Lumbar support device

Details Lumbar support device Lumbar support device

1998-06-24

1999-09-07

Nelson, Jr., Milton

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

2972847, 2972848, A47C 3025

Patent

active

059475587

ABSTRACT:
A lumbar support device includes a first drive device fixed to a stationary bracket member to move a lumbar pad upward and downward of a seat back, and a second drive device secured on a movable member which is one member of a link mechanism.

REFERENCES:
patent: 4957102 (1990-09-01), Tan et al.
patent: 5088790 (1992-02-01), Wainwright et al.
patent: 5423593 (1995-06-01), Nagashima
patent: 5553919 (1996-09-01), Dennis

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