METHOD AND TOOL FOR RECOVERY OF DAMAGED THREADS Russian patent published in 2023 - IPC B23P6/00 B23B49/02 

Abstract RU 2792983 C2

FIELD: repair work.

SUBSTANCE: invention can be used, for example, to restore damaged threads of connecting assemblies of a transmission casing of an aircraft with a vertical take-off and landing path. The tool contains the first bracket in form of a plate with a protrusion and has a threaded through hole, at least two second brackets pivotally connected to the first bracket and having support surfaces for holding with the corresponding connecting elements, a centring pin. At the same time, it is equipped with two bushings with corresponding threads. A method for restoring a damaged thread using the mentioned tool is also described.

EFFECT: reduction of time and production costs for restoration of a damaged thread due to the possibility of performing work without dismantling the transmission from the aircraft.

2 cl, 17 dwg

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RU 2 792 983 C2

Authors

Colombo Dario

Regonini Roberto

Fiorio Sergio

Dates

2023-03-28Published

2019-10-17Filed