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US 2009/0000424 A1Published application
Spindle or worm drive for adjusting devices in motor vehicles
AssigneeBrose Fahrzeugteile GmbH & Co. KG
InventorsWerner Taubmann, Alwin Macht, Bernhard Schrimpl, Matthias Liebetrau
Life of this patent
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Abstract
A spindle or worm drive for adjusting devices, especially seat adjustment devices, window lifters and sliding roofs, in motor vehicles. The drive includes a fixed spindle or relatively fixed toothed rack which is secured to the second of the two parts. The gear elements are mounted in a housing which includes at least two plates that can be secured to each other by plug-in connectors. The connectors are also configured as supporting joints that absorb the forces of the gear.
Claims10
1-42. (canceled)
A spindle drive for adjusting devices in motor vehicles comprising:
- a threaded spindle tensioned rotationally secure between two holders at its ends;
- and
- a spindle nut mounted in a gear assembly and engaged with the spindle;
- wherein the threaded spindle is fixed in at least one holder through an ideal break point and wherein one end of the threaded spindle has a positive locking element which can be connected to a rotating tool in order to overcome the ideal break point for the purpose of an emergency operation of the drive.
1 more element
Dependencies are inferred from the claim text.