SAFETY DEVICE TO LOCK THE DRUM OF TRUCK MIXERS

摘要

IN A SAFETY DEVICE TO LOCK, IN MAINTENANCE OPERATIONS, THE DRUM (1) OF TRUCK MIXERS OF THE TYPE WHEREIN THE DRUM (1) IS REMOVABLY ANCHORED TO A PLATE (5) CARRIED BY THE FRAME OF THE TRUCK MIXER, SAID PLATE (5) IS INTEGRALLY FIXED TO THE ROLLS SUPPORT (4) OF THE FRAME HEAD, ADJACENT TO THE ROLLING RING (2) OF THE DRUM (1) ONTO WHICH THERE ARE WELDED TWO NUTS (7), POSITIONED AT 180°, TO SCREW THEREIN THE END OF A THREADED PIN (8) APT TO BE INSERTED THROUGH AN OPENING (6) OF SAID PLATE (5). SAID THREADED PIN (8) COMPRISES A HANDLE (9) AND SAID OPENING OF THE PLATE (5) IS A SLOT (6).