| 摘要 |
Specially conceived for the fixing of commercial screws to electrical distribution boxes as those used in automotive vehicles, it consists of a U-shaped metallic part ( 4 ), with the central branch thereof provided with a hole ( 5 ) for the passage of the threaded rod ( 2 ) of the screw and which side branches are spaced in accordance with the width of the head ( 3 ) of said screw, said side branches ( 6 ) of the metallic part being intended to couple under pressure into grooves ( 8 ) arranged on the plastic support or distribution box ( 1 ), for which said side branches ( 6 ) have their side edges provided with dentations ( 9 ) in the form of hooks which lock themselves onto the side edges of the grooves ( 8 ), immobilizing the metallic part ( 4 ) both in an angular direction and in an axial direction, and transferring said immobilization to the screw ( 2 ) through the head ( 3 ) thereof.
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