Patent ID: 9297962
Filing Date: 2016-03-29
CPC Classification: G02B

Claim Text:
1. A mono-block type optical fiber adapter, comprising: an adapter body, said adapter body comprising a body shell, at least one front-sided accommodation chamber and one rear-sided accommodation chamber respectively defined in opposing front and rear sides of said body shell, a partition wall defined inside said body shell between one said front-sided accommodation chamber and one respective said rear-sided accommodation chamber, and a tubular coupling portion extended from each said partition wall toward the inside of one respective said front-sided accommodation chamber and defining therein an axially extending passage hole that cuts through the respective said partition wall; at least one ferrule respectively mounted in the axially extending passage hole in each said tubular coupling portion of said adapter body, each said ferrule having a front end thereof positioned in the axially extending passage hole in one said tubular coupling portion of said adapter body and an opposite rear end thereof suspending in one said rear-sided accommodation chamber; and at least one ferrule holder respectively mounted in each said rear-sided accommodation chamber of said adapter body and sleeved onto the opposite rear end of one said ferrule, each said ferrule holder comprising a flat base frame stopped against one said partition wall of said adapter body, a coupling tube perpendicularly extended from one side of said flat base frame and sleeved onto one said ferrule, and an accommodation hole axially extending through said flat base frame and said coupling tube for accommodating the opposite rear end of one said ferrule; wherein said adapter body further comprises two sliding grooves bilaterally and axially disposed in each said rear-sided accommodation chamber, and a plurality of escape holes respectively cut through two opposing lateral walls and a bottom wall of said body shell in communication with said at least one rear-sided accommodation chamber, an inside stop surface portion respectively defined in each said rear-sided accommodation chamber between an inner end of each said sliding groove and one respective said escape hole; each said ferrule holder further comprises two springy hook blocks symmetrically located at two opposite lateral sides of said flat base frame and respectively movable over one respective said inside stop surface portion into one respective said escape hole.