Shaped junction portions of tubes of an articulated seat frame

Details Shaped junction portions of tubes of an articulated seat frame Shaped junction portions of tubes of an articulated seat frame

1989-10-11

1991-09-24

Brown, Peter R.

Chairs and seats

Laterally folding or collapsing back

One-piece bottom and back

297452, 297443, 403206, 403404, A47C 1024

Patent

active

050509322

ABSTRACT:
In the shaped junction portion, each end of the seat and back frame is deformed in order to obtain a flattened portion in a central area conveniently stiffened by thickened areas, raised edges, or protruding outer lips providing thereby for a perfect application of the shaped end of the tube onto a face of a flange of the articulation mechanism, these parts being thereafter connected together, junction studs of each flange of the articulation inclination being used for a respective centering of the part.

REFERENCES:
patent: 2851090 (1958-09-01), Hamilton
patent: 4470633 (1984-09-01), Fourrey et al.
patent: 4473318 (1984-09-01), Schrock
patent: 4492408 (1985-01-01), Lohr
patent: 4575153 (1986-03-01), Acki et al.

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