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Vehicle power seat

  • US 4,944,555 A
  • Filed: 07/22/1988
  • Issued: 07/31/1990
  • Est. Priority Date: 07/29/1987
  • Status: Expired due to Fees
First Claim
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1. A vehicle power seat comprising:

  • a reclinable backrest and a front seat portion, said seat portion comprising a carriage having an unobstructed center cavity and connected at the rear to said backrest so as to enable rotation of the same, in relation to said carriage, about a transverse hinge axis;

    two fixed longitudinal guides extending perpendicularly to the hinge axis, sloping upwards towards the front of said seat portion, and located on opposite sides of said cavity;

    a slide mounted in sliding manner on said fixed guides;

    two substantially horizontal longitudinal guides located over the slide and connected in sliding manner to the same, said two horizontal guides supporting the carriage so as to travel, together with the same, along the slide, and being located on opposite sides of said cavity;

    a first drive means rigidly fixed with respect to the carriage and connected to rotate the backrest relative to the carriage;

    a second drive means rigidly fixed with respect to the slide and connected to move the carriage relative to the slide;

    a third drive means rigidly fixed with respect to the fixed guides and connected to move the slide relative to the fixed guides;

    and wherein said first, second and third drive means comprise a pair of linear actuators located on opposite sides of said center cavity of the carriage.

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