Resilient back-up mechanism for vehicle seat structure

Details Resilient back-up mechanism for vehicle seat structure Resilient back-up mechanism for vehicle seat structure

1985-09-17

1987-06-09

Dorner, Kenneth L.

Chairs and seats

Bottom or back with means to alter contour

267 89, 267177, A47C 746

Patent

active

046715690

ABSTRACT:
A resilient back-up mechanism for a seat back structure of a vehicle seat for supporting a waist portion of a passenger sitting on the seat. An adjusting member is mounted on a seat back frame for pivotal movement and back-up means is also pivotably mounted on the seat back frame. An adjustable spring having one end engaged with the adjusting member and the other end engaged with the back-up means applies a resilient support to the back-up means against rearward movement. The amount of resilient support may be adjusted by swingably moving the adjusting member by an actuating means.

REFERENCES:
patent: 4019777 (1977-04-01), Hayashi
patent: 4148522 (1979-04-01), Sakurada et al.
patent: 4159847 (1979-07-01), Arai
patent: 4162807 (1979-07-01), Yoshimura

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