US 12,104,679 B2
Ball screw drive and method for operating a ball screw drive
Nicky Heinrich, Neustadt a. d. Aisch (DE); Sedat Oezdemir, Herzogenaurach (DE); and Robert Drechsler, Veitsbronn (DE)
Assigned to Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
Appl. No. 18/014,526
Filed by Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
PCT Filed Jun. 8, 2021, PCT No. PCT/DE2021/100489
§ 371(c)(1), (2) Date Jan. 5, 2023,
PCT Pub. No. WO2022/007988, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 10 2020 118 230.9 (DE), filed on Jul. 10, 2020.
Prior Publication US 2023/0258249 A1, Aug. 17, 2023
Int. Cl. F16H 25/22 (2006.01); F16D 65/14 (2006.01); F16D 125/40 (2012.01)
CPC F16H 25/2238 (2013.01) [F16D 65/14 (2013.01); F16H 25/2209 (2013.01); F16D 2125/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A ball screw drive, comprising:
a threaded spindle,
a spindle nut,
rolling bodies configured as balls arranged in a thread turn between the threaded spindle and the spindle nut, and
a first spring element arranged in the thread turn between two nut-side stops,
wherein in at least one setting of the threaded spindle and the spindle nut, the balls and the first spring element are arranged in the thread turn with backlash.