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US 11,590,825 B2Granted
Air vents
Assigneefischer automotive systems GmbH & Co. KG
InventorGunter Leopold
Life of this patent
Estimating the term…
Abstract
A gear system for pivoting blades of an air vent, which is releasable or disengageable. For this purpose, one embodiment provides a rack and pinion gear system comprising helical pinions, which engage with a toothed rack as a result of an axial force due to a helical spline when rotational driving, and thereby establish a drive connection with the blades.
Claims13
An air vent, comprising a pivotable blade for guiding and/or controlling an air current flowing through the air vent, and comprising an electromechanical drive, including a gear system, for pivoting the blade,
- wherein the gear system is releasable so that a drive connection of the gear system is interrupted, and
- wherein the gear system comprises a helically toothed rack, a first helical pinion, and two second helical pinions, of which at least one meshes with the first helical pinion, and which are axially movable with respect to the first helical pinion, so that an axial force, which arises during transmission of torque between the first pinion and at least one of the two second pinions, causes at least one second pinion to engage with, or the second pinions to disengage from, the toothed rack.
Dependencies are inferred from the claim text.