EP0320869A2 - Dispositif auxiliaire pour fraiser les queues-d'aronde - Google Patents

Dispositif auxiliaire pour fraiser les queues-d'aronde Download PDF

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Publication number
EP0320869A2
EP0320869A2 EP88120785A EP88120785A EP0320869A2 EP 0320869 A2 EP0320869 A2 EP 0320869A2 EP 88120785 A EP88120785 A EP 88120785A EP 88120785 A EP88120785 A EP 88120785A EP 0320869 A2 EP0320869 A2 EP 0320869A2
Authority
EP
European Patent Office
Prior art keywords
guide plate
auxiliary device
board
slots
boards
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.)
Withdrawn
Application number
EP88120785A
Other languages
German (de)
English (en)
Other versions
EP0320869A3 (fr
Inventor
Robert Wolff
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.)
WERKZEUG-GESELLSCHAFT mbH
Original Assignee
Werkzeug-Gesellschaft mbH
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 Werkzeug-Gesellschaft mbH filed Critical Werkzeug-Gesellschaft mbH
Publication of EP0320869A2 publication Critical patent/EP0320869A2/fr
Publication of EP0320869A3 publication Critical patent/EP0320869A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
    • B27F1/08—Making dovetails, tongues, or tenons, of definite limited length
    • B27F1/12—Corner- locking mechanisms, i.e. machines for cutting crenellated joints

Definitions

  • the invention relates to an auxiliary device for milling the grooves in rectangular boards to be contracted, which consist of two separate screw clamps that can be clamped to the workbench under right-angled clamping of two boards, of which at least one is designed as an alignment screw clamp and two offset side stop faces for laterally offset Has clamping of the two boards, and consists of a fixable to the alignment screw clamp horizontal guide plate with parallel, equidistant slots for guiding a milling cutter provided with a complementary counter-guide.
  • the guide plate to be placed on the horizontally clamped board is designed as a comb with a plurality of open, parallel guide slots into which a milling tool is inserted one after the other.
  • the horizontally clamped board long wood
  • This problem can also not be remedied there by an aid stop limiting the milling stroke.
  • the invention has for its object to provide an auxiliary device which is particularly suitable for producing dovetail-shaped tine connections, which is easy to handle and with which very precise, also optically error-free tine connections can be produced.
  • the guide plate is provided with a closed, comb-like slot link, and in that the slots forming the comb teeth - in plan view - are each half in front of and behind the rear stop surface for the vertical board to be clamped.
  • the slits merge into one another in the region of the ridge of the comb via semicircular arches.
  • the auxiliary device according to the invention has the particular advantage that, on the one hand, due to the closed slot setting, the milling stroke into the long timber can only be carried out to the same extent and that only vertically clamped dovetail tines can be milled in the vertically clamped board (crosswood) regardless of the board thickness , which have approximately the shape of an axially halved truncated cone. It is now easy to ensure that no open milling groove areas are visible in the interior angle of two boards that have been joined together, and that on the outside, too - if the long timber is of sufficient strength - tines only remain visible on the side of the crosswood while they are on the side of the long wood are hidden.
  • both screw clamps are designed as alignment screw clamps, each with differently offset side abutment surfaces, and that the guide plate is provided with two correspondingly differently spaced slot guides. It is therefore possible to adjust the lateral displacement of the two boards either according to the offset dimension for the left screw clamp or according to the offset dimension for the right screw clamp Align and align the guide plate with the associated slot link to the board ends to be milled.
  • the simple construction of the auxiliary device consists of only three parts, namely the two screw clamps and the guide plate, which can be stored in a space-saving manner when not in use.
  • the guide plate is provided with open, equidistant guide slots on its long side opposite the closed slot link, and that the aligning screw clamp displaces a further stop surface offset from the side stop surface for the board to be clamped vertically. also has vertical clamping of the second board.
  • the auxiliary device according to the invention can be used primarily in connection with a mobile router which can be placed on the guide plate with a footplate and is provided as a sliding block with a socket which projects downward from the footplate and surrounds the milling cutter shaft. Further features of the invention are specified in the subclaims.
  • the auxiliary device according to FIGS. 1 to 4 consists of two screw clamps 2, 3 which can be clamped on a workbench 1 and a guide plate 4.
  • Each screw clamp 2, 3 carries on its table support leg 5, 6 a clamping clamp 7, 8 for clamping a horizontal board 9 and her back leg 10, 11 one each Further clamping clamps 12, 13 for clamping the board 14 to be aligned vertically.
  • the left screw clamp 2 is designed as an alignment screw clamp and has on its table support leg 5 a side stop surface 15 for the horizontal board 9 and on its back leg 10 a side stop surface 16 offset by a distance x for the vertical board 14.
  • the back of the vertical board 14 is placed against the contact surface 17 of the screw clamp 2 and the contact surface 18 of the screw clamp 3, and the horizontal board 9 is placed on the support surfaces 19, 20 of the screw clamps, which are pushed together to such an extent that the boards between side stop surfaces 15, 21 and 16, 22 are bordered.
  • the side stop surface 21 on the table support leg 6 for the horizontal board 9 is also offset inwards by the offset dimension x in relation to the side stop surface 22 for the vertical board 14, so that two boards 9, 14 of the same width are tightly edged on both edges by the screw clamps 2, 3.
  • Fig. 2 shows the associated guide plate 4, which is provided with a closed, comb-like slot link 23, in which the tine-forming straight slots 24 merge into each other in the area of the comb back via semicircular arches 25.
  • the center distance M between two slots 24 is twice the displacement distance x for the screw clamps.
  • the guide plate 4 is provided on its left rear corner with a corner recess 26 to which a corresponding projection 27 on the back leg 28 of the clamping clamp 7 is assigned.
  • the lead 27 is in this case arranged opposite the lateral stop surface 15 of the screw clamp 2 and the guide plate 4 is dimensioned such that, in the stop position illustrated in FIGS. 1 and 2, the first guide slot 24 is offset by so much with respect to the side stop surface 15 that a stable residual tine 29 ( see FIG. 5) in the horizontal board 9.
  • the guide plate 4 is also placed on the back leg 30 of the clamping clamp 8, and in the clamping position according to FIG. 1 the slots 24 are each half length 1/2 in front and behind the rear contact surfaces 17, 18 for the
  • the slot link 23 of the guide plate 4 is provided at one end with an enlarged passage opening 31 through which the conical milling head 32 of a router 33 is inserted, the router having a base plate 34 seated on the guide plate 4, cf. Fig. 4.
  • a socket 35 protrudes from the base plate 34, which surrounds the milling cutter shaft and is guided as a sliding block in the slot link 23.
  • approximately semi-conical tines 36 are milled freely during milling in the vertically clamped transverse wood 14, while in the long wood 9 equally dimensioned semi-conical grooves 37 are formed.
  • the protruding board width in the area of the tines 36 is completely milled away - valid for a certain board thickness range, so that after the two boards 9, 14 have been joined together, the galvanizing image according to FIG. 6 results, in which the tines are only of outside and only visible on the side of the cross member 14.
  • the guide plate 4 according to FIG. 2 is provided on its longitudinal side opposite the closed slot link 23 with open, equidistant guide slots 38 and also has a recess 39 on the opposite longitudinal edge as an alignment aid, which likewise interacts with the alignment projection 27 in the manner described. 7 and 8, two boards 40, 41 are clamped one on top of the other in a vertical orientation by means of the clamping clamps 12, 13, the guide plate 4 in a position turned through 180 ° on the back legs 28, 30 of the two Horizontal board clamps 7, 8 abut.
  • the guide plate 4 is clamped here with the interposition of an auxiliary board 42 by means of the clamping clamps 7, 8 and carries the attached router 33, which is equipped here with a end mill 43.
  • the boards 40, 41 are aligned in height such that the depth of cut is equal to the thickness of the boards.
  • the rectangular tines 44, 45 and rectangular grooves 46, 47 illustrated in FIG. 9 are formed in the two boards, which can then be galvanized in the manner illustrated in FIG. 10 .
  • the two boards are laterally offset from one another by exactly the dimension x, for which purpose on the back leg 10 of the alignment screw clamp 2 (see FIG. 3) there is a side stop surface 48 for the vertically clamped front board 41 is provided.
  • the left screw clamp 49 is the same as the screw clamp 2 according to FIG. 3 with the only difference that here the projection 27 on Back leg 28 of the clamp 7 is missing and the guide plate 51 is provided with corresponding alignment projections 52, 53 for this purpose.
  • the side stop surface 54 for the horizontal board 9 and the side stop surface 55 for the vertical board 14 are offset from one another by a larger offset dimension y, cf. Fig. 13.
  • the boards 9, 14 and the guide plate are aligned with the left screw clamp 49 and are offset from one another in accordance with the offset dimension x.
  • the boards are provided with appropriate tines and tine grooves here, as has been explained with reference to FIGS. 1 to 10.
  • the boards 9, 14 and the associated guide plate 56 are aligned with the right screw clamp 50, the two boards 9, 14 now being offset from one another by the larger offset dimension y.
  • the guide plate 56 according to FIG. 14 is to be used, in which the center distance between two adjacent slots 57 or the slots 58 of the slot link 59 is twice the offset dimension y.
  • the guide plate 56 is aligned with its position projections 60 and 61 on the right screw clamp 50, and correspondingly larger cutters are used here.
  • the pair of screw clamps 49, 50 according to FIGS. 11 and 13 can be used in connection with the two guide slats 51, 56 both for the formation of dovetail galvanizing and of open finger galvanizing for two prong sizes in each case.
  • the two screw clamps 49, 50 a guide plate 62 according to FIG. 15, which at the same time has the two closed slot guides 23 and 59 for forming dovetail galvanizations of different tine dimensions.
  • the guide plate 62 has alignment projections 63, 64 at two diametrically opposite corners.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Connection Of Plates (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Milling Processes (AREA)
EP19880120785 1987-12-17 1988-12-13 Dispositif auxiliaire pour fraiser les queues-d'aronde Withdrawn EP0320869A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873742754 DE3742754A1 (de) 1987-12-17 1987-12-17 Hilfsvorrichtung zum zinkenfraesen
DE3742754 1987-12-17

Publications (2)

Publication Number Publication Date
EP0320869A2 true EP0320869A2 (fr) 1989-06-21
EP0320869A3 EP0320869A3 (fr) 1991-05-15

Family

ID=6342803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880120785 Withdrawn EP0320869A3 (fr) 1987-12-17 1988-12-13 Dispositif auxiliaire pour fraiser les queues-d'aronde

Country Status (2)

Country Link
EP (1) EP0320869A3 (fr)
DE (1) DE3742754A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832347A1 (fr) * 2001-11-21 2003-05-23 Christian Florence Dispositif pour guider les outils coupants lors de la realisation d'assemblage
WO2006053449A1 (fr) * 2004-11-18 2006-05-26 Patrick Burli Gabarits pour la confection d’assemblages pour poutraisons en bois
USD559287S1 (en) 2006-08-22 2008-01-08 Black & Decker Corporation Variable-spaced finger assembly
USD559875S1 (en) 2006-08-22 2008-01-15 Black & Decker Corporation Half-blind router bit depth guide
USD560235S1 (en) 2006-08-22 2008-01-22 Black & Decker Corporation Sliding tapered dovetail and fixed half-blind dovetail template
USD569882S1 (en) 2006-08-22 2008-05-27 Black & Decker Inc. Miniature variable-spaced finger assembly
USD571836S1 (en) 2006-08-22 2008-06-24 Black & Decker Inc. Box joint template
USD573615S1 (en) 2006-08-22 2008-07-22 Black & Decker Inc. Dust collector
USD574864S1 (en) 2006-08-22 2008-08-12 Black & Decker Inc Mortise and tenon assembly
USD575312S1 (en) 2006-08-22 2008-08-19 Black & Decker Inc. Outrigger for a jig apparatus
USD577752S1 (en) 2006-08-22 2008-09-30 Black & Decker Inc. Jig apparatus
US7434604B2 (en) 2004-07-30 2008-10-14 Black & Decker Inc. Jig apparatus
US7455089B2 (en) 2004-07-30 2008-11-25 Black & Decker Inc. Jig apparatus
US7857020B2 (en) 2004-07-30 2010-12-28 Black & Decker Inc. Jig apparatus
USD991060S1 (en) 2021-07-21 2023-07-04 Kreg Enterprises, Inc. Corner radius template having a slot that receives a template piece

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800840A (en) * 1972-07-26 1974-04-02 Vermont American Corp Dovetail fixture
DE2524247A1 (de) * 1975-05-31 1976-12-09 Robert Wolff Fraeslehre fuer das fraesen der schwalbenschwanznuten bei rechtwinklig zusammenzuzinkenden brettern
DE2621746A1 (de) * 1976-05-15 1977-12-08 Robert Wolf Fraeslehre fuer das fraesen von schwalbenschwanznuten bei rechwinklig zusammenzuzinkenden brettern
US4373562A (en) * 1980-10-17 1983-02-15 Vernon Joseph O Spline joints and method and apparatus for making same
US4428408A (en) * 1981-10-05 1984-01-31 Grisley Kenneth M Dovetailing jig
DE3537992A1 (de) * 1985-10-25 1987-05-07 Robert Wolff Oberfraesenfuehrer fuer eine gitterartige zinkenfraeslehre

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832347A1 (fr) * 2001-11-21 2003-05-23 Christian Florence Dispositif pour guider les outils coupants lors de la realisation d'assemblage
US7434604B2 (en) 2004-07-30 2008-10-14 Black & Decker Inc. Jig apparatus
US7857020B2 (en) 2004-07-30 2010-12-28 Black & Decker Inc. Jig apparatus
US7819146B2 (en) 2004-07-30 2010-10-26 Black & Decker Inc. Jig apparatus
US7455089B2 (en) 2004-07-30 2008-11-25 Black & Decker Inc. Jig apparatus
WO2006053449A1 (fr) * 2004-11-18 2006-05-26 Patrick Burli Gabarits pour la confection d’assemblages pour poutraisons en bois
USD560235S1 (en) 2006-08-22 2008-01-22 Black & Decker Corporation Sliding tapered dovetail and fixed half-blind dovetail template
USD573615S1 (en) 2006-08-22 2008-07-22 Black & Decker Inc. Dust collector
USD574864S1 (en) 2006-08-22 2008-08-12 Black & Decker Inc Mortise and tenon assembly
USD575312S1 (en) 2006-08-22 2008-08-19 Black & Decker Inc. Outrigger for a jig apparatus
USD577752S1 (en) 2006-08-22 2008-09-30 Black & Decker Inc. Jig apparatus
USD571836S1 (en) 2006-08-22 2008-06-24 Black & Decker Inc. Box joint template
USD569882S1 (en) 2006-08-22 2008-05-27 Black & Decker Inc. Miniature variable-spaced finger assembly
USD559875S1 (en) 2006-08-22 2008-01-15 Black & Decker Corporation Half-blind router bit depth guide
USD559287S1 (en) 2006-08-22 2008-01-08 Black & Decker Corporation Variable-spaced finger assembly
USD991060S1 (en) 2021-07-21 2023-07-04 Kreg Enterprises, Inc. Corner radius template having a slot that receives a template piece

Also Published As

Publication number Publication date
DE3742754A1 (de) 1989-06-29
EP0320869A3 (fr) 1991-05-15

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