A lock (104; 204) for securing a nosecone (64; 200) having first threading (102; 202) to an inlet case (66; 250) having second threading (115; 253) and for use with a gas turbine engine (20) having an axis (A-A') includes an annular ring (106; 206) designed to be positioned about the first threading (102; 202). The lock (104; 204) also includes a tab (108; 208) extending radially from the annular ring (106; 206), and having a ramped circumferential end (110; 211) and an angled circumferential end (112; 213) such that the ramped circumferential end (110; 211) passes over a detent of the inlet case (66; 250) in response to the nosecone (64; 200) being fastened to the inlet case (66; 250) and the angled circumferential end (112; 213) engages with the detent (114; 252) to resist unfastening of the nosecone (64; 200) from the inlet case 66; 250).
ANTI-ROTATION LOCK FOR THREADED IN PLACE NOSECONE OR SPINNER
VERDREHSICHERUNG FÜR EINGESCHRAUBTE NABENHAUBE ODER SPINNER
SERRURE ANTI-ROTATION POUR DÉFLECTEUR FILETÉ OU SPINNER
2021-11-17
Patent
Electronic Resource
English
ASSEMBLY FOR RELEASABLE LOCKING OF A SPINNER OR NOSECONE TO AN ENGINE STRUCTURE
European Patent Office | 2021
|Assembly for releasable locking of a spinner or nosecone to an engine structure
European Patent Office | 2020
|