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US 7,437,962 B2Granted
Spindle or worm drive for adjusting devices in motor vehicles
AssigneeBrose Fahrzeugteile GmbH & Co. KG, Coburg
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.
Claims14
A drive for motor vehicles comprising:
- a guide rail assembly having a first rail and a second rail that are displaceable relative to each other, the first rail and the second rail defining a hollow cavity therebetween;
- a threaded spindle fixed on one of the first and second rails;
- a gear assembly mounted on the other of the first and second rails, the gear assembly including a spindle nut having an internal thread and external worm wheel teeth, and a drive worm engaging the worm wheel teeth, the internal thread threadedly engaging the threaded spindle;
- a gear housing holding the gear assembly, with the gear housing having at least two housing parts fixed against each other;
- a holder having a base and two spaced-apart projecting portions extending from the base to form a U-shaped gear socket, the holder fastened on the other of the first and second rails;
- and
- wherein the gear housing and the gear assembly are mounted between the projecting portions of the U-shaped gear socket with the spindle passing through the projecting portions and wherein the holder, the gear housing and the gear assembly are located in the hollow cavity.
4 more elements
Dependencies are inferred from the claim text.