Adjustable lumbar support

Details Adjustable lumbar support Adjustable lumbar support

1988-12-23

1989-11-14

Aschenbrenner, Peter A.

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Junction field effect transistor

A47C 746

Patent

active

048802719

ABSTRACT:
A lumbar support for a motor vehicle seat or the like is provided. The support includes a pair of vertically mounted bands supported by an upper support band and a bracket, respectively. The vertical bands are bowed towards the front of the seat. An adjustment band is pivotably mounted to a rotatable plate on the bracket for controlling the bowing of the vertical bands. A spring is mounted between the upper support band and the bracket and pulls them towards each other.

REFERENCES:
patent: 1182854 (1916-05-01), Poler
patent: 2254379 (1941-09-01), Millar
patent: 2843195 (1958-07-01), Barvaeus
patent: 3378299 (1968-04-01), Sandor
patent: 4019777 (1977-04-01), Hayashi
patent: 4156544 (1979-05-01), Swenson et al.
patent: 4354709 (1982-10-01), Schuster
patent: 4452485 (1984-06-01), Schuster
patent: 4588172 (1986-05-01), Fourrey et al.
patent: 4601514 (1986-07-01), Meiller

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