Locking Device And Leaves Outfitted Therewith And Leaf Installation

A leaf which has at least one locking device comprising:

• a housing configured to be one of installed in a stationary manner in a leaf and arranged at the leaf in a stationary manner;
• a locking element that is movable translationally into and out of the housing such that the locking element projects out of the housing in a locking position;
• at least a first actuating device that comprises a handle piece that is accessible from the outside with respect to the housing, the first actuating device is operatively connected to the locking element such that the locking element is moved into and out of the housing when the handle piece is moved along a predetermined movement path;
• and
• a second actuating device received in the housing comprising a transmission device configured to be rotationally actuated and turned by a turning part that is accessible from outside the housing and which is operatively connected to the locking element so that the locking element is moved out of the housing when the turning part in turned in a locking direction,
• wherein the leaf is configured to receive or hold the locking device in a stationary manner such that the locking element protrudes from the leaf when the locking element projects out of the housing.