Back to results
US 5,022,709 AGranted
Springing and wrap-around element for a seat and/or backrest, and seat embodying the same
OwnerPiero Marchinoinventor
Life of this patent
Estimating the term…
Abstract
A springing and wrap-around element for a seat and/or backrest, comprising a pair of lateral supporting means, and a flexible blade consisting of a convex central portion and two side walls extending obliquely outwards from the central portion and secured to respective supporting means via hinge connecting means; and a seat embodying such an element.
Claims27
A springing and wrap-around device for a seat cushion and seat backrest, comprising:
- (a) a pair of fixed supports;
- (b) a flexible blade mounted on said supports, said flexible blade including
- (i) a central portion which is curved in a convex manner towards a load receiving direction of said device, and
- (ii) two side walls extending outwardly from said central portion towards the load receiving direction, each said side wall having
- (A) a rear portion connected to the central portion of said blade,
- (B) an intermediate portion, and
- (C) a front portion, and
- (iii) said central portion defining elastically deformable means for moving apart said rear portions of said side walls and for rotating inwardly said front portions of said side walls, and
- (c) pivot mounting means for pivotally mounting each said intermediate portion with respect to one said fixed support so that the central portion moves apart the rear portions of the side walls and rotates inwardly the front portions of the side walls, in response to a load applied to the central portion.
6 more elements
A seat comprising:
- (a) a frame;
- and
- (b) upholstery including a springing and wrap-around device, padding thereon and a covering, said springing and wrap-around device including:
- (i) a flexible blade mounted on said frame, said flexible blade including:
- (A) a central portion which is curved in a convex manner towards a load receiving direction of said device, and
- (B) two side walls extending outwardly from said central portion towards the load receiving direction, each said side wall having a rear portion connected to the central portion of said blade, an intermediate portion and a front portion, and
- (C) said central portion defining elastically deformable means for moving apart said rear portions of said side walls and for rotating inwardly said front portions of said side walls, and
- (ii) pivot mounting means for pivotally mounting each said intermediate portion with respect to said frame so that the central portion moves apart the rear portions of the side walls and rotates inwardly the front portions of the side walls, in response to a load applied to the central portion.
5 more elements
Dependencies are inferred from the claim text.