US 12,487,426 B2
Cable attachment device
Christophe Joseph Marie Corbille, Saint Nicolas de Redon (FR); Frédéric Pierre Le Riche, Coueron (FR); and Michel Teva Menguy, La Chevallerais (FR)
Assigned to CORNING RESEARCH & DEVELOPMENT CORPORATION, Corning, NY (US)
Filed by Corning Research & Development Corporation, Corning, NY (US)
Filed on Nov. 17, 2022, as Appl. No. 17/989,167.
Claims priority of provisional application 63/284,088, filed on Nov. 30, 2021.
Prior Publication US 2023/0168458 A1, Jun. 1, 2023
Int. Cl. G02B 6/44 (2006.01)
CPC G02B 6/4471 (2013.01) 20 Claims
OG exemplary drawing
 
1. A cable attachment device for sealing and retaining a communications cable entering a telecommunications closure through an opening defined in the closure, the device comprising:
a housing having a passage through which the communications cable extends, the housing having a first portion and a second portion;
wherein the first portion of the housing is configured to receive a protective tube of the telecommunications cable;
wherein the second portion of the housing is configured to engage with the closure;
a first seal configured to form a seal between the device and the closure;
a second seal configured to form a seal between the interior of the device and the protective tube at a first position;
a third seal configured to form a seal between the communications cable and the interior of the device at a second position longitudinally spaced from the first position;
a first retaining arrangement configured to couple the device to the closure;
a second retaining arrangement configured to hold the tube relative to the device; and
a third retaining arrangement configured to fix the telecommunications cable relative to the device.