US 9,810,852 B2
Optical receptacle
Sho Kondo, Fukuoka-Ken (JP); Hirotsugu Agatsuma, Fukuoka-Ken (JP); and Satoshi Hakozaki, Fukuoka-Ken (JP)
Assigned to Toto Ltd., Fukuoka (JP)
Filed by TOTO LTD., Kitakyushu-shi, Fukuoka (JP)
Filed on Jan. 10, 2017, as Appl. No. 15/402,573.
Application 15/402,573 is a continuation of application No. 14/900,451, granted, now 9,575,262, previously published as PCT/JP2014/067264, filed on Jun. 27, 2014.
Claims priority of application No. 2013-136499 (JP), filed on Jun. 28, 2013; and application No. 2014-045651 (JP), filed on Mar. 7, 2014.
Prior Publication US 2017/0146747 A1, May 25, 2017
Int. Cl. G02B 6/38 (2006.01); G02B 6/42 (2006.01)
CPC G02B 6/3846 (2013.01) [G02B 6/382 (2013.01); G02B 6/3834 (2013.01); G02B 6/3843 (2013.01); G02B 6/3855 (2013.01); G02B 6/3863 (2013.01); G02B 6/4292 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An optical receptacle, comprising:
a fiber stub including an optical fiber, a ferrule, an isolator, and an elastic member, the optical fiber including a core conducting light, the ferrule having a through-hole fixing the optical fiber, the isolator being fixed to the ferrule, the elastic member fixing the optical fiber to the ferrule and fixing the isolator to the ferrule; and
a holder holding the fiber stub,
the through-hole including a small diameter portion and a large diameter portion, the large diameter portion having a diameter larger than a diameter of the small diameter portion and being provided on a side opposite to a side where the fiber stub is to be optically connected to a plug ferrule as viewed from the small diameter portion,
the entire optical fiber being disposed in the small diameter portion,
the elastic member being filled between the optical fiber and the isolator.