SHORT-ROTATING CHAIN, WITH ROTARY ROLLS, HOLLOW AXES AND HIGH RESISTANCE TO ELONGATION

摘要

P THIS CHAIN INCLUDES A HOLLOW AXIS 11 FIXED SOLIDARILY TO THE TWENTIETHERS 12 OF A LINK AND MOUNTS IN THE BINOCULARS 13 OF THE NEXT LINK WITH INTERPOSITION OF ANTI-WEAR RINGS 14. A ROLL 15 IS MOUNTED ON THE AXIS 11. THE BINOCULARS 13 ARE PREFERABLY NUMBER OF TWO PAIRS. / P