The invention relates to a door locking device (10) for a revolving door leaf (80) of a horse box, which comprises a frame (12) with at least three straight frame sections (14, 16, 18) and a bolt (20), a first frame section (14 ) the frame sections (14, 16, 18) has a first bore (25) in which the bolt (20) is arranged to be linearly displaceable and a handle (22), which has a handle plate (44), two first joint elements (42a, 42b ) and a driver element (32), the driver element (32) in the area (43) of a first edge (45) of the grip plate (44) and the first joint elements (42a, 42b) each in the area of one of two corners (47, 49) which delimit the first edge (45), a second frame section (16) and a third frame section (18) of the frame sections (14, 16, 18) each having a second joint element (46a, 46b) and the two first joint elements (42a, 42b) of the handle (22) each with one of the second gel Enkelemente (46a, 46b) of the frame (12) are connected to each form a swivel joint (36, 38) so that the handle (22) between a first position (68) in which the handle plate (44) is in a first plane, which runs between the second and third frame elements, and between a second position (70), in which the handle plate (44) lies in a second plane at an angle to the first plane, to pivot and wherein the bolt (20) is movably mounted in the driver element (32) such that the bolt (20) can be displaced linearly in the bore (25) by pivoting the handle in the first frame section (14). The invention also relates to a revolving door leaf (80) and a front wall of a horse box a revolving door leaf (80).
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