Entrance system for short nose of locomotive

Abstract

An entrance system for providing access to a short nose of a locomotive is provided. The entrance system includes a door assembly coupled to a wall. The door assembly further includes a panel having predetermined shape, and a plurality of vents on a surface of the panel. The door assembly further includes a frame encasing the panel and a first lock in member coupled to the frame. The frame has a hinged connection to the wall. The entrance system includes a second locking member coupled to the wall. The first locking member and the second locking member are adapted to prevent a rotation of the door assembly around the hinged connection under locking condition of the entrance system. The entrance system further includes a cover flush mounted with a floor of the cabin and at least a portion of the cover extends beneath the frame.

What is claimed is: 
     
         1 . An entrance system for providing access to a short nose of a locomotive, the entrance system comprising:
 a door assembly coupled to a wall of a cabin of the locomotive, the door assembly including:
 a panel having a predetermined shape, and a plurality of vents on a surface of the panel; 
 a frame encasing the panel, the frame having a hinged connection to the wall of the cabin at a first side of the frame allowing rotation of the door assembly inside the short nose; and 
 a first locking member coupled to the frame on a second side of the frame; 
   a second locking member coupled to the wall, the first locking member and the second locking member adapted to prevent rotation of the door assembly, around the hinged connection under locking condition of the entrance system; and   a cover flush mounted with a floor of the cabin, wherein at least a portion of the cover extends beneath the frame.