EP0328137A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Springing and wrap-around element for a seat and/or backrest, and seat embodying the same
Assignee: Individual
•
Filing: 1989-02-10
•
Granted: —
•
Expires: 2009-02-10
Abstract
Abstract A springing and wrap-around element (1) for a seat and/or backrest, comprising a pair of lateral supporting means (5), and a flexible blade (2) consisting of a convex central portion (3) and two side walls (4) extending obliquely outwards from the central portion (3) and secured to respective supporting means (5) via hinge connecting means (6); and a seat (37) embodying such an element (1).
Inventors
- 👤 Piero Marchino
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 22:57
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/64; B60N2/66; B60N2/667; B60N2/6671; B60N2/90; B60N2/986; B60N2/99
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
96 words
1) - A springing and wrap-around element for a seat and/or backrest, characterised by the fact that it comprises a pair of supporting means (5, 27), and a flexible blade (2) secured to said supporting means (5, 27); said flexible blade (2) comprising a convex central portion (3) facing the load-receiving direction of said element (1), and two side walls (4) extending outwards from said central portion (3) and also facing said direction; said side walls (4) being secured centrally to said supporting means (5, 27) via connecting means (6) forming, at least approximately, a hinge.
Claim 2
Dependent Claim
96 words
1) - A springing and wrap-around element for a seat and/or backrest, characterised by the fact that it comprises a pair of supporting means (5, 27), and a flexible blade (2) secured to said supporting means (5, 27); said flexible blade (2) comprising a convex central portion (3) facing the load-receiving direction of said element (1), and two side walls (4) extending outwards from said central portion (3) and also facing said direction; said side walls (4) being secured centrally to said supporting means (5, 27) via connecting means (6) forming, at least approximately, a hinge.
Claim 3
Dependent Claim
47 words
2) - An element as claimed in Claim 1, characterised by the fact that said connecting means (6) comprise at least two tabs (8) projecting laterally from said center portion of said respective side walls (4) of said blade (2), and cooperating with said supporting means (5).
Claim 4
Dependent Claim
35 words
3) - An element as claimed in Claim 1, characterised by the fact that said connecting means (6) comprise respective shaped center portions (10) of said side walls (4) cooperating with said supporting means (5).
Claim 5
Dependent Claim
47 words
4) - An element as claimed in one of the foregoing Claims, characterised by the fact that it comprises elastic means (15, 23) secured to the ends of said central portion (3) of said blade (2), and designed to increase the rigidity of said central portion (3).
Claim 6
Dependent Claim
25 words
5) - An element as claimed in Claim 4, characterised by the fact that said elastic means comprise at least a helical spring (15, 23).
Claim 7
Dependent Claim
33 words
6) - An element as claimed in Claim 4, characterized by the fact that said elastic means comprise at least a leaf spring cooperating with said central portion (3) of said blade (2).
Claim 8
Dependent Claim
46 words
7) - An element as claimed in one of the foregoing Claims from 4 to 6, characterised by the fact that it comprises means (21, 22, 24, 45, 48, 59, 61) for adjusting the tension of said elastic means (23) designed to provide for variable rigidity.
Claim 9
Dependent Claim
48 words
8) - An element as claimed in Claim 7, characterized by the fact that said adjusting means comprise a hand-operated knob (24), and at least a screw-nut screw assembly (21, 22; 48, 45; 60, 61) controlled by said knob and acting on said elastic means (23; 50; 53).
Claim 10
Dependent Claim
34 words
9) - An element as claimed in any one of the foregoing Claims, characterised by the fact that said side walls (4) are hinged to said central portion (3) of said flexible blade (2).
Claim 11
Dependent Claim
36 words
10) - An element as claimed in one of the foregoing Claims, characterised by the fact that said central portion (3) of said flexible blade (2) consists of a number of adjacent sections (3a, 3b, 3c).
Claim 12
Dependent Claim
23 words
11) - An element as claimed in Claim 10, characterised by the fact that said sections (3a, 3b, 3c) are of differing rigidity.
Claim 13
Dependent Claim
37 words
12) - An element as claimed in any one of the foregoing Claims, characterised by the fact that said supporting means comprise a pair of bars (5) forming part of the frame of an automobile seat (37).
Claim 14
Dependent Claim
36 words
13) - An element as claimed in any one of the foregoing Claims from 1 to 11 characterised by the fact that said supporting means (27) form part of the frame (26) of a cushion (25).
Claim 15
Dependent Claim
41 words
14) - A seat, particularly an automobile seat, comprising a frame, and upholstery consisting of springing and wrap-around means, padding means, and covering means; characterised by the fact that said springing and wrap-around means (1) comprise at least a flexible blade
Claim 16
Dependent Claim
41 words
14) - A seat, particularly an automobile seat, comprising a frame, and upholstery consisting of springing and wrap-around means, padding means, and covering means; characterised by the fact that said springing and wrap-around means (1) comprise at least a flexible blade
Claim 17
Dependent Claim
49 words
(2) secured to said frame (5); said flexible blade comprising a convex central portion (3) and two side walls (4) extending obliquely outwards from said central portion (3); said side walls (4) being secured centrally to said frame (5) via connecting means (6) forming, at least approximately, a hinge.
Claim 18
Dependent Claim
49 words
(2) secured to said frame (5); said flexible blade comprising a convex central portion (3) and two side walls (4) extending obliquely outwards from said central portion (3); said side walls (4) being secured centrally to said frame (5) via connecting means (6) forming, at least approximately, a hinge.
Claim 19
Dependent Claim
29 words
15) - A seat as claimed in Claim 14, characterised by the fact that said upholstery (1, 7, 28) may be pre-assembled and subsequently connected to said frame (5).
Claim 20
Dependent Claim
48 words
16) - A seat as claimed in Claim 14 or 15, characterised by the fact that said padding means (7) and said covering means (28) are connected to said flexible blade (2) via connecting elements (29, 34) secured to said side walls (4) of said flexible blade (2).
Claim 21
Dependent Claim
52 words
17) - A seat as claimed in Claim 16, characterised by the fact that said connecting means comprise a number of elastic cords (34) secured to metal wire veins (29) integral with said covering means (28), threaded through respective openings in said padding means (7), and secured to said side walls (4).
Claim 22
Dependent Claim
33 words
18) - A seat as claimed in Claim 17, characterised by the fact that said side walls (4) comprise a number of projections (36) on to which said elastic cords (34) are hooked.
Claim 23
Dependent Claim
53 words
19) - A seat as claimed in one of the foregoing Claims from 14 to 18, characterised by the fact that said connecting means comprise at least two tabs (8) projecting laterally from said center portion of respective said side walls (4) of said blade (2) and cooperating with said supporting means (5).
Claim 24
Dependent Claim
41 words
20) - A seat as claimed in one of the foregoing Claims from 14 to 18, characterised by the fact that said connecting means comprise respective shaped center portions (10) of said side walls (4) cooperating with said supporting means (5).
Claim 25
Dependent Claim
51 words
21) - A seat as claimed in one of the foregoing Claims from 14 to 20, characterised by the fact that it comprises elastic means (15, 23) secured to the ends of said central portion (3) of said blade (2), and designed to increase the rigidity of said central portion (3).
Claim 26
Dependent Claim
25 words
22) - A seat as claimed in Claim 21, characterised by the fact that said elastic means comprise at least a helical spring (15, 23).
Claim 27
Dependent Claim
33 words
23) - A seat as claimed in Claim 21, characterised by the fact that said elastic means comprise at least a leaf spring cooperating with said central portion (3) of said blade (2).
Claim 28
Dependent Claim
36 words
24) - A seat as claimed in one of the foregoing Claims from 21 to 23, characterised by the fact that it comprises means (21, 22, 24) for adjusting the tension of said elastic means (23).
Claim 29
Dependent Claim
48 words
25) - A seat as claimed in Claim 24, characterized by the fact that said adjusting means comprise a handoperated knob (24), and at least a screw-nut screw assembly (21, 22; 48, 45; 60, 61) controlled by said knob and acting on said elastic means (23; 50; 53).
Claim 30
Dependent Claim
37 words
26) - A seat as claimed in any one of the foregoing Claims from 14 to 25, characterized by the fact that said side walls (4) are hinged to said central portion (3) of said blade (2).
Claim 31
Dependent Claim
43 words
27) - A seat as claimed in one of the foregoing Claims from 14 to 26, characterised by the fact that said central portion (3) of said flexible blade (2) consists of a number of adjacent flat or convex sections (3a, 3b, 3c).
References Cited (Backward Citations)
No citation records indexed.
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