Door clamp

A one-man operable door clamp for unlatching a firmly latched side door of an aircraft igloo requiring the application of a substantial external force to open;

• said door clamp comprising, in combination with a stop pin in the floor of the igloo and a firmly latched side door thereof, a lever having at least one aperture therein as well as having a hole therein adjacent to one end thereof, at least one flexible element looped through said aperture with ends thereof projecting to one side of said lever, a pair of pivotally connected spring-loaded links secured to said ends of said flexible element;
• said links defining opposed gripping jaws at their outer extremities for firmly grasping opposite sides of the outer end of said latched side door of said igloo, a flexible member engaged in said hole of said lever and projecting to the other side thereof, and a hook on said flexible member detachably engageable with said stop pin;
• movement of said lever by the application of a steady substantial external force in a direction away from said side door with said opposed jaws of said pivotally connected spring-loaded links gripping opposite sides of the outer end of side door and with said hook engaged with said stop pin effecting a tautening of said flexible element and said flexible member and an unlatching of said side door to open the same for ready removal of said side door from the igloo.