Bellcrank seat suspension apparatus
US7571886B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2005 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | May 5, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/544
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A suspension for a vehicle seat having four bellcranks which guide the seat substantially vertically, oscillate on a central pivot on elevated stationary pivots mounted on a lower frame, with upper arms of the bellcranks pivotally attached to a seat cushion upper frame and the lower arms indirectly attached to adjustable tension springs that are attached to the upper frame; the lower ends with substantial inward offsets so as to rotate downwardly toward the mounting deck of the vehicle while clearing the lower frame and adjustable sliders; the bellcranks being coupled longitudinally and laterally to stay in phase and keep the upper frame level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.