STRAIN WAVE GEAR MECHANISM WITH AN INNER SEAL

A strain wave gear mechanism (1) has a gear mechanism component (CS) and an elastically deformable transmission component (FS) that is at least partially in alignment therewith in the radial direction (29) and can be deformed elliptically by way of a drive component (WG). Internal or external toothing systems (8, 9) on the gear mechanism component (CS) and the transmission component (FS) are brought into engagement in opposite regions of an elliptical axis to rotate the transmission component (FS) and the gear mechanism component (CS) relative to one another. The transmission component (FS) and the gear mechanism component (CS) are mounted such that they can be rotated relative to one another by means of a pivot bearing (30) which has a bearing intermediate space (16). To maintain lubrication and avoid lubricant leaks, an interior space (28) of the strain wave gear mechanism (1) that adjoins the pivot bearing (30) is sealed by an inner seal (12) with respect to the bearing intermediate space (16) of the pivot bearing.