| 主权项 |
1. A roller screw mechanism comprising:
a screw having an outer thread, a nut surrounding and coaxial with the screw, the nut being provided with an inner thread, a plurality of rollers radially disposed between the screw and the nut and provided with an outer thread engaging the outer and inner threads and with two outer gear teeth, two gear wheels each provided with gear teeth meshing with the gear teeth of the rollers, and two spacer rings for maintaining the rollers circumferentially spaced apart, and wherein the spacer rings are axially offset towards the inside relative to the gear teeth of the gear wheels. |
