Ratchet device for tensioning articles such as belts and sheets

The device has a ratchet rack wheel (10) supported in a fastening part (1), and a ratchet lever (6) locked in a normal position at the fastening part by a bolt. The bolt is pivotably arranged and movable from a locking position into a releasing position by a control lever (27) which is operated by the pressure in the direction of the fastening part. A synchronization slider (28) is designed as a single mountable component.