Actuation device

The device (1) has a detent device (7) which is provided for temporary fixing of a pivotable lever (2) at lever positions. A release device (8) is provided with a movable release element (25) for releasing the detent device. The detent device is provided with a locking lever (14) and a relatively stationary detent segment (19). The locking lever and the release element are movably connected with each other through carrier elements (31,33). One carrier element is formed with a laterally open groove while other carrier element laterally projected and arched into a receiving bolt.