According to some embodiments, an apparatus for railcar doors comprises a locking plug configured to be disposed within a square key hole. The locking plug comprises a front portion defining a recess having a recess shape. The apparatus comprises a key element. The key element comprises a key element shaft having a shape corresponding to the recess shape. The key element is configured to be inserted into the locking plug and to transfer a torsional force from the key element to the square key hole. In particular embodiments, the locking plug may comprise a back portion. The locking plug is disposed within the square key hole by a weld connecting the back portion of the locking plug to a portion of the square key hole.
Apparatus and Method for Securing Railcar Doors
2018-07-19
Patent
Electronic Resource
English