Patent ID: 9573009
Date: 2017-02-21
CPC Classifications: A62C,G09B

Claim:
1. A portable firefighting training unit comprising a metal container with a combustible liner, said metal container having an outer wall, a bottom wall and a lid, said outer wall having a top edge and a bottom edge, said bottom wall joined to the outer wall near the bottom edge of the outer wall to define an open cavity, said outer wall having an access opening adjacent the bottom wall and a peripheral flange above the access opening below the top edge, said lid hinged to the outer wall opposite the access opening for movement relative to the top edge of outer wall between a closed and an open position, said lid further having a swing bolt carried in trunnions attached to the flange and to the outer wall above the access opening, said swing bolt having a threaded shank with a handwheel threadedly engaging the shank, said lid having an open slot through which the shank of the swing bolt may be passed for securing the lid in the closed position when the handwheel is screwed down against the lid, a cover for blocking an air pathway through the access opening; and, said combustible liner having a plurality of side panels, a bottom panel and a top panel, said bottom panel fitted inside the outer wall of the metal container and resting on the bottom wall of the metal container, said side panels having an upper edge and a lower edge, said lower edge of the side panels resting on the bottom panel, said side panels butted together against the outer wall of the metal container, one of said side panels having an opening in registry with the access opening in the outer wall of the metal container, said top panel resting on the upper edge of the side panels with a top surface of the top panel proud of the top edge of the outer wall, whereby the air pathway to the combustible liner is substantially blocked other than through the access opening in the outer wall of the metal container when the lid is in the closed position and the handwheel is screwed down against the lid with the lid exerting a sealing pressure on the top panel.