US 12,353,024 B2
Multiports and optical connectors with rotationally discrete locking and keying features
Thierry Luc Alain Dannoux, Avon (FR); Joel Christopher Rosson, Hickory, NC (US); and Felice Scotta, Savingny le Temple (FR)
Assigned to CORNING RESEARCH & DEVELOPMENT CORPORATION, Corning, NY (US)
Filed by CORNING RESEARCH & DEVELOPMENT CORPORATION, Corning, NY (US)
Filed on Jul. 12, 2023, as Appl. No. 18/221,352.
Application 18/221,352 is a continuation of application No. 17/072,545, filed on Oct. 16, 2020, granted, now 11,703,646.
Application 17/072,545 is a continuation of application No. 16/516,551, filed on Jul. 19, 2019, granted, now 10,809,463, issued on Oct. 20, 2020.
Application 16/516,551 is a continuation of application No. 16/018,988, filed on Jun. 26, 2018, granted, now 10,359,577, issued on Jul. 23, 2019.
Application 16/018,988 is a continuation in part of application No. PCT/US2017/064072, filed on Nov. 30, 2017.
Claims priority of provisional application 62/526,018, filed on Jun. 28, 2017.
Claims priority of provisional application 62/526,195, filed on Jun. 28, 2017.
Claims priority of provisional application 62/526,011, filed on Jun. 28, 2017.
Prior Publication US 2023/0358968 A1, Nov. 9, 2023
Int. Cl. G02B 6/38 (2006.01); G02B 6/42 (2006.01); G02B 6/44 (2006.01)
CPC G02B 6/3879 (2013.01) [G02B 6/3825 (2013.01); G02B 6/3826 (2013.01); G02B 6/3831 (2013.01); G02B 6/3851 (2013.01); G02B 6/3869 (2013.01); G02B 6/387 (2013.01); G02B 6/3873 (2013.01); G02B 6/3885 (2013.01); G02B 6/381 (2013.01); G02B 6/3821 (2013.01); G02B 6/3837 (2013.01); G02B 6/3841 (2013.01); G02B 6/3843 (2013.01); G02B 6/3849 (2013.01); G02B 6/3871 (2013.01); G02B 6/3887 (2013.01); G02B 6/3889 (2013.01); G02B 6/389 (2013.01); G02B 6/3893 (2013.01); G02B 6/3895 (2013.01); G02B 6/3897 (2013.01); G02B 6/4262 (2013.01); G02B 6/4401 (2013.01); G02B 6/4446 (2013.01); G02B 6/4471 (2013.01); G02B 6/4472 (2013.01); G02B 6/4477 (2013.01); G02B 6/4479 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A fiber optic connector, comprising:
a ferrule comprising an optical fiber bore; and
a connector housing comprising:
a rotationally discrete keying portion defined on an outer surface of the connector housing, wherein the rotationally discrete keying portion comprises a recessed portion of the connector housing with an unobstructed line of sight from the rotationally discrete keying portion to a leading edge plane of the connector housing along an advancing direction of the fiber optic connector;
a front portion of the connector housing comprising a rectangular cross-section having planar sides, and a rear portion of the connector housing comprising a curved outer surface; and
a rotationally discrete locking portion defined on the outer surface of the connector housing that interrupts the nominal housing portion as a negative cut-out, the rotationally discrete locking portion comprising a port engagement face and a locking portion recess positioned rearward of the port engagement face.