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US 4,541,739 AGranted
Controlled capillary ball bearing cage
AssigneeSperry Corporation
InventorsTerry S. Allen, Dennis W. Smith, Peter E. Jacobson
Life of this patent
Estimating the term…
Abstract
A controlled capillary ball bearing cage composed of a plurality of layers woven mesh containing warp and woof strands. Selected removal of warp strands forms uniformly spaced cylindrical lubricant reservoirs around the circumference of ball bearing pockets machined into the cage.
Claims1
A controlled capillary ball bearing cage of a type having a hollow cylindrical shape with walls of predetermined length and radial thickness and a plurality of circular ball bearing pockets formed through said cylindar wall, said ball bearing cage comprising:
- a multiplicity of woven mesh layers having warp and woof strands of preselected material and diameters,
- said woven mesh layers being bonded with a selected filler material,
- circumference of said ball bearing pockets having a multiplicity of uniformly spaced, cylindrical shaped lubricant reservoirs formed therein.
Dependencies are inferred from the claim text.