Patent ID: 7493919

Claim:
A control mechanism of a heald frame in weaving looms, of the type comprising a frame hinged to a linkage capable of converting the substantially rectilinear motion of a drive bar into a vertical motion of the frame, characterised in that said drive bar is provided with at least a permanent magnet body (M) and in that an electric coil structure (C) is further provided, in whose proximity said magnet body (M) is intended to slide, fixed with respect to the loom and forming the armature of a linear electric motor of which said magnet body (M) represents the mobile part, wherein said magnet body (M) consists of a series of permanent magnets (m) distributed mutually adjacent over a plate integral with said bar (B), and said plate, equipped with a series of permanent magnets (m), is hinged by at least one end to an anchoring bracket of said bar (B).