Patent ID: 11912396
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
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.