Device for attaching seat backs to corresponding sitting portion

Details Device for attaching seat backs to corresponding sitting portion Device for attaching seat backs to corresponding sitting portion

1990-12-13

1992-10-20

Echols, P. W.

Chairs and seats

Having detachably interfitting parts or components; i.e.,...

Interfitted back and back frame

297444, A47C 700

Patent

active

051564424

ABSTRACT:
The invention relates to improvements to devices for attaching seat backs on corresponding sitting portions. To assemble a vehicle seat back on a corresponding sitting portion, the seat back comprises two trapezoidal flat cases (1), each containing a bent wire spring (8) whose ends (8.sub.1) are urged towards each other, these ends passing through two horizontal slots formed in the cases. The sitting portion comprises two trapezoidal wedges (2) complementary to the cases. The oblique edges of the wedges are formed with inclined slots (12, 13) through which the ends of the spring also pass.

REFERENCES:
patent: 2456794 (1948-12-01), Richardson
patent: 4746168 (1988-05-01), Bracesco
patent: 4890888 (1990-01-01), Kostin
patent: 4919486 (1990-04-01), Chinomi et al.
patent: 4971380 (1990-11-01), Cote et al.

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