Chairs and seats – Back movement resiliently opposed in operating position – Back and bottom adjust in a fixed relationship
Patent
1996-11-13
1998-06-09
Brown, Peter R.
Chairs and seats
Back movement resiliently opposed in operating position
Back and bottom adjust in a fixed relationship
2973008, 2973017, A47C 328
Patent
active
057623996
ABSTRACT:
A positioning device includes a mounting frame mounted to an underside of a chair seat. The mounting frame includes a positioning portion having a plurality of vertically spaced engaging notches. An adjusting base is mounted to the mounting frame and yet allows relative pivotal motion therebetween. A spring-biased adjusting rod is movable between a first position where the mounting frame is rockable relative to the adjusting base and a second position where the mounting frame is not rockable relative to the adjusting base.
Brown Peter R.
Klein David I.
Lee Jun Y.
Rosenberg Morton J.
Vu Stephen
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