A surface platform for a conveyor belt includes a platform member having an upper surface and a rail member at one side of the upper surface. The upper surface has a first portion adjacent the rail member, a second portion adjacent the first portion, and a third portion adjacent the second portion. The second portion extends upward at a distance and in a direction such that when an article is placed on the platform member in contact with the rail the article extends to, and no further than, the second portion. The first portion may extend at least to a center of the platform member and may be horizontal. The second portion may extend upwardly less than a height of the rail member.