Circular saw machine B27B

A circular saw machine (10), consisting of a saw unit (12) comprising a housing (14, 16) having a motor and a drivable by the motor saw blade (18) engages and which has a handle (24), wherein the saw unit (12) with respect to a base plate (22) is adjustably mounted pivotally between minimum and maximum cutting depth, characterized is secured against non-return that the saw unit (12) when sawing the saw blade (18) acting handling forces, in particular from the handle (24) is uncoupled.