to an uneven torquing force that might otherwise cause the pins to become dislodged from the grooves lastly the overall system can include side plates 76 that are attached to the large side brackets 36 and 38 by conventional nut and bolts 78 and a simple flanged element 80 that is attached to the side bracket 38 by conventional nut and bolt 82 and which acts as a u201c stop u201d to prevent the gate assembly 18 from being pulled open in the direction of the street referring now to fig4 an other alternative embodiment is shown this embodiment can be utilized in a wide variety of drain basins where the curb side openings are of different width in this embodiment there is a gate assembly 100 that has a gate portion 101 that comprises a frame 102 to which is attached a mesh material 104 in this instance the mesh material 104 is a section of metal grate commercially available that has apertures of the desired size and shape depending on the particulate matter to be kept from entering the basin when the gate portion 101 is in the closed position as is shown in the figs the mesh material 104 is attached to the frame 102 by any conventional means such as by welding the upper portion of the frame 102 is attached to rod 106 as shown here the frame 102 is welded to circular rod 106 but any other attachment means could be utilized so long as the attachment is secure fixed and.