Fire door for trailers

A fire door comprising a casing forming a door opening,

• said casing comprising side members, header and a sill,
• said sill being provided with an opening therein,
• a fire door mounted within said door opening and having a frame extending around its periphery,
• engagement means extending from the side of said frame juxtapositioned to said sill and within said opening forming a loose fit therewith,
• said engagement means comprising a bolt means,
• the end of said bolt means fitting into said opening being tapered for aiding in its movement out of said opening when the door is pushed away from its casing from a latch side thereof,
• a rotatable latch means mounted on said door for detachably interlocking with said header in a given position and when rotated to another position releasing said fire door from said casing,
• said side members, header and sill each being provided with a flange extending over the edge of said fire door on the latch-mounted side thereof,
• a resilient finger mounted on the edge of said flanges for engaging the surface of said fire door on the latch-mounted side thereof, and
• resilient means mounted on the edge of said frame adjacent said sill forming a pivot for said fire door,
• whereby a push on said fire door near said latch means will cause said fire door to rotate about an edge of said sill means causing said engagement means to move out of said opening and said fire door to drop away from said casing.