Patent ID: 9611923
Date: 2017-04-04
CPC Classifications: F16D,F16H,Y10T

Claim:
1. A ballscrew assembly comprising: a ballscrew having an axially distributed ballscrew groove about an interior circumference of the ballscrew; an extended top plate having an extension portion extending in an axial direction and having an axially distributed extended top plate groove disposed on an outer circumference of the extended top plate, the extended top plate having an outer diameter less than a first interior diameter of the ball screw; and an axially distributed thrust bearing disposed in a space bounded by the axially distributed ballscrew groove and the axially distributed extended top plate groove; wherein the axially distributed ballscrew groove has a helix angle of about zero degrees, wherein the ballscrew is configured to rotate with respect to the extended top plate, wherein the extended top plate is disposed entirely within an outer circumference of the ballscrew, and wherein an inner diameter of the extended top plate is substantially equal to a second inner diameter of the ball screw.