EP2412499B1 - Scie manuelle dotée d'un dispositif d'arrêt. - Google Patents

Scie manuelle dotée d'un dispositif d'arrêt. Download PDF

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Publication number
EP2412499B1
EP2412499B1 EP11005538.1A EP11005538A EP2412499B1 EP 2412499 B1 EP2412499 B1 EP 2412499B1 EP 11005538 A EP11005538 A EP 11005538A EP 2412499 B1 EP2412499 B1 EP 2412499B1
Authority
EP
European Patent Office
Prior art keywords
handle
sawing
guide plate
depth
guide
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.)
Not-in-force
Application number
EP11005538.1A
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German (de)
English (en)
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EP2412499A1 (fr
Inventor
Wolfgang Spengler
Torsten Reuss
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
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Festool GmbH
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Application filed by Festool GmbH filed Critical Festool GmbH
Publication of EP2412499A1 publication Critical patent/EP2412499A1/fr
Application granted granted Critical
Publication of EP2412499B1 publication Critical patent/EP2412499B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B27B9/00—Portable power-driven circular saws for manual operation
    • B27B9/02—Arrangements for adjusting the cutting depth or the amount of tilting

Definitions

  • the invention relates to a hand-sawing machine with a guide plate which can be placed with its underside on a substrate and a saw assembly comprising a drive motor and a tool holder for a saw blade that can be driven by the drive motor, according to the preamble of claim 1.
  • Such a hand-sawing machine is in DE 10 2006 034 136 A1 described.
  • Hand sawing machines are e.g. special embodiments of circular saws, such as diving circular saws. If the hand-sawing machine is not in use, the saw assembly is spring loaded upwards, that is acted upon in the direction of the top of the guide plate, which can also be referred to as a saw table, away, so that the saw blade is not usually in front of the Underside of the guide plate or the saw table protrudes. However, for use, the operator must load the saw assembly to advance the saw blade down in front of the underside of the guide plate so that the desired depth of sawing can be achieved.
  • a basic idea of the invention is that the counter-holding device supports the operator in his operating task, wherein different variants are possible here, which will be explained below.
  • the additional support of the operator by the counter holding a more comfortable handling possible because the operator on the "holding down" the saw assembly or the Geswenkthalten the Sgebauou in the direction of the guide plate does not have to focus, but his full attention to the exact guidance of the hand Sawing machine, for example, along a tear line, along a guide ruler or the like, can judge.
  • a first inventive embodiment of the counter-holding device provides that on the guide plate, a counter-holding body is arranged, which can be encompassed by the operator simultaneously with the hand gripping the handle. Consequently For example, this hand can apply the force that counteracts the spring assembly impinging on the saw assembly from the guide plate.
  • Another embodiment of the invention which is also possible in combination with the aforementioned variant, provides that on the guide handle an operating element is provided, with which the operator can bring a holding contour of the saw assembly in holding contact with the counter-holding body, which in turn fixed to the guide plate or at least releasably connected.
  • the contact with the counter-stop can already be produced by actuating the operating element, so that the sawing assembly remains in the desired depth position or pivoting position.
  • the actuator is thus directly operable by the hand holding the guide handle of the operator.
  • the holding contour or the counter-holding body can for example be brought into positive engagement.
  • a form-fitting contour for example a toothing, in which a counter-tooth or a counter-toothing with a plurality of teeth engages.
  • a hole structure into which a pin or a positive bolt can be introduced is readily possible.
  • other forms of positive contours that is contours in other geometry, can be readily realized.
  • the counter-holding body is designed in the manner of a brake disc, while the retaining contour provides the associated caliper or at least one brake disc.
  • any combination of the aforementioned holding options are possible, such as a combination of positive locking contour and frictional surface, clamping contour and frictional surface or, of course, a combination of all three variants.
  • the retaining contour is spring-loaded in a release position remote from the counter-holding body. As a result, the holding contour is automatically brought into disengaged position, as it were, when the operator releases the actuating element.
  • the actuating element comprises a pivoting lever, which is operable by the operator from the release position in the direction of the holding position, in which the holding contour is in holding contact with the counter-holding body.
  • a slide is possible, for example, an index pin, which can be brought by means of a sliding movement into engagement with a matching holding contour, for example a cylindrical receptacle on the counter-holding body.
  • a panning and sliding is possible, for example, a superimposed movement of pivoting and pushing, with which the actuating element is actuated from the release position in the direction of the holding position.
  • the hand-sawing machine in a conventional manner a depth stop device for adjusting a sawing depth of the saw blade by limiting a pivoting path of the saw assembly by means of a depth stop element.
  • the depth stop element is releasably secured in a plurality of Tiefeneinstellpositionen on a depth stop bracket, which in turn is disposed on the guide plate.
  • the depth stop bracket can form or have the counter-holding body.
  • the retaining contour can be brought into engagement with the depth stop bracket.
  • the depth stop bracket has a circular or arcuate course, wherein the arc extends around the pivot axis about which the saw assembly is pivotally mounted on the guide plate.
  • the counter-holding body comprises a handle which projects from the depth stop element.
  • the depth stop element is, so to speak, always available in the position corresponding to the corresponding sawing depth.
  • the depth stop element or the handle which protrudes from this is thus always where the corresponding depth position or pivot position of the guide handle is relative to the guide plate when the saw assembly is pivoted to the desired depth in the direction of the guide plate.
  • the handle is detachably arranged on the depth stop element, so that it can be mounted as required by the operator or even dismantled.
  • the handle can be removed from the depth stop element, but otherwise it is fixed there, for example, locked, screwed or jammed.
  • the depth stop element is expediently guided on a Wegenstein-tell entry, preferably on an arcuate Tiefeneinstell entry, so set in several Tiefeneinstellpositionen on this Wegeneinstell entry to be able to.
  • a cooperating with the retaining contour Jacobhaltkontur of the counter-holding body is suitably also arranged on this Tiefeneinstell entry or runs parallel to the Tiefeneinstell entry.
  • the depth adjustment guide already has form-fitting contours, frictional surfaces or the like, in order to enable the depth stop element to be fixed.
  • These contours or surfaces can be readily used in accordance with the invention also of the retaining contour, which is operable with the operating element of the counter-holding device. But it is also possible that different guide contours or counter-contours are provided for both aforementioned functions, namely depth adjustment and fixation according to the invention in the desired depth or pivot position.
  • the holding contour is expediently arranged directly on the actuating element, for example on a side opposite a gripping surface of the actuating element, for example a pivot end, a sliding end or the like. But it is also possible that the actuating element does not have the holding contour directly, but this is arranged on a holding body.
  • the actuating element acts on the holding body, for example by pressure actuation, via a transmission or by another coupling.
  • the actuating element and / or the retaining contour is movable relative to the guide handle, in particular mounted on this movable.
  • the guide handle has the retaining contour and is mounted movably as a whole on the polegebaueria to be able to be moved towards or away from the counter-holding body when the saw assembly is in a pivot position.
  • the guide handle can form the actuating element.
  • the actuator is associated with a sensor and / or a switch which can be actuated by the actuating element.
  • a switch position or even a sensor signal can thus be influenced by the actuating element, so that the drive motor can be switched on or off depending on a position of the actuating element.
  • an additional safety function can be achieved, for example, an "emergency stop function" to exclude incorrect operation.
  • a further condition is checked, for example a switching position of the drive switch, an unlocking for a depth adjustment of the saw assembly in the direction of Tiefeneinstell coupled or the like, depending on the drive motor on and / or off.
  • the holding contour may be arranged on a wheel having, for example, a toothing (forms a gear), frictionally configured or the like, wherein the wheel is rotationally coupled to the actuating element, but preferably also releasably coupled rotationally.
  • a freewheel device is expediently arranged, which releases a pivoting of the saw assembly in the direction of the lower pivot position, in the opposite direction, however, is effective.
  • the counter-holding body may be arranged fixedly on the guide plate. For example, it is designed there as a bracket, handle or the like.
  • the counter-holding body is mounted on the guide plate pivotally or slidingly movable.
  • the counter-holding body can be adjusted, for example, from a non-use position, in which it is moved to the guide plate, and a use position in which it can be grasped by the operator.
  • a distance of a grip region of the counter-holding body to the guide plate is expediently adjustable, for example by telescoping the counter-holding body.
  • the counter-holding body expediently comprises a handle arranged on the guide plate, for example a bracket, in particular a U-shaped or L-shaped bracket.
  • the saw assembly is expediently spring-loaded in the direction of the upper pivoting position, so that it assumes this automatically when it is not pivoted by the operator in the direction of the guide plate.
  • a second handle may be present, which is gripped by a second operating hand and is suitably angled to the guide handle.
  • a switch for the drive motor is arranged on this handle.
  • There may also be an unlocking to unlock the saw assembly for pivoting out of the upper pivot position are located.
  • This unlocking element is actuated, for example, in order to pivot the saw assembly in the direction of the guide plate can.
  • both the unlocking element and the drive switch, a speed controller or the like can also be arranged on the guide handle provided according to the invention with the counter-holding device.
  • sawing assemblies 11a, 11b are pivotally mounted about pivoting axes 13 relative to guide plates 14a, 14b by means of pivot bearings 12.
  • the saw assembly 11a, 11b each include a machine housing 15, in which an electric drive motor 16 is arranged, which is supplied for example via a connection cable, not shown, with electrical energy, or in a cordless version of the hand-sawing machine 10a, 10b with a mobile Energy storage, such as a battery pack, could be supplied with electrical energy.
  • this battery pack could be arranged in the machine housing 15 or at this.
  • the drive motor 16 drives a saw blade 17, in the present case a circular saw blade.
  • the saw blade 17 In an in FIG. 1 shown upper pivot position O of the saw assembly 11a, 11b relative to the guide plate 14a, 14b, the saw blade 17 is not in front of a bottom 18 of the guide plate 14a, 14b, which may also be referred to as a saw table before.
  • pivoted maximally lower pivot position In a direction of the guide plate 14a, 14b, however, pivoted maximally lower pivot position
  • a maximum sawing depth is achievable, that is to say the saw blade 17 protrudes maximally downwards in front of the guide plate 14a, 14b (FIG. Figures 2 . 3 ). Then, saw cuts of maximum depth can be made with the hand saw machine 10a, 10b .
  • a first measure known per se for preventing injuries is that the saw blade 17 does not protrude downwards in front of the guide plate 14a, 14b in the upper pivot position O. Furthermore, the saw blade 17 is covered by a cover 19 on the upper side 20 of the guide plate 14a, 14b, for example, a hood on which expediently a suction nozzle 21 is provided for the extraction of sawdust and the like.
  • the pivot bearing 12 is arranged on a sawing direction 22 in the rear side of the guide plate 14a, 14b, that is, a rear side 23, respectively.
  • the saw blade 17 is arranged on a sawing direction 22 on the right longitudinal side 24 of the guide plate 14a, 14b.
  • the machine housing 15 extends to the left longitudinal side 25 of the guide plate 14a, 14b seen in the sawing direction 22, in the present case is even beyond this, which, however, is of no further interest. It is understood that the saw blade could also be arranged on a left longitudinal side of the guide plate in sawing direction 22.
  • the Schrägfixier adopted 28 is at the top 20 of the guide plate 14a, 14b and allows a determination of an inclination of the saw blade 17 relative to the plan in the embodiment bottom 18 of the guide plate 14a, 14b, so that, for example miter cuts or bevel cuts are feasible.
  • the hand-sawing machine 10a, 10b is already easy to handle per se due to a handle arrangement to be described in detail below, but moreover has embodiments according to the invention which will be explained later.
  • an operator can grasp the hand-sawing machine 10a, 10b on a handle 29 which projects upwards from the machine housing 15.
  • the handle 29 has a handle portion 30 that can be grasped by an operator.
  • the handle portion 30 extends approximately parallel to the right and left longitudinal side 24, 25 of the guide plate 14a, 14b. Between the handle portion 30 and the machine housing 15 a penetration is present.
  • the handle portion 30 is supported in sawing direction 22 behind, that is in the region of the rear side 23 of the guide plate 14a, 14b, directly on the machine housing 15 from or is connected thereto. Forward, that is to a front side 26 of the guide plate 14 a, 14 b or in the direction of the sawing direction 22, the handle portion 30 is in a support portion 32, which in turn is in turn connected to the machine housing 15.
  • the support portion 32 and the handle portion 30 are at an angle to each other, for example, approximately at right angles.
  • the switch 31 is located in a transition region between the two sections 30, 32.
  • an unlocking element 33 is arranged on the handle 29, approximately in the transition region between the handle portion 30 and the support portion 32.
  • the operator on the one hand For example, press the switch 31 with the index finger, press the unlocking element 33 with its thumb of the hand 29 leading the hand so as to unlock the saw assembly 11a, 11b and pivot, so that they from the upper pivot position O toward the lower pivot position U can be swung out.
  • the handle 29 is a comfortable holding and guiding the hand-sawing machine 10a, 10b possible.
  • a guide handle 34a, 34b is provided, which can be grasped with a further operating hand.
  • the guide handle 34a, 34b extends to the handle portion 30 at an angle, obliquely (not shown) or in the present case at right angles.
  • the operator can thus comfortably hold and guide the hand-sawing machine 10a, 10b both longitudinally and transversely.
  • the guide handle 34a, 34b runs approximately parallel to the front and rear sides 26, 23 of the guide plate 14a, 14b and / or transversely to the sawing direction 22nd
  • a handle housing 35a, 35b of the guide handle 34a, 34b is connected to a mounting portion 36 with the machine housing 15, for example, approximately where the connection between the support portion 32 and the machine housing 15 is provided.
  • a handle portion 37 in the direction of the left longitudinal side 25 of the guide plate 14a, 14b from.
  • the handle portion 37 is, for example, tubular and / or expediently in his Diameter at least partially dimensioned so that it can be grasped with one hand.
  • the guide handle 34a, 34b serves primarily to pivot the saw assembly 11a, 11b about the pivot axis 13, that is to set the desired depth of cut.
  • a depth stop device 38 is provided.
  • the depth stop device 38 comprises a depth stop holder 39 with a guide body 40.
  • the guide body 40 is fixedly connected to the cover 19, in the present case even forms part of the same.
  • the depth stop bracket 39 forms a front end wall of the hood-like cover 19. Therefore, so also the depth stop bracket 39 pivots about the skew axis 27 when the saw blade 17 is tilted relative to the bottom 18, but is otherwise stationary with respect to the guide plate 14a, 14b.
  • a scale 41 On a front wall of the depth stop bracket 39 and the guide body 40 is a scale 41, which serves as a measure of the respective desired depth.
  • a Tiefeneinstell operation 43 is arranged at an angle to the front side with the scale 41 side wall 42 which faces the machine housing 15.
  • a depth stop member 44 is guided and fixed in different Tiefeneinstellpositionen, for example, clamped, latched or the like.
  • An index on the depth stop 44 points to the scale 41, so that the operator can recognize the set sawing depth.
  • the hand-sawing machine 10a has a counter-holding device 50a, which fulfills the function of a depth-of-cut fixing, while the hand-sawing machine 10b has further counter-holding devices 50b-50d, which are provided individually or together or in combination with the one counter-holding device 50a could. All counter-holding devices 50a-50d can be operated, for example actuated or gripped, by the hand encompassing the guide handle 34a, 34b, as will become clear hereinafter.
  • the counter-holding device 50a comprises an actuating element 51, which is arranged on the guide handle 34a.
  • the actuating element 51 is designed as a pivot lever which is mounted pivotably about a pivot axis 53 on the guide handle 34a.
  • the pivot axis 53 is transversely, for example at right angles, to a longitudinal direction of the guide handle 34 a.
  • An operating portion 54 for operating the operating member 51 and a holding portion 55 of the pivot lever 52, which cooperates with a counter-holding body 56 a, are provided opposite to each other with respect to the pivot axis 53 on the operating member 51.
  • the actuator 51 From the actuator 51 are bearing projections 57 in the direction of the pivot axis 53 on opposite side of the actuating element 51 from which are received pivotably mounted in bearing receivers 58 of the guide handle 34 a.
  • the actuator 51 can pivot in the bearing receivers 58, that is, about the pivot axis 53rd
  • the operating portion 54 is in the unactuated state of the actuator 51 forward in front of the handle housing 35a of the guide handle 34a, so that the operator while gripping the guide handle 34a at the same time the actuator 51 can press on its operating portion 54 to the actuator 51 from its in FIG. 4b shown release position in an in FIG. 4a shown to bring holding or fixing position.
  • the actuating region 54 can be adjusted, for example, toward the grip housing 35a or into it. In this case, the operator exerts a force against a return spring 59, which acts on the actuating element 51 in the release position.
  • the return spring 59 is supported on the one hand on the handle housing 35a, on the other hand on the holding portion 55 of the actuating element 51 and is designed for example as a compression spring, wherein the reverse configuration, namely a tension spring or the actuation of the actuating portion 54 and the side facing away from it, is readily possible ,
  • a spring seat 60 for example, a cylindrical recess provided.
  • a holding contour 61 on the holding region 55 engages with a counter-holding contour 63 of the counter-holding body 56a.
  • the retaining contour 61 in the present case is a row of teeth or at least one tooth-like one Projection, which is arranged on the holding portion 55.
  • the countercontent contour 63 is formed by a row of teeth 64 which is arranged on the side wall 42 of the guide body 40 or the depth stop holder 39. The row of teeth 64 runs parallel to the Tiefeneinstellation 43, so it also has a curved course.
  • the operator thus presses the saw assembly 11a with the guide handle 34a after unlocking by means of the unlocking element 33 downwards, that is in the direction of the front side 26 of the guide plate 14a. If the saw assembly 11a, 11b strikes, for example, on the depth stop member 44, optionally also at a higher pivot position, the operator presses on the actuator 51 and the actuating portion 54 and so brings the counter-holding device 50a in its holding or fixing position, so that the selected Depth stop position is maintained.
  • the counter-holding device 50a advantageously has an index 66, which points to the scale 41 (it could also be a Index 66 individually assigned further scale provided) and so the operator displays the respectively set pivot position and thus the saw depth.
  • the hand-sawing machine 10a can be completely deflected in the direction of the sawing depth set by the depth stop device 38, that is to say that the sawing assembly 11a abuts against the depth stop element 44 in the desired sawing depth or pivoting position.
  • the upper pivot position O and set by the depth stop pivot position adjustable pivot positions adjustable that is sawing depths fixed, in that the operator actuates the counter-holding device 50a in the direction of its holding or fixing position at such an intermediate position.
  • a maximum depth of cut can be set permanently by means of the depth stop device 38.
  • less deep saw cuts or smaller saw depths can be achieved very easily with the aid of the counter-holding device 50a, wherein the respective sawing depth can be easily maintained during the complete sawing process, namely by the counter-holding device 50a being activated.
  • a displaceable index part 65 may be arranged on the scale 41.
  • the holding contour 62 is designed in the shape of an arrow projection, so that the saw assembly 11a is pivoted so far, for example, in the direction of the index member 65 until it comes to coincide with it, so that the operator sawdust 11a in the respective desired, not yet pivot maximum, set by the depth stop 38 pivot position and set there with the counter-holding device 50a.
  • the actuating element 51 is advantageously accommodated substantially in an inner space of the handle housing 35a, that is to say that only the actuating region 54 protrudes forward, for example in the region of the grip section 37, in front of the grip housing 35a.
  • FIG. 5 is shown in solid lines, the retaining contour 61 at a distance from the Schmidthaltkontur 63 to illustrate details, in dashed lines, however, the holding position or the retaining contour 61 in engagement with the Schmidthaltkontur 63rd
  • a handle 70 protrudes from the depth stop element 44b, which otherwise resembles the depth stop element 44 in shape and function, for example approximately parallel to the guide handle 34b.
  • the handle 70 may also be telescopic.
  • the handle 70 it would be possible for the handle 70 to be designed as a detachable component in order to be detachably fastened to the depth stop element 44b, for example.
  • a handle 71 which also forms a counter-holding body, may be provided on a housing of the oblique fixing device 28.
  • one or more counter-holding bodies can be arranged directly on the guide plate.
  • a handle 75 is arranged in the region of the front side 26 of the guide plate 14b.
  • the handle 75 is shown relatively small, it could also be easily larger.
  • the handle 75 is L-shaped or U-shaped and is upwardly in front of the top 20 the guide plate 14b.
  • the handle 75 may also be telescopic, so that it can take, for example, the upper position shown in dashed lines.
  • the handle 75 is releasably and / or movably mounted on the guide plate 14b, for example pivotally by means of a pivot bearing 76.
  • the telescoping or height adjustment serves the advantageous purpose, at different saw depths or different Schwenkauslenkungen the Sgebauuite 11b each allow a comfortable gripping the handle 75 ,
  • a wheel 80 is provided on the guide handle 34b, which can be brought into engagement with, for example, the counter-holding contour 63.
  • the wheel 80 is drivable by means of a drive wheel 81 which is actuated by means of a rotary handle 82.
  • the rotary handle 82 is rotatably coupled to the drive wheel 81, for example via a running in the interior of the guide handle 34b rod member.
  • the gear formed by the wheels 80, 81 has a freewheel such that the saw assembly 11 b can be pivoted with freewheel in the direction of its lower pivot position U, but then the wheel 80 in engagement with the counter-holding contour 63 and the counter-holding body 56 d comes.
  • the rotary handle 82 With the help of the rotary handle 82, a fine adjustment of the respective sawing depth or pivot position is possible.
  • the handles 70, 75 form counter-holding bodies 56b, 56c.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Claims (13)

  1. Scie manuelle comprenant une plaque de guidage (14 ; 14b) pouvant être posée, par son côté inférieur (18), sur un support et comprenant un groupe modulaire de sciage (11a ; 11b), qui comprend un moteur d'entraînement (16) et un porte-outil, pouvant être entraîné par le moteur d'entraînement (16), pour une lame de scie (17), sachant que le groupe modulaire de sciage (11 a ; 11 b) est monté de manière à pouvoir pivoter à l'aide d'un palier pivotant (12) au niveau de la plaque de guidage (14a ; 14b), et comprenant une poignée de guidage (34a ; 34b) disposée au niveau du groupe modulaire de sciage (11a ; 11b), servant à la saisie par l'utilisateur du groupe modulaire de sciage (11a ; 11 b) afin de faire pivoter le groupe modulaire de sciage (11 a ; 11 b) entre une position de pivotement supérieure (O), dans laquelle le porte-outil est éloigné par un pivotement de la plaque de guidage (14 ; 14b) de sorte que la lame de scie (17) ne dépasse pas, de manière appropriée, du côté inférieur (18) de la plaque de guidage (14a ; 14b), et une position de pivotement inférieure (U), dans laquelle le porte-outil est pivoté en direction de la plaque de guidage (14a ; 14b) afin de régler une profondeur de sciage maximale, sachant que la scie manuelle présente un système de maintien complémentaire (50a - 50d) associé à la poignée de guidage (34a ; 34b) et pouvant être utilisé par une main de l'utilisateur maintenant la poignée de guidage (34a ; 34b), servant à maintenir le groupe modulaire de sciage (11a; 11 b) dans une position de pivotement pivotée en direction de la plaque de guidage (14a ; 14b) de manière à sortir de la position de pivotement supérieure (O), sachant que le système de maintien complémentaire (50a - 50d) présente un corps de maintien complémentaire (56a - 56d) disposé au niveau de la plaque de guidage (14a ; 14b), caractérisée en ce
    - qu'est disposé, au niveau de la poignée de guidage (34a ; 34b), un élément de commande servant à ajuster un contour de maintien (61) du groupe modulaire de sciage (11 a ; 11 b) en contact de maintien (61) avec le corps de maintien complémentaire (56a - 56d), sachant que le contour de maintien (61) est soumis à l'action d'un ressort en direction d'une position de desserrage éloignée du corps de maintien complémentaire (56a - 56d), et/ou
    - en ce que le corps de maintien complémentaire (56a - 56d) comprend un manche (75,70), qui peut être saisi d'une main en périphérie de manière simultanée conjointement avec la poignée de guidage (34a ; 34b) par un utilisateur, sachant que le manche (75, 70) est disposé au niveau de la plaque de guidage (14a ; 14b) ou dépasse d'un élément de butée de profondeur (44), qui fait partie intégrante d'un système de butée de profondeur (38) servant à régler une profondeur de sciage de la lame de scie (17) en limitant un trajet de pivotement du groupe modulaire de sciage (11a ; 11b) au moyen de l'élément de butée de profondeur (44), qui peut être fixé dans plusieurs positions de réglage de profondeur au niveau d'une fixation de butée de profondeur (39) disposée au niveau de la plaque de guidage (14a ; 14b).
  2. Scie manuelle selon la revendication 1, caractérisée en ce que le contour de maintien (61) et/ou le corps de maintien complémentaire (56a - 56d) présente un contour de complémentarité de forme, en particulier une denture, aux fins d'un maintien par complémentarité de forme l'un contre l'autre et/ou un contour de serrage aux fins d'un serrage l'un contre l'autre, et/ou une surface de friction aux fins du maintien à friction l'un contre l'autre.
  3. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément d'actionnement (51) est configuré sous la forme d'un levier de pivotement (52) ou sous la forme d'un coulisseau.
  4. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que la fixation de butée de profondeur (39) forme ou présente le corps de maintien complémentaire (56a - 56d).
  5. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de butée de profondeur (44) est guidé au niveau d'un guidage de réglage de profondeur (43) et peut être fixé, dans plusieurs positions de réglage de profondeur, au niveau du guidage de réglage de profondeur (43), et en ce qu'un contour de maintien complémentaire (61) coopérant avec le contour de maintien (61), du corps de maintien complémentaire (56a - 56d) est disposé au niveau du guidage de réglage de profondeur (43) ou s'étend de manière parallèle à côté du guidage de réglage de profondeur (43).
  6. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que le contour de maintien (61) est disposé au niveau de l'élément d'actionnement (51), ou en ce que le contour de maintien (61) est disposé au niveau d'un corps de maintien, sur lequel l'élément d'actionnement (51) agit ou auquel l'élément d'actionnement (51) est couplé.
  7. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un capteur et/ou un commutateur sont associés à l'élément d'actionnement (51), sachant que le capteur ou le commutateur peuvent être actionnés par l'élément d'actionnement (51) afin de mettre en marche ou de couper le moteur d'entraînement (16) en fonction d'une position de l'élément d'actionnement (51), en particulier en combinaison avec au moins une autre condition.
  8. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que le contour de maintien (61) est disposé au niveau d'une roue (80) configurée en particulier sous la forme d'une roue dentée, laquelle est couplée en rotation en particulier de manière amovible à l'élément d'actionnement (51), sachant qu'un système de roue libre est disposé de manière appropriée entre la roue (80) et l'élément d'actionnement (51), lequel système de roue libre débloque un pivotement du groupe modulaire de sciage (11 a ; 11 b) en direction de la position de pivotement inférieure (U) et est actif dans le sens opposé.
  9. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de maintien complémentaire (56a - 56d) est disposé de manière immobile au niveau de la plaque de guidage (14a ; 14b) ou est monté de manière mobile en pivotement et/ou de manière mobile en coulissement au niveau de la plaque de guidage (14a ; 14b) et peut être fixé par rapport à la plaque de guidage (14a ; 14b).
  10. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une distance d'une zone de préhension du corps de maintien complémentaire (56a - 56d) par rapport à la plaque de guidage (14a ; 14b) peut être ajustée, en particulier en ce que le corps de maintien complémentaire (56a - 56d) est télescopique.
  11. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un manche (75) disposé au niveau de la plaque de guidage (14a ; 14b) et formant un corps de maintien complémentaire (56a - 56d) présente une forme d'étrier.
  12. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que le système de maintien complémentaire (50a) est pourvu d'une partie d'indice (67) et/ou d'une graduation (41) servant à indiquer une profondeur de sciage réglée.
  13. Scie manuelle selon l'une quelconque des revendications précédentes, caractérisée en ce que le groupe modulaire de sciage (11a ; 11b) est soumis à l'action d'un ressort en direction de la position de pivotement supérieure (O), et/ou en ce qu'un deuxième manche (29), à saisir par une seconde main effectuant la manoeuvre et coudé de manière appropriée par rapport à la poignée de guidage (34a ; 34b), est disposé en plus de la poignée de guidage (34a ; 34b) au niveau du groupe modulaire de sciage (11 a ; 11 b).
EP11005538.1A 2010-07-31 2011-07-07 Scie manuelle dotée d'un dispositif d'arrêt. Not-in-force EP2412499B1 (fr)

Applications Claiming Priority (1)

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DE201010032988 DE102010032988A1 (de) 2010-07-31 2010-07-31 Hand-Sägemaschine mit einer Gegenhalteeinrichtung

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EP2412499A1 EP2412499A1 (fr) 2012-02-01
EP2412499B1 true EP2412499B1 (fr) 2015-07-22

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DE (1) DE102010032988A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011116873B4 (de) 2011-10-25 2022-06-02 Festool Gmbh Hand-Werkzeugmaschine mit einer Anzeigeanordnung
DE102012213383A1 (de) * 2012-07-30 2014-01-30 Mafell Ag Bearbeitungsmaschine
JP6364291B2 (ja) * 2014-09-12 2018-07-25 京セラインダストリアルツールズ株式会社 切断機
DE102015225392A1 (de) 2015-12-16 2017-06-22 Robert Bosch Gmbh Handwerkzeugmaschinenvorrichtung
DE102019003737B3 (de) * 2019-05-28 2020-09-03 Metabowerke Gmbh Hand-Werkzeugmaschine
DE102019134411A1 (de) * 2019-12-13 2021-06-17 Festool Gmbh Mobile Hand-Sägemaschine mit einem schwenkbaren Vorritzaggregat

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815245A1 (de) * 1988-05-05 1989-11-16 Bosch Gmbh Robert Sicherheitseinrichtung an einer handwerkzeugmaschine
US4982501A (en) * 1990-03-05 1991-01-08 Black & Decker Inc. Depth of cut adjustment for a portable circular saw
GB2302057A (en) * 1995-06-12 1997-01-08 Black & Decker Inc Hand-held circular saw
DE19923145A1 (de) * 1999-05-20 2000-11-23 Hilti Ag Absaughaube für handgeführte Trennschleifer
JP4804823B2 (ja) * 2005-07-26 2011-11-02 株式会社マキタ 携帯丸鋸

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DE102010032988A1 (de) 2012-02-02

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