Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
2008-04-15
2008-04-15
Ridley, Richard (Department: 3682)
Machine element or mechanism
Gearing
Directly cooperating gears
C074S089230
Reexamination Certificate
active
11122384
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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Adler Dieter
Hartig Gunter
Kraus Manfred
Mayer Ralf
Munck Horst
INA-Schaeffler KG
Muserlian Charles A.
Pilkington James
Ridley Richard
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