Lumbar support adjustment device

Details Lumbar support adjustment device Lumbar support adjustment device

1995-12-01

1999-01-19

Cranmer, Laurie K.

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

2972842, A47C 3025

Patent

active

058607005

ABSTRACT:
A lumbar support adjustment device is disclosed comprising a bracket (11) adapted to slidably restrain a lumbar support belt means (13) adapted to extend between first (12) and second (12') side frames of a seat, said bracket being adapted to be secured to the first side frame and having associated cam means (16) operable to slidably move said belt means between a first and a second position to provide lumbar support adjustment in which said cam means cooperates directly with cam follower means formed in or on said belt means.

REFERENCES:
patent: 4148522 (1979-04-01), Sakurada et al.
patent: 4162807 (1979-07-01), Yoshimura
patent: 4425910 (1984-01-01), Meiller
patent: 4565406 (1986-01-01), Suzuki
patent: 4886316 (1989-12-01), Suzuyama et al.

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