Chairs and seats – Movable back
Patent
1994-03-30
1997-05-20
Nelson, Jr., Milton
Chairs and seats
Movable back
2972841, B60N 202
Patent
active
056306504
ABSTRACT:
A vertically adjustable back construction is provided for chairs and the like of the type having a one-piece sculptured appearance. The back construction includes a lower back member with an upholstered upright portion, and an upper back member slidably mounted on the lower back member for movement between various back heights. The upper back member includes an upholstered, downwardly opening shroud portion, which is disposed over and covers at least the uppermost end of the upright portion on the lower back member, and translates thereover to permit ready vertical adjustment of the upper back member by the user to accommodate different tasks and users, while preserving the one-piece sculptured appearance of the chair.
REFERENCES:
patent: D309383 (1990-07-01), Muller-Deisign et al.
patent: D311286 (1990-10-01), Muller-Deisig et al.
patent: D312003 (1990-11-01), Muller-Deisig et al.
patent: D312536 (1990-12-01), Muller-Deisig et al.
patent: D318184 (1991-07-01), Muller-Deisig et al.
patent: 3526430 (1970-09-01), Eldon, III
patent: 4012158 (1977-03-01), Harper
patent: 4015878 (1977-04-01), Perkins
patent: 4221430 (1980-09-01), Frobose
patent: 4384742 (1983-05-01), Wisniewski
patent: 4451084 (1984-05-01), Seeley
patent: 4573737 (1986-03-01), Korn
patent: 4616877 (1986-10-01), Slaats et al.
patent: 4639039 (1987-01-01), Donovan
patent: 4660885 (1987-04-01), Suhr et al.
patent: 4662681 (1987-05-01), Favaretto
patent: 4662682 (1987-05-01), Maurel
patent: 4709894 (1987-12-01), Knoblock et al
patent: 4711491 (1987-12-01), Ginat
patent: 4718153 (1988-01-01), Armitage et al.
patent: 4720142 (1988-01-01), Holdredge et al.
patent: 4744603 (1988-05-01), Knoblock
patent: 4776633 (1988-10-01), Knoblock et al.
patent: 4786108 (1988-11-01), Dauphin
patent: 4872635 (1989-10-01), Knoblock et al.
patent: 4930840 (1990-06-01), Tornero
patent: 4979778 (1990-12-01), Shields
patent: 5007678 (1991-04-01), DeKraker
patent: 5037158 (1991-08-01), Crawford
patent: 5050931 (1991-09-01), Knoblock
patent: 5193880 (1993-03-01), Keusch et al.
patent: 5217278 (1993-06-01), Harrison et al.
patent: 5232265 (1993-08-01), Estkowski et al.
Dammermann Arnold B.
Mancewicz James M.
Peterson Gordon J.
Roossien Charles P.
Rundhaug David L.
Jr. Milton Nelson
Steelcase Inc.
LandOfFree
Vertically adjustable back construction for seating does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vertically adjustable back construction for seating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vertically adjustable back construction for seating will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1719695