Hatch cover latching system method and apparatus

摘要

A railcar hatch cover latching system including a sliding mechanism attached to a movable portion of the hatch cover and a latching apparatus associated with the hatch cover. The latching apparatus has a biased assembly, a bar and at least one profiled stop. The bar extends through the biased assembly. The biased assembly is configured to allow the bar to pass through the biased assembly with a first force requirement. The at least one profiled stop is positioned on the bar to encounter the biased assembly and having a second force requirement to move the bar past the at least one profiled stop, the second force being greater than the first force.