Suspension device
US10384571B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2017 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 8, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/02258
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Suspension device for a vehicle seat, comprising an upper suspension portion and a lower suspension portion, which are interconnected by a first swivel connector and a second swivel connector, and the first and the second swivel connector are pivoted in each case about a swivel pin in the case of an oscillating movement of the upper suspension portion relative to the lower suspension portion, wherein a first toothed wheel element which is rotatable about a first axis of rotation is arranged on the first swivel connector for adjusting a position of a first spring unit, by means of which a spring force and a spring rate of the suspension device can be changed, the first toothed wheel element being in operative contact with a second toothed wheel element which is rotatable about a second axis of rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.