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Vibrating screen assembly with integrated gasket and frame

Imported: 24 Feb '17 | Published: 06 Jan '04

Terry L. Baltzer, Russell Allen Riddle

USPTO - Utility Patents

Abstract

A vibrating screen assembly having a tubular frame. The tubular frame includes a pair of opposed tubular sides and a pair of opposed tubular ends. An upstanding lip extending from each side and extending from each end forms a rim enclosure. A ledge extends inwardly from the opposed sides. A perforated plate with a plurality of screen cloths thereon is positioned within the rim enclosure and secured to a planar surface of the frame. A slot in the tubular sides and tubular ends forms a continuous channel and an elastomeric gasket is press fit into the slot and held therein without adhesives or fasteners.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a top view of a frame which is an element of a vibrating screen assembly constructed in accordance with the present invention;

FIG. 2 is a sectional view of the frame taken along section line

2

2 of FIG. 1;

FIG. 3 is a sectional view of the frame taken along section line

3

3 of FIG. 1;

FIG. 4 is a bottom view of the frame shown in FIG. 1;

FIG. 5 is an end view of the frame shown in FIG. 4;

FIG. 6 is a side view of the frame shown in FIG. 4;

FIG. 7 is a top view of a perforated plate which is an element of the vibrating screen assembly of the present invention;

FIG. 8 is a perspective view of the frame of the present invention shown in FIG. 1 with portions cut away in two areas;

FIGS. 9 and 10 are enlarged views of the cut-away portions in FIG. 8;

FIG. 12 is an exploded view of a vibrating screen assembly shown in FIGS. 1 through 12;

FIG. 13 is an exploded view of an alternate embodiment of a vibrating screen assembly constructed in accordance with the present invention;

FIG. 14 is a view of an underside of a frame of the screen assembly shown in FIG. 14;

FIG. 15 is a top view of the frame shown in FIG. 15;

FIG. 16 is a sectional view of a frame with an elastomeric gasket installed therein;

FIG. 17 is an enlarged view of a portion of the frame and gasket shown in FIG. 17;

FIG. 18 is an exploded view of the portion of the frame and gasket shown in FIG. 18;

FIG. 19 is a cross-sectional view of a portion of a frame and a gasket found in the prior art; and

FIGS. 20 through 23 illustrate various configurations of the frame and integrated gasket utilizing the teachings of the present invention.

Claims

1. A vibrating screen assembly which comprises:

2. A vibrating screen assembly as set forth in claim 1 including a slot in said tubular ends which aligns with said slot in said tubular sides.

3. A vibrating screen assembly as set forth in claim 1 wherein said at least one screen cloth is bonded to a perforated plate and wherein said perforated plate rests on said frame and is positioned thereon by said rim enclosure.

4. A vibrating screen assembly as set forth in claim 1 wherein said tubular cross supports are welded to said opposed tubular sides.

5. A vibrating screen assembly as set forth in claim 1 including a plurality of said screen cloths.

6. A vibrating screen assembly as set forth in claim 1 wherein said sides and said ends are cut to size from extruded lengths.

7. A vibrating screen assembly as set forth in claim 6 wherein said sides and said ends are fabricated from aluminum.

8. A vibrating screen assembly as set forth in claim 3 wherein said screen cloths are bonded to said perforated plate by heat and pressure.

9. A vibrating screen assembly as set forth in claim 3 wherein said perforated plate and said screen cloths are secured to said frame by adhesive.

10. A vibrating screen assembly as set forth in claim 1 wherein said slot is in an underside of said sides and said ends opposed to said planar surface and forms a continuous channel.

11. A vibrating screen assembly as set forth in claim 1 wherein said elastomeric gasket is elastomeric, compressible and resilient.

12. A vibrating screen assembly as set forth in claim 1 wherein said elastomeric gasket is fabricated from neoprene.

13. A vibrating screen assembly as set forth in claim 1 wherein said gasket is fabricated from polyethylene.

14. A vibrating screen assembly as set forth in claim 1 wherein said gasket is cut to size from extruded lengths.

15. A vibrating screen assembly as set forth in claim 1 wherein said elastomeric gasket has a lower surface to rest on a vibrating shaker, a reduced portion having a width less than a width of said slot, and an upper portion having a width larger than said width of said slot.

16. A vibrating screen assembly as set forth in claim 15 wherein said gasket is neoprene.

17. A vibrating screen assembly as set forth in claim 15 wherein said gasket is polyethylene.

18. A vibrating screen assembly as set forth in claim 15 wherein said gasket has a lower surface to rest on a vibrating shaker, a reduced portion having a width less than a width of said slot, and an upper portion having a width larger than said width of said slot.

19. A vibrating screen assembly which comprises:

20. A vibrating screen assembly as set forth in claim 19 including a plurality of tubular cross supports resting on said ledge and connected to said leg.

21. A vibrating screen assembly as set forth in claim 19 wherein said side tubes and said end tubes are each extruded and cut in lengths to form said sides and ends.

22. A vibrating screen assembly as set forth in claim 19 wherein each said side tube has a side wall perpendicular to said planar surface, wherein said ledge extends perpendicularly from said side wall.

23. A vibrating screen assembly as set forth in claim 19 wherein said slot is in an underside of said continuous frame opposed to said planar surface and forms a continuous channel.

24. A vibrating screen assembly as set forth in claim 19 wherein said gasket is elastomeric, compressible and resilient.

25. A vibrating screen assembly as set forth in claim 19 wherein said gasket is cut to size from extruded lengths.