| 主权项 |
1. A safety device for use on a towing vehicle adapted for towing a trailer, said vehicle having left and right opposing C-shaped frame rails, said C-shaped rails being defined by an upper flange, a lower flange, and a connecting member, said opposing rails having inwardly facing flanges, said frame rails having a forward portion and a rearward portion, a hitch affixed to said forward portion of said frame rails and adapted for receiving a kingpin of said trailer, said kingpin having a narrowed section defined by a wider lower section and wider upper section said narrowed section having a smaller diameter than both said upper section and said lower section of said kingpin, said narrowed section having a height, said safety device comprising:
a left and right mounting portion, said mounting portions adapted for being affixed to corresponding left and right upper flanges of said frame rails; a left elongate funneling portion affixed to said left mounting portion at an obtuse angle; a right elongate funneling portion affixed to said right mounting portion at an obtuse angle; and a catch, having a ramped portion and a funneling attachment portion, said funneling attachment portion connecting said left and right elongate funneling portions to form a U-shape. |
