Dish Brush for Sweeping Machines with Demountable Segmental Plate Elements provided with Brush Plugs.

Abstract

A dish brush for conventional sweeping machines has a polygonal central base plate and trapezoidal demountable or removable segmental plates each provided with multiple brush plugs. I-shaped radial profiles are equispaced about the periphery of the base plate, are welded to apices thereof, and have respective axes radially directed toward a center of the base plate. The central base plate has contour edge plates 4 fixed to a planar center portion via two of the I-shaped radial profiles and inclined at an angle relative to the planar center portion. The demountable segmental plates are each slidable to mount between two I-shaped profiles and are each bolted to a respective one of the contour edge plates.

Claims

1. Dish brush for conventional sweeping machines that clean, brush or sweep paved surfaces, comprising a polygonal central base plate and a plurality of demountable or removable segmental plates each provided with multiple brush plugs, wherein said polygonal central base plate is provided with I-shape radial profiles with respective axes radially directed toward a center of said central base plate, wherein said demountable segmental plates are trapezoidal and are each slidable with the respective brush plugs between respective two of the I-shaped radial profiles and are each locked to the central base plate by a respective single screw bolt in a single borehole.

2. (canceled)

3. Dish brush as in claim 1, wherein the central base plate has a planar center portion and a raised contour fixed to said planar center portion and inclined at an angle of up to 30 degrees relative to said planar center portion, wherein the demountable segmental plate elements are each slidable to mount between the respective two I-shaped profiles and are each fixed to the raised contour of the central base plate with said respective single screw bolt.

4. (canceled)

5. (canceled)

6. (canceled)

7. (canceled)

8. (canceled)

9. Dish brush as in claim 3, wherein said demountable segmental plate elements are each provided with a respective segmental rounded plate part on a radially outer side to give the dish brush a circular periphery, wherein the segmental rounded plate parts have a thickness equal to a thickness of the segmental plate elements.

10. Dish brush as in claim 3, wherein the raised contour comprises a plurality of contour edge plates each mounted along opposing edges to a pair of the I-shaped radial profiles.

11. Dish brush as in claim 10, wherein the contour edge plates are fixed relative to said planar center portion and are inclined at said angle relative to said planar center portion.

12. Dish brush as in claim 11, wherein said I-shaped radial profiles are disposed at apices of said planar center portion and are welded to said planar center portion, each of said contour edge plates being welded along the respective opposing edges to the respective pair of the I-shaped radial profiles.

13. Dish brush as in claim 1, wherein said demountable segmental plate elements are each provided with a respective segmental rounded plate part on a radially outer side to provide the dish brush with a circular periphery, wherein the segmental rounded plate parts have a thickness equal to a thickness of the segmental plate elements.

14. Dish brush as in claim 1, wherein the polygonal central base plate includes a planar center portion and a plurality of planar contour edge plates affixed thereto, each of the planar edge plates being inclined at an angle of up to 30 degrees relative to said planar center portion, wherein the demountable segmental plate elements each extend adjacent to an underside of, and parallel to, a respective one of the planar contour edge plates.

15. Dish brush as in claim 14, wherein the planar contour edge plates are affixed to the planar center portion via two of the I-shaped radial profiles.

16. Dish brush as in claim 15, wherein said I-shaped radial profiles are disposed at apices of said planar center portion and are welded to said planar center portion, said contour edge plates being welded to the I-shaped radial profiles.

17. Dish brush as in claim 1, wherein said I-shaped radial profiles are disposed at apices of said polygonal central base plate.

18. Dish brush for conventional sweeping machines that clean, brush or sweep paved surfaces, comprising a polygonal central base plate and a plurality of demountable or removable segmental plates each provided with multiple brush plugs, wherein said polygonal central base plate is provided along an outer periphery with a plurality of angularly spaced connector elements configured for receiving said demountable or removable segmental plates, further comprising locking or attachment elements engageable with said demountable or removable segmental plates and said polygonal central base plate, said locking or attachment elements being configured for releasably attaching said demountable or removable segmental plates to said polygonal central base plate.

19. Dish brush of claim 18 wherein said angularly spaced connector elements comprise I-shaped radial profiles with respective axes radially directed toward a center of said central base plate.

20. Dish brush of claim 19 wherein the central base plate has a planar center portion and a raised contour fixed to said planar center portion and inclined at an angle of up to 30 degrees relative to said planar center portion, wherein the demountable or removable segmental plates are each slidable to mount between respective two of said I-shaped radial profiles and are each fixed to the raised contour of the central base plate with a respective single screw bolt.

21. Dish brush as in claim 20, wherein the raised contour comprises a plurality of contour edge plates each mounted along opposing edges to a pair of the I-shaped radial profiles.

22. Dish brush as in claim 21, wherein the contour edge plates are fixed relative to said planar center portion and are inclined at said angle relative to said planar center portion.

23. Dish brush as in claim 22, wherein said I-shaped radial profiles are disposed at apices of said planar center portion and are welded to said planar center portion, each of said contour edge plates being welded along the respective opposing edges to the respective pair of the I-shaped radial profiles.

24. Dish brush as in claim 1, wherein said demountable segmental plate elements are each provided with a respective segmental rounded plate part on a radially outer side to provide the dish brush with a circular periphery, wherein the segmental rounded plate parts have a thickness equal to a thickness of the segmental plate elements.

25. Dish brush as in claim 18, wherein the polygonal central base plate includes a planar center portion and a plurality of planar contour edge plates affixed thereto, each of the planar edge plates being inclined at an angle of up to 30 degrees relative to said planar center portion, wherein the demountable segmental plate elements each extend adjacent to an underside of, and parallel to, a respective one of the planar contour edge plates.

26. Dish brush of claim 18 wherein said locking or attachment elements comprise respective single screw bolts inserted through boreholes in said demountable or removable segmental plates and said polygonal central base plate.

Description

BRIEF DESCRIPTION OF THE DRAWING

[0023] A preferred embodiment of the present invention will now be described with reference to the accompanying drawing in which;

[0024] FIG. 1 shows a view in oblique projection of the complete dish brush according to the invention;

[0025] FIG. 2 shows a top view of the dish brush of FIG. 1 and over the line II-II;

[0026] FIG. 3 shows a top view of the central base plate with a polygonal contour (hexagonal in this case) according to a preferred embodiment of the invention;

[0027] FIG. 4 shows a side view of the central base plate of FIG. 3 over the line IV-IV;

[0028] FIG. 5 shows an oblique projection of the demountable segmental plate element with a trapezium surface according to the invention; and

[0029] FIG. 6 also shows an oblique projection of the demountable segmental plate element with trapezium surface and a further segmental plate to give the total dish brushes of the FIGS. 1 and 2 a circular contour in top view.

[0030] FIG. 1 represents a view in oblique projection the complete dish brush 1 according to the invention. The complete dish brush 1 consists of two parts, the central base plate 2 and the demountable segmental plate elements 3. The central based plate had raised contour edge plates 4 and with the welded fixed I-shaped radial profiles 5 forms the hook points 6 for precisely sliding the demountable segmental plate elements 3 with their trapezium surface. Said central base plate 2 and said demountable segment plate elements 3 are fixed together with a single screw 7 in boreholes 8.

[0031] Mentioned I-shaped radial profiles 5 are directed to the centre 9 of said central plate 2. The demountable segmental plate elements 3 have a set brush plug 10 positioned in a row.

[0032] In FIGS. 2 and 3 the polygonal contour of the centre base plate 2 is reproduced in a sharp way. The same parts always have the same numbers. Both FIGS. 2 and 3 are top views of the central base plate 2. FIG. 2 shows a top view over the line II-II from FIG. 1, the whole dish brush 1 with the central base plate 2 and the demountable segmental plate elements 3. FIG. 3 only shows the central base plate 2 with the raised edge plates 4.

[0033] FIG. 4 shows a side view over the line IV-IV of figure. This figure shows the radial directed I-shaped profiles 5.

[0034] FIG. 5 shows an oblique projection of the demountable segmental plate elements 3 with the fixed brush plugs 10 with the metal holders at the bottom side. These brush plugs 10 and the demountable segmental plate elements 3 and are also made of PA (Polyamide/Nylon), PBT (Polybutylenetereftalaat), PE (Polyethylene), PP (Delrin/Polyacetate), PVC (Polyvinylchloride), Rubber, Steel, RVS, Copper, Bronze.

[0035] FIG. 6 shows an oblique projection of the demountable segmental plate element 3 with a trapezium surface and a further fixed segmental plate element 11 to provide the dish brushes of FIGS. 1 and 2 with an overall circular contour.

[0036] Finally it has to be emphasized, that a preferred embodiment of the invention is described and that it is self-evident that further modifications are possible without leaving the scope of the invention.