Patent ID: 7306398

Claim:
A wheeled vehicle for transporting highway markers and for exchanging the highway markers between the wheeled vehicle and a highway, the highway markers having a width in each of two dimensions that is horizontal and a height third dimension as seen when the highway markers are in a normal position on the highway, said wheeled vehicle comprising: a main frame; at least one wheel mounted for rotation on said main frame to engage the highway and thereby supporting said mainframe; a storage frame mounted on said main frame for rotation about a generally horizontal axis of rotation; a plurality of slide bearings mounted on said storage frame for rotation therewith at spaced apart intervals around the horizontal axis of rotation; and each of said slide bearings being configured to confine a linear array of the highway markers against movement in one of the two dimensions and the third dimension, and allow sliding movement along the other of the two dimensions within at least a range of linear length of the array.