Patent ID: 6871600

Claim:
A floor assembly mounted on a railway car underframe comprising: a plurality of panels with each panel having a first longitudinal edge profile and a second longitudinal edge profile; the panels disposed adjacent to each other with the first longitudinal edge profile coupled with the second longitudinal edge profile of adjacent panels; a respective projection formed on one of the longitudinal edge profiles to create a gap between the respective longitudinal edge profiles of the adjacent panels; an adhesive disposed within each gap to bond the first longitudinal edge profile with the second longitudinal edge profile of the adjacent panels; the panels disposed on and secured to the railway car underframe; a first end located proximate a first end of the railway car underframe; a second end located proximate a second end of the railway car underframe; a central portion of the floor assembly disposed between the first end and the second end of the railway car underframe; the central portion of the floor assembly adhesively bonded with adjacent portions of the railway car underframe; at least one restraining anchor coupled with the floor assembly and the railway car underframe proximate the first end thereof; at least a second restraining anchor coupled with the floor assembly and the railway car underframe proximate the second end thereof; wherein each restraining anchor further comprises: a first member securely coupled with one of the panels; a second member securely coupled with adjacent portions of the railway car underframe; at least one of the first and second members having a slot formed therein; and a bolt extending through the first member, the slot and the second member to allow limited longitudinal movement of the first member relative to the second member to limit any vertical movement during thermal expansion and contraction of the floor assembly relative to the railway car underframe.