US 12,138,758 B2
Wear sleeve removal tool for rotorcraft
Vitthal Vishnuthreeth Arakeri, Bangalore (IN); and Alvin Jones, Fort Worth, TX (US)
Assigned to Textron Innovations Inc, Providence, RI (US)
Filed by Textron Innovations Inc., Providence, RI (US)
Filed on Apr. 20, 2022, as Appl. No. 17/724,833.
Prior Publication US 2023/0339084 A1, Oct. 26, 2023
Int. Cl. B25B 27/06 (2006.01); B64F 5/40 (2017.01)
CPC B25B 27/062 (2013.01) [B64F 5/40 (2017.01)] 13 Claims
OG exemplary drawing
 
1. A device comprising:
a puller tool assembly for removing a wear sleeve from a tail-rotor hub assembly of a rotorcraft, wherein the puller tool assembly comprises:
an interior shaft slidably engaged within an exterior cylindrical body, the exterior cylindrical body including a first end and a second end opposite the first end and further including an exterior shaft comprising a first cylindrical body with a hollow tubular passage disposed between the first end and the second end;
a mandrel coupled to the interior shaft at the second end of the exterior shaft; and
a restraint cap coupled to the interior shaft at a first end of the exterior shaft, wherein a second end of the exterior shaft is configured to be inserted within the wear sleeve of the tail-rotor hub assembly so that the wear sleeve is disposed between the restraint cap and the mandrel, and
wherein the mandrel is configured to expand to grasp the wear sleeve when the exterior cylindrical body is tightened and to pull the wear sleeve toward the first end of the exterior cylindrical body.