Patent ID: 7810831

Claim:
A fifth-wheel hitch assembly for attaching a fifth-wheel trailer to a tow vehicle, comprising: a frame for fixed attachment to a fifth wheel trailer; a sleeve supported by the frame, said sleeve having an upper open, a lower end and an internal bore; a hitch pin including: an lower attachment portion for disposition within a receiver of a tow vehicle; an upper slide portion disposed through said bore of said sleeve and being sized for slidable movement relative to said sleeve; a retainer connected to an upper end of said hitch pin extending through said upper end of said sleeve, said retainer having a dimension greater than a corresponding dimension of the bore of the sleeve; and a flange extending outwardly from a body of the hitch pin at a location between said lower attachment portion and said upper slide portion; and at least one pneumatically adjustable air spring having a first end connected to said flange and a second end connected to said frame.