Patent ID: 7310843

Claim:
A ramp for use in bridging from a placement pad to a floor of an ISO standardized intermodal freight container placed on the placement pad, comprising a plate, molded as a unitary piece, having a substantially rectilinear lower lip arranged to bear on the placement pad and an opposing substantially rectilinear upper lip arranged to engage the container, wherein said upper lip includes a contoured surface and a ridge surface extending along the upper lip arranged to bear on similarly contoured surfaces or a straight lug portion and a T-lug portion of a plurality of lower locking lugs of the container, each lower locking lug attached to a backing plate and having a top surface substantially perpendicular to a face of the backing plate and extending at an angle downward as distance from the backing plate increases, and the contoured surface of the upper lip conforming to the top surface of each lower locking lug, and at least one integral tab disposed along and protruding from the contoured surface of said upper lip, arranged to be inserted between the gap formed by the straight lug portion and the T-lug portion of one of the lower locking lugs of the container on which the upper lip is bearing.