EP1193036A2 - Machine-outil à main à dispositif de blocage de l'arbre d'outil - Google Patents

Machine-outil à main à dispositif de blocage de l'arbre d'outil Download PDF

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Publication number
EP1193036A2
EP1193036A2 EP01121598A EP01121598A EP1193036A2 EP 1193036 A2 EP1193036 A2 EP 1193036A2 EP 01121598 A EP01121598 A EP 01121598A EP 01121598 A EP01121598 A EP 01121598A EP 1193036 A2 EP1193036 A2 EP 1193036A2
Authority
EP
European Patent Office
Prior art keywords
blocking
locking
tool according
machine
protective housing
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
EP01121598A
Other languages
German (de)
English (en)
Other versions
EP1193036B1 (fr
EP1193036A3 (fr
Inventor
Andreas Dipl.-Ing. Randecker
Manfred Dipl.-Ing. Kirchner
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.)
Festool GmbH
Original Assignee
Festool 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 Festool GmbH filed Critical Festool GmbH
Publication of EP1193036A2 publication Critical patent/EP1193036A2/fr
Publication of EP1193036A3 publication Critical patent/EP1193036A3/fr
Application granted granted Critical
Publication of EP1193036B1 publication Critical patent/EP1193036B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B27B5/38—Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing

Definitions

  • the invention relates to a hand machine tool, in particular Circular saw, with a drive motor, one by means of a operated from the outside, between a switch-off position and a switch position movable switching device switchable on / off switch for the drive motor, one by the drive motor driven tool shaft and a Blocking device for blocking the tool shaft at Tool change, the blocking device between a Blocking position in which they are locked with a blocking member Machine part in driving connection with the tool shaft engages, and one releasing the machine part Release position is adjustable.
  • Tool of a hand machine tool When replacing, for example, a saw blade, one Grinding wheel, a cutter or a planing roller formed Tool of a hand machine tool usually has to solved a fastener in the form of a clamping screw become. To prevent the tool shaft from rotating, these are blocked.
  • the blocking device is blocked by a blocking bolt formed with a toothed end face, in its blocking position in a gear wheel of the hand machine tool intervenes.
  • the locking bolt must be used during the tool change constantly pressed in so that the user only has one hand available for tool change Has. There is also a risk that the on / off switch accidentally operated when changing tools, so that the user can get hurt.
  • the object of the present invention based on a hand tool of the type mentioned Art that is simple and easy to use enables easy tool change. It also aims to provide security against accidental activation of the on / off switch be given when changing tools.
  • a externally operable, between an ineffective position and a tool changing position adjustable safety device is present, both the blocking device as well as a locking device assigned to the switching device, those between one that releases the switching device Release position and the switching device in your Hold switch off position and against actuation in the sense blocking position of a switching on of the drive motor is adjustable, controls, such that in the ineffective Position of the safety device, the blocking device and the locking device their release position and in the tool change position of the safety device Blocking device their blocking position and the locking device Take your locked position.
  • the hand tool according to the invention can be a plunge-cut saw be in the usual way the one forming the bottom of the machine Machine plate, a protruding from the machine plate, protective housing unit open at the bottom and next to the side the protective housing unit, the drive motor and the tool shaft containing, relative to the protective housing unit a work unit that can be swiveled parallel to the tool shaft has, the tool shaft to the protective housing unit is directed and the protective housing unit receives a saw blade connected to the tool shaft and the protective housing unit at its the working unit facing outside has a mounting recess, by which holds the saw blade on the tool shaft Fasteners can be actuated.
  • a practical design of the for diving saws Invention helps here. This is achieved that one between the protective housing unit and the work unit acting locking device with one on the work unit arranged locking element is present, which between a ineffective position and one to the protective housing unit is protruding locking position and is located it is in the locked position when pivoting the work unit comes into latching engagement with the protective housing unit, when the work unit reaches an assembly position in which the fastener in the area of the mounting recess is located, and that the securing device arranged on the working unit controls the locking element such that the Locking element in the inactive position of the safety device its ineffective position and in the tool change position the safety device assumes its rest position.
  • the safety device still fulfills one third function, namely in the tool change position transferred security device the work unit automatically locked to the protective housing unit if one the drive unit from its swiveled-out non-use position pivots down and the mounting position is achieved. The work unit then does not have to can be held more by hand.
  • the handheld power tool shown is a circular saw in the form of a plunge saw 1, the one Machine plate 2 forming machine underside, with the plunge-cut saw 1 when used on the sawed Workpiece or a guide rail placed on the workpiece is placed and pushed over the workpiece by hand.
  • the plunge saw can also be reversed with the machine plate 1 up at the bottom of a table top be mounted so that a slid over the table top Board or the like is sawn.
  • a working unit 3 is located above the machine plate 2 a machine housing 4, which is a drive device with a drive motor 5, usually an electric motor, and a tool shaft protruding from the machine housing 4 6 contains. It is also located in the machine housing 4 an on / off switch for the drive motor 5, which by means of a Switching device 8 can be operated between an off position shown in Figures 1 and 3 is movable into a switch-on position.
  • the Switching device 8 in the embodiment of one in a linear Direction 9 in the machine housing 4 guided switch actuator 10 formed (the guide can by means of a Guide slot 12 in the switch actuator 10) and protrudes with an actuating section 11 from the machine housing 4, so that the switching device 8 from the outside is operable.
  • the on / off switch 7 controls the power supply to the drive motor 5.
  • the switching device 8 is normally located in its off position, which is the power supply to the drive motor 5 interrupting switching state of the On / off switch 7 corresponds. If you move the switching device 8 by pushing your hand against its operating area 11 to the on / off switch 7 towards the on position, the on / off switch 7 in its the power supply of the Drive motor 5 producing switching state transferred. The Moving the switching device 8 from the off position in the switch-on position takes place against a spring force. The associated spring device is not shown. she can for example between the on / off switch 7 and the Switching device 8 are located or at another point in the Attack switching device 8.
  • the working unit 3 forms one in the exemplary embodiment extending inclined in the feed direction of the plunge saw Handle 13, on the underside of which the actuating section 11 the switching device 8 protrudes from the machine housing 4, so that it can be operated with the index finger.
  • On the drive unit 3 is also a second, protruding laterally Handle 14 arranged in the present context no longer interested.
  • Tool shaft 6 At the driving connection with the drive motor 5 Tool shaft 6 is the machine tool in the usual way, in the embodiment a circular disc Saw blade 15, releasably attached. A suitable one is used for this Fasteners, in particular a clamping screw 16.
  • the saw blade 15 lies not free but one of the protective housing 17 Protective housing unit 18 added in the direction of Tool shaft 6 arranged laterally next to the working unit 3 is and stands up from the machine plate 2.
  • the protective housing 17 covers the circumference of the saw blade 15. It is the protective housing 17 open at the bottom so that the saw blade 15 for Workpiece machining can emerge.
  • the saw blade 15 and the Protective housing unit 18 are in the range of that in FIGS and 2 longitudinal side of the machine plate facing the viewer 2 arranged so that the saw blade 15 either laterally next to the machine plate 2 or by one in it contained slot or the like protrude towards the workpiece can.
  • the protective housing 17 faces away from the working unit 3 Mounting recess 20 arranged on the outside 19, through which the clamping screw 16 can be actuated.
  • a suitable actuating tool is used to loosen the clamping screw 16 through the mounting recess 20 with the clamping screw 16 engaged so that the clamping screw 16 removed and the saw blade 15 removed downwards can be.
  • the saw blade 15 is fastened in accordingly, i.e. after attaching the saw blade 15 to the protective housing unit 18 and thereby in the Protective housing 17 directed tool shaft 6 is the clamping screw 16 tightened through the mounting recess 20.
  • the protective housing 17 also has one Connection piece 21 of no further interest here to connect a dust extraction hose.
  • the work unit With plunge-cut saws, the work unit is 3 and with it this Saw blade 15 relative to the protective housing unit 18 by one Tool shaft 6 parallel pivot axis 22 pivotable.
  • the Pivot axis 22 is located in relation to the feed direction rear machine area below. That way the working unit 3 in an upward swung out position ( Figure 1) can be transferred, in which the saw blade 15th does not protrude downward beyond the machine plate 2, so that the plunge saw 1 is placed on the workpiece to be sawn can be.
  • the saw blade 15 projects downwards over the machine plate 2 so that sawing can take place.
  • the depth of cut i.e. the projection of the saw blade 15 before the machine plate 2 can be adjusted.
  • a depth stop 24 arranged in the embodiment on a circular arc with the pivot axis 22 as the center Verstellnut 25 out and in the desired position in can be set in a suitable manner (rotary handle 26).
  • the Depth stop 24 is fixed on the work unit 3 arranged fixed stop, not shown, assigned, with which the working unit 3 in the use position on the Depth stop 24 sits on.
  • the depth stop 24 and the Verstellnut 25 are in the embodiment at one Protective housing inside 23 attached attachment 32 is arranged.
  • the working unit 3 is against in its non-use position secured an unintentional swiveling down and can only by actuating an actuator 27 with the Be transferred to the use position by hand.
  • the actuator 27 is in the front area in the exemplary embodiment of the handle 13 arranged above, so that it with the Thumb can be pushed forward.
  • the actuator 27 is via a suitable mechanism 28 with a stop member 29 connected to the protective housing unit 18 facing side of the working unit 3 is arranged. at unactuated actuator 27, the stop member 29 to the protective housing unit 18 in front of which a fixed one Stop surface 30 is assigned to which the stop member 29 in the non-use position of the work unit 3 abuts from above ( Figure 6).
  • the actuator 27 or the associated mechanism 4 is by means of a in FIG schematically indicated spring assembly 31 loaded, so that the actuator 27 to its initial position and Stop member 29 on its protruding toward the stop surface 30 Location.
  • the stop surface 30 is arranged on the attachment 32 in the exemplary embodiment. At the Swiveling the working unit 3 comes out of the use position the stop member 29 by the force of the spring assembly 31 by reaching the non-use position by itself Stop surface 30.
  • the actuator 27 has yet another function. It stops in its initial position shown in FIG. 1 or the associated mechanism 28, the switch actuator 10 in its off position, so that the switch actuator 10 not moved against the on / off switch 7 and thus the drive motor 5 cannot be switched on.
  • the actuator 27 on his in the machine housing 4 arranged lot a stop projection 33 on, in the starting position of the actuator 27th a counter surface arranged on the switch actuator 10 34 is adjacent, so that the switch actuator 10 strikes with its counter surface 34 on the stop projection 33, if you have the actuator 11 to the switch actuator 10 presses.
  • the stop projection 33 moves away from the counter surface 34 and releases the switch actuator 10, so that the drive motor 5 can be turned on.
  • the tool shaft 6 is when changing the saw blade 15 recorded. Otherwise, loosening and tightening the Turn the clamping screw 16 with the tool shaft 6.
  • This is a blocking device 35 is present, which between the Tool shaft 6 blocking position ( Figure 3), in which is in a driving connection with a blocking member 36 machine part 37 standing with the tool shaft 6 engages the work unit 3, and one the machine part 37 releasing release position ( Figure 4) is adjustable.
  • Said machine part 37 is in the embodiment from a fan wheel used to cool the drive motor 5 38 formed. The fan wheel 38 rotates during operation of the Plunge-cut saw and is connected to the Motor shaft 39 and thus also with the tool shaft 6.
  • the Blocking device 35 associated machine part could also from another part of the drive train or from one trained for the engagement of a blocking member the tool shaft 6 are formed.
  • the machine part 37 has at least one, in the exemplary embodiment several blocking recesses 40 for the circumference the engagement of the blocking member 36.
  • the blocking device 35 and the blocking device 41 are jointly controlled by a safety device 42 which can be operated from the outside and between an ineffective Position and a tool change position can be adjusted can.
  • the arrangement is such that in the ineffective Position of the securing device 42 ( Figure 4) Blocking device 35 and the locking device 41 their release position and in the tool change position of the safety device 42 ( Figure 3) the blocking device 35 their Blocking position and the locking device 41 their locking position take in.
  • the safety device operates 32 furthermore one between the protective housing unit 18 and the working unit 3 acting locking device 43, which is a locking element arranged on the working unit 3 44 contains that between an ineffective position (figures 4 and 5) and one protruding toward the protective housing unit 18 Locking position is adjustable and, it is located in the Locking position, when pivoting the working unit 3 into locking engagement arrives with the protective housing unit 18 when the Work unit 3 reaches an assembly position in which that formed in the embodiment by the clamping screw 16 Fastening means for the saw blade 15 in the area of Mounting recess 20 is located.
  • the locking element 44 controlled by the securing device 42 so that the latching element 44 in the inactive position of the safety device 42 ( Figure 4) its ineffective position and in the tool change position the securing device 42 (FIG. 3) takes its rest position.
  • the locking device 43 is also located on the work unit 3 on one adjacent to the protective housing unit 18 Job.
  • the locking device 43 has the clarity because omitted.
  • the work unit 3 takes its mounting position a, in which the clamping screw 16 in side view inside the mounting recess 20 is located.
  • the work unit 3 is in this mounting position by means of the locking device 43 established.
  • the securing device 42 is for executing its adjustment movement rotatable about an axis of rotation 45 on the respective Machine, in the exemplary embodiment on work unit 3, stored.
  • the axis of rotation 45 expediently runs parallel to the tool shaft 6.
  • the securing device 42 can protrude Operating handle 46; 46a (FIGS. 7 and 8), that can be gripped by hand. By twisting the Security device 42 will this from their ineffective Position changed to the tool change position and vice versa.
  • the rotatable mounting of the securing device 42 is the Not shown for clarity.
  • the safety device has to control the blocking device 35 42 in the embodiment, one to the axis of rotation 45 eccentric eccentric section 47 on which the blocking device 35 is mounted so that the rotary movement the safety device 42 in the adjustment movement of the blocking device is implemented. It is in the embodiment provided that at least the blocking member 36 load-bearing part 48 of the blocking device 35 in linear Direction to machine part 37 formed by fan wheel 38 towards or away from this arranged on the 'work unit 3 is (the associated guide device is not shown). In the case shown, it is a with Regarding the impeller 38 radial movement.
  • the blocking device 35 divided into one on the eccentric part 47 of the securing device 42 stored first arm section 49 and in one the blocking member 36 supporting second arm portion 51, the already mentioned blocking device section 48 forms.
  • the first arm section 49 has one on the eccentric section 47 Securing device 42 seated bearing ring 50 and is otherwise connected to the second arm section 51 in such a way that this relative to the first arm part 49 in the direction of the machine part 37 can be moved towards or away from it. It is the second arm section 51 and thus the blocking member 36 in Spring-loaded towards machine part 37.
  • a spring device 54 which with its one End 55 in a manner not shown on the machine housing and is supported with its other end 56 on the second arm section 51.
  • the spring device 54 from a torsion spring in the form of a coiled wire spring formed, the end 56 on the end portion 52 of the second Arm section 51 bears, so that this against the machine part 37 facing edge of the window recess 53 held becomes.
  • the securing device 42 If the securing device 42 is moved into the tool change position, it may be that this is part of the machine 37 blocking member 36 not moving into one Blocking recess 40 but next to the circumference of the machine part 37 hits. In this case there is the second arm area 51 due to that exerted by the spring device 54 Force resilient. Then turn the saw blade 15 something or you press the clamping screw 16, it turns Machine part 37 past the blocking member 36 until one of the Blocking recesses 40 reaches the blocking member 36 and this through the spring device 34 into the blocking recess 40 is pressed.
  • the locking device 41 has an adjustment movement of the Safety device 42, i.e. in the embodiment of which Rotational movement and thus non-rotatable with the safety device connected locking member 57 on the a latch portion 58 of the switch actuator 10 formed switching device 8 is assigned and in the locked position of the locking device 41, the switching device 8 locked.
  • the locking member 57 is in the embodiment of a parallel to the axis of rotation 45, concentric extending to the axis of rotation 45 over a circumferential angle Locking projection 59 formed, which in the embodiment radially outside on an annular disk body 60 is arranged, which is non-rotatably on the securing device 42 sitting.
  • a free space 61 Radially located within the locking projection 59 there is a free space 61 in which the locking section 58 can rotate when rotating the securing device 42.
  • a passage recess on the locking device 41 62 In Circumferential direction is located next to the locking projection 59 a passage recess on the locking device 41 62 in the inoperative position of the safety device 42, in which the locking device 41 assumes its release position, at the location of the locking part 58 of the switching device 8 is arranged ( Figure 4).
  • the locking portion 58 is a locking approach 63 of the switching device 8 is formed on the securing device 42 facing end of the switch actuator 10 is arranged. This overlaps this end area of the switch actuator 10 the locking projection 59, so that to the side of the locking projection 59 locking lug protruding from the switch actuator 10 63 the locking projection 59 radially inside can reach behind.
  • the locking lug 63 is the locking projection 59 adjacent in the circumferential direction.
  • the locking lug 63 forms in the switched-on position the switch actuator 10 a the locking projection 59 stop preventing rotation so that the securing device connected in a rotationally fixed manner to the locking projection 59 42 not with the drive motor 5 running unintentionally transferred to the tool change position can.
  • the working unit 3 in the assembly position with the Protective housing unit 18 latching locking device 43 is the already mentioned locking element 44 on a locking element carrier 64 arranged, which is on its movement to Protective housing unit 18 controlling or away from this Control surface 65 of the securing device 42 supports.
  • the locking element carrier 64 is spring-loaded, so that the locking element carrier 64 on the one hand with its locking element 44 Protective housing unit 18 and on the other hand to the control cam 65 is held out.
  • the control surface 65 is expediently on that of the protective housing unit 18 facing end face 66 of the securing device 42 arranged. It can be helical Show course.
  • the locking element carrier 64 is about a transverse to the axis of rotation 45 directed articulation axis 67 pivotable on the working unit 3rd arranged so that it forms a two-armed lever, the a lever arm 68 bears against the control surface 65 and its another lever arm 69 carries the locking element 44.
  • the resilient The locking element carrier 64 is acted upon by means of one engaging the lever arm 69 in the exemplary embodiment Spring 70, which is on the other hand on the machine housing or a part firmly attached to it.
  • the locking element 44 is in the embodiment Protective housing unit 18 protruding locking projection 71.
  • This locking projection 71 is a locking recess 72 on the Working unit 3 facing inside 23 of the protective housing unit 18 assigned.
  • the recess is located here 72 in the exemplary embodiment on the attachment 32.
  • the protective housing unit 18, in the case shown Attachment 32 has a circular arc with the pivot axis 22 as a center guide surface 73 which the Includes recess 72.
  • the safety device 42 is in its ineffective Position ( Figure 5), the lever arm 68 of the locking element carrier 64 on the in the direction of the axis of rotation 45 Protective housing unit 18 protruding area of the control surface 65 so that the catch element carrier 64 or its Locking projection 71 occupies its ineffective position in the he is pivoted away from the guide surface 73.
  • the securing device 42 can essentially be one Trunnion 74 with an eccentric portion forming the eccentric portion 47 Pin portion 75 are formed, which in the embodiment between two outer concentric to the axis of rotation 45 Pin portions 76, 77 is arranged.
  • the opposite other outer pin portion 77 carries the non-rotatably connected disk body 60.
  • the one outer Pin portion 76 is in a front of the machine housing 4th protruding area of larger diameter on which the control curve 65 and in the case of Figures 1 to 6, the operating handle 46 is arranged, and in a subsequent, on the machine housing 4 pivoted bearing area 79 smaller Diameter divided.
  • the disk body 60 of the locking device 41 has an outwardly projecting bearing extension 80 on, which is also rotatably mounted on the machine housing 4 is.
  • a sealing ring 81 be arranged between an outer pin portion 76 and the bearing ring 50 of the blocking device 35 (the sealing ring 81 was in Figure 3 for clarity because not shown).
  • the operating handle 46a is located at a different location the securing device 42.
  • the operating handle 46a is in this case on those otherwise trained as described and arranged in a rotationally fixed manner on the securing device Washer body 60a of the locking device attached. It is he placed on the front of the machine housing that at this point for the passage of the operating handle 46a is slotted. In the inoperative position of the safety device can the operating handle 46a in the front part of the machine housing 4, but he is arranged so that it can be easily moved to the tool change position can be swung out.
  • the operating handle 46a has a T-like shape with two opposite at the end of the handle Handle legs 82, 83 protruding towards the sides on, which bent the shape of the machine housing 4 accordingly can be so that they the machine housing 4 laterally spread something.
  • the two handle legs 82, 83 can one hold between two fingers, making the operating handle 46a can be pulled away from the housing 4.
  • the invention was described above using a plunge-cut saw.
  • the locking device 43 is not required, so that it is omitted can be.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
EP01121598A 2000-09-30 2001-09-11 Machine-outil à main à dispositif de blocage de l'arbre d'outil Expired - Lifetime EP1193036B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10048675 2000-09-30
DE10048675A DE10048675A1 (de) 2000-09-30 2000-09-30 Handwerkzeugmaschine

Publications (3)

Publication Number Publication Date
EP1193036A2 true EP1193036A2 (fr) 2002-04-03
EP1193036A3 EP1193036A3 (fr) 2003-12-17
EP1193036B1 EP1193036B1 (fr) 2005-05-11

Family

ID=7658346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01121598A Expired - Lifetime EP1193036B1 (fr) 2000-09-30 2001-09-11 Machine-outil à main à dispositif de blocage de l'arbre d'outil

Country Status (2)

Country Link
EP (1) EP1193036B1 (fr)
DE (2) DE10048675A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007030314A (ja) * 2005-07-26 2007-02-08 Makita Corp 携帯丸鋸
EP1967310A1 (fr) * 2007-03-07 2008-09-10 Mafell AG Scie circulaire à main
EP2062699A2 (fr) 2007-11-21 2009-05-27 Metabowerke Gmbh Scie circulaire motorisée dotée d'un capot protecteur rotatif
CN108568782A (zh) * 2017-03-11 2018-09-25 安德烈·斯蒂尔股份两合公司 手引导式工作器械
US10792834B2 (en) 2017-06-05 2020-10-06 Milwaukee Electric Tool Corporation Table saw
CN114786855A (zh) * 2019-12-13 2022-07-22 费斯托工具有限责任公司 具有预先划刻机组和工具更换的可移动的手持式锯切机器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012218850A1 (de) * 2012-10-16 2014-04-17 Metabowerke Gmbh Spindelarretierung sowie Handwerkzeugmaschine mit Spindelarretierung
DE102013020723B4 (de) 2013-12-07 2024-05-08 Festool Gmbh Hand-Werkzeugmaschine mit einer Sicherungseinrichtung
DE102013020725B4 (de) 2013-12-07 2024-05-02 Festool Gmbh Hand-Werkzeugmaschine mit einem Montagewerkzeug
DE102019134411A1 (de) 2019-12-13 2021-06-17 Festool Gmbh Mobile Hand-Sägemaschine mit einem schwenkbaren Vorritzaggregat
WO2022109381A1 (fr) * 2020-11-23 2022-05-27 Milwaukee Electric Tool Corporation Ensemble scie à guide

Citations (5)

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Publication number Priority date Publication date Assignee Title
US3224474A (en) * 1964-12-17 1965-12-21 Black & Decker Mfg Co Automatically-applied friction braking means for a portable electric tool
DE2942169A1 (de) * 1979-10-18 1981-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zum arretieren des getriebes von handkreissaegen
US5094000A (en) * 1990-03-02 1992-03-10 Black & Decker Inc. Hand-held power tool with a rotary driven tool
DE4130174A1 (de) * 1991-09-11 1993-03-25 Metabowerke Kg Elektrowerkzeug, insbesondere tauchkreissaege
DE4336620A1 (de) * 1993-10-27 1995-05-04 Fein C & E Elektrowerkzeug

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Publication number Priority date Publication date Assignee Title
DE3603461A1 (de) * 1986-02-05 1987-08-06 Festo Kg Arretiervorrichtung fuer eine werkzeugmaschine, insbesondere eine elektrische handwerkzeugmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224474A (en) * 1964-12-17 1965-12-21 Black & Decker Mfg Co Automatically-applied friction braking means for a portable electric tool
DE2942169A1 (de) * 1979-10-18 1981-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zum arretieren des getriebes von handkreissaegen
US5094000A (en) * 1990-03-02 1992-03-10 Black & Decker Inc. Hand-held power tool with a rotary driven tool
DE4130174A1 (de) * 1991-09-11 1993-03-25 Metabowerke Kg Elektrowerkzeug, insbesondere tauchkreissaege
DE4336620A1 (de) * 1993-10-27 1995-05-04 Fein C & E Elektrowerkzeug

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007030314A (ja) * 2005-07-26 2007-02-08 Makita Corp 携帯丸鋸
EP1967310A1 (fr) * 2007-03-07 2008-09-10 Mafell AG Scie circulaire à main
EP2062699A2 (fr) 2007-11-21 2009-05-27 Metabowerke Gmbh Scie circulaire motorisée dotée d'un capot protecteur rotatif
EP2062699A3 (fr) * 2007-11-21 2010-03-31 Metabowerke Gmbh Scie circulaire motorisée dotée d'un capot protecteur rotatif
CN108568782A (zh) * 2017-03-11 2018-09-25 安德烈·斯蒂尔股份两合公司 手引导式工作器械
US11772221B2 (en) 2017-03-11 2023-10-03 Andreas Stihl Ag & Co. Kg Handheld work apparatus
US10792834B2 (en) 2017-06-05 2020-10-06 Milwaukee Electric Tool Corporation Table saw
US11407142B2 (en) 2017-06-05 2022-08-09 Milwaukee Electric Tool Corporation Table saw
CN114786855A (zh) * 2019-12-13 2022-07-22 费斯托工具有限责任公司 具有预先划刻机组和工具更换的可移动的手持式锯切机器

Also Published As

Publication number Publication date
DE10048675A1 (de) 2002-04-18
EP1193036B1 (fr) 2005-05-11
EP1193036A3 (fr) 2003-12-17
DE50106183D1 (de) 2005-06-16

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