Patent ID: 11958595
Assignee: AIRBUS HELICOPTERS TECHNIK GMBH
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 9:
10. The actuator according to claim 1, wherein the third harmonic gearing has a third wave generator, which can be operated by means of at least one first sub-drive, wherein the third wave generator is located inside a third flex spline that is non-rotatably connected to the first housing, wherein the third flex spline has a third set of external teeth, the fourth harmonic gearing has a fourth wave generator that can be operated by means of at least one second sub-drive, wherein the fourth wave generator is located inside a fourth flex spline that is connected to the second housing for conjoint rotation, wherein the fourth flex spline has a fourth set of external teeth, the first coupling element forms a second circular spline, wherein the second circular spline has internal teeth that correspond to the first and third sets of external teeth, and the second coupling element forms a third circular spline, wherein the third circular spline has internal teeth that correspond to the second and fourth sets of external teeth.