Patent ID: 7735850

Claim:
A trailer quick disconnect sand-resistant ball mount assembly, comprising: a receiver housing having a receiver chamber, a rear mounting plate and a plurality of receiver side openings, said receiver chamber having a closed spherical upper portion and an angled sidewall; said rear mounting plate having a plurality of mounting apertures to attach said receiver housing to a towing vehicle; a trailer hitch ball assembly having a ball and a shaft are connected to a towed vehicle, said shaft protruding downward; said upper portion and said angled sidewall, being dimensioned to permit a precise alignment of said ball inside said receiver chamber, holds said ball within said receiver chamber while providing a full range of motion for said towed vehicle; a pair of means for fastening extends through said receiver side openings, into said receiver chamber and fits snugly underneath said ball to securely hold said ball inside said receiver chamber, each of said fastening means having a latch pin; said upper portion and said angled sidewall, being tapered upward, cause an unwanted accumulation of sand, road dust, and other debris to harmlessly drop downward during towing to prevent said unwanted accumulation of sand, road dust, and other debris from collecting inside said receiver chamber; said receiver chamber and said ball being configured to prevent any unwanted dropping of said assembly during towing; said rear mounting plate being shaped to afford a best fit between said towed vehicle and said towing vehicle; and said upper portion, said angled sidewall and said pair of fastening means being configured to allow rapidly disconnecting said trailer hitch ball assembly by depressing said latch pins and then slidably removing said pair of fastening means from said plurality of receiver side openings.