Patent ID: 7048466

Claim:
Channel element ( 1 ) for a roadway drainage gutter, comprising: a channel body ( 2 ) of thermoplastic material of U shaped cross-section, the channel body having legs ( 2 a ) with upper horizontal ends arranged to receive a metallic rabbet ( 3 ) for reception and holding of a metallic grill ( 4 ) fixed to the channel body ( 2 ) by securement means, the channel body ( 2 ) having at least one bore ( 6 ) provided at the upper horizontal ends of the legs ( 2 a ), the bore matching complementary openings ( 7 , 8 ) provided respectively in the rabbet ( 3 ) and in the grill ( 4 ), the bore receiving the securement means for the grill ( 4 ), a seat provided in said channel body ( 2 ) below each bore ( 6 ), the seat shaped to receive a nut ( 10 ) which coacts with the securement means another bore provided below said seat, the another bore ( 11 ) being of a diameter less than a diameter of the securement means and creating an anti-unlocking screw threaded brake during assembly on the channel body, a V shaped groove ( 5 ) on an internal surface of the upper ends of the legs ( 2 a ), the V shaped groove ( 5 ) being within the body of the channel ( 2 ) and provided essentially in a medial zone of the channel, and the V shaped groove including at least one projection.