LINEAR TRAVEL DRIVE Russian patent published in 2008 - IPC F16H25/24 G02B7/198 F16H19/02 G02B27/62 

FIELD: engines and pumps.

SUBSTANCE: proposed drive incorporates a motor, a housing, a gear, a gear wheel, bearings and a nut with a screw representing a partially threaded rod. The plain bearings are rigidly fitted in the housing while the aforesaid rod is arranged to translate and rotate. The gear wheel is rigidly fitted on the said rod to get into mesh with the assembly of widened gear-rim idlers. The aforesaid nut is rigidly fitted in the housing and is furnished with the device designed to take up axial and radial play in the threaded pair.

EFFECT: higher drive rigidity, accuracy and stability in IN and OUT state, simple design and ease of manufacture.

4 cl, 1 dwg