Patent ID: 7165497

Claim:
A mobile storage system track, comprising: (a) a longitudinally extending track support; (b) at least one protrusion projecting above, and extending longitudinally along, an upper surface of said track support; (c) a longitudinally extending track member; and, (d) at least one recess within, and extending longitudinally along, an under surface of said track member, said recess sized and shaped for loose-fit projection of said protrusion within, and extension along, said recess when said track member is laid atop said track support, said loose-fit projection of said protrusion within, and extension along, said recess providing a transverse space between at least one longitudnally extending edge of said recess and a closest longitudinally extending edge of said protrusion and permitting limited transverse movement of said track member with respect to said track support.