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Printing unit i.e. eight drum, for printing machine i.e. rotary printing press, utilized for printing colored newspaper, has sensor e.g. motion sensor, provided in gap for detecting presence and/or movement of body belonging to unit
Printing unit i.e. eight drum, for printing machine i.e. rotary printing press, utilized for printing colored newspaper, has sensor e.g. motion sensor, provided in gap for detecting presence and/or movement of body belonging to unit
The unit (1) has two frames (13, 14) that are position-changeable relative to each other. The frames engage against each other, in one operating position, and disengage from each other in other operating position. A gap is formed between the frames that are disengaged from each other, and partly limits the frames. A safety device attached to one of the frames (14) and comprises a sensor e.g. motion sensor, that is provided in the gap for detecting presence and/or movement of body belonging to the unit. The sensor detects electromagnetic waves or ultrasonic waves.
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