Patents by Inventor Hugues Legras

Hugues Legras has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Movement management system for one or more vehicle seats
    Patent number: 6814410
    Abstract: The invention concerns a system for managing movements between different parts of at least one vehicle seat, which at each connection (l1, l2, l3) positioned between a first seat part and a second seat part, comprises actuators (A1, A2, A3) of the first seat part relative to the second seat part that are associated with memorization and control systems (R1; F1, R2, F2; R3, F3) of the end positions of each part and of the limit transmission forces of the actuators. In the event that the movements of several seats need to be managed, this system comprises a link bus (6) ensuring the connection between the seats and one or more central units.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: November 9, 2004
    Assignee: PGA Electronic
    Inventors: Jen-François Piaulet, Hugues Legras, Laurent Groussin, Pascal Moulin, Alain Berthouloux
  • Actuating and locking system for positioning moving parts of a bed, chair or seat
    Patent number: 6623077
    Abstract: An electrical actuator for a seat with an inclinable back in which irreversibility (or blocking of the mechanism) and efficiency are independent of each other, efficiency being obtained by the use of a reduction gear with straight gear wheels (8), and irreversibility being obtained by a current release blocking device (7) mounted in parallel on an electric motor (5) and energized by the same control device (9) as the motor.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: September 23, 2003
    Assignee: P.G.A. Electronic
    Inventors: Jean-François Piaulet, Laurent Groussin, Pascal Moulin, Hugues Legras
  • System for controlling the movements of one or several vehicle seats
    Publication number: 20030075964
    Abstract: The invention concerns a management system for the movements of the parts of at least one vehicle seat, which at each connection (11, 12, 13) positioned between a first and a second seat part, comprises an actuating means (A1, A2, A3) of the first part relative to the second part, associated with memorisation and control means (R1, F1; R2, F2; R3, F3) of the end positions of each part and of the limit transmission forces of the actuating means.
    Type: Application
    Filed: September 20, 2002
    Publication date: April 24, 2003
    Inventors: Jen-Francois Piaulet, Hugues Legras, Laurent Groussin, Pascal Moulin, Alain Berthouloux