| 摘要 |
<p>A locking device for a storm grate which has previously not been secured to its associated frame, in order to help prevent theft or vandalism of the grate by unauthorized individuals. The device typically includes an upper plate, a positioning frame, at least one coupler nut, and a bolt. The positioning frame can include the coupler nut, a catch end for engaging the frame of the grate, a lower plate for engaging the underside of the grate, and a pliers handle for holding the device during insertion through a drain opening. The bolt passes through aligned holes in the upper plate and the coupler nut. In one embodiment, a second coupler nut is part of a wing wedge that secures a lower plate of the positioning frame to the underside of the grate. A method of inserting the device includes holding the device with a pair of pliers, lowering it through an opening in the grate, securing the catch end around the frame or I-beam beneath the ground, and then tightening the bolt. Placement of the majority of the device below the level of the grate assures that only a small portion of the device is exposed above the level of the grate, and the bolt head can require a special wrench to screw/unscrew the bolt. 16</p> |
