WO1995000302A1 - Gabarit d'assemblage par chevilles - Google Patents

Gabarit d'assemblage par chevilles Download PDF

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Publication number
WO1995000302A1
WO1995000302A1 PCT/AU1994/000336 AU9400336W WO9500302A1 WO 1995000302 A1 WO1995000302 A1 WO 1995000302A1 AU 9400336 W AU9400336 W AU 9400336W WO 9500302 A1 WO9500302 A1 WO 9500302A1
Authority
WO
WIPO (PCT)
Prior art keywords
fence
jig
workpieces
cutter
rotary cutter
Prior art date
Application number
PCT/AU1994/000336
Other languages
English (en)
Inventor
George Lewin
Christopher John Hastie
Original Assignee
Triton Technologies Pty. Ltd.
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 Triton Technologies Pty. Ltd. filed Critical Triton Technologies Pty. Ltd.
Priority to AU69904/94A priority Critical patent/AU674423B2/en
Priority to DE4494265A priority patent/DE4494265C2/de
Priority to DE4494265T priority patent/DE4494265T1/de
Priority to GB9525752A priority patent/GB2294233B/en
Publication of WO1995000302A1 publication Critical patent/WO1995000302A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/02—Machines with table
    • B27C5/06—Arrangements for clamping or feeding work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F5/00—Slotted or mortised work
    • B27F5/02—Slotting or mortising machines tools therefor

Definitions

  • This invention relates to accessories for use with power tools and in particular to a jig adapted for use in conjunction with a fixed router equipped with a slot cutting bit so as to facilitate the cutting of slots for receiving biscuit plates as used in plate joinery.
  • Plate joinery is a method of joining wood products in a manner similar to doweling.
  • biscuit joinery uses oval shaped "biscuits" made of solid wood cut at 45° to the direction of the grain and slightly compressed with a surface embossed cross- hatched pattern.
  • the pieces of wood to be joined are provided with slots in the faces edges or ends to be joined and once the biscuits are inserted into the slots and supplied with adhesive the biscuits swell upon absorbing the adhesive and effect a particularly strong joint.
  • attachments available for right angle grinders produce a machine having a very similar configuration to the dedicated biscuit joiners.
  • the router is another popular power tool of choice for biscuit joinery because of the ready availability of slot cutters as standard router bits and because the high rotation speed of the cutter in the router is particularly well adapted for biscuit joinery.
  • the router is primarily a hand held tool and as with right angle grinders, the majority of biscuit cutting accessories for use with routers have concentrated on providing an assembly for attachment to a router as a hand held tool with the combination of router and accessory mimicking the mode of operation of a dedicated biscuit joiner.
  • US Patent 4,942,912 discloses such a router accessory comprising an attachment for fitting to the base of a router. The attachment mimics the shoe assembly of a dedicated biscuit cutter, including the reciprocally movable action of the shoe relative to the cutter.
  • this accessory is principally adapted for use with a hand held router and imposes the limitations common with dedicated biscuit joiners including the complex sliding mechanisms required to ensure parallel reciprocity of the shoe assembly relative to the blade.
  • the weight, awkwardness and start-up torque thrust of the router can all contribute to possible inadvertent movement of the tool in relation to the proposed slot, resulting in an inaccurate slot.
  • Such router accessories have the limitation where only one half of a joint can be cut during a single operation of the machine. It is not practical or even possible with any of the existing machines or accessories to cut more than one slot (or one half of a joint) without having to relocate the machine to cut the other half of the joint.
  • each workpiece to be jointed must be accurately marked to determine the position of the centre of the slot.
  • Each workpiece must then in turn be securely clamped in a vice or work holder in an orientation which presents the face end or edge to be slotted in the most safe and comfortable manner and in the correct orientation for the desired joint. This is especially difficult in the case of mitred corners, and slots in the ends of narrow stock.
  • the reciprocating fence of the tool must in these cases be precariously balanced on a very small support area.
  • the support face of the tool or attachment is only bearing on a narrow portion of the workpiece, making precise alignment of the slot parallel to the datum face difficult.
  • Tool control is consequently very difficult, especially if the tool kicks sideways upon start-up or upon the cutter entering the workpiece.
  • the requirement to move the machine and the workpieces about generally results in the moving of the workpieces away from their intended orientation in the joint which can cause confusion and result in incorrect cutting.
  • the process is slow, and there is no easy method of setting up for the identical slotting of multiple workpieces, which is often required in plate joinery.
  • One object of this invention is to provide an improved plate/biscuit joinery jig- Accordingly the invention provides a jig for guiding workpiece(s) into engagement with a rotary cutter driven by a power tool such as a router for cutting slots in the workpiece(s), said jig including an elongate fence having parallel guide faces formed with opposed windows, said fence having an internal cavity between said faces in the region of said windows for receiving the rotary cutter, means for mounting the fence for reciprocation or oscillation with respect to the cutter to allow the cutter to be alternately exposed through the opposed windows when the fence is reciprocated or oscillated to thereby form slots in workpieces held against said guide faces.
  • a stop means is adjustably mounted on top of said fence to enable accurate location of workpiece(s) to be slotted with respect to said windows. Since the jig has parallel guide faces with opposed windows, two workpieces are able to be slotted in one (oscillatory) operation by locating the workpieces against the guide faces, using a stop means if desired, and then reciprocating the fence to form a slot in each workpiece. Thus, the jig enables two workpieces to be pre-positioned in their intended connected orientation, and then without changing their relative orientations, allows the workpieces to be grooved in one rapid oscillatory action to accurately form the biscuit receiving slots in the workpieces.
  • the fence is preferably formed as an elongate element, such as an aluminium extrusion or a rectangular hollow section substantially channel shaped.
  • the mounting means comprises pivot means near one end of the fence.
  • a limit means for limiting the pivotal movement of the fence to control the depth of the slots cut in the workpieces is also fitted to the fence.
  • the limit means may be provided within the confines of the fence by providing adjustable abutments on a mounting plate secured to a supporting table or other workstation. If desired the same mounting plate can provide the pivot for the fence.
  • the limit means may be arranged externally at the free end of the fence, such as by a slotted plate having adjustable stops and engaged by means attached to the free end of the fence.
  • the fence is preferably spring biased to return to its central or inoperative position so that the cutter is always within the fence when the jig is not in use.
  • the stop means comprises a cross slide stop means adjustably and removably mounted for sliding movement along the fence.
  • the stop means preferably has guide faces at 90° and at least additionally at 45° to both fence guide faces. Alternatively, the stop guide face(s) may be angularly adjustable.
  • the opposed windows are preferably capable of being closed by one or more safety shutters to prevent finger contact with the cutter or its exposure through either window by inadvertent movement of the fence.
  • the invention provides a jig as defined above in combination with a workstation adapted to support a rotary cutter in an inverted condition.
  • the rotary cutter is preferably driven by a router.
  • Figure 1 is a perspective view from above of a jig according to one embodiment of the invention mounted on a router table top;
  • Figure 2 is a fragmentary exploded elevation showing the preferred method of mounting the cross slide to the guiding fence
  • Figure 3 is a plan view of the jig of Figure 1;
  • Figure 4 is a perspective end view of a limit stop and spring return mechanism for the jig fence;
  • Figure 5 is a plan view from beneath of the limit stop and spring return mechanism of Figure 4.
  • Figure 6 is a fragmentary sectional elevation of the limit stop and spring return mechanism
  • FIG. 7 is an enlarged fragmentary side elevation of the fence showing one window and its associated safety shutter
  • Figure 8 is a sectional end elevation of the fence showing the safety shutters; and Figure 9, shows a selection of the joints able to be fabricated using the jig embodying the invention.
  • the jig comprises an elongate fence or arm 1 comprising a hollow rectangular section member having a top wall 2, a bottom wall 2a and side walls 3 and 4 defining parallel guide faces, each of said side walls 3 and 4 being formed with opposed rectangular windows 5 and 6 dimensioned to enable passage of the cutter C of a router mounted on the workstation table top 21 to be described below.
  • the side walls 3 and 4 of the fence 1 are extended at the top by flanges 9 and 10 which extend outwardly from the top wall 2 and then inwardly to define a track 11 in the top of the fence or arm 1.
  • the outward angling of the flanges 9 and 10 provide an excellent finger grip when manually holding a workpiece against the fence 1.
  • a cross-slide stop 12 is adjustably attached to the fence 1 and, slides on the side portions 9 and 10 and is clampable in any desired position on the fence 1 by means of a threaded T-nut 13 engaging a coach bolt 14 which engages a square aperture in a shaped clamping plate 15 positioned in the slot 11 to engage the inner faces of the inwardly directed portions of flanges 9 and 10, as illustrated most clearly in Figure 2 of the drawings.
  • the cross slide stop 12 has a central saddle portion 16 which is shaped to rest on the side walls 3 and 4 and supported by the upper edges of flanges 9 and 10, and is formed with perpendicular guide faces 17 and 18 and angular guide faces 19 and 20 each formed as an integral part of a sheet metal pressing to provide both rigidity and accuracy, although the cross slide stop 12 may be formed in other ways.
  • the jig embodying the invention is fitted to a workstation, such as a router table top 21, usually of pressed sheet metal construction, and the fence 1 is mounted on the table top 21 by pivot means, indicated by the general reference numeral 22, at one end of the fence 1, while limit stop means, indicated by the general reference numeral 23, is fitted to the other end of the arm and to the table top 21.
  • the pivot means 22 comprises a molded plastic "bung" having a head 24 and a shank 25 having an upper portion 26 which is a frictional fit in an opening in the base of an end closure 27 for the fence 1 having a triangular wedge shape as shown.
  • the shank 25 has a waist portion 28 and a deformable end portion 29 which engages a burst-formed hole 30 in the table top 21.
  • the end closure 27 has triangular sides 31, 32 extending from the base, and the sides have outwardly extending securing dimples 33, 34 which engage locating holes 35, 36 in the sides 3 and 4 of the fence 1 and this allows the fence 1 to be lifted at its free end to an elevated temporary rest position almost perpendicular to the table top 21, dimensioned to give access to the cutter C of the router mounted on the table top 21.
  • the end closure 27 can be made from molded plastic or formed from metal sheeting.
  • the limit stop means 23 includes two cooperating parts, the first part comprising a molded plastic vacuum attachment 37 which closes the other end of the fence and has side portions 38, 39 having dimples 40, 41 which engage locating holes 42, 43 in the sides 3, 4 of the fence 1.
  • the attachment 37 is able to pivot in the holes 42, 43, and the side portions 38, 39 have shaped cam portions 44, 45 at their lower edges which are dimensioned to engage the table top 21 as the fence 1 is lowered onto the table to pivot the attachment 37 in a clockwise direction.
  • the attachment 37 has a downward extension 46 having an inwardly directed tongue 47 which is adapted to engage a slot in the other part of the limit stop means 23 when the fence is lowered onto the table top 21.
  • the other part of the stop means 23 is shown most clearly in Figures 4 and 5, and comprises an arcuate guide plate 50 having a central slot 51 dimensioned to receive the tongue 47 and adjustable limit stops 52, 53 having clamping knobs 54, 55 which anchor the limit stops 52, 53 in any desired position along the length of the slot 51.
  • Guide marks 56 for the limit stops 52, 53 can be marked on the guide plate 50 as shown for the slot sizes to suit the three most common sizes of biscuits commercially available.
  • the guide plate 50 is bolted to the end flange of the table top 21 by means of bolts 57 engaging the holes 58 shown in Figure 4.
  • a mounting plate 59 is secured under the table top 21 by the bolts 57, 58 and a pair of fence biasing arms 60, 61 are mounted on the plate 59 on pivot pins
  • the fence biasing arms 60, 61 are spring biased by means of a tension spring 64 engaging holes 65, 66 in the arms 60, 61.
  • a central stop 67 is provided by a downwardly directed burst-formed tab in the plate 59 and the stop 67 in co-operation with spring 64 keeps the arms 60, 61 in a central rest position when the fence 1 is at rest.
  • the limit stop 67 also ensures the fence does not substantially over-run the central rest position when returned from its pivoted condition by spring 64. It will be appreciated that the tongue 47 on the downward extension 46 engages the slot 51 and is located between the down-turned ends of the arms 60,
  • the table top 21 has an opening 70, the edge of which is covered by a protective insert 71 through which the cutter C of a router R attached to the table top 21 in a standard manner (not shown) protrudes.
  • the windows 5 and 6 in the sides 3 and 4 allow the fence 1 to be pivoted to expose part of the cutter C on either side of the fence 1 to form a groove in a workpiece to a depth determined by the adjustment of the stops 52, 53.
  • the height of the cutting blade of cutter C can be adjusted by the user in its vertical height above table top 21, for slotting different thicknesses of material. To prevent finger entry, and to assist in sawdust containment, the windows
  • the shutters 75, 76 are formed from ribbed or grooved flexible plastic material formed with narrowed top end portions 78, 79 having their facing edges formed with rack teeth 80 adapted to mesh with pinion teeth 81 formed on a pinion member extending from a control knob 82 rotatably fitted to the top wall 2 of the fence 1 in the manner shown in the drawings.
  • the shutters 75 and 76 are guided for sliding vertical movement within the fence 1 by means of tabs 83 and 84 which have been struck from the sides 3 and 4 of the fence 1 as shown in Figures 7 and 8.
  • the end fitting 37 is formed with a generally cylindrical nozzle to which a suction pipe from a vacuum cleaner or other suction source can be fitted to extract sawdust from the fence 1 as the cutter operates to form slots in the workpieces.
  • a deflector D is mounted within the fence 1 on the pivot side of the windows 5, 6 to deflect the sawdust formed by the cutter C towards the suction end of the fence 1. Since the lower edges of the fence engage the table top 21, the application of suction to the fitting 37 causes an air stream to flow through the restricted openings 77 in the safety guard, past the cutter C to collect substantially all of the sawdust created during the slotting operation.
  • the sawdust collecting efficiency is further enhanced if the fence 1 is made of a rectangular hollow section extrusion with a bottom wall 2a, as described above, or if the fence 1 is a channel-section extrusion, it should preferably be fitted with "snap-in" bottom sections (not shown) on either side of the cutter hole 70.
  • the fence 1 By removing the suction hose from the fitting 37, if necessary, the fence 1 is able to be pivoted upwardly to expose the cutter C for necessary adjustment or servicing operations.
  • FIG. 9 of the drawings examples of the types of joints that can be formed using the jig embodying the invention are shown.
  • a first workpiece Wl requiring a biscuit jointing slot to be cut in the end of the workpiece is positioned on the table 21, against the guide face 17, and up against the side 3 of the fence 1 while a second workpiece W2 requiring a biscuit jointing slot to be cut in the edge is positioned on the table, against the guide face 18, and up against the side 4 of the fence 1 following which the router is activated to turn the cutter C and the fence 1 is pivoted first in one direction and then in the other to cut corresponding slots in the workpieces Wl and W2 while the workpieces are held in the orientation in which they are to be joined.
  • the guide faces 19 and 20 are used, the cross slide stop 12 being re-positioned or reversed if required, so that the mitred ends to be joined are adjacent with the windows 5 and 6. Depth of cut is controlled by adjustment of the stops 53, 54 to the desired positions corresponding to the biscuit size being used. It will be appreciated that the jig embodying the invention allows workpieces to be slotted without the need for marking and careful location of the workpiece with respect to the cutter since this function is achieved by the cross slide stop 12.
  • the jig described also allows the fence 1 to be held in any desired angular position to expose the cutter through either of the openings 5 or 6 thereby allowing longitudinal slitting or shaping/molding of workpieces guided along the length of the fence 1.
  • cross slide stop is shaped at either side to provide clearance for the maximum allowable exposure of the cutter C through either of the openings 5 and 6. This is to prevent accidental contact between the cross slide stop and the cutter. It also allows the cross slide stop to be used as a moving guide during slitting across the end-grain of small workpieces.
  • cross slide stop guide faces 19 and 20 could be made adjustable to allow workpiece supporting angles other than 90° and 45° as shown in each of the embodiments.
  • FIG. 10 A still further safety device is illustrated in Figure 10 of the accompanying drawings to provide a rest for bevel cut workpieces, and a support for workpieces standing on edge against the fence 1. It comprises an angular skate member 90 which is configured to engage the side portion 9 of the fence 1 as shown in Figure
  • the skate 90 has a generally flat portion 95 which rests on the table top 21 and is formed with raised slotted tracks 96, 97 which are engaged by grooves formed in an angular fence 98 which is capable of being clamped at any desired position in the slotted tracks 96, 97 by bolts and wing nuts as shown.
  • the fence has a pair of flat leaf springs 99, 100 mounted in openings to enable the safety fence 98 to be reversed in the case of very thin workpieces standing on edge and the springs 99, 100 engage the workpiece to press it against the vertical wall of the skate 95 engaging the main fence 1.
  • the skate member 95 can be fitted to either side of the main fence 1 and protects the user in the event that the cutter C breaks through the outer face of a thin workpiece (for example less than about 18mm thick).
  • the jig according to the embodiment of the invention can be easily retrofitted to any suitable sized router table by drilling the required holes in the table top 21 to fit the plates 50 and 59, and to fit the fence 1. If it is not practical to create a flanged hole (as in 30, Figure 1) in the table, the "snap-in" bung can be reversed and bolted to the table top 21 via an 8mm bolt hole. The head 24 then becomes a large washer and pivot centre for end closure 27. While one presently preferred embodiment and several safety devices have been described above, it should be appreciated that different mechanisms may be utilised to achieve the same or similar operation of the jig embodying the invention.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Jigs For Machine Tools (AREA)
  • Details Of Cutting Devices (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Abstract

Un gabarit d'assemblage par chevilles est conçu pour guider des pièces (W) en contact avec un couteau circulaire entraîné par un outil motorisé tel qu'un découpoir pour couper les rainures recevant les chevilles dans les pièces. Le gabarit comprend un support allongé (1) comportant des faces de guidage parallèles (3, 4) ménagées avec des fenêtres opposées (5, 6), ledit support comportant une cavité intérieure entre les dites faces (3, 4) dans la zone des fenêtres (5, 6) pour recevoir l'axe de pivotement (22) du couteau circulaire (C) à une extrémité du support, et monter de manière pivotante ledit support, par rapport à la face supérieure de la table (21) sur laquelle est monté le couteau circulaire (C) pour permettre le mouvement alternatif ou l'oscillation dudit support au couteau. Ainsi le couteau est exposé alternativement à travers les fenêtres opposées (5, 6) lorsque le support (1) est déplacé alternativement ou oscillé, et découpe les rainures recevant les chevilles dans les pièces maintenues contre les faces de guidage. Un dispositif de butée glissante réglable (12) est monté sur ledit support (1) et comporte des faces de guidage (17, 18) et des faces de guidage angulaires (19, 20) pour positionner les pièces à rainurer par rapport aux fenêtres (5, 6). Un dispositif de butée (23) est monté à l'extrémité libre dudit support (1) et comporte une butée de montage (37) pour le support (1) comprenant un abattant (47) dirigeable vers le bas et vers l'extérieur, qui s'engage dans une rainure ménagée dans une plaque de butée comprenant des butées pour limiter le mouvement circulaire du support par rapport au couteau et contrôler ainsi la profondeur de la rainure recevant la cheville, découpée dans la pièce. Le gabarit permet simultanément le rainurage des pièces en les maintenant contre le support, selon une orientation similaire à l'orientation prévue pour la jonction par cheville des pièces, et l'oscillation du support autour du pivot pour faire pénétrer le couteau dans les pièces.
PCT/AU1994/000336 1993-06-17 1994-06-17 Gabarit d'assemblage par chevilles WO1995000302A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU69904/94A AU674423B2 (en) 1993-06-17 1994-06-17 Biscuit joinery jig
DE4494265A DE4494265C2 (de) 1993-06-17 1994-06-17 Schneidlehre zum Herstellen von bogenförmigen Nuten für Lammellendübel
DE4494265T DE4494265T1 (de) 1993-06-17 1994-06-17 Schneidlehre für das Schreinern mit losen Federn
GB9525752A GB2294233B (en) 1993-06-17 1994-06-17 Biscuit joinery jig

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL9446 1993-06-17
AUPL944693 1993-06-17

Publications (1)

Publication Number Publication Date
WO1995000302A1 true WO1995000302A1 (fr) 1995-01-05

Family

ID=3776982

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1994/000336 WO1995000302A1 (fr) 1993-06-17 1994-06-17 Gabarit d'assemblage par chevilles

Country Status (5)

Country Link
CA (1) CA2165416A1 (fr)
DE (2) DE4494265C2 (fr)
GB (1) GB2294233B (fr)
NZ (1) NZ267563A (fr)
WO (1) WO1995000302A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771668A1 (fr) * 1997-12-03 1999-06-04 Materiel Et Outillage Rationne Dispositif d'immobilisation d'un protecteur de toupie
CN109278111A (zh) * 2018-11-24 2019-01-29 江门沙龙实业有限公司 一种切割机的定位装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350084A (en) * 1999-03-25 2000-11-22 Phillip Price Willetts Adaptor to convert an angle grinder to a router, a biscuit jointer or a drill
CN110815425A (zh) * 2019-12-03 2020-02-21 江苏森宝节能材料有限公司 一种镜框切角定角一体机
CN113601634A (zh) * 2021-08-05 2021-11-05 贵州贝加尔乐器有限公司 一种吉他指板加工用拉槽设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU285166A (en) * 1967-03-13 1968-09-19 Hermanus Marie Linssen Johannes Router jig or template for doors andthe like and router tool for use therewith
AU5400569A (en) * 1968-04-29 1970-10-29 Reliance Export Company (Proprietary) Limited Improvements in or relating to woodworking machines
AU3086377A (en) * 1976-11-24 1979-05-31 Edward Wolfgang Brell Adjustable jig
AU4176678A (en) * 1977-11-22 1979-05-31 Segal M Saw benches
GB2208071A (en) * 1987-05-21 1989-02-22 Julian Marks Power tool table
US5016693A (en) * 1990-05-22 1991-05-21 Delta International Machinery Corporation Guide fence for power tools
US5257654A (en) * 1992-05-22 1993-11-02 Black & Decker Inc. Biscuit joiner with retractable antiskid pins

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4942912A (en) * 1989-06-06 1990-07-24 Vermont American Corporation Router attachment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU285166A (en) * 1967-03-13 1968-09-19 Hermanus Marie Linssen Johannes Router jig or template for doors andthe like and router tool for use therewith
AU5400569A (en) * 1968-04-29 1970-10-29 Reliance Export Company (Proprietary) Limited Improvements in or relating to woodworking machines
AU3086377A (en) * 1976-11-24 1979-05-31 Edward Wolfgang Brell Adjustable jig
AU4176678A (en) * 1977-11-22 1979-05-31 Segal M Saw benches
GB2208071A (en) * 1987-05-21 1989-02-22 Julian Marks Power tool table
US5016693A (en) * 1990-05-22 1991-05-21 Delta International Machinery Corporation Guide fence for power tools
US5257654A (en) * 1992-05-22 1993-11-02 Black & Decker Inc. Biscuit joiner with retractable antiskid pins

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771668A1 (fr) * 1997-12-03 1999-06-04 Materiel Et Outillage Rationne Dispositif d'immobilisation d'un protecteur de toupie
EP0920965A1 (fr) * 1997-12-03 1999-06-09 MATERIEL ET OUTILLAGE RATIONNELS POUR L'INDUSTRIE (Société Anonyme) Dispositif d'immobilisation d'un protecteur de toupie, ensemble et machine
CN109278111A (zh) * 2018-11-24 2019-01-29 江门沙龙实业有限公司 一种切割机的定位装置

Also Published As

Publication number Publication date
GB9525752D0 (en) 1996-02-28
DE4494265T1 (de) 1996-08-22
CA2165416A1 (fr) 1994-12-18
GB2294233A (en) 1996-04-24
DE4494265C2 (de) 1997-09-18
GB2294233B (en) 1996-10-23
NZ267563A (en) 1996-08-27

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