Back to results
US 7,000,874 B2Granted
Lever drive for a vehicle seat adjuster
AssigneeKEIPER GmbH & Co. KG
InventorsRolf Schüler, Dirk Angermann
Life of this patent
Estimating the term…
Abstract
In a lever drive (11) for a vehicle seat adjuster, in particular in a motor vehicle seat, having a drive lever (17) which can be manually moved, at least one driven lever (21) operatively connected to the adjuster, and at least one transmission means (25), which transmits a torque acting on the drive lever (17) to the driven lever (21) with a transmission ratio, the transmission ratio changes as a function of the transmitted torque.
Claims20
A lever drive for a vehicle seat adjuster, comprising:
- a pivotably mounted drive lever that can be manually pivoted and includes a rolling guide;
- and
- at least one pivotably mounted driven lever which is for being operatively connected to the adjuster and includes a rolling cam which bears on the rolling guide,
- with the rolling cam and the rolling guide being configured so that a smoothly curved border of the rolling cam carries out a rolling movement on and along a smoothly curved border of the rolling guide in response to a pivoting movement of the drive lever and thereby transforms the pivoting movement of the drive lever into a larger pivoting movement of the driven lever.
1 more element
A lever drive for a vehicle seat adjuster, comprising:
- a drive lever that is mounted for pivoting and includes a guide having a smoothly curved surface which is a border of the drive lever;
- and
- at least one pivotably mounted driven lever which is for being connected to the adjuster and includes a cam with a smoothly curved surface which bears on the curved surface of the guide, wherein the curved surface of the cam is a border of the driven lever,
- with the cam and the guide being configured so that the curved surface of the cam carries out a rolling movement on and along the curved surface of the guide in response to a pivoting movement of the drive lever and thereby transforms the pivoting movement of the drive lever into a larger pivoting movement of the driven lever.
1 more element
Dependencies are inferred from the claim text.