Claims
- 1. A lock washer comprising;
a helical body having a first end and a second end in close proximity, said body having an inner edge, an outer edge, a first face surface and a second face surface, with a central opening defined by said inner edge between said first face surface and said second face surface; and surface texturing on at least one of said first face surface and said second face surface.
- 2. The lock washer of claim 1, said surface texturing provided on each of said first face surface and said second face surface.
- 3. The lock washer of claim 1, said first and second ends being spaced from each other.
- 4. The lock washer of claim 3, said surface texturing provided on each of said first face surface and said second face surface.
- 5. The lock washer of claim 4, said surface texturing being a pattern of dimples formed in each said first face surface and said second face surface.
- 6. The lock washer of claim 1, said surface texturing being a pattern of dimples formed in at least on of said first face surface and said second face surface.
- 7. In a split helical lock washer having first and second face surfaces, the improvement comprising surface texturing on at least one of said first and second face surfaces.
- 8. The improvement of claim 7, said surface texturing provided on each of said first face surface and said second face surface.
- 9. The improvement of claim 8, said surface texturing being a pattern of dimples formed in each said first face surface and said second face surface.
- 10. The improvement of claim 7, said surface texturing being a pattern of dimples formed in at least one of said first face surface and said second face surface.
- 12. A process for making a washer comprising, providing a ribbon of washer material, said ribbon having first and second face surfaces;
embossing at least one face surface of said ribbon; and forming said embossed ribbon into a split helical lock washer.
- 13. The process of claim 12, including embossing both face surfaces of said ribbon.
- 14. The process of claim 13, including forming said washer by providing a coiling arbor and wrapping the embossed ribbon around the coiling arbor in a helical wrap.
- 15. The process of claim 14, including cutting said ribbon wrapped on said coiling arbor to form a helical washer body less than a complete helical wrap.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims benefit to U.S. provisional application Serial No. 60/310,566, filed on Aug. 7, 2001.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60310566 |
Aug 2001 |
US |