Optical connector ferrule having a multiple-angled pedestal
AssigneeFitel USA Corp.
InventorNorman R. Lampert
Life of this patent
Estimating the term…
Abstract
An optical fiber connector ferrule blank has, at its distal end, a pedestal region which has a bevel within a carefully chosen range of angles and a second bevel or chamfer which extends from the end of the first bevel at a different range of angles. The combination of first and second bevels makes possible a finished ferrule that can be used in a variety of different connectors while satisfying the manufacturer's requirement for pedestal diameter, angle of the second bevel, and the length of the combined bevels.
Claims6
A ferrule blank for use in an optical fiber connector, said blank comprising:
- an elongated cylindrical member having a distal end;
- a first circumferential bevel having a first bevel angle extending from a first point on said member toward the distal end thereof for creating a first conical portion of said member to a second point on said member intermediate the first point and said distal end;
- a second circumferential bevel having a second bevel angle extending from said second point to said distal end creating a second different conical portion of said member;
- said second bevel angle being greater than said first bevel angle to produce a distal end diameter of from approximately 0.600 mm to 0.750 mm.
A ferrule blank for use in an optical fiber connector, the ferrule of which has a predetermined pedestal diameter formed by grinding and polishing a distal end of said blank, said blank comprising:
- an elongated cylindrical member having a distal end upon which the pedestal is formed;
- a first circumferential bevel having a first bevel angle extending from a first point on said member toward the distal end thereof:
- a second circumferential bevel having a second bevel angle extending from a second point intermediate said first point and said distal end, said second bevel angle being greater than said first bevel angle and defining with said first circumferential bevel a two step chamfer having a pedestal formed thereon having a diameter of from approximately 0.600 mm to 0.85 mm.
Dependencies are inferred from the claim text.