Chairs and seats – Back movement resiliently opposed in operating position – Resilient support includes armrest
Reexamination Certificate
2007-03-13
2007-03-13
Barfield, Anthony D. (Department: 3636)
Chairs and seats
Back movement resiliently opposed in operating position
Resilient support includes armrest
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.
REFERENCES:
patent: 4131315 (1978-12-01), Vogtherr
patent: 4703974 (1987-11-01), Brauning
patent: 4832406 (1989-05-01), Adams et al.
patent: 4911501 (1990-03-01), Decker et al.
patent: 5909923 (1999-06-01), DeKraker
patent: 5984408 (1999-11-01), Bujaryn
patent: 6070937 (2000-06-01), Ginat
patent: 6367876 (2002-04-01), Caruso et al.
patent: 6367877 (2002-04-01), Knoblock et al.
patent: 6523898 (2003-02-01), Ball et al.
patent: 6557939 (2003-05-01), Brauning
patent: 6568760 (2003-05-01), Davis et al.
patent: 2003/0047982 (2003-03-01), Ball et al.
Barfield Anthony D.
Faegre & Benson LLP
HNI Technologies Inc.
LandOfFree
Flexible support for a chair backrest does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Flexible support for a chair backrest, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flexible support for a chair backrest will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3724196