Lumbar support device

Details Lumbar support device Lumbar support device

1983-09-30

1985-11-05

Zugel, Francis K.

Chairs and seats

Bottom or back with means to alter contour

297460, A47C 300

Patent

active

045509492

ABSTRACT:
A lumbar support device in which a lumbar support member is pivotally secured to a swing frame mounted swingably in a fore-and-aft direction relative to a back frame such that the lumbar support member can be rotated back and forth, the angle of the fore-and-aft inclination of the swing frame relative to the back frame can be variably adjusted by means of a cam mechanism, and the angle of inclination of the lumbar support member relative to the swing frame can be adjusted by means of an inclination adjustment means.

REFERENCES:
patent: 3973797 (1976-08-01), Obermeier et al.

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