A camlock is for use in a flange assembly. The camlock comprises:a cam member for engaging a flange, the cam member arranged to be rotatable about its rotational axis; anda ratchet mechanism including first and second ratchet members, the first and second ratchet members arranged in a mutual engagement to permit relative movement between the first and second ratchet members in one direction and limit relative movement between the first and second ratchet members in the opposite direction, wherein the cam member and the ratchet mechanism are arranged so that the mutual engagement between the first and second ratchet members-permits rotation of the cam member about its rotational axis in one direction and limits rotation of the cam member about its rotational axis in the opposite direction.展开▼
