Opening stop device for railway freight car door outlet gates

A timing indication device for a hopper car gate assembly having a frame configured for attachment to a hopper car body, the frame having a door insertion end and configured to support a door that is horizontally moveable between open and closed positions via an operating shaft located at the door insertion end, wherein the door is removable from the frame without having to remove the operating shaft from the frame, the timing indication device comprising:

• a timing indicator located on a cam or a capstan of the operating shaft,
• wherein the timing indicator includes a mark or formation identifying a rotational orientation of the operating shaft for insertion of the door to permit the door to be inserted to a closed and locked position.

A lock indication device for a hopper car gate assembly having a frame configured for attachment to a hopper car body, the frame having a door insertion end and configured to support a door that is horizontally moveable between open and closed positions via an operating shaft located at the door insertion end, wherein a latch shaft is located at the door insertion end and includes a door latch configured to lock the door in a closed position and a cam follower configured to engage a cam of the operating shaft, the lock indication device comprising:

• a lock indicator located on one of the cam follower and the door latch,
• wherein the lock indicator includes a mark or formation identifying a rotational orientation of the latch shaft indicative that the latch shaft, and hence the door latch attached thereto, is in a locked position.