Patent ID: 7036841

Claim:
A locking safety device to maintain in place a trailer attached to a vehicle by an attaching combination comprising a vertical retention component ( 30 ), said locking safety device comprising: a principal body ( 50 ) comprising a superior face ( 57 ) and a lateral face ( 51 ), a superior plate ( 34 ) pivotally mounted on said superior face and maintaining vertically in place said vertical retention component ( 30 ) when placed above it, this position defined as <<closed position>>, a pendular latch ( 36 ) pivotally placed on said lateral face, for moving around a horizontal pivot head ( 58 ), said pendular latch provided with a counterweight ( 38 ) at one end and an overhang component ( 82 ) at its other end, said counterweight causing under the action of gravity said overhang component ( 82 ) to exceed said superior face and prevent the pivoting of said superior plate out of said closed position.