Locking device for a vehicle seat

The locking device includes a locking unit (21) for locked locking elements (12, 15) to lock a turning sprung trap element (31) to support the first locking element in the event of a crash, and a clamping element (23) to clamp the locking elements to each other. There is a recess (37) in the trap element to take the first of two springs (41).