Hinging devices for seat backs
US4348050A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1980 |
| Grant date | Sep 7, 1982 |
| Priority date | — |
| Expiry date | Jul 23, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/236
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a seat back hinge comprising a control handle, an inner toothed ring integral with the side-plate of the sitting portion, an inner toothed ring integral with the side-plate of the seat back and toothed bolts adapted to coact with these rings, these bolts being able to be moved radially under the action of a rotary cam integral with the handle and being mounted transversely floating as well as said cam. The side-plates and the cam are mutually centered by cooperation on the one hand of a cylindrical projection of the cam with a bore of one of the side-plates and, on the other hand, of a cylindrical bore of the cam with a projection of the other side-plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.