Patent ID: 8534152
Filing Date: 2013-09-17
Classification: F16H,Y10T

Abstract:
1. A deflector for use in a ball screw, comprising a main body and a junction member, wherein each of the main body and the junction member has a joint or a commissure, the main body and the junction member being connected with each other along the joint and the commissure to form a channel therebetween, the channel having a first guide groove, two second guide grooves being formed at two opposite sides of the first guide groove respectively, each of the second guide grooves having a first wall and a second wall extending outward from the first guide groove, the first wall and the second wall having a conjunction formed therebetween, the channel having a vertical section defining an extending axis passing through centers of the two conjunctions, one of the first wall and the second wall of each second guide groove being not parallel to the extending axis, each of the first walls being symmetrically inclined toward two sides of the extending axis, an angle of inclination between each first wall and the extending axis being variable subject to different positions of the return path to make the sections of the second guide grooves variable in shape subject to different positions of the return path.