The invention relates to a jamming roller lock comprising a housing (22) and at least two, preferably three clamping disks (2), which are arranged in the housing (22) in rotatable fashion and each have at least one recess (4), in which a jamming roller (20) is situated, at least one driving projection (12) and at least one driven projection (14), wherein the clamping disks (1) are arranged and embodied in such a way that a rotation of the clamping disks (2) is possible by driving the driving projections (12) and a rotation of the clamping disks (2) is prevented when driving the driven projections (14).
