Title:
BALL SCREW DRIVE, IN PARTICULAR FOR A LOCKING BRAKE OF A MOTOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2014/082635
Kind Code:
A3
Abstract:
The invention relates to a ball screw drive (1), comprising a spindle nut (8) disposed on a threaded spindle (7) and comprising 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. Said ball screw drive further comprises 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), wherein a rod (17, 21) provided for stabilising the helical spring (15) engages in the helical spring (15).
Inventors:
WILHELM SIGURD (DE)
ADLER DIETER (DE)
HEINRICH NICKY (DE)
BÄRTHLEIN STEFANIE (DE)
WIESNETH BERNHARD (DE)
ADLER DIETER (DE)
HEINRICH NICKY (DE)
BÄRTHLEIN STEFANIE (DE)
WIESNETH BERNHARD (DE)
Application Number:
PCT/DE2013/200293
Publication Date:
August 07, 2014
Filing Date:
November 11, 2013
Export Citation:
Assignee:
SCHAEFFLER TECHNOLOGIES AG (DE)
International Classes:
F16D65/18; F16H25/22; F16D121/02; F16D121/24; F16D125/40
Foreign References:
| US1905039A | 1933-04-25 | |||
| US20090283371A1 | 2009-11-19 | |||
| DE102009051123A1 | 2011-05-12 | |||
| DE102009019793A1 | 2010-10-07 |
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