Ball screw drive, in particular for a locking brake of a motor vehicle
AssigneeSchaeffler Technologies AG & Co. KG
InventorsSigurd Wilhelm, Dieter Adler, Nicky Heinrich, Stefanie Oeder, Bernhard Wiesneth
Life of this patent
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AssigneeSchaeffler Technologies AG & Co. KG
InventorsSigurd Wilhelm, Dieter Adler, Nicky Heinrich, Stefanie Oeder, Bernhard Wiesneth
Estimating the term…
A ball screw drive (1), including a spindle nut (8) disposed on a threaded spindle (7) and having a helical ball channel (12) which is delimited by ball grooves (10, 11) of the threaded spindle (7) and of the spindle nut (8) and in which a ball row (14) formed of balls (13) is disposed. The ball screw drive further includes a helical spring (10) which is disposed along the helical ball channel (12), is supported relative to the spindle nut (8), and is provided for contact on the ball row (14) or on a ball cage (14) which receives the balls (13). A rod (17, 21) is provided for stabilizing the helical spring (15) that engages in the helical spring (15).
A ball screw drive, comprising a spindle nut arranged on a threaded spindle having a helical-shaped ball channel that is limited by ball grooves of the threaded spindle and the spindle nut and in which a ball row formed from balls is arranged, and a helical spring arranged along the helical-shaped ball channel is supported relative to the spindle nut and is provided for contact on the ball row or on a ball cage holding the balls, and a rod for stabilizing the helical spring engages in the helical spring.
Dependencies are inferred from the claim text.