SEAT BELT BUCKLE FOR A SEAT BELT DEVICE OF A MOTOR VEHICLE

摘要

The invention relates to a seat belt buckle (1) for a seat belt device of a motor vehicle, comprising the following: - a drive device (3) with a drive shaft (22) which is led out of the drive device, - a buckle head (2) in which a belt latch of the seat belt device can be locked, - a threaded spindle drive (4) with - a threaded spindle (8) which can be rotated by the drive shaft (22) of the drive device (3) and - a threaded sleeve (9) which is guided in a profiled rail (7) in a longitudinally movable manner and into which the threaded spindle (8) engages, wherein - a first sensor device which detects the rotational movement of the drive shaft (22) and/or the threaded spindle (8) and - a second sensor device which detects at least one reference position of the threaded sleeve (9) are provided, and - the drive device (3) can be actuated on the basis of the signals of the first and the second sensor device.