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EP0445528B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Vehicle seat with a seat support, to which a backrest is fixed, and with a seat cushion

Assignee: Johnson Controls Metals and Mechanisms GmbH and Co KG
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Filing: 1991-02-04
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Granted: 1993-09-01
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Expires: 2011-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Heinz Bauer
  • 👤 Burckhard Becker
  • 👤 Ernst-Reiner Frohnhaus

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 15:48
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/045

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 172 words
Vehicle seat with a seat support (32) which (a) is hinge fitted on both sides via in each case a forward and a rear parallelogram-arm (24, 26) to a seat rail (20) of a longitudinal guide, wherein a hinge (30) of a parallelogram-arm (28) is equipped with an adjustment device for the height of the seat carrier (32), and (b) carries a back of seat (44), characterized in that the vehicle seat comprises a cushion support (48) carrying the seat cushion (50) which cushion support is on one hand hinge jointed to the seat support (32) around a swivel axis (46) running oblique to the direction of displacement of the longitudinal guide and on the other hand is hinge jointed in the region of it's forward edge on both sides via in each case a pair of articulated levers (52, 54) to the seat rail (20), whereby one joint (60) of the pair of articulated levers (52, 54) comprises an adjustment device for the height of the forward edge of the seat.
Claim 2
Dependent Claim 63 words
Vehicle seat in accordance with claim 1, characterized in that in the middle position of adjustment of the height of the seat support (32) the axles (26, 34) of the forward parallelogram-arm (24) and the axles (30, 36) of the rear parallelogram-arm (28) are positioned on planes (40, 42), which intersect below and in front of the vehicle seat in a pole line.
Claim 3
Dependent Claim 49 words
Vehicle seat in accordance with claim 2, characterized in that the axles (56, 58) of the upper levers (52) of the pairs of articulated levers (52, 54) are situated in a plane (64) which in the middle position of the height adjustment runs essentially through the pole line, too.
Claim 4
Dependent Claim 31 words
Vehicle seat in accordance with claim 1, characterized in that the swivel axis (46) is arranged in the immediate vicinity and below the front face of the back of seat (44).
Claim 5
Dependent Claim 26 words
Vehicle seat in accordance with claim 1, characterized in that the two parallelogram-arms (24, 28) and preferably also the upper lever (52) have essentially equal length.
Claim 6
Dependent Claim 28 words
Vehicle seat in accordance with claim 1, characterized in that the adjustment devices are arranged at the axles (30, 60) which are located at the seat rail (20).
Claim 7
Dependent Claim 49 words
Vehicle seat in accordance with claim 1, characterized in that the vehicle seat comprises a mechanical drive for the longitudinal positioning of the seat rail in the sense of arrow (22), for the angle adjustment of the rear parallelogram-arm (28) and the angle adjustment of the lower lever (54).
Claim 8
Dependent Claim 40 words
Vehicle seat in accordance with claim 1, characterized in that the drive is effected by a hand operated device, and in that preferably lifting springs are provided which support the very direction of adjustment, which needs the higher driving force.

References Cited (Backward Citations)

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