Patent ID: 6736420
Filing Date: 2004-05-18
Classification: B62D

Abstract:
A carrier assembly for a fifth wheel mounted on a semi-trailer tractor comprising:a pair of generally parallel spaced rail assemblies extending from a front end to a rear end of the carrier assembly, each rail assembly comprising a rack of teeth positioned over a bed plate and a rack cover plate positioned over the rack of teeth; a slider assembly comprising a pair of spaced generally parallel axial elements each positioned over a respective bed plate and a transverse element connecting the axial elements; the slider assembly supporting a tooth engaging means for selectively engaging each respective rack of teeth to fix the slider assembly in an axial position when the tooth engaging means are engaged and to allow the slider assembly to move axially on the bed plates when the tooth engaging means are disengaged to permit a positional adjustment of the fifth wheel on the trailer; and at least one projection projecting from at least one of the bed plates and the rack cover plates into an aperture formed in the rack of teeth.