Hair cutting device with a cutting length adjustment device

A hair cutting device, comprising:

• a blade arrangement having a first cutting element and a second cutting element which is designed to be movable at least laterally relative to the first cutting element;
• a drive device that drives the blade arrangement;
• and
• a cutting length adjustment device which cooperates with the first cutting element or second cutting element in such a way that a longitudinal offset can be set between the first cutting element and the second cutting element;
• wherein the cutting length adjustment device has a lever with a pre-tensioned locking lug for adjusting the first or second cutting element and at least one holding recess, so that the locking lug engages in the holding recess;
• the lever further comprises a sliding sleeve which, in a first position, holds the locking lug against the pre-tensioning force and, in a second position, releases the locking lug.