US Patent 11772524 Vehicle seat

A vehicle seat comprising: a seat base frame, anchoring means for anchoring to the floor of a vehicle, a backrest pivotably hinged to the seat base frame, a substructure pivotably hinged to the anchoring means and to the backrest, a front connecting rod pivotably hinged to the anchoring means and to the seat base frame, a sector gear pivotably hinged to the anchoring means, an irreversible electric motor configured to cause rotation of the sector gear relative to the anchoring means, a first locking means for locking the rotation of the substructure relative to the anchoring means, a second locking means for locking the rotation of the backrest relative to the substructure, a third locking means for locking the rotation of the front connecting rod relative to the sector gear.