US 12,138,788 B2
Mechanism
James Kell, Nottingham (GB); and David Alatorre Troncoso, Nottingham (GB)
Assigned to ROLLS-ROYCE PLC, London (GB)
Filed by ROLLS-ROYCE plc, London (GB)
Filed on May 4, 2022, as Appl. No. 17/736,524.
Claims priority of application No. 2107055 (GB), filed on May 18, 2021.
Prior Publication US 2022/0371179 A1, Nov. 24, 2022
Int. Cl. B25J 9/06 (2006.01); B25J 18/06 (2006.01); F01D 21/00 (2006.01)
CPC B25J 9/065 (2013.01) [B25J 18/06 (2013.01); F01D 21/003 (2013.01); F05D 2260/80 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A mechanism for inserting an elongate member through an aperture of a body, along a longitudinal axis, the mechanism comprising:
an attachment configured to attach, in use, the mechanism to the body;
a feed portion comprising a feed actuator configured to engage with and drive the elongate member along the longitudinal axis; and
a twist portion comprising a twist actuator (i) configured to engage with the feed portion and rotate the elongate member about the longitudinal axis and (ii) comprising a first coaxial portion configured to rotate relative to a second coaxial portion configured, in use, to remain stationary relative to the body and the attachment,
wherein the twist actuator is configured to rotate both the feed portion and the elongate member about the longitudinal axis, and
the feed actuator comprises three axial feed shafts extending parallel to but radially offset from the longitudinal axis, each of the feed shafts being connected together so as to rotate together.