Ball screw drive

Machine element or mechanism – Gearing – Directly cooperating gears

Reexamination Certificate

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Details

C074S089230

Reexamination Certificate

active

07357048

ABSTRACT:
A ball screw drive comprising a spindle nut (2) that can be disposed on a spindle (1), said spindle nut (2) comprising on an inner periphery, a ball groove (3) that is arranged along a helix and defines a load-bearing channel (8) for balls (5), an external deflector (6, 24) arranged outside of the spindle nut (2) connecting the two ends of the load-bearing channel (8) endlessly to each other for deflecting the balls (5) from one of the two ends of the load-bearing channel (8) to the other of the two ends of the load-bearing channel (8), a drive pinion for driving the spindle nut (2) being arranged on the spindle nut (2), wherein the external deflector (6, 24) is arranged at least substantially within an axial length of the drive pinion.

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patent: 0 8 814 012 B 1 (1997-12-01), None

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