Chairs and seats – Bottom or back – Framework
Patent
1996-06-19
1997-11-11
Brown, Peter R.
Chairs and seats
Bottom or back
Framework
403279, B60N 242
Patent
active
056856148
ABSTRACT:
A seat in which the backrest armature is composed of two uprights which, joined together by at least one crosspiece, are joined to the seat part armature by a fixed or articulated connection.
The upright of the backrest armature secured to the guide ring for the strap of the seat belt consists of a section piece extruded in lightweight metal alloy, composed of a tubular body reinforced by latero-posterior longitudinal box sections, this tubular body receiving, in its region for fixing to a crosspiece, and by inter-fitting, an insert with a transverse bore which coincides with transverse bores formed in this upright, whereas each of the ends of the crosspiece passing through one or other of the uprights and the corresponding insert is connected to this upright in terms of translation by its end being knocked over against the outer face of the upright and by a circular ridge formed on it being pressed against the inner face of this upright, and is connected in terms of rotation by radial deformations forming notches and penetrating the corresponding insert.
REFERENCES:
patent: 2958127 (1960-11-01), Johnson
patent: 4597687 (1986-07-01), Colas
patent: 5412860 (1995-05-01), Miyauchi et al.
patent: 5501509 (1996-03-01), Urrutia
Brown Peter R.
Irausa Ingeniera S.A.
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