EP0540481A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A back-rest for seats, particularly motor-vehicle seats
Assignee: Fiat Auto SpA
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Filing: 1992-09-29
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Granted: —
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Expires: 2012-09-29
Abstract
Abstract The back-rest includes a lumbar support member (1) having a generally butterfly or hourglass configuration. The forward-rearward position of the support member relative to the side pillars (2) of the back-rest framework may be adjusted selectively by means of flexible control cables (9-11).
Inventors
- 👤 Antonio Dal Monte
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/64; B60N2/66; B60N2/667; B60N2/6673; B60N2/6671
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
156 words
A seat back-rest including a supporting framework with two side pillars (2), a support member (1) having a generally horizontal development for the back of the seat occupant, and support elements (6) extending so as to interconnect the pillars (2) and the support member (1) in a substantially symmetrical arrangement with respect to the median vertical plane through the back-rest, characterised in that it includes adjustment means (9 to11) also extending in a substantially symmetrical arrangement with respect to the vertical median plane through the back-rest between the support member (1) and a respective one of the side pillars (2); the adjustment means having parts (11) connecting the support member (1) to respective ones of the pillars (2) whose lengths are selectively variable (12,13); the variation in the length of the active parts (11) causing a corresponding variation in the forward-rearward position of the support member (1) relative to the side pillars (2) of the back-rest.
Claim 2
Dependent Claim
20 words
A back-rest according to Claim 1, characterised in that the support member (1) has a generally butterfly or hourglass configuration.
Claim 3
Dependent Claim
35 words
A back-rest according to Claim 1 or Claim 2, characterised in that the support member (1) includes two parts which are substantially symmetrical to each other about the vertical median plane of the back-rest itself.
Claim 4
Dependent Claim
36 words
A back-rest according to any one of Claims (1 to3) characterised in that the support member (1) has bracket formations (4) at the back on which bear the connecting elements (6) and the adjustment means (9-11).
Claim 5
Dependent Claim
26 words
A back-rest according to any one of the preceding Claims, characterised in that the connecting elements (6) are constituted by resilient bodies such as springs (6).
Claim 6
Dependent Claim
60 words
A back-rest according to any one of the preceding Claims, characterised in that the adjustment means are constituted by flexible cable controls (10) the sheath (9) whereof bears against the support member (1) and the cable (11) whereof has an active part of selectively variable length extending between the support member (1) and a respective one of the pillars (2).
Claim 7
Dependent Claim
48 words
A back-rest according to Claim 6, characterised in that the cable (11) of each said flexible cable control (10) is hooked on to the respective pillar (2) by a terminal formation (12) constituted by an approximately spherical body inserted in an aperture (12a) in the side pillar (2).
Claim 8
Dependent Claim
28 words
A back-rest according to Claim 7 , characterised in that the terminal formation (12) is located in a position which is generally concealed by the pillar (2) itself.
Claim 9
Dependent Claim
55 words
A back-rest according to any one of Claims 6 to 8, characterised in that each side pillar (2) has a generally C-shaped profile with a base wall facing outwardly of the back-rest, and in that the flexible cable controls (10) have their cables (11) anchored to the base wall of the respective side pillar (2).
Claim 10
Dependent Claim
54 words
A back-rest according to any one of Claims 6 to 9, characterised in that the end portions of the flexible cable controls (10) are arranged so that they are generally wrapped around the respective one of the side pillars (2), the path of wrapping extending over the front side of the respective pillar (2).
Claim 11
Dependent Claim
56 words
A back-rest according to any one of the preceding Claims, characterised in that, to provide for the attachment and reaction of the adjustment means (9-11), the support member (1) has rear bracket formations (4) on which there are mounted generally L-shaped formations (8) with at least one aperture (11) for the passage of the adjustment means.
References Cited (Backward Citations)
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