Ball screw device

Details Ball screw device Ball screw device

2011-04-12

2011-04-12

Ridley, Richard W (Department: 3656)

Machine element or mechanism

Gearing

Directly cooperating gears

C074S424880

Reexamination Certificate

active

07921743

ABSTRACT:
A ball circulating member constructed in an external face of a nut is provided with ball scooping sections for scooping up balls rolling on between ball screw grooves of a screw shaft and the nut, along a line tangent to a center orbital circle of the balls. The path length of a ball scooping path section formed in the ball scooping sections is set to be ½ or greater of the diameter of the ball.

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