Fastening device for a hand router on a milling table

Abstract

A fastening device (61) for fastening a hand router to the underside of a work platform (2) of a workbench (1) has radially outwardly extending projections which are associated with a base ring for the hand router and which may be introduced into associated fastening pockets by rotating the base ring in the work platform (2). The fastening pockets can be formed by fastening members (12) associated with the underside (2′) of the work platform (2).

Description

BRIEF DESCRIPTION OF THE FIGURES

Several exemplary embodiments of the invention are explained below with reference to the accompanying drawings, which show the following:

FIG. 1 shows a perspective view of a first exemplary embodiment, in a line of sight directed toward the workbench;

FIG. 2 shows a perspective view in a line of sight beneath the workbench;

FIG. 3 shows a side view according to line of sight III from FIG. 1, with a fastened hand router;

FIG. 4 shows a view from beneath according to line of sight IV from FIG. 1;

FIG. 5 shows a section according to Line V-V,

FIG. 6 shows an enlarged cutaway view according to VI from FIG. 4, showing a fastening member in the installed state;

FIG. 7 shows a perspective view of the fastening member;

FIG. 8 shows a top view according to line of sight VIII from FIG. 7;

FIG. 9 shows a section according to line IX-IX from FIG. 8;

FIG. 10 shows a front view according to line of sight X from FIG. 8;

FIG. 11 shows a section according to line XI-XI from FIG. 10;

FIG. 12 shows an enlarged cutaway view according to XII from FIG. 5, in which a fastening projection is located in the fastening pocket for the fastening member;

FIG. 13 shows an enlarged cutaway view according to XIII from FIG. 4, in which the locking member is engaged with the fastening ring;

FIG. 14 shows a perspective view of the locking member in the actuated state;

FIG. 15 shows a top view according to line of sight XV from FIG. 14;

FIG. 16 shows a section according to line XVI-XVI from FIG. 15;

FIG. 17 shows a section according to line XVII-XVII from FIG. 16;

FIG. 18 shows an enlarged cutaway view according to XVIII from FIG. 5;

FIG. 19 shows a perspective lower view of the work platform;

FIG. 20 shows a top view of the fastening ring;

FIG. 21 shows a section according to line XXI-XXI from FIG. 20;

FIG. 22 shows a lower view of the fastening ring;

FIG. 23 shows a section according to line XXIII-XXIII from FIG. 22;

FIG. 24 shows a perspective view of a second exemplary embodiment in the line of sight directed toward the workbench, the milling table also having a support stand which is adjustable in height;

FIG. 25 shows a perspective view in the line of sight below the workbench;

FIG. 26 shows an enlarged cutaway view according to XXVI from FIG. 25, the fastening ring being held for installation of the fastening members;

FIG. 27 shows a view according to FIG. 26, except that in this case the fastening ring is not held by the fastening members;

FIG. 28 shows a section according to line XXVIII-XXVIII from FIG. 25; and

FIG. 29 shows a perspective view of a further exemplary embodiment in the line of sight directed toward the workbench, the milling table having a support stand which is adjustable in height.

Claims

1. A fastening device for fastening a hand router to an underside of a work platform of a workbench, having radially outwardly extending projections which are associated with a base ring for the hand router and which may be introduced into associated fastening pockets by rotating the base ring in the work platform, wherein the fastening pockets are formed by fastening members associated with the underside of the work platform.

2. The fastening device according to claim 1, wherein the fastening projections are associated with a fastening ring which may be connected to a bottom of the base ring.

3. The fastening device according to claim 1, wherein the fastening members are associated with an edge of a depression in the underside of the work platform, said depression having an opening for the passage of a rotary drive-operable cutter for the hand router.

4. The fastening device according to claim 3, wherein the fastening members are associated with edge recesses in the depression whose width in a circumferential direction is more than twice a width of the fastening projection.

5. The fastening device according to claim 3, wherein the fastening members cover the edge of the depression, and are fixed to the work platform by means of fastening screws that are screwed through fastening openings provided in the a covered region.

6. The fastening device according to claim 1, wherein a fastening members form insert pieces.

7. The fastening device according to claim 3, wherein a side wall of the fastening pocket is formed by a ridge which is L-shaped in a horizontal projection and which contacts a border of an edge recess of the depression.

8. The fastening device according to claim 1, further comprising at least one leaf spring which extends into the fastening pocket for impingement on a fastening projection which is inserted into the fastening pocket.

9. The fastening device according to claim 6, wherein the insert pieces are made of plastic.

10. The fastening device according to claim 2, wherein at least three fastening projections which project from the fastening ring in a uniform distribution around a circumference of the fastening ring.

11. The fastening device according to claim 10, wherein the fastening projections make flush contact with a surface of the fastening ring.

12. The fastening device according to claim 3, wherein the depression is deeper than a thickness of a fastening ring, and has a circular circumferential contour which centrally accommodates the fastening ring.

13. The fastening device according to claim 2, wherein the fastening ring is fixed in a radial direction by means of fixing elements for the fastening members which act in the radial direction and which are activated when the fastening ring is rotated inward.

14. The fastening device according to claim 13, wherein the fixing elements have springs and/or beveled flanks.

15. The fastening device according to claim 13, wherein the fixing element is a spring tongue of a leaf spring member which with a second spring tongue impinges on a broad side of the fastening projection.

16. The fastening device according to claim 6, wherein the insert piece has a cover which forms a side wall.

17. The fastening device according to claim 2, wherein a hand-actuated locking member having a locking bar which may be displaced for rotationally fixing the fastening ring in a locking bar engagement opening associated with the fastening ring.

18. The fastening device according to claim 17, wherein the locking member may be actuated from a top side of the work platform.

19. The fastening device according to claim 17, wherein the locking member has a rotary handle, an end face of which in a locked position is situated beneath the top side of the work platform, and in an unlocked position projects beyond the top side of the work platform.

20. The fastening device according to claim 17, wherein the locking bar is a sliding bolt, controlled in a mortise-tenon fashion by the rotary handle, which enters a locking bar engagement opening in the fastening ring.

21. The fastening device according to claim 19, wherein the rotary handle rests on a bearing surface which resembles a screw thread.

22. The fastening device according to claim 2, wherein the fastening projections have flanks which have beveled surfaces that point in a direction of rotation.

23. The fastening device according to claim 3, wherein the fastening members are flat elements which at one section each cover a portion of an edge recess in the depression.

24. The fastening device according to claim 2, wherein the fastening ring is rotationally fixed and joined to the work platform by of screws.

25. The fastening device according to claim 1, further comprising a support stand which bears the work platform is adjustable in height.

26. A milling table having a work platform and a fastening device according to claim 1 for fastening a hand router to the underside of the work platform.