1981-10-05
1984-07-10
Lee, John D.
350 9621, G02B 726
Patent
active
044589832
ABSTRACT:
A resilient ferrule connector capable of terminating both tightly buffered and loosely buffered fiber optic cables without pot and polish steps and without damage to the fibers includes a hollow resilient ferrule with a tapered nose over which is forced a rigid cap having a concentrically precise frusto-conical interior taper. When the cap is forced onto the nose, the optical fiber extending through the nose is gripped and held concentric to the outer periphery of the cap thereby to facilitate coaxial alignment of the fiber with an opposing fiber when opposing ferrules are positioned within an alignment sleeve, the rigid cap providing inward radial pressure which prevents axial movement of the fiber relative to the ferrule when the ferrule is in an unmated condition. A method of recessing the end of the fiber within the nose of the ferrule which prevents dirt trapping includes the use of a flat-tipped tool for establishing the end of the fiber flush with the end of the nose. A cap with an undersized interior channel is then forced over the nose to cause the nose to bulge at its end thereby to provide for the recessing of the end of the fiber within the nose.
REFERENCES:
patent: 3999837 (1976-12-01), Bowen et al.
patent: 4090778 (1978-05-01), Phillips et al.
patent: 4127319 (1978-11-01), Forney, Jr. et al.
patent: 4134641 (1979-01-01), Kao et al.
patent: 4148554 (1979-04-01), Magnusson et al.
patent: 4190317 (1980-02-01), Makuch
patent: 4221461 (1980-09-01), Bair
Augat Inc.
Gonzalez Frank
Lee John D.
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