US 11,927,812 B2
Ferrule and optical connector
Hajime Arao, Osaka (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/423,730
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
PCT Filed Feb. 19, 2020, PCT No. PCT/JP2020/006610
§ 371(c)(1), (2) Date Jul. 16, 2021,
PCT Pub. No. WO2020/175288, PCT Pub. Date Sep. 3, 2020.
Claims priority of application No. 2019-031976 (JP), filed on Feb. 25, 2019.
Prior Publication US 2022/0026645 A1, Jan. 27, 2022
Int. Cl. G02B 6/38 (2006.01); G02B 6/36 (2006.01)
CPC G02B 6/3885 (2013.01) [G02B 6/3644 (2013.01); G02B 6/381 (2013.01); G02B 6/3882 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A ferrule of an optical connector to which a counterpart connector is connected, the ferrule comprising
an end portion having an optical fiber retention hole and a guide hole opened from the end portion, the optical fiber retention hole into and on which an optical fiber being inserted into and retained on the optical fiber retention hole, a guide pin being inserted into the guide hole, and the guide pin establishing positioning to the counterpart connector, wherein
the end portion includes
an optical surface including an opening of the optical fiber retention hole,
a guide hole exposure surface including an opening of the guide hole, and
a step part formed between the optical surface and the guide hole exposure surface, the step part being a projection protruding from the guide hole exposure surface in a height direction, and
a height of the guide hole exposure surface and a height of the optical surface are the same relative to the height direction.