EP2295212B1 - Machine de traitement du bois et module de butée parallèle approprié - Google Patents

Machine de traitement du bois et module de butée parallèle approprié Download PDF

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Publication number
EP2295212B1
EP2295212B1 EP20090400046 EP09400046A EP2295212B1 EP 2295212 B1 EP2295212 B1 EP 2295212B1 EP 20090400046 EP20090400046 EP 20090400046 EP 09400046 A EP09400046 A EP 09400046A EP 2295212 B1 EP2295212 B1 EP 2295212B1
Authority
EP
European Patent Office
Prior art keywords
guide groove
rip fence
coupling
machine table
guided
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
EP20090400046
Other languages
German (de)
English (en)
Other versions
EP2295212A1 (fr
Inventor
Thomas Scherl
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.)
Scheppach GmbH
Original Assignee
Scheppach Fabrikation von Holzbearbeitungsmaschinen 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 Scheppach Fabrikation von Holzbearbeitungsmaschinen GmbH filed Critical Scheppach Fabrikation von Holzbearbeitungsmaschinen GmbH
Priority to AT09400046T priority Critical patent/ATE542651T1/de
Priority to EP20090400046 priority patent/EP2295212B1/fr
Priority to CA 2714838 priority patent/CA2714838C/fr
Priority to US12/923,236 priority patent/US8789450B2/en
Publication of EP2295212A1 publication Critical patent/EP2295212A1/fr
Application granted granted Critical
Publication of EP2295212B1 publication Critical patent/EP2295212B1/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
    • B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
    • B27B27/10—Devices for moving or adjusting the guide fences or stops
    • 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
    • B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
    • B27B27/02—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon arranged laterally and parallel with respect to the plane of the saw blade
    • 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
    • Y10T83/00—Cutting
    • Y10T83/727—With means to guide moving work
    • 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
    • Y10T83/00—Cutting
    • Y10T83/727—With means to guide moving work
    • Y10T83/741—With movable or yieldable guide element
    • 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
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7684—With means to support work relative to tool[s]
    • Y10T83/773—Work-support includes passageway for tool [e.g., slotted table]

Definitions

  • the invention relates to a woodworking machine according to the preamble of claim 17, as well as a suitable rip fence module according to the preamble of claim 1.
  • a rip fence module is of the US 2004/0123712 A1 disclosed.
  • Such machine tools therefore often have a relative to the tool in a transverse to a longitudinal direction, eg the working direction of a saw blade extending extension movably received on the machine table rip fence, which has a parallel to the longitudinal direction extending workpiece stop on which the workpiece can be applied so be positioned with its edge facing away from the tool with a certain distance from the tool on the machine table, and then passed by the tool.
  • generic machine tools or their rip fence further comprise a locking device, which are switchable by an operator between a locking position and a release position to lock a guided portion of the rip fence or to re-set the distance between the tool and the workpiece stop release.
  • a circular saw with a roller-guided rip-stop module has been proposed to improve the sliding of the guided portion of the rip fence.
  • the guided portion of the rip fence encloses a U-shaped guide attached to a side table guide rib.
  • the rip fence module has a locking device which has a fork-shaped arm which engages around a screw which can be pressed against the guide rib received in the groove between the legs of the guided section or releases it.
  • the workpiece stop is provided on a machine table at least partially cross-over superstructure of the rip fence, wherein the superstructure is in turn slidably received on at least one guided section in at least one designated guide groove on the machine table.
  • a circular saw is provided with a rip fence module, which can be driven by a motor and a spindle arranged along the machine table.
  • the rip fence with a corresponding nut on the spindle is added.
  • the nut is located on a guided section, which is accommodated together with the motor spindle in a guide groove.
  • the guided section or the carriage passes through the profile of the guide rail with one arm.
  • the arm is connected via a bracket to the superstructure of the rip fence and guided with a guide piece on a T-shaped guide rail end of the guide rail profile.
  • the guided portion of the rip fence module or the rip fence of the woodworking machine via which the superstructure of the rip fence is movably supported in a machine table side guide provided one or more in the guide at least partially deployable carriage, which in turn each a number ball or Have roller bearings or ball or roller rollers, over which each guide carriage inserted in the guide groove can roll on assigned rolling surfaces of the guide groove in the release position or on the each carriage in the guide groove in (and counter) the extension direction is rollable.
  • the guide carriage further comprises a fixed to the superstructure car body on which the number of ball or roller bearings (or rollers) with a preferably variable in the vertical direction with between a Abroll ein and a removal position or adjustable distance to the respective associated rolling surface are added to the guide groove.
  • the number of ball or roller bearings In the unwinding position, the number of ball or roller bearings is not applied to the guide surfaces and in the removal position for removing the guide carriage from the guide groove.
  • the carriage can be used in the removal position in a particularly simple manner with its roles in the guide, so that a total of a particularly easy attachment of the rip fence module succeeds the machine table.
  • the ball or roller bearings are then brought into their unrestrained unwinding position, which is assigned to rolling surfaces in the guide rail that run in the extension direction. If the rip fence module is removed again from the machine table, the ball or roller bearings (or rollers) are again moved from their resting on the associated rolling surfaces unwinding position in the non-fitting removal position. After that, the guide carriage can again very easily be removed from the groove and the rip fence module lifted off the machine table.
  • the number of ball or roller bearings can be fastened to the car body, for example, by means of an arm arrangement that is movable perpendicular to the extension direction, preferably in the vertical direction or can be swiveled or pivoted in this direction.
  • the removal position then corresponds to a position the arm assembly, in which the number of ball or roller bearings is not spread perpendicular to the extension direction against the drainage surfaces.
  • An expanded position of the arm assembly in the guide then corresponds to the unwinding position.
  • a biasing device which biases the ball or roller bearings in the unwinding position, preferably an attacking on the arm assembly, the arm arrangement in the spread position unwinding biasing biasing means, so that the bearings used in the guide against the rolling surfaces of the associated guide groove be biased.
  • a rip fence supported by a guided section can be provided in both guide grooves. It would also be conceivable for the rip fence to be movably received on the machine table via a plurality of guide carriages supported in a guide groove or ball bearing. In a rip fence, which is only included in a guide groove on the front of the machine table, and slides on the back of the machine table via a sliding portion on the table top, however, only one recorded in the front guide groove carriage is necessary. Here, however, it would be conceivable to further improve the smooth running of the rip fence, instead of the back sliding section to support the rip fence there over a role.
  • a woodworking machine further comprises a table widening with a pull-out element, which for widening the machine table has a positionable next to the machine table extracting plate which is received between two extension arms attached to the extension, which in turn are guided in two table side fastened guide rails in the extension direction, wherein at least the front of the extension arms of a guided groove for the guided Section of the rip fence is penetrated.
  • the stop can be used not only both in the extended state of the table widening and in the retracted state of the table widening, but also the distance of the rip fence or the workpiece stop of the rip fence are set by the tool regardless of the state of extension of the table widening. Furthermore, a two-step adjustment of the distance of the workpiece stop can be achieved by the tool on the optional table widening: First, the table widening is roughly brought to the correct position with ratchet locked in the guide grooves or on the guide arms, then is about the smooth in the guide groove sliding guide carriage of the rip fence the distance of the workpiece stop of the tool finely adjusted (after the locking device of the rip fence has been solved).
  • an adjusting lever For manually changing the distance of the number of rollers from the associated rolling surfaces or for manually lifting the number of rollers for the purpose of removing the guide carriage from the guide groove can be provided an adjusting lever, which is coupled via a coupling device with the arm assembly.
  • a separate handle or lever is provided for spreading or retracting the arm assembly, a conscious unlocking of this lever must be made for the removal of the rip fence of the machine table, ie the number of rollers are brought into the removal position in which they does not abut the respective associated rolling surface.
  • the arm assembly may comprise an arm, one end of which is pivotally attached to the carriage body about a longitudinal axis of rotation and the other end carrying at least one roller.
  • the role of the lever and the coupling device for example: a car body cross, with the lever connected or connectable coupling pin pivoted upwards, so the role of the rolling position, in which the car body and thus the rip fence stored on her, in the Removal position be brought, in which case, for example, the superstructure of the rip fence module rests on the table top of the machine table.
  • the arm arrangement preferably comprises a rocker preferably mounted pivotably about a longitudinally extending axis of rotation on the carriage body, with two bearing bolts fastened on opposite sides of the rocker, at least one roller being accommodated on the bearing bolt.
  • the carriage body can then be supported in the unrolling position via the arm assembly and the rollers between an upper and a lower rolling surface in the guide groove.
  • the rip fence is not only particularly safe, but also guided very smoothly due to the relief of the lower roller. Theoretically, a support between two vertically extending side walls of the guide would be conceivable.
  • the locking device has a contact strip which can be received in the respective guide groove, that is, for example, in a guide groove facing the operator on the front side of the machine table.
  • the pressure bar over a longitudinally engaging in the guide coupling means between the locking position, in which it is pressed against the back of an extending in the extension direction undercut of the guide groove, and the release position in which it is lifted from the back of the undercut, be switchable
  • the locking device may further comprise a counter-holding surface, which is pressed against a contact surface on the machine table, when the pressure bar in the Arresting position is moved, so that a counter-holding force is generated against the force exerted on the pressure bar pressing force, whereby the locking of the rip fence takes place.
  • a contact surface located on the pressure strip and the counter-holding surface extend in another, preferably vertical plane to the drainage or rolling surfaces for the rollers (bearings), so that the operation of the locking device completely independent of the setting of the guide of the rip fence or the Spend the arm assembly in the removal position or the guided position is possible.
  • the counter-holding surface are located on the carriage body and the contact surface on the guide rail on the front side opposite the rear of the undercut, can be locked by moving the pressure bar relative to the car body of the rip fence or unlocked for moving. Therefore, it is advantageous if the pressure bar is displaceable over the coupling device relative to the carriage body in the longitudinal direction. In this way, a reliable and easy-to-use locking or release of the rip fence in the extension direction succeeds.
  • a further advantageous embodiment of the invention relates to a swivel lever received on the superstructure, which is provided as an actuating device for the locking device.
  • the pivot lever is pivotable between the release position and the locking position about an example extending in the extension direction, preferably horizontal pivot axis and has at least one eccentrically to its pivot axis extending guide portion over which the locking switchable, ie between the locking position and the release position can be actuated.
  • the above-mentioned coupling device can advantageously be coupled to the pivot lever via its eccentric to the pivot axis extending guide portion with the pivot lever.
  • the superstructure of the rip fence module can be formed as a machine table in the longitudinal direction completely overarching portal superstructure, which has on its rear side facing away from the operator side of the machine table a clamping pin, which via the actuating device, ie preferably via the pivot lever in a associated, machine table side provided guide groove can be pressed, which corresponds to the locking position, and which is further engageable in the transverse to the longitudinal direction movable release position.
  • Tensioning rod may be provided, which - as it may be the coupling of the coupling device - may be accommodated in an eccentric guide portion on the pivot lever.
  • the tension rod can be put under tension or pressure, so that the chuck tensioned against contact surfaces in the associated guide, so it can be locked in the guide and also relieved again, so can be released.
  • the locking device can on the front of the machine table simply counter stop surfaces have, which are pressed against corresponding contact surfaces on the machine table when the clamping pin and / or the pressure bar are moved into the locked position.
  • a release of the lock on the provided as an actuating device for the locking pivot lever of the rip fence then (at the same time ent Spotifytext arranged bearings) can be lifted altogether from the machine, so that an easy assembly and disassembly of the rip fence is possible.
  • a combination of the clamping pin with a development of the invention described above with a pressure strip provided in a guide groove provided on the front side of the machine table proves to be particularly advantageous.
  • the fixation of the rip fence on both sides of the machine table allows a high angular accuracy to the longitudinal direction, ie, for example, to a saw blade provided as a tool. If the pressure bar (for example, via the coupling device) also connected to the pivot lever of the locking device, so in this embodiment, the lock can be solved with a handle and found again.
  • the adjusting lever for lifting the number of rollers from the associated rolling surfaces can advantageously be coupled via the same coupling device with the arm arrangement as the pivot lever for actuating the locking device.
  • the coupling device may have a longitudinally extending in the carriage body rotatably received coupling pin, on its side facing the guide groove on the one Arman extract, or the rocker is pivotally received and on the other to the pressure bar is fixed, preferably at the free ends the bearing pins on which the rollers are received on the rocker.
  • the lever located on the side facing away from the rocker side of the car body actuating lever may have a penetrated by the coupling pin and rotatably connected to the coupling pin hinge eye portion with which he connects on its side facing the rocker to the car body.
  • On the side facing away from the rocker or the car body side of the hinge eye portion may then be provided to the coupling pin with an actuating device of the locking, rear coupling portion over which the coupling pin between the locking position in which he is pulled out of the guide so far that the pressure strip rests against the rear of the distinction, and the release position, in which it is pushed so far into the guide groove, that the pressure strip rests against the back of the distinction, is displaced.
  • a further advantageous development relates to the attachment of an angle rail forming a workpiece stop by means of an angle rail tensioning device on the superstructure, preferably on a carrier profile of the superstructure fastened between a front girder and a rear girder.
  • the angle rail can be tensioned by means of the angle rail clamping device and released for movement in the longitudinal direction.
  • the angle rail in this case has a longitudinally extending, undercut groove and the angle rail clamping device recorded in the undercut groove pressure bar and a cross-section of the carrier profile and bolted to the Anpressological clamping screw with a tension spring over which the pressure bar is biased away from the carrier profile ,
  • a rip fence module having the features of the preamble of claim 1 and the features of claim 2, wherein ball bearings and / or sliding portions are movably provided on the carriage body and a corresponding woodworking machine having the features of the preamble of claim 17 and a correspondingly constructed guide carriage could therefore - optionally together with the features mentioned in the preceding description passage, the features mentioned in the further subclaims and the further features described in connection with the drawings in any meaningful combination - are the subject of a separate application. It would also be conceivable to make the proposed in claim 3 construction of the locking device together with the features of the preamble of claim 1 and 17 to the starting point of a separate application, in particular together with the other optional, the structure of the locking device and its coupling with the guided Section characteristics.
  • a rip fence module having the features of the preamble of claim 1 and a woodworking machine having the features of the preamble of claim 17, together with the features of claims 15 and 16, and optionally the further subclaims could be made the subject of a separate application.
  • FIGS. 1 to 3 show a machine table 3 of a circular saw designated 1, to which a table widening module and a rip fence module on the lying in the extension direction A side is grown.
  • a tool slot 2 is provided, through which a circular saw blade of the circular saw can grip, wherein on one side of the tool slot 2, an extension plate 8 of the Tischverumblerungsmoduls is grown and on the other side of the tool slot 2, a miter module 4.
  • the Tischverbreiterungsmodul is designed so that the machine can be easily reconfigured by the extract element is attached to the other side of the table.
  • An extract element of the table widening module thus comprises not only the extension plate 8 but also the two extension arms 7a, 7b and does not have to be disassembled before it is inserted again into the guide rails 6a, 6b on the other side of the table.
  • the guide rails 6a, 6b are in each case penetrated by a guide groove 6a, 12a, or 6b, 12b over their entire, extending in the extension direction A length, which of the guide rail 6a, 6b itself or its inner cross-section and one on the side of the extension plate. 8 each plugged sliding bush 12a, 12b is formed.
  • the guide arms 7a, 7b are the respective guide groove 6a, 12a, and 6b, 12b taken guided and have over their entire length a constant, not undercut cross-section.
  • On her in the respective guide groove 6a, 12a, and 6b, 12b recorded end is in each case a sliding cap 11a - or on the opposite side not shown here - 11 b screwed.
  • the ends of the guide arms 7a, 7b provided with one of the sliding caps 11a, 11b in each case are the one FIG. 12 to be taken in detail. It can be seen that the sliding caps 11a, 11b slide on the inner surface of the respective guide rail 6a, 6b in the respective guide groove 6a, 12a or 6b, 11b.
  • FIGS. 13 and 14 the ends of the guide rails 6a and 6b which are provided with the sliding bushes 12a and 12b and which face the extension plate 8 are in detail the one FIGS. 13 and 14 refer to.
  • the slide bushes 12a, 12b are plugged into the guide rail 6a or 6b from the side.
  • slide bushings 12a, 12b each have a screw-in guide groove 19, with which they can be plugged onto fastening screws 18 provided on the guide rail 6a. The Slide 12 must then be rotated to attach or remove only.
  • Reference numeral 10 is in FIG. 1 Further, a locking means of the table widening module is designated, with which the pull-out element can be fixed in a desired position by means of locking lugs 10f accommodated in locking grooves 17a in the pull-out arms 6a, 6b, as again FIG. 14 can be seen. There is also a Parallelantschverschiebenut 14a in the extension arm 7a to recognize, which corresponds due to the same part of the extension arms 7a, 7b a similar groove 14b in the other, located on the rear side of the machine table extension arm 7b.
  • the rip fence module is thus accommodated displaceably on the extension arms 7a, 7b independently of the pull-out position of the pull-out element in the rip fence displacement groove 14a and the corresponding groove 14b. Furthermore, on the two extension arms 7a, 7b, an end cap is screwed onto the end located on the side of the rip fence (only the end cap 13b provided on the rear extension arm 7b is shown in the drawing), which serves as a securing stop for the rip fence module.
  • the two extension arms 7a, 7b each have a further, upper-side receiving groove 15a, in which, for example, a sheet metal with a longitudinal scale on it can be received or pasted.
  • a viewing window 15b can be seen, through which a user can look at a width scale located on the guide rail 6a when using the rip fence when the table extension is not extended. If the operator wants to use the rip fence with the table widened, the rip fence must first be moved against the end cap 13b. The measure can then be read with a mounted on the guide rail 7a end of the extension arm 6a and the sliding cap 11a attached scale pointer on another, attached to the guide rail 7a scale. In both cases one can see how far one through one Angle rail 9d formed workpiece stop of the rip fence of the tool or the tool slot 2 is removed.
  • the rip fence module has a superstructure, generally designated 9, with which it overlaps the machine table 3 in the longitudinal direction L.
  • the superstructure 9 has a front bracket 9a, and a rear bracket 9c, between which a carrier profile 9b is screwed.
  • the angle rail 9d is displaceably received in the longitudinal direction L via a tensioning device 17.
  • the in the FIGS. 1 and 2 generally designated 17 angle rail tensioning device is in the FIG. 3 to be taken in detail, but the angle rail 9d is omitted.
  • the carrier profile 9b is penetrated by a clamping screw 17b, at one end of a handwheel 17a is placed, whereas the other end of the clamping screw 17b is screwed into a in an undercut groove of the angle rail 9d insertable pressure bar 17c.
  • a tension spring 17d is placed around, which keeps the pressure bar always at a distance, so that a lighter retraction of the workpiece stop forming angle rail 9d allows the pressure bar 17c.
  • the pressure bar 17c is guided over the guide bolt 17e which extends through the undercut groove on both sides of the clamping screw, which also passes through the undercut groove, against tilting in associated bores on the carrier profile 9b.
  • FIGS. 1 . 2 generally designated 16 locking means for locking the rip fence module in the guide grooves 14a, 14b of the two extension arms 7a, 7b while a lever 16a on which a Spannstangenzugbolzen 16f a portal-shaped superstructure 9 by cross-tie rod 16b is added.
  • a clamping pin 16c is fastened via a bolt not shown in detail on the tension rod 16b.
  • the clamping pin 16c is suspended via a hinge axis 16d on the rear bracket 9c of the portal superstructure 9, which is fastened via a joint clamp 16e to the rear bracket 9c.
  • the tensioning lever 16a is in this case, in particular the FIG. 8 can be seen, with an outer peripheral surface 16h on an associated bearing surface 9e on the front block 9a of the superstructure 9 and is biased over the clamping rod 16b or around the clamping rod 16b around the clamping rod biasing spring against the contact surface 9e.
  • the tension rod tension bolt 16f via which the tension rod 16b is fastened to the pivot lever 16a, is received in a receiving bore 16k extending in the extension direction A for the tension rod tension bolt 16f.
  • the receiving bore 16k penetrates the pivot lever 16a at a location eccentric to its pivot axis.
  • the tension rod 16b below the pivot point of the clamping pin 16c is attached to the rear bracket 9c on the clamping pin 16c.
  • the clamping pin 16c in this case has a nose, with which it can be clamped against abutment surfaces or edges on the undercut groove 14b in the extension arm 7b on the side facing away from the operator of the machine table 3, if over the tension rod 16b opposite to the longitudinal direction L.
  • the clamping pin 16c can be pivoted from a locking position into a release position and back via the pivoting lever 16a, which is located on the machine table rear side, but also on a front side in the local Parallelantschsverschiebenut 14a recorded, guided section 24, 16g a locking (or release) of the rip fence module be accomplished. It is held against the front not only against the clamping force of the clamping pin (which would be conceivable), but a separate, the rip fence module in the front guide rail 14a also locks alone (and releasing) locking device operated. The rip fence module can therefore be stretched on the one hand via the clamping pin 16c behind and on a described below, associated counter-holding device on the front of the two extension arms 6a, 6b and locked so. In addition, the rip fence module can be clamped on the front extension arm 6a via the lock on the front side in the local rip fence displacement groove 14a, guided section 24, 16g. Overall, this results in a very small angle error of the tension.
  • FIG. 5 referenced, which in FIG. 4 represents V designated detail.
  • the guide carriage 24 in this case has a voltage applied to an upper horizontal contact surface of the Parallelantschsverschiebenut ball bearing 24a and a in FIG. 5 unrecognizable, to the opposite, lower horizontal contact surface of the rip fence 14a adjacent ball bearing 14b (rolling position, in the removal position for removal of the rip fence module from the machine table is not one of the two ball bearings 24a, 24b on one of the contact surfaces).
  • the ball bearings 24a, 24b are pressed onto assigned bearing pins 24d, 24e, which at one end in particular one FIGS. 6 and 7 to be removed rocker 24c are attached and the other end spacers stack 24i, 24j spaced from the ball bearings 24a, 24b are provided with a pressure bar 16g.
  • rocker 24c and the bearing bolts 24d, 24e press-fitted on both ends thereby form a arm arrangement 24c, 24d, 24e which can be spread or pivoted against the horizontal abutment sliding groove 14a by a coupling pin 25a, wherein the rocker 24 is non-rotatably connected to the coupling pin 25a via a securing pin 24k.
  • the coupling pin 25a passes through a superstructure 9 fixable car body 24f and a lever 23, wherein the guide pin 25a is connected via a tongue and groove connection in an eye portion 23a of the actuating lever 23 with the lever 23.
  • the coupling pin 25a - and thus the arm assembly 24c, 24d, 24e attached thereto - into or against the longitudinal direction L one is shown in FIG FIG. 4 generally designated by 25 clutch device is provided, which in addition to the coupling pin 25a on the side facing away from the Parallelanschlagsverschiebenut a rear coupling portion 25b, 25c, 25d, via which the coupling pin 25a in the longitudinal direction L is displaceable.
  • the rear coupling portion 25b, 25c, 25d is coupled to the pivot lever 16a of the locking device 16, so that not only the clamping pin 16c can be pivoted between its locking position and its release position on this pivot lever 16a, but also the coupling pin 25a and thus ultimately to the clamping pin 25 a fixed pressure bar 16 g from its against the back of the undercut of the guide groove 14 a applied locking position in a lifted off the back of the undercut release position (and back).
  • the pressure bar 16g presses from the inside against the undercut of the guide groove 14a and at the same time also the Auszugarm 7a facing (and thus the pressure bar 16g facing) side surface of the carriage body 24f as a counter-holding surface from the outside against a corresponding contact surface of the extension arm 7a.
  • the pivot lever 16a has to a spiral around its pivot axis extending guide groove 16i, in which a guide pin 16j is added to the, compare FIGS. 8, 9 , a sliding piece 25b is suspended.
  • the sliding piece 25b has two the coupling pin 25a embracing arms on which it is suspended from the guide pin 16j.
  • the sliding piece 25b is received vertically displaceable between a vertically extending surface of the actuating lever 23 and a washer 25c.
  • the sliding piece 25b and the associated washer 25c are in the FIGS. 10 and 11 shown in detail. It can be seen that two curved coupling projections 25h are provided on the sliding piece 25b toward the washer 25c, to each of which a coupling groove 25g provided on the surface of the washer 25c facing the sliding piece 25b is associated.
  • the coupling grooves 25g begin, as in FIG. 8 can be seen at the upper end of the washer 25c and end with a rounded edge in an area in which the coupling projections 25h are, shortly before by depressing the pivot lever 16a (arrow “closed") the clamping bar 16g against the undercut of the guide rail 14a is placed.
  • the coupling projections 25h press against the lower flanks of the coupling grooves 25g and thus cause a displacement of the washer 25c against the longitudinal direction L, ie towards the operator.
  • the washer 25c is penetrated at a central bore 25f of the coupling pin 25a and screwed via a coupling screw 25d with the coupling pin 25a, so that when Betchan Trentsle the pivot lever 16a with the washer 25c and the coupling pin 25a and thus ultimately the pressure bar 16g to the operator is moved.
  • the coupling projections 25h come to rest against the underside flanks of the coupling grooves 25g, thus are in an intermediate position located between the release position and the locking position. there the pressure bar 16g is pulled against the undercut 14a of the guide groove in the extension arm 7a and aligned at right angles.
  • the length and position of the coupling grooves 25g so on the drive train 16f, 16b, 16d tuned for the rear chuck 16c that the pressure bar 16g is pressed against the undercut 14a of the guide groove in the extension arm 7a before the actual locking on the clamping lever 16a he follows.
  • the adjusting lever 23 In the release position, therefore, the adjusting lever 23 is not under tension between the carriage body 24f and the rear coupling arrangement 25b, 25c formed by the sliding piece 25b and the washer 25c, so that the rocker 24c can be moved by turning the adjusting lever 23.
  • the adjusting lever 23 In the locking position, the adjusting lever 23 is clamped between the carriage body 24f and the rear coupling arrangement 25b, 25c, so that a spread or a horizontal position of the rocker 24c or 24c of the arm 24c and the bearing pin 24d, 24e formed arm assembly 24c, 24d 24e can not be made unintentionally in this position.
  • a clutch pretensioning spring 25e which is placed around the coupling bolt 25a and which is supported on the rocker 24c on the one hand and on the carriage body 24f on the other hand (FIG. FIG. 6 ).
  • the carriage body 24f further has, on its side facing the rocker 24c, an annular projection 24g which circumferentially surrounds the clutch pretensioning spring 25e and into an associated one Recess be sunk in the rocker. The distance between the carriage body 24f and the pressure bar 16g can thus be adjusted in the release position via the screw-in depth of the coupling set screw 25d.
  • a biasing spring 241 is provided for the rocker 24c, via which the rocker 24c is biased into an expanded position, ie, a position in which the ball bearings 24a, 24b bear against the abutment surfaces of the rip fence 14a provided for this purpose.
  • the biasing spring 241 is placed on a biased with a vertical screw axis from below into the car body 24f bias spring-removal screw 24m and on the other hand supported in a recess provided on the rocker 24c in the vicinity of the bearing 24a.
  • a vertical screw axis adjusting screw is further screwed from below into the carriage body 24f, which functions as an adjustable abutment point.
  • the guide rails 6a, 6b are fastened via screw connections, not shown, on the machine table 3, the extension arms 6a, 6b, however, via fastening screws 27 (FIGS. FIG. 6 ) on the extension plate 8.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Machine Tool Units (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Claims (18)

  1. Module de butée parallèle pour une machine-outil (1), en particulier une scie circulaire à format (1), destiné à positionner des pièces, avec leur bord montrant dans la direction opposée à un outil (2), sur une table de machine (3) de manière à présenter une distance déterminée par rapport audit outil (2), comprenant
    une sur-structure (9) qui s'étend, au moins par sections, sur ladite table de machine (3) et qui présente une butée de pièce (9d) pour la pièce à usiner, s'étendant dans une direction longitudinale (L),
    au moins une section guidée (24, 16g) qui peut être insérée et guidée dans une rainure de guidage (14a) associée prévue sur la table de machine et s'étendant dans une direction de sortie (A) transversalement à la direction longitudinale (L), et par laquelle ladite sur-structure (9) est appuyée de manière mobile dans la rainure de guidage (14a), dans la direction de sortie (A), par rapport à l'outil (2), et
    un dispositif d'arrêt (16) apte à être commuté entre une position d'arrêt et une position de libération, pour arrêter ledit module de butée parallèle dans ladite position d'arrêt lorsque ladite section guidée (24, 16g) est immobilisée par rapport à ladite rainure de guidage (14a) et pour autoriser, dans la position de libération, un déplacement de ladite section guidée (24, 16g) dans la rainure de guidage (14a),
    caractérisé par le fait que
    ladite section guidée (24, 16g) présente un chariot de guidage (24) qui peut être inséré, au moins par sections, dans ladite rainure de guidage (14a) et qui, à son tour, comprend un nombre de roulements à billes ou à rouleaux (24a, 24b) par lesquels ledit chariot de guidage (24) inséré dans ladite rainure de guidage (14a) est mobile en roulement sur des surfaces de roulement associées de la rainure de guidage (14a) dans la position de libération, ledit chariot de guidage (24) comprenant un corps de chariot (24f) qui est fixé sur ladite sur-structure (9) et sur lequel le nombre de roulements à billes ou à rouleaux (24a, 24b) est reçu avec une distance modifiable par rapport à la surface de roulement respectivement associée, et
    la distance entre une position de roulement dans laquelle chacun du nombre de roulements à billes ou à rouleaux (24a, 24b) s'appuie sur une surface de roulement dans ladite rainure de guidage (14a) et une position de prise, sans appui, pour prendre dans ladite rainure de guidage (14a) le chariot de guidage (24) inséré dans la rainure de guidage (14a), pouvant être modifiée.
  2. Module de butée parallèle selon la revendication 1, caractérisé par le fait que la distance entre chacun des roulements à billes ou à rouleaux (24a, 24b) et la surface de roulement associée peut être modifiée dans la direction verticale, le nombre de roulements à billes ou à rouleaux (24a, 24b) étant reçu de préférence via un ensemble de bras mobile (24c, 24d, 24e) sur ledit corps de chariot (24f) avec la distance modifiable, et que, de préférence, un dispositif de précontrainte (24l) est prévu par lequel ledit ensemble de bras (24c, 24d, 24e) est précontraint dans la position de roulement dans laquelle lesdits roulements à billes ou à rouleaux (24a, 24b) sont écartés contre des surfaces de roulement associées dans ladite rainure de guidage (14a).
  3. Module de butée parallèle selon la revendication 1 ou 2, caractérisé par le fait que ledit dispositif d'arrêt (16) présente une baguette de pression (16g) apte à être reçue dans ladite rainure de guidage (14a) associée, ladite baguette de pression (16g) pouvant être déplacée - via un dispositif d'accouplement (25) se prenant selon la direction longitudinale (L) dans la rainure de guidage (14a) - par rapport au corps de chariot (24f), dans la direction longitudinale (L), entre une position d'arrêt dans laquelle elle est pressée contre une face arrière d'une contre-dépouille de la rainure de guidage (14a), qui s'étend dans la direction de sortie, et une position de libération dans laquelle elle est espacée de la face arrière de ladite contre-dépouille.
  4. Module de butée parallèle selon la revendication 3, caractérisé par le fait que ledit corps de chariot (24f) présente, dans sa zone montrant vers ladite baguette de pression (16g), une contre-face de maintien pour une face d'appui sur une face avant de la contre-dépouille de sorte que ladite contre-face de maintien s'appuie sur la face d'appui associée dans la position d'arrêt et ne le fait pas dans la position de libération.
  5. Module de butée parallèle selon l'une quelconque des revendications précédentes, caractérisé par le fait que pour modifier manuellement la distance séparant chaque roulement à billes ou à rouleaux (24a, 24b) de la surface de roulement respectivement associée sur la rainure de guidage (14a), on prévoit un levier de réglage (23) qui est couplé de préférence via ledit dispositif d'accouplement (25) à l'ensemble de bras (24c, 24d, 24e) de telle sorte que ledit ensemble de bras (24c, 24d, 24e) peut être déplacé, au moins dans la position de libération du dispositif d'arrêt (16), entre ladite position de prise et ladite position de roulement.
  6. Module de butée parallèle selon l'une quelconque des revendications 2 à 5, caractérisé par le fait que ledit ensemble de bras (24c, 24d, 24e) comprend une balance (24c) montée à pivotement sur ledit corps de chariot (24f), avec deux tourillons (24d, 24e) fixés sur des côtés opposés de ladite balance (24c), sur lesdits tourillons (24d, 24e) étant reçu respectivement au moins un roulement à billes ou à rouleaux (24a, 24b).
  7. Module de butée parallèle selon la revendication 6, caractérisé par le fait que ledit dispositif d'accouplement (25) présente un boulon d'accouplement (25) qui s'étend dans la direction longitudinale (L) et est reçu à rotation dans ledit corps de chariot (24f) et sur le côté duquel, qui montre vers la rainure de guidage (14a) est reçu à pivotement ledit ensemble de bras (24c) d'une part et sur lequel est fixée ladite baguette de pression (16g) d'autre part, de préférence aux extrémités libres des tourillons (24d, 24e).
  8. Module de butée parallèle selon la revendication 7, caractérisé par le fait que ledit levier de réglage (23) comprend une section à l'oeil (23a) qui est traversée par ledit boulon d'accouplement (25) et fixe en rotation avec le boulon d'accouplement (24h) et par laquelle, de son côté montrant vers ladite balance (24c), il est contigu au corps de chariot (24f), et que du côté de ladite section à l'oeil (23a) montrant dans la direction opposée à la balance (24c) est prévue une section arrière d'accouplement (25b, 25c, 25d) qui couple ledit boulon d'accouplement (25a) à un dispositif de commande (16a) du dispositif d'arrêt (16) et par laquelle ledit boulon d'accouplement (25a) et ainsi ladite baguette de pression (16g) est déplaçable entre la position d'arrêt et la position de libération.
  9. Module de butée parallèle selon la revendication 8, caractérisé par le fait que ladite section arrière d'accouplement (25b, 25c, 25d) présente une pièce coulissante (25b) qui est reçue sur ledit dispositif de commande (16a) de manière à être guidée dans la direction verticale et qui embrasse ledit boulon d'accouplement (25a) sur les
    e côtés de celui-ci situés dans et à l'encontre de la direction de sortie (A), ainsi qu'une rondelle (25c) qui est fixée sur le boulon d'accouplement (25a) du côté de la pièce coulissante (25b) qui montre dans la direction opposée au levier de réglage (23), sur ladite pièce coulissante (25b) étant prévue au moins une projection d'accouplement (25h) dirigée vers ladite rondelle (25c), et sur ladite rondelle (25c) étant prévue, pour chaque projection d'accouplement (25h), une rainure de commande d'accouplement (25g) montrant vers elle et s'étendant dans la direction verticale, et ladite rainure de commande d'accouplement (25g) présente une extrémité qui, sur la face inférieure, va en montant avec un flanc arrondi ou angulaire et sur laquelle ladite projection d'accouplement (25h) vient s'appuyer en position intermédiaire que l'on dépasse lorsque l'opérateur fait passer ledit dispositif de commande (16a) du dispositif d'arrêt (16) de la position de libération dans la position d'arrêt.
  10. Module de butée parallèle selon la revendication 9, caractérisé par le fait qu'un ressort de précontrainte d'accouplement (25e) est prévu entre le corps de chariot (24f) et ladite balance (24c), qui précontraint la balance (24c) dans la direction de la position de libération, la déviation maximale du ressort de précontrainte d'accouplement (25e) étant réglable par le biais d'une vis de réglage d'accouplement (25d) par laquelle ladite rondelle (25c) traversée par le boulon d'accouplement (25a) est fixée sur le boulon d'accouplement (25a) du côté de la pièce coulissante (25b) qui montre dans la direction opposée au levier de réglage (23).
  11. Module de butée parallèle selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'on prévoit en tant que dispositif de commande (16a) du dispositif d'arrêt (16) un levier de pivotement (16a) qui est reçu sur ladite sur-structure (9) de manière à pouvoir pivoter autour d'un axe de pivotement s'étendant dans la direction de sortie (A), entre la position de libération et la position d'arrêt et qui présente au moins une section de guidage (16i, 16k) laquelle s'étend excentriquement par rapport à son axe de pivotement et par laquelle ledit dispositif d'arrêt (16) est commutable et, de préférence, le dispositif d'accouplement (25) est couplé au levier de pivotement (16a).
  12. Module de butée parallèle selon la revendication 11, caractérisé par le fait que ledit levier de pivotement (16a) présente, en tant que section de guidage (16i) excentrique, une rainure de guidage (16i) qui s'étend excentriquement par rapport à son axe de pivotement et dans laquelle ladite pièce coulissante (25b) est reçue par une goupille de guidage (16j) qui relie, sur la face supérieure, les bras de celle-ci lesquels embrassent ledit boulon d'accouplement (25a), de sorte que ladite pièce coulissante (25b) peut être manoeuvrée via ledit levier de pivotement (16a) dans la direction verticale.
  13. Module de butée parallèle selon l'une quelconque des revendications précédentes, caractérisé par le fait que ladite sur-structure (9) est réalisée sous forme d'une sur-structure à portique (9) s'étendant, dans la direction longitudinale (L), complètement sur ladite table de machine (3), ledit dispositif d'arrêt (16) présentant - du côté arrière de la table de machine (3), qui montre dans la direction opposée à l'opérateur - un tenon de serrage (16c) qui est couplé via une tige de serrage (16b) traversant la sur-structure à portique (9) dans la direction longitudinale (L), au dispositif de commande (16a) prévu, sur la face avant, sur ladite sur-structure, et qui peut être poussé par le dispositif de commande (16a) et par ladite tige de serrage (16b) dans une rainure de guidage (14b) associée prévue sur la table de machine (position d'arrêt) et peut être déplacé dans la position de libération mobile transversalement à la direction longitudinale (L).
  14. Module de butée parallèle selon la revendication 13, caractérisé par le fait que ledit levier de pivotement (16a) présente, en tant que section excentrique de guidage (16k), sur un endroit situé excentriquement par rapport à son axe de pivotement, une rainure de logement (16i) pour un boulon de traction de tige de serrage (16f), qui s'étend parallèlement audit axe de pivotement et dans laquelle est reçue ladite tige de serrage (16b) via le boulon de traction de tige de serrage (16f) fixé sur celle-ci, et que ledit tenon de serrage (16c) est suspendu à rotation sur la sur-structure (9) sur un axe d'articulation (16d) s'étendant dans la direction de sortie (A), ladite tige de serrage (16b) se prenant sur ledit tenon de serrage (16c) au-dessous dudit axe d'articulation (16d) de sorte que le tenon de serrage (16c) peut être pivoté par ledit levier de pivotement (16a) autour de l'axe d'articulation (16d).
  15. Module de butée parallèle selon l'une quelconque des revendications précédentes, caractérisé par le fait que ladite sur-structure (9) comprend un profilé de support (9b) qui est fixé entre un support avant (9a) et un support arrière (9c) et contre lequel un rail en équerre (9d) formant butée de pièce peut être serré au moyen d'un dispositif de serrage de rail en équerre (17) et être libéré pour un déplacement dans la direction longitudinale (L).
  16. Module de butée parallèle selon la revendication 15, caractérisé par le fait que ledit rail en équerre (9d) présente une rainure contre-dépouillée s'étendant dans la direction longitudinale (L) et ledit dispositif de serrage de rail en équerre (17) comprend une baguette de pression (17c) reçue dans ladite rainure contre-dépouillée ainsi qu'une vis de serrage (17b) avec un ressort de serrage (17d), ladite vis traversant ledit profilé de support (9b) et étant vissée avec ladite baguette de pression (17c) et ledit ressort étant destiné à précontraindre la baguette de pression (17c) dans la direction opposée au profilé de support (9b).
  17. Machine à travailler le bois (1), en particulier scie circulaire (1), comprenant une table de machine (3) traversée par un outil (2), en particulier par une lame de scie, ainsi qu'une butée parallèle destinée à positionner une pièce, avec son bord montrant dans la direction opposée à l'outil (2), sur la table de machine (3) de manière à présenter une distance déterminée par rapport audit outil (2), afin de réaliser - lorsque la pièce est positionnée - un mouvement relatif dans la direction longitudinale (L), de ladite pièce et de l'outil (2) l'un par rapport à l'autre, en particulier de faire défiler la pièce devant ledit outil (2),
    ladite butée parallèle comprenant une sur-structure (9) qui s'étend, au moins par sections, sur ladite table de machine (3) et qui présente une butée de pièce (9d) pour la pièce à usiner, s'étendant dans la direction longitudinale (L), et au moins une section guidée (24, 16g) qui est guidée dans une rainure de guidage (14a) associée prévue sur la table de machine, de manière à être mobile dans une direction de sortie (A) transversalement à la direction longitudinale (L), et par laquelle ladite sur-structure (9) de la butée parallèle est appuyée de manière mobile dans la rainure de guidage (14a), dans la direction de sortie (A), par rapport à l'outil (2), et
    un dispositif d'arrêt (16) étant prévu, apte à être commuté entre une position d'arrêt et une position de libération, pour arrêter ladite section guidée (24) dans la position d'arrêt dans ladite rainure de guidage (14a) et pour autoriser, dans la position de libération, un déplacement de ladite section guidée (24, 16g) dans la rainure de guidage (14a),
    caractérisée par le fait que
    ladite section guidée (24, 16g) présente un chariot de guidage (24) qui peut être inséré, au moins par sections, dans ladite rainure de guidage (14a) et qui, à son tour, comprend un nombre de roulements à billes ou à rouleaux (24a, 24b) par lesquels ledit chariot de guidage (24) inséré dans ladite rainure de guidage (14a) est mobile en roulement sur des surfaces de roulement associées de la rainure de guidage (14a) dans la position de libération,
    ledit chariot de guidage (24) comprenant un corps de chariot (24f) qui est fixé sur ladite sur-structure (9) et sur lequel le nombre de roulements à billes ou à rouleaux (24a, 24b) est reçu avec une distance modifiable par rapport à la surface de roulement respectivement associée, et
    la distance entre une position de roulement dans laquelle chacun du nombre de roulements à billes ou à rouleaux (24a, 24b) s'appuie sur une surface de roulement dans ladite rainure de guidage (14a) et une position de prise, sans appui, pour prendre dans ladite rainure de guidage (14a) le chariot de guidage (24) inséré dans la rainure de guidage (14a), pouvant être modifiée, et
    ladite machine à travailler le bois (1) présentant en particulier les caractéristiques mentionnées dans l'une quelconque des revendications précédentes 2 à 16.
  18. Machine à travailler le bois (1) selon la revendication 17, caractérisée par un élément extensible (5) qui, pour élargir la table de machine (3), comprend une plaque extensible (8) dont la surface supérieure, en particulier, est en alignement avec la table de machine (3) et qui peut être positionnée dans une direction de sortie (A) à côté de ladite table de machine (3), ainsi que deux bras extensibles (7a, 7b) qui sont fixés sur ladite plaque extensible (8) et sont reçus et guidés dans ladite direction de sortie (A) dans deux rails de guidage (6a, 6b) aptes à être fixés sur la table, de sorte que la distance de ladite plaque extensible (8) par rapport à la table de machine (3) peut être modifiée, au moins l'un des bras extensibles (7a, 7b) présentant une rainure de guidage (14a, 14b) pour ladite section guidée (24, 16g) de la butée parallèle.
EP20090400046 2009-09-12 2009-09-12 Machine de traitement du bois et module de butée parallèle approprié Not-in-force EP2295212B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT09400046T ATE542651T1 (de) 2009-09-12 2009-09-12 Holzbearbeitungsmaschine und dafuer geeignetes parallelanschlagmodul
EP20090400046 EP2295212B1 (fr) 2009-09-12 2009-09-12 Machine de traitement du bois et module de butée parallèle approprié
CA 2714838 CA2714838C (fr) 2009-09-12 2010-09-09 Machine a bois et module a guide longitudinal approprie
US12/923,236 US8789450B2 (en) 2009-09-12 2010-09-10 Wood working machine and suitable rip fence module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090400046 EP2295212B1 (fr) 2009-09-12 2009-09-12 Machine de traitement du bois et module de butée parallèle approprié

Publications (2)

Publication Number Publication Date
EP2295212A1 EP2295212A1 (fr) 2011-03-16
EP2295212B1 true EP2295212B1 (fr) 2012-01-25

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US (1) US8789450B2 (fr)
EP (1) EP2295212B1 (fr)
AT (1) ATE542651T1 (fr)
CA (1) CA2714838C (fr)

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DE9307673U1 (de) * 1993-05-19 1993-09-30 Georg Ott Werkzeug- und Maschinenfabrik GmbH & Co, 89073 Ulm Gehrungsanschlag für Werkzeugmaschinen
US5722308A (en) * 1995-10-10 1998-03-03 Black & Decker Inc. Movable fence for a machine tool
TW494057B (en) * 1999-06-09 2002-07-11 Sb Power Tool Co Table saw and rip fence for use with a table saw
US7073422B2 (en) * 2002-08-20 2006-07-11 Precision Automation, Inc. Linkage device for linear positioning apparatus
US7574949B2 (en) * 2003-07-31 2009-08-18 Hadaway Jeffrey P Computer numerically controlled table saw fence
JP4672325B2 (ja) * 2004-10-04 2011-04-20 株式会社マキタ 平行定規
CA2512116A1 (fr) * 2005-07-14 2007-01-14 Darrin Eugene Smith Table coulissante pour etabli
US20100071521A1 (en) * 2005-08-05 2010-03-25 Hadaway Jeffrey P Computer numerically controlled table saw fence

Also Published As

Publication number Publication date
EP2295212A1 (fr) 2011-03-16
US8789450B2 (en) 2014-07-29
ATE542651T1 (de) 2012-02-15
US20110061508A1 (en) 2011-03-17
CA2714838A1 (fr) 2011-03-12
CA2714838C (fr) 2014-11-18

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