a driven spindle sleeve of the machine and is shown separately in FIG.
  • the tool shank 11 has an un weakened core cross section 1, which preferably extends to the end of the shank, and preferably has a diameter of 10 mm.
  • This core cross-section together with approximately the same cross-section of the firing pin 24 in the device, a sealing and guiding area 4 and the drill core 5, forms an approximately constant system cross-section.
  • Four longitudinal webs 6 are evenly distributed on the core cross section 1.
  • the web outer contour 7 preferably has a diameter of 14 mm, which is designed as a circular element.
  • the web flanks 12 are inclined to one another, so that the longitudinal webs 6 become wider towards the foot, which enables easy demolding in the case of non-cutting production.
  • the shape of the flanks 12 and the web end faces 8 is curved, for example concave, so that a smooth transition from the core cross section 1 to the expansion by the longitudinal webs 6 is achieved.
  • the transition of the web flanks 12 and the web end faces to the outer contour can be rounded or sharp-edged.
  • the shape of a web flank via the intermediate space 15 to the next web flank is circular or concave, the web flanks 12 of the adjacent longitudinal webs 6 being connected to one another via a concave region 14 reaching as far as the core cross section 1.
  • the insert tool 2 has a sealing and guiding area 4 towards the working area. For an optimal impact course, this area 4 has the same diameter as the core cross section 1.
  • the longitudinal webs 6 extend in the axial direction of the tool shank.
  • Figure 2 shows another embodiment of a Impact drill
  • the diameter of the sealing and Guide section 4 larger than that of cross section 1 is as large as the outer diameter of the Longitudinal bars 6.
  • two further longitudinal webs 6 are offset by 90 ° arranged. These have no longitudinal cutouts Axial locking but they run into the guide section 4 of the tool shank 11. With this solution they are adjacent longitudinal webs 6 unequal width and the adjacent spaces 15, which are called longitudinal grooves between the longitudinal webs 6 are formed, have a different offset.
  • Figure 3 shows a chisel as an insert tool in which the Longitudinal webs 6 and the shaft end 3 in the same way as on Tool shank are formed according to Figure 1.
  • the sealing and guiding area 4 of the Tool shank 11 larger than the core cross section 1 and between this area 4 and the longitudinal webs 6 is over the the entire circumference of the tool shank Core cross section 1 reduced section 13 for the procedure provided a locking body.
  • Figure 4 shows a further embodiment Tool shank 11 of an insert tool with a Formation of the longitudinal webs 6 according to Figure 2 with the Difference that here only the upper longitudinal web 6 a Longitudinal recess 13 for the engagement of a Has locking body.
  • This shaft can only in a position in a tool holder with a Locking body according to Figure 13 are used.
  • Figure 5 shows a further embodiment of a Tool shank similar to Figure 1 with the difference that here two of the four longitudinal webs 6 longer are trained and only on the sealing and Run out the guide area 4 in the core cross section 1. This The shaft can therefore only be moved into a 180 ° position Tool holder can be used.
  • Figure 6 shows a further embodiment Tool shank similar to that in Figure 2, but with the Difference that here the longitudinal recesses 13 for the Axial locking in the middle of the two each other opposite wider longitudinal webs 6 are attached.
  • FIG. 7 shows a tool shank based on FIG. 3, in which the rear ends of the longitudinal webs 6 each are wedge-shaped to prevent insertion into the to facilitate appropriate tool holder. Besides, is here the sealing and guiding area 4 in diameter larger than that of the core cross section 1, but not as large like the outer diameter of the longitudinal webs 6.
  • Figure 8 shows a tool shank 11, in which on Core cross section 1 two identical, opposite one another Longitudinal webs 6, each with a longitudinal recess 13 for axial Lock are provided. Are also offset two pairs 6a of longitudinal webs 6 lying opposite each other arranged on the core cross section 1, the pairs 6a by each a trapezoidal longitudinal groove 16 are separated from each other.
  • the sealing and guiding area 4 also has here - -As in Figure 7- a diameter that between the Core cross-section diameter and the outer diameter of the Longitudinal webs 6.
  • a shape-based production is also with the Tool shafts of Figures 7 and 8 possible because of the webs are designed so that they from a press tool can be demolded because their flanks are drafted have and because their ends have no undercuts.
  • the longitudinal webs are designed there in such a way that the Tool shank according to its division in the forming Machining rotated relative to the press tool can be, i.e. that a tool shape is on the circumference of the tool shank according to the frequency of division found several times, namely in Figure 7 and in Figure 8 and 9 once on each half of the shaft. overflows or demoulding edges are not in the tool shank Functional areas for axial guidance and rotary power transmission and locking but in the rooms 15 in between.
  • the 6 shows the cross sections of the longitudinal webs 6 no longer symmetrical but they have one asymmetrical profile.
  • the rotary driving flank 12a of the Longitudinal webs 6 here run approximately radially, whereas the rear flank 12b not loaded by the rotary drive runs like a tendon.
  • the gaps 15 between the longitudinal webs 6 wedge-shaped, the radially extending flank 12a the driving torque can optimally accommodate and about right-angled extending rear flank 12b of the neighboring one Longitudinal web has a significantly larger area to if necessary bouncing when tilting a To be able to catch chisel tools better.
  • the transition between the two flanks can be sharp or rounded his.
  • the asymmetrical flank shape supports the function the momentum transfer in which they are in the tool holder located longitudinal strips, which in the spaces 15th the longitudinal webs 6 of the tool shank 11 engage one enables wedge-shaped cross-section. It also becomes a Tilting when loading the tool through the Torque transmission in addition to the shock prevented.
  • a asymmetrical flank shape also enables a rational Manufacturing the tool shank in which the wedge-shaped Gaps 15 the use of milling cutters with usual Allow square indexable inserts.
  • the asymmetrical longitudinal webs 6 are clockwise Machine designed and optimized. The reverse Direction of rotation may only be when removing the Tool from a borehole necessary.
  • FIG. 11 there is a Tool shank 11 for receiving in a tool holder 20 shown in Figure 12.
  • the tool shank of the Insert tool 3 corresponds to the training of Longitudinal webs 6 of the embodiment of Figure 7, but with the The difference is that the sealing and guiding area 4 has a diameter that is equal to the outer diameter of the Longitudinal webs 6 is.
  • the longitudinal and cross section shown in Figure 12 through a tool holder 20 for receiving a tool shank 11 has a tubular tool holder with a receiving sleeve 21, the bore diameter in front area the diameter of the sealing and Guide area 4 of the tool shank 11 corresponds. in the middle area of the tool holder has this according to the profile of the tool shank 11 in the area the longitudinal webs 6 a corresponding one recognizable in FIG. 12b In profile.
  • the clear dimension between these longitudinal strips 25 gives the Inner diameter 22, which is about the core diameter of the Tool shaft 11 corresponds.
  • the longitudinal strips 25 are for Fulfillment of the function of the moment transfer necessary and are also used for axial guidance.
  • the length of the longitudinal strips 25 is large to provide adequate space for the To offer moment transfer.
  • the longitudinal strips 25 extend forward up to and including in the range of Locking.
  • Locking body e.g. a ball 23 in an opening of the Receiving sleeve used when inserting the Dodge the tool shaft radially outwards and can then be locked by spring force. To the The locking body must be removed however, be released manually.
  • the tool holder 20 is on a drive spindle 33 Machine detachably attached.
  • one Mounting sleeve 30 can 32 balls when pulling the Tool holder 20 to the outside behind a locking ring 31 escape and thus release the tool holder.
  • the locking ring 21 then passes through Spring force over the locking balls 32 and so secures the seat of the tool holder on the drive spindle.
  • the Actuating sleeve 26 and the mounting sleeve 30 can be turn freely so that they operate during operation at a Stop touching the edge despite the rotating tool holder. This means greater safety for the operator because the machine does not absorb any kickback torque.
  • the firing pin 24 in the tool holder 20 With one inserted into the tool holder according to FIG Tool shank according to FIG. 11 results insertion system according to the invention, the firing pin 24 in the tool holder 20, the shaft end 3, the core cross section 1 and the drill core 5 or the Chisel diameter of the insertion tool 2 almost have constant system cross-section.
  • the invention is not illustrated on the Embodiments limited because constructive Deviations from that reproduced in claim 15 Inventive ideas of a plug-in system for Do not touch insert tools.
  • the web flanks on the tool shank also radial or be designed asymmetrically to each other.
  • the longest ridges can e.g. a wedge or a quarter circle represent.
  • the longitudinal webs can also be inclined extend to the axis. Can also in the axial direction several bridges in a row or offset from one another be arranged.
  • the longitudinal recesses on the longitudinal webs for axial locking do not have to reach the core cross section be led.
  • the sealing and guiding area can also a larger diameter than the outer contour of the Have longitudinal webs.
  • a coding of application tools can by different lengths of the rear shaft end 3 be made.
  • the paragraphs of the waterproofing and Guide area and the longitudinal webs to the core cross section can be tapered or concave.
  • the longitudinal webs can in turn with longitudinal grooves or the spaces between Longitudinal webs can be provided with further webs. Is the Firing pin diameter of the machine smaller than that of the Core cross-section at the tool shank, so is at the shank end to apply a conical phase such that the frontal cross section of the tool shank equal to that of the Firing pin is.
  • the longitudinal bars are sufficiently wide 6 it may be appropriate that the longitudinal recesses 13 for Axial locking not over the entire width of the longitudinal webs but only extend over part of the width. This can achieved that at least the torque transmitting Flank of the longitudinal webs also in the area of the longitudinal recess preserved.

Claims (15)

  1. Outil insérable (2) pour machine électrique, notamment machine électrique à main fonctionnant comme perceuse et/ou comme perforateur, cet outil comportant une tige (11) insérable dans un porte-outil respectif (20) de la machine avec des moyens (6, 8) pour l'entraínement en rotation et pour le verrouillage axial,
    la tige (11) de l'outil ayant une section de noyau (1), ronde, non affaiblie arrivant jusqu'à sa face frontale et dont la périphérie est munie de plusieurs nervures longitudinales (6), réparties symétriquement, servant à la transmission de la force d'entraínement en rotation ou au blocage en rotation, dont au moins l'une des nervures longitudinales (6) comporte un décrochement (8a) pour le verrouillage axial,
    caractérisé en ce que
    les nervures longitudinales voisines (6) ont une largeur non égale et/ou les intervalles (16) voisins entre les nervures longitudinales (6) ont un décalage (α), différent.
  2. Outil insérable selon la revendication 1,
    caractérisé en ce que
    la face frontale arrière (8b) des nervures longitudinales (6) est inclinée notamment concave par rapport à l'extrémité de la tige, et
    au moins une nervure longitudinale (6) présente une face frontale avant (8a), inclinée notamment concave pour le verrouillage axial, à une distance (13) par rapport à un segment d'étanchéité et de guidage (4), rond, en amont de la tige de l'outil (11), distance permettant la prise d'un organe de verrouillage (23) retenu dans le porte-outil (20) de la machine.
  3. Outil insérable selon la revendication 1 ou 2,
    caractérisé en ce que
    la section du noyau (1) est au moins égale à la section de l'âme (5) d'un outil de perçage ou d'un ciseau, et la section du segment de guidage (4) est au moins égale à la section de noyau (1).
  4. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les nervures longitudinales (6) rejoignent la section de noyau (1) devant un segment (3) cylindrique formant l'extrémité de la tige.
  5. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé par
    plusieurs nervures longitudinales (6) égales, réparties régulièrement à la périphérie, et ayant une face frontale (8a) avant inclinée notamment concave, de façon que la tige (11) de l'outil ne puisse être insérée dans le porte-outil (20) de la machine que dans deux positions tournées, opposées l'une à l'autre.
  6. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le diamètre du segment de guidage (4) est supérieur à la section du noyau (1) et
    au moins quelques nervures longitudinales (6) ne comportent pas de décrochement de verrouillage axial (8a) rejoignant le segment de guidage (4).
  7. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    pour former la face frontale avant (8a) notamment concave, au moins l'une des nervures longitudinales (6) présente une découpe longitudinale (13) arrivant de préférence jusqu'à la section du noyau (1) de façon qu'un organe de verrouillage (23) du porte-outil (20) de la machine puisse y pénétrer pour permettre à la tige d'outil (11) de coulisser axialement de manière limitée dans le porte-outil (20).
  8. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les flancs (12) des nervures longitudinales (6) voisines sont reliés par une zone (14) concave arrivant jusqu'à la section de noyau (1).
  9. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les deux flancs parallèles à l'axe des nervures longitudinales (6) sont inclinés l'un par rapport à l'autre pour que les nervures longitudinales (6) s'élargissent en direction de leur base.
  10. Outil insérable selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la section de noyau (1) de la tige d'outil (11) comporte deux nervures longitudinales (6) égales, opposées, ayant chacune une découpe longitudinale (13) pour le verrouillage axial, et de manière décalée, chaque fois deux paires opposées (6a) de nervures longitudinales (6), les paires (6a) étant séparées l'une de l'autre chacune de préférence par une rainure longitudinale (16) de préférence de section trapézoïdale.
  11. Outil insérable selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce que
    les flancs d'entraínement en rotation (12a) des nervures longitudinales (6) sont sensiblement radiaux et les flancs (12b) non chargés par l'entraínement en rotation ont sensiblement une forme de corne de cercle.
  12. Porte-outil (20) de machine électrique notamment de machine électroportative fonctionnant en perceuse et/ou en perforateur et ayant un manchon de réception (21) et un percuteur (24) pour une tige d'outil (11) d'un outil insérable (2) selon la revendication 1,
    caractérisé en ce que
    le segment avant (21a) du manchon de réception (21) est lisse pour assurer l'étanchéité du guidage, le segment (21b) situé derrière comporte plusieurs nervures longitudinales (25) en saillie radialement vers l'intérieur pour l'entraínement en rotation de l'outil, et
    au moins un organe de verrouillage (23), déverrouillable radialement vers l'extérieur est prévu sur toute la largeur entre deux nervures longitudinales voisines (25).
  13. Porte-outil selon la revendication 12,
    caractérisé en ce que
    le segment (21b) qui comporte les nervures longitudinales (25) forme un segment intermédiaire du manchon de réception (21), et le segment arrière (21c) du manchon de réception (21) est lisse pour recevoir et guider le percuteur (24) et présente un diamètre correspondant sensiblement à la section du noyau (1) de l'outil insérable (2).
  14. Porte-outil selon la revendication 12,
    caractérisé en ce que
    le diamètre du segment avant (21b) du manchon de réception (21) est au moins aussi grand que le diamètre extérieur des nervures longitudinales (6) de l'outil insérable (2), et
    le segment arrière (21c) du manchon de réception (21) reçoit et guide l'extrémité (5) de la tige de l'outil insérable (2).
  15. Système d'emmanchement pour outil insérable selon la revendication 1 dans un porte-outil (20) d'une machine électrique, notamment d'une machine électroportative fonctionnant comme perceuse et/ou comme percuteur selon la revendication 12,
    caractérisé en ce que
    le percuteur (24), l'extrémité de tige (3), la section de noyau (1) et de préférence l'âme (3) du foret ou du diamètre du ciseau, ainsi que la zone d'étanchéité et de guidage (4) de l'outil insérable (2) ont une section systématique pratiquement constante.
EP96945347A 1995-10-12 1996-10-01 Outil inserable et porte-outil pour machines electriques a percer et/ou percutantes Expired - Lifetime EP0854773B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19539414 1995-10-12
DE19539414A DE19539414A1 (de) 1995-10-12 1995-10-12 Einsatzwerkzeug für Maschinen mit Bohr- und/oder Schlagantrieb
DE19604284A DE19604284A1 (de) 1995-10-12 1996-02-07 Einsatzwerkzeug für Maschinen mit Bohr- und/oder Schlagbetrieb
DE19604284 1996-02-07
PCT/DE1996/001889 WO1997013602A2 (fr) 1995-10-12 1996-10-01 Outil inserable et porte-outil pour machines electriques a percer et/ou percutantes

Publications (2)

Publication Number Publication Date
EP0854773A2 EP0854773A2 (fr) 1998-07-29
EP0854773B1 true EP0854773B1 (fr) 2003-04-09

Family

ID=26019708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945347A Expired - Lifetime EP0854773B1 (fr) 1995-10-12 1996-10-01 Outil inserable et porte-outil pour machines electriques a percer et/ou percutantes

Country Status (10)

Country Link
US (1) US5984596A (fr)
EP (1) EP0854773B1 (fr)
JP (1) JP2000501031A (fr)
CN (1) CN1060713C (fr)
AT (1) ATE236764T1 (fr)
BR (1) BR9610916A (fr)
DE (1) DE59610334D1 (fr)
RU (1) RU2189305C2 (fr)
TW (1) TW350801B (fr)
WO (1) WO1997013602A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018220545A1 (de) * 2018-11-29 2020-06-04 Robert Bosch Gmbh Handwerkzeugmaschinensystem und Werkzeugvorsatz

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6725548B1 (en) * 1996-03-01 2004-04-27 Milwaukee Electric Tool Corporation Keyless blade clamp mechanism
US6135462A (en) * 1999-05-24 2000-10-24 Gary Sebastian Snap-in chuck
US6193242B1 (en) 1999-05-24 2001-02-27 Thomas R. Vigil Snap-in chuck assembly and snap-in tool
US6209208B1 (en) 1998-10-09 2001-04-03 Milwaukee Electric Tool Corporarion Keyless blade clamp mechanism
TW431921B (en) * 1998-10-15 2001-05-01 Toshiba Machine Co Ltd End mill tool
WO2000071287A1 (fr) * 1999-05-24 2000-11-30 Robison Troy D Ensemble queue de fixation a enclenchement, outil a enclenchement et systeme d'entrainement d'outil
DE19952225A1 (de) * 1999-10-29 2001-05-03 Hilti Ag Bohr- und/oder Meisselwerkzeug
US6688610B2 (en) 2000-05-12 2004-02-10 Power Tool Holders Incorporated Chuck with quick change
US7766585B2 (en) * 2001-02-09 2010-08-03 Team Fair Holdings Limited Irregular-shank tools and drivers therefor
US6533291B2 (en) 2001-02-14 2003-03-18 Power Tool Holders Incorporated Chuck having quick change mechanism
EP1273396B1 (fr) * 2001-07-06 2009-12-30 Robert Bosch Gmbh Ciseau resp. forêt
AU2002326946A1 (en) * 2001-09-17 2003-04-01 Milwaukee Electric Tool Corporation Rotary hammer
US6834864B2 (en) 2001-10-24 2004-12-28 Power Tool Holders Incorporated Chuck having quick change mechanism
DE20203129U1 (de) * 2002-02-27 2002-05-08 Quanz Reiner Rotierendes Werkzeug mit einem Einspannschaft
DE10227897A1 (de) * 2002-06-21 2004-01-08 Hilti Ag Einsteckende und Werkzeugaufnahme für ein drehendes und schlagendes Werkzeug
SE523521C2 (sv) * 2002-09-27 2004-04-27 Atlas Copco Rock Drills Ab Slagadapter för överföring av slag och rotation från en slående bergborrmaskin till en borrsträng
GB2393931A (en) * 2002-10-10 2004-04-14 Black & Decker Inc Tool for a rotary hammer
US20040163264A1 (en) * 2003-02-21 2004-08-26 Simonz John C. Hand saw
DE10338640A1 (de) * 2003-08-22 2005-03-17 Hilti Ag Einsteckende für ein drehendes und schlagendes Werkzeug
DE502004010872D1 (de) * 2003-11-26 2010-04-22 Hilti Ag Werkzeugaufnahme für ein drehendes und schlagendes Werkzeug
DE10360008B4 (de) * 2003-12-19 2006-04-06 Wacker Construction Equipment Ag Vorrichtung für einen Bohr- oder Schlaghammer mit Werkzeugaufnahme
DE102004054685A1 (de) * 2004-11-12 2006-05-18 Hilti Ag Werkzeugaufnahme
DE102005000168A1 (de) * 2005-11-25 2007-05-31 Hilti Ag Werkzeugaufnahme
DE102005062777A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Schlagbolzen für ein Schlagwerk
DE102006016805A1 (de) * 2006-04-10 2007-10-11 Robert Bosch Gmbh Auswechselbares Rotationswerkzeug für eine Handwerkzeugmaschine
DE102007006329A1 (de) 2006-12-08 2008-06-19 Robert Bosch Gmbh Aufsatz für eine Handwerkzeugmaschine
EP2191094A4 (fr) * 2007-08-21 2015-12-23 Airdrill Hammers And Bits Pty Ltd Marteau perforateur de fond de trou
US8813372B2 (en) 2007-09-14 2014-08-26 Milwaukee Electric Tool Corporation Blade clamp mechanism
DE102007048821A1 (de) * 2007-10-10 2009-04-16 Robert Bosch Gmbh Werkzeugsystem
US8230607B2 (en) 2008-05-09 2012-07-31 Milwaukee Electric Tool Corporation Keyless blade clamp for a power tool
USD623036S1 (en) 2008-11-07 2010-09-07 Milwaukee Electric Tool Corporation Insert bit
WO2010054169A1 (fr) 2008-11-07 2010-05-14 Milwaukee Electric Tool Corporation Outil rapporté
US8800999B2 (en) 2009-02-27 2014-08-12 Black & Decker Inc. Bit retention device
US8622401B2 (en) * 2009-02-27 2014-01-07 Black & Decker Inc. Bit retention device
US8381830B2 (en) 2009-05-05 2013-02-26 Black & Decker Inc. Power tool with integrated bit retention device
CN201446519U (zh) * 2009-06-05 2010-05-05 南京德朔实业有限公司 电动工具
USD711719S1 (en) 2009-11-06 2014-08-26 Milwaukee Electric Tool Corporation Tool bit
US8292150B2 (en) 2010-11-02 2012-10-23 Tyco Healthcare Group Lp Adapter for powered surgical devices
EP2612981B1 (fr) 2012-01-09 2014-07-16 Sandvik Intellectual Property AB Trépan pour un marteau à percussion, manche et patte de rétention correspondante
DE102012202300A1 (de) * 2012-02-15 2013-08-22 Hilti Aktiengesellschaft Meißel
US11007631B2 (en) * 2014-01-15 2021-05-18 Milwaukee Electric Tool Corporation Bit retention assembly for rotary hammer
US10022845B2 (en) 2014-01-16 2018-07-17 Milwaukee Electric Tool Corporation Tool bit
JP5976236B2 (ja) * 2014-04-15 2016-08-23 株式会社ミヤナガ ドリルビット
DE102014218585A1 (de) * 2014-09-16 2016-03-17 Robert Bosch Gmbh Bohrwerkzeug
US10641051B1 (en) * 2016-09-07 2020-05-05 Dandelion Energy, Inc. Systems and methods for coupling and decoupling drill heads for ground loop preparation for geothermal applications
CN108068066B (zh) * 2016-11-16 2023-09-12 苏州宝时得电动工具有限公司 转换夹头、与其配合使用的工具主体及配合使用方法
US10507568B2 (en) * 2016-12-15 2019-12-17 Caterpillar Inc. Hammer work tool having multi-position retention collar
IT201700035863A1 (it) * 2017-03-31 2018-10-01 Marzocchi Snc Di Marzocchi Gilberto & C Dispositivo di lavorazione con sistema di anti-slittamento fra pinza del mandrino e utensile
CN107052426A (zh) * 2017-05-31 2017-08-18 江苏芯力特电子科技有限公司 一种内冷式pcb铣刀
WO2019109098A1 (fr) 2017-12-01 2019-06-06 Milwaukee Electric Tool Corporation Outil rapporté résistant à l'usure
USD921468S1 (en) 2018-08-10 2021-06-08 Milwaukee Electric Tool Corporation Driver bit
DE102020213165A1 (de) * 2020-10-19 2022-04-21 Robert Bosch Gesellschaft mit beschränkter Haftung Handwerkzeugmaschine mit einer Verriegelungseinrichtung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT260149B (de) * 1963-02-04 1968-02-12 Boehler & Co Ag Geb Vorrichtung zur Halterung von einen Schaft aufweisenden Bohrkronen oder -stangen von Bohrhämmern
DE2454261A1 (de) * 1974-11-15 1976-05-20 Hawera Probst Kg Hartmetall Gesteinsbohrer
DD125197A5 (fr) * 1975-07-30 1977-04-06
DE7536182U (de) * 1975-11-14 1978-02-02 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur drehmomentuebertragung
DE2618596C2 (de) * 1976-04-28 1984-05-17 Robert Bosch Gmbh, 7000 Stuttgart Werkzeughalter
US4106573A (en) * 1976-09-13 1978-08-15 Joy Manufacturing Company Drill
DE2750219C2 (de) * 1977-11-10 1985-11-21 Friedrich Duss Maschinenfabrik GmbH & Co, 7265 Neubulach Werkzeughalterung für einen Schlag- oder Drehschlaghammer
DE3539912A1 (de) * 1985-11-11 1987-05-14 Hilti Ag Werkzeughalter fuer bohr- und meisselwerkzeuge
DE3606331A1 (de) * 1986-02-27 1987-09-03 Bosch Gmbh Robert Staubabdichtung
DE3716915A1 (de) * 1987-05-20 1988-12-08 Bosch Gmbh Robert Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung
DE3824894A1 (de) * 1988-07-22 1990-01-25 Bosch Gmbh Robert Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung
DE4104131A1 (de) * 1990-05-08 1991-11-14 Bosch Gmbh Robert Handbohrmaschine
BR9107043A (pt) * 1990-10-16 1993-09-14 Bosch Gmbh Robert Dispositivo em maquinas-ferramenta portateis
DE4313578A1 (de) * 1993-03-06 1994-09-08 Hilti Ag Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte
DE4317273A1 (de) * 1993-05-25 1994-12-01 Bosch Gmbh Robert Werkzeugaufnahme für Handbohr- und Schlaggeräte mit SDS-Zusatznut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018220545A1 (de) * 2018-11-29 2020-06-04 Robert Bosch Gmbh Handwerkzeugmaschinensystem und Werkzeugvorsatz

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BR9610916A (pt) 1999-09-28
DE59610334D1 (de) 2003-05-15
US5984596A (en) 1999-11-16
WO1997013602A3 (fr) 1997-05-09
EP0854773A2 (fr) 1998-07-29
CN1060713C (zh) 2001-01-17
WO1997013602A2 (fr) 1997-04-17
TW350801B (en) 1999-01-21
CN1199358A (zh) 1998-11-18
JP2000501031A (ja) 2000-02-02
RU2189305C2 (ru) 2002-09-20
ATE236764T1 (de) 2003-04-15

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