Shuttle guiding and driving means in wave weaving looms

Claim 1

IN A WEAVING MACHINE, WEFT THREAD INSERTING MEANS COMPRISING A PLURALITY OF SIMILAR SHUTTLE DRIVING MEMBERS ARRANGED SIDE BY SIDE, MEANS FOR DISPLACING SAID DRIVING MEMBERS ALONG SIMILAR PATHS ALL PARALLEL TO A COMMON SURFACE OF REFERENCE, A PAIR OF OPPOSITELY FACING SHUTTLE ENGAGING ABUTMENTS SPACED FROM EACH OTHER IN THE DIRECTION OF DISPLACEMENT OF THE RESPECTIVE SHUTTLE DRIVING MEMBER ON EACH OF SAID SHUTTLE DRIVING MEMBERS, ACTUATING MEANS FOR RECIPROCATING SAID SHUTTLE DRIVING MEMBERS INDIVIDUALLY ALONG THEIR SAID PATHS IN PHASE OFFSET RELATION WITH RESPECT TO EACH OTHER SUCH THAT THE INTERSECTIONS OF ONE OF SAID SHUTTLE ENGAGING ABUTMENTS OF SAID SHUTTLE DRIVING MEMBERS WITH SAID SURFACES OF REFERENCE DEFINE A FIRST LEAD LINE TRAVELLING ALONG SAID SURFACE OF REFERENCE IN A DIRECTION PERPENDICULAR TO THE DIRECTION OF DISPLACEMENT OF EACH OF SAID SHUTTLE DRIVING MEMBERS WHEN RECIPROCATED IN SAID PHASE OFFSET RELATION, WHEREBY THE INTERSECTIONS OF THE OTHER OF SAID SHUTTLE ENGAGING ABUTMENTS OF THE SAME MEMBERS DEFINE IN SAID PLANE OF REFERENCE A SECOND LEAD LINE OFFSET BY AN INVARIABLE DISTANCE FROM SAID FIRST LEAD LINE IN THE DIRECTION OF DISPLACEMENT OF SAID SHUTTLE DRIVING MEMBERS AND TRAVELLING JOINTLY WITH SAID FIRST LEAD LINE IN THE SAME DIRECTION AS THE LATTER, AND A PLURALITY OF WEFT THREAD CARRYING SHUTTLES EACH HAVING A PAIR OF OPPOSITELY FACING CAM SURFACES THE FIRST OF WHICH IS DEFINED BY A PART OF SAID FIRST LEAD LINE WHEREBY IT IS ENGAGEABLE BY SAID ONE SHUTTLE ENGAGING ABUTMENTS OF SEVERAL OF SAID SHUTTLE DRIVING MEMBERS AT A TIME, AND THE SECOND OF SAID CAM SURFACES IS SIMILARLY DEFINED BY THE CORRESPONDING PART OF SAID SECOND LEAD LINE WHEREBY IT IS ENGAGEABLE BY SAID OTHER SHUTTLE ENGAGING ABUTMENTS OF THE SAME SHUTTLE DRIVING MEMBERS, THE SAID PART OF SAID FIRST LEAD LINE AND THE SAID CORRESPONDING PART OF THE SECOND LEAD LINE COMPRISING EACH AT LEAST TWO PORTIONS DIFFERENTLY INCLINED WITH REFERENCE TO SAID TRAVELLING DIRECTION.