Joint lock

A joint lock having a lock body that accommodates a combination locking mechanism and having a jointed bar hoop that has a plurality of jointed bars pivotably connected to one another and a locking bar, wherein a first end of the jointed bar hoop is permanently fastened to the lock body and a second end of the jointed bar hoop has the locking bar;

• wherein the combination locking mechanism has a plurality of code rings rotatable about an axis of rotation and a latch that is preloaded along the axis of rotation in the direction of a locked position, wherein the latch is movable in the direction of a release position when a secret code is set at the code rings, and wherein the latch is blocked in the locked position when the secret code is not set at the code rings;
• and
• wherein the lock body has an introduction opening through which the locking bar of the jointed bar hoop can be introduced into the lock body along an introduction direction that is oriented transversely to the axis of rotation of the code rings, with the locking bar introduced into the lock body being locked to the lock body when the latch is in the locked position and is blocked,
• wherein at least one of the latch and the locking bar has at least one slope that is configured to effect an urging back of the preloaded latch from the locked position into the release position on a removal of the locking bar from the introduction opening of the lock body or on an introduction of the locking bar into the introduction opening of the lock body.