Seat with spring supporting frame

Details Seat with spring supporting frame Seat with spring supporting frame

1989-10-13

1991-12-24

Oberleitner, Robert J.

Spring devices

Cushion for human comfort

Zigzag

5260, 267165, A47C 2316

Patent

active

050745344

ABSTRACT:
Disclosed herein is an automotive seat which includes a seat frame and a plurality of S-springs which are spanned between spaced two portions of the seat frame. Each spring has one U-shaped end portion. In order to tightly and unmovably connect the U-shaped end portion of each spring to selected one of the side portions of the frame, an improved spring holding structure is formed on the selected portion of the frame, which includes a tunnel portion which is integrally formed on the selected portion and two raised portions which are integrally formed on the same selected portion in a manner to put therebetween the tunnel portion. The distance between the two raised portions is substantially equal to the longitudinal length of the U-shaped end portion of the spring. The U-shaped end portion of the spring is received in the tunnel portion having its longitudinal ends respectively contacting with the two raised portions.

REFERENCES:
patent: 2172942 (1939-09-01), Menge
patent: 2175062 (1939-10-01), Menge
patent: 2657738 (1953-11-01), Kruszona
patent: 3386725 (1968-06-01), Fujikawa

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