Patent ID: 8534000

Claim:
A panel and frame system, comprising: a frame having an interior surface, an exterior surface, a hinge jamb, and a lock jamb; at least one panel, having an interior surface and an exterior surface, hingedly mounted upon said frame by at least one hinge mechanism interconnecting said at least one panel to said hinge jamb of said frame at a location adjacent to said interior surfaces of said frame and said at least one panel, and a retractable/extendible lock bolt mounted upon said at least one panel at a location adjacent to said interior surface of said at least one panel for engaging said lock jamb of said frame at a location adjacent to said interior surface of said frame when said retractable lock bolt is extended to an extended position and when said panel is disposed at a closed position with respect to said frame; said frame further comprising a hinge jamb step located adjacent to said exterior surface of said frame, and said at least one panel further comprising a first panel step located adjacent to said exterior surface of said at least one panel but interior of said hinge jamb step of said frame and operatively cooperative with said hinge jamb step of said frame so as to prevent access to said hinge mechanism from a position exterior to said at least one panel when said at least one panel is disposed at a closed position with respect to said frame; and said frame further comprising a lock jamb step located adjacent to said exterior surface of said frame, and said at least one panel further comprising a second panel step located adjacent to said exterior surface of said at least one panel but interior of said lock jamb step of said frame and operatively cooperative with said lock jamb step of said frame so as to prevent access to said retractable/extendible lock bolt from a position exterior to said at least one panel when said at least one panel is disposed at a closed position with respect to said frame.