Adjusting device for a vehicle seat with a spindle and an associated spindle nut
US6575421B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Oct 26, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/02253
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to an adjusting device for a vehicle seat having a first adjusting element (20) and a second adjusting element (22) that is motion-linked to the first adjusting element (20), particularly a length-adjustment device for an underframe of the vehicle seat relative to a seat part, whereas the adjusting device (24) has a spindle (26) and an associated spindle nut (30) encompassing the spindle (26) and whereas the spindle (26) is non rotatably fastened onto the first adjusting element (20) of the adjusting device and the spindle nut (30) a) is rotatably carried in the second adjusting element (22), b) forms on its outer case a worm wheel that engages the worm (32) which may be connected to a multi turn actuation (36), c) is made of synthetic material and d) is encompassed on either of its two axial end areas by a reinforcing barrel (60) that encircles the corresponding end area of the spindle nut (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.