CPC B64C 13/28 (2013.01) [B21D 39/04 (2013.01); F16C 2326/43 (2013.01); F16D 1/10 (2013.01); F16D 2001/103 (2013.01); F16D 2500/5116 (2013.01); F16L 2201/10 (2013.01)] | 12 Claims |
1. An assembly for transmitting torque to an aircraft actuator comprising:
a torque tube having a longitudinal axis;
an end fitting comprising:
a connector portion; and
an engagement portion inserted into the torque tube,
wherein the engagement portion includes:
a first end adjacent the connector portion;
a second end opposite the first end; and
a coupling region between the first and second end that includes an outer coupling surface having an outer diameter and having a continuous groove formed thereon;
wherein the continuous groove includes two axial grooves that extend along outer coupling surface along the longitudinal axis and a first parallel groove that extends circumferentially about the longitudinal axis along the outer coupling surface and that joins the two axial grooves;
wherein the continuous groove further includes a third axial groove and a second parallel groove, the second parallel groove connecting one of the two axial grooves to the third axial groove;
wherein the first parallel groove is at the first end and the second parallel groove is at the second end.
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