In an overload safety device in a press, having a driving device with a drive
shaft, a slide carrying out an oscillating movement and a connecting rod which
connects the drive shaft with the slide and has a large and a small eye, the connecting
rod is provided with a pressure element disposed displaceably in the longitudinal
direction of the connecting rod. The pressure element acts at least indirectly
upon a fluid such that, when a certain force acts upon the connecting rod, a pressure
increase occurs in the fluid. The fluid is guided to a pressure limiting valve
which, when a predetermined pressure is exceeded, causes an interruption of the
slide movement.