Flexible support for a chair backrest

Chairs and seats – Back movement resiliently opposed in operating position – Resilient support includes armrest

Reexamination Certificate

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Details

C297S323000

Reexamination Certificate

active

10715234

ABSTRACT:
A chair having an arm, a backrest and a flexible backrest support that is rigidly attached to the arm and the backrest. The flexible backrest support includes a spring located between rigid end portions that are mounted to the chair arm and backrest. The flexible backrest support allows the backrest to pivot while the arm remains stationary. Optionally, a supplemental backrest support may be included.

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patent: 6557939 (2003-05-01), Brauning
patent: 6568760 (2003-05-01), Davis et al.
patent: 2003/0047982 (2003-03-01), Ball et al.

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