Door fitting having a handle which can be locked on one side

A door fitting having a handle that can be locked on one side, comprising at least one rosette for contact with a door leaf and a shaft element for forming an operative connection to a locking mechanism of a lock unit fitted into the door leaf, and an adapter element fitted in a neck section of the handle and being held on the shaft element, wherein the door fitting further comprises:

• a locking device held m or on the neck section of the handle, which is brought, by manual actuation, into a blocking position, in which the handle is rotationally blocked against the at least one rosette by the locking device,
• whereby through the shaft element, an oblong emergency release element is guided, which extends from the handle to an opposite handle;
• and
• wherein the oblong emergency release element is formed as a tappet, into which a thrust movement is introduced from a side of the opposite handle, and wherein the oblong emergency release element interacts with the locking device in such a way that a thrust movement of the oblong emergency release element guides the locking device out of the blocking position in the rosette.