Fiber optic connector and method for terminating fiber optic tra

Details Fiber optic connector and method for terminating fiber optic tra Fiber optic connector and method for terminating fiber optic tra

1985-12-18

1987-05-19

Sikes, William L.

350 9620, 350 9610, G02B 636

Patent

active

046662413

ABSTRACT:
A fiber optic connector comprises a housing member and ferrule members. The housing member is rigid and has a profiled bore extending therethrough. The bore has a central cylindrical surface, tapered surface on each side of the central cylindrical surface, and a support surface at the outer end of each tapered sections. The ferrule members are of resilient deformable material and are terminated onto fiber optic transmission members. Each ferrule member has a profiled front end comprising a front cylindrical sections of slightly larger diameter than the central cylindrical section, a tapered section slightly smaller than the bore tapered surface and an alignment section for tight engagement with the support surfaces. A coupling member engages shoulder members of the ferrule members urging the profiled front ends into the profiled bore with the front cylindrical sections tightly engaging the central cylindrical surface thereby applying a radial compressive force to the front cylindrical sections and centering and axially aligning the fiber optic transmission members and the alignment sections of the ferrule members tightly engaging the support surfaces of the housing members to maintain the ferrule members in alignment when lateral forces are applied to the ferrule members. The ferrule member can be made with a domed front end so that during termination to a fiber optic transmission member, the domed front end can be polished along with a protruding end of the fiber optic member to create a polished flat front end surface of the ferrule and fiber.

REFERENCES:
patent: 3999837 (1976-12-01), Bowen et al.
patent: 4084308 (1978-04-01), Runge
patent: 4127319 (1978-11-01), Forney, Jr. et al.
patent: 4178068 (1979-12-01), Hoover
patent: 4186998 (1980-02-01), Holzman
patent: 4233724 (1980-11-01), Bowen et al.
patent: 4418983 (1983-12-01), Bowen et al.
patent: 4447121 (1984-05-01), Cooper et al.

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