Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat
Reexamination Certificate
2007-04-03
2007-04-03
Cuomo, Peter M. (Department: 3636)
Chairs and seats
Back movement resiliently opposed in operating position
Back adjusts independent of seat
C297S301500, C297S303100, C297S303400, C297S362120, C297S363000
Reexamination Certificate
active
10742040
ABSTRACT:
A locking device in an office chair structure of the type with articulation permitting the movement of the adjustable seat and seat back, with a mobile base from which a column rises, which is adjustable in height, and which supports a seat plane and a hinged seat back. The structure of the office chair includes a seat, attached at the front to the corresponding front side of a central support body secured to the top of the adjustable column along the vertical axis;a central support body, which, at the back, keeps in place the lower ends of the two support uprights of the armrestsand a seat back connected to the seat, swinging and linked, near to the back part, to the central support body by means of a compression spring;Coaxially to the compression spring, there is a rod, one side of which is integral with the back rest, while the other side is axially mobile with respect to a static connecting body linked to the central support body of the chair.
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Cuomo Peter M.
Egbert Law Offices
McPartlin Sarah B.
Metalseat Srl
LandOfFree
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