US Patent 10065531 Vehicle seat and method for adjusting a vehicle seat

A vehicle seat and method for adjusting the vehicle seat uses a hinge mechanism (18), a guide mechanism (20), and a single actuation device (22) designed to function selectively either in a backrest control mode, acting on the blocking device (28) in order to move the blocking device (28) towards the release position, or in a track (30) control mode, acting on the locking device (36) in order to move the locking device (36) towards the unlocking position. The actuation device (22) is controlled by a user to cause the actuation device to function either in backrest control mode or in track (30) control mode.