Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors

Full Title

Indicating, counting, warning, control or safety devices (arrangements of counting devices in platen presses B41F1/00 in cylinder presses B41F3/84; ink supply or metering devices B41F31/02) > Tripping devices or stop-motions ( ; cylinder-tripping devices of rotary presses or machines B41F13/24; arrangements for tripping inking rollers B41F31/30) > Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors