Seatback breakover device
US5320308A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1991 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Dec 4, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D11/064
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A seatback fitting assembly is provided with means to allow the complete forward rotation of the seatback, while remaining anchored to the seat structure, upon an excessive dynamic load or force impact on the seatback. This is accomplished by the use of a structural "breakover" device operating within the fitting assembly, which restrains the seatback within a limited, "forward tilt" range of motion under normal conditions, but allows complete forward rotation once load forces above an allowable level act on the seatback to cause a restraining pin to shear. A friction brake or clutch arrangement is provided to inhibit tilting of the seatback at all times but does not prevent the complete forward rotation of the seatback.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.