Motorized articulation for vehicle seat
US8974000B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2012 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Apr 27, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/02253
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle seat articulation mechanism comprising a first member intended to be connected to the seat part, a second member intended to be connected to the backrest, about an axis of articulation, reduction gearing arranged between an input member and the second member, a piezoelectric motor having a rotor connected to the reduction gearing to drive the rotation of the second member with respect to the first member through the reduction gearing, in which the reduction ratio of the reduction gearing is greater than or equal to 150, and in which the nominal rotational speed of the piezoelectric motor is less than 500 revolutions/min. Seat comprising such a mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.