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Longitudinal guide for a motor vehicle seat with two rails and guiding devices arranged between them

  • US 5,941,495 A
  • Filed: 06/19/1996
  • Issued: 08/24/1999
  • Est. Priority Date: 06/19/1995
  • Status: Expired due to Term
First Claim
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1. A longitudinal guide device for mounting a seat inside a motor vehicle, comprising:

  • a first elastically deformable rail and a second elastically deformable rail on which the seat is slidably supported so that the seat can be adjusted in a fore-aft direction;

    first fixation devices arranged at the first rail for fixing said first rail to the seat;

    second fixation devices arranged at the second rail connecting said second rail to a platform of a motor vehicle;

    guiding devices arranged between the first rail and the second rail;

    said first rail and second rail each having at least one hooked part arranged there along, the at least one hooked part having an inner circumference and the first rail and second rail being arranged relative to each other so that the inner circumference of the at least one hooked part of the first rail faces the inner circumference of the at least one hooked part of the second rail;

    one of the two rails being formed as an encompassed rail, the other of said two rails being formed as an encompassing rail, the encompassing rail encompassing the encompassed rail wherein each of the two rails is equipped with a sliding section, the sliding section of one rail faces the sliding section of the other rail wherein in a first, initial state wherein a load applied between the rails is below a threshold value, the rails are spaced apart by and supported by the longitudinal guiding device and there is a gap between the two sliding sections, whereas in a second state, when the load applied between the rails is above the threshold value, elastic deformation in at least one of the two rails brings the sliding sections into contact so that the sliding sections support the load, said threshold value corresponding to a weight of a passenger, whereby the guide device can sliding support an empty seat and fixedly support a seat occupied by the passenger.

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