Materials handling vehicles having seats with pivoting backrests
US7543877B2 · kind B2 · utility
3Cited by
38References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2007 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | May 23, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/542
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A compressive member is used to bias a seat backrest into a predetermined position, generally upright as illustrated, relative to a seat base with the compressive member deforming to enable the seat to be pivoted by the application of force to the backrest. When used on a materials handling vehicle for which it is particularly applicable, the resiliently biased backrest attenuates forces that are transferred to the back of an operator occupying the seat when the vehicle is driven over irregularities in a floor supporting the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.