Pneumatic control for the main reciprocatory movements of a loom

Claim 1

A LOOM COMPRISING HEALD SHAFT ELEMENTS, WARP THREADS BEING RAISED AND LOWERED BY SAID HEALD SHAFT ELEMENTS IN A SHED ARRANGEMENT, A RECIPROCATING SHUTTLE ELEMENT, A WEFT THREAD BEING INSERTED INTO THE SHED THE WARP THREADS BY SAID RECIPROCATING SHUTTLE ELEMENT, A REED-CARRIER ELEMENT BEATING UP THE WEFT THREAD, PISTONS OPERATIVELY ASSOCIATED WITH SAID HEALD SHAFT ELEMENTS, RECIPROCATING SHUTTLE ELEMENT AND REED-CARRIER ELEMENT, ELECTRO-PNEUMATIC VALVES OPERATIVELY ASSOCIATED WITH SAID PISTONS, THE MOVEMENTS OF SAID HEALD SHAFT ELEMENTS, SHUTTLE AND REED CARRIER ELEMENTS BEING OBTAINED PNEUMATICALLY BY A FLUID UNDER PRESSURE ACTING ON SAID PISTONS, UNDER CONTROL OF SAID ELECTRO-PNEUMATIC VALVES, AND A STATIC ELECTRONIC CONTROL MEANS REGULATING THE MOVEMENTS OF SAID HEALD SHAFT ELEMENTS, SHUTTLE AND REED-CARRIER ELEMENTS THROUGH A REPEATED SEQUENCE OF STEPS AND COMPRISING A DISTRIBUTOR COUPLED TO SAID VALVES AND ENSURING RIGOROUS RHYTHM OF SAID ELEMENTS AND CAUSING STARTING OF EACH OF THE MOVEMENTS OF SAID RESPECTIVE HEALD SHAFT ELEMENTS, SHUTTLE AND REED CARRIER ELEMENTS AT PREDETERMINED PRECISE TIMES WHICH ARE INDEPENDENT OF THE COMPLETION OF THE PRECEDING MOVEMENTS, SAID MEANS INCLUDING FURTHER MEANS ESTABLISHING TIME INTERVALS BETWEEN TWO SUCCESSIVE MOVEMENTS OF RESPECTIVE OF SAID ELEMENTS TO CONTROL THE END OF MOVEMENTS OF SAID ELEMENTS AND THE STOPPING OF SAID CONTROL MEANS, WHICH THEN PREVENTS THE NEXT SUCCESSIVE SEQUENCE OF STEPS FROM TAKING PLACE IF ONE OF THE MOVEMENTS IN THE PRECEDING SEQUENCE FAILS TO BE COMPLETED IN THE ALLOTTED TIME.