END CAP FOR A BEARING ASSEMBLY

• US 20120128288A1
• Filed: 11/29/2011
• Published: 05/24/2012
• Est. Priority Date: 04/04/2007
• Status: Abandoned Application

• Current Assignee: Roller Bearing Company of America Incorporated (RBC Bearings Incorporated)
• Original Assignee: Roller Bearing Company of America Incorporated (RBC Bearings Incorporated)
• Inventors: Guilford, Werner B.
• Application Number:
  US13/305,939
• Publication Number:
  US 20120128288A1
• Time in Patent Office: Days
• US Class Current: 384/489
• CPC Class Codes: F16C 13/006 Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
• CPC Class Codes: F16C 33/723 Shaft end sealing means, e.g. cup-shaped caps or covers
• CPC Class Codes: F16C 33/76 of ball or roller bearings

Abstract

An end cap for a bearing assembly includes a first body portion having a substantially annular sealing surface positioned radially away from a central axis of the first body portion. The end cap includes a second body portion extending from the first body portion, the second body portion having at least one protrusion extending radially therefrom.

Claims

1. An end cap for a bearing assembly, comprising:

a first body portion having a substantially annular sealing surface positioned radially away from a central axis of the first body portion; and

a second body portion extending from the first body portion, the second body portion having at least one protrusion extending radially therefrom.

2. The end cap of claim 1, wherein each of the at least one protrusions has a base and two side walls extending radially outward from the base and terminating at a distal end of the protrusion and wherein each of the side walls defines a seating surface thereon.

3. The end cap of claim 1, wherein the second body portion comprises a plurality of protrusions arranged adjacent to one another along a length of the second body portion.

4. The end cap of claim 1, wherein the at least a portion of the at least one protrusion extends circumferentially around the second body portion.

5. The end cap of claim 1, wherein the at least one protrusion extends circumferentially around and diagonally along a length of the second body portion.

6. The end cap of claim 1, wherein the at least one protrusion comprises a plurality of segments arranged adjacent to one another around a perimeter of the second body portion.

7. The end cap of claim 1, wherein the annular sealing surface is positioned on a peripheral portion of the first body portion.

8. The end cap of claim 1, wherein the second body portion comprises a shank projecting outwardly from the first body portion.

9. The end cap of claim 1, wherein the second body portion has an axial passage extending at least partially therethrough.

10. The end cap of claim 1, wherein a portion of the first body portion is operable to slidingly engage a portion of an outer ring of a bearing.

11. The end cap of claim 1, wherein the at least one protrusion is operable to removably secure the second body portion to an inner member disposed partially within an outer ring of a bearing, the at least one protrusion being further operable to be disposed within an interior area defined by the inner member.

12. The end cap of claim 11, wherein the at least one protrusion is operable to frictionally engage the interior area.

13. The bearing of claim 1, wherein the first body portion defines a lip projecting therefrom and a portion of the lip defines the substantially annular sealing surface.

14. The bearing of claim 1, wherein the protrusions comprise a resilient material.

15. A bearing comprising:

an outer ring having a substantially cylindrical internal bearing surface;

an inner member having a bore defined by an interior surface of the inner member and extending at least partially into the inner member, the inner member has a substantially cylindrical external bearing surface a portion of which is coaxially disposed within the outer ring, and

the external bearing surface and the internal bearing surface defining an annular cavity therebetween;

a plurality of rolling elements disposed within the annular cavity, the rolling elements being in rolling engagement with the external bearing surface and the internal bearing surface; and

an end cap having a first body portion having a substantially annular sealing surface positioned radially away from a central axis of the first body portion;

the end cap having a second body portion extending from the first body portion, the second body portion having at least one protrusion extending radially therefrom;

the annular sealing surface being slidingly engaged with a portion of the outer ring;

at least a portion of the second body portion being disposed within the bore and the at least one protrusion engaging the interior surface of the inner member so that the end cap is removably secured to the inner member.

16. The bearing of claim 15 wherein the substantially annular sealing surface sealingly engages a mating surface on the outer ring.

17. The bearing of claim 15, wherein the first body portion defines a lip projecting therefrom, a portion of the lip defining the substantially annular sealing surface and the outer ring comprises a seating portion for receiving and retaining the lip.

18. The end cap of claim 15, wherein each of the at least one protrusions have a base and two side walls extending radially outward from the base and terminating at a distal end of the protrusion and the side walls defining a seating surface thereon.

19. The end cap of claim 15, wherein the second body portion comprises a plurality protrusions arranged adjacent to one another along a length of the second body portion.

20. The end cap of claim 15, wherein at least a portion of the at least one protrusion extends circumferentially around the second body portion.

21. The end cap of claim 15, wherein the at least one protrusion extends circumferentially around and diagonally along a length of the second body portion.

22. The end cap of claim 15, wherein the at least one protrusion comprises a plurality of segments arranged adjacent to one another around a perimeter of the second body portion.

23. The end cap of claim 15, wherein the annular sealing surface is positioned on a peripheral portion of the first body portion.

24. The end cap of claim 15, wherein the second body portion comprises a shank projecting outwardly from the first body portion.

25. The end cap of claim 15, wherein the second body portion has an axial passage extending at least partially therethrough.

26. The end cap of claim 15, wherein the at least one protrusion is operable to frictionally engage the interior area.

27. The bearing of claim 15, wherein the protrusions comprise a resilient material.