Aircraft Plug Door Hinge

This invention relates to door hinges and more particularly to hinges for connecting a door to the fuselage of an aircraft.

Aircraft plug door hinge.

In the past many commercial passenger carrying aircraft have utilized doors ranging in design from outwardly opening plug type doors to inwardly opening overhead storage type doors. Plug doors seal themselves due to the pressure difference on the two sides and are often used on aircraft with cabin pressurization. Intricate hinges that allow for the plug door s ability to swing inside rotate several axes and move through the opening only to be positioned outside and parallel with the fuselage is intriguing. Outward opening plug type door for aircraft filed april 4 1958 6 sheets sheet 3 1 v k v a rroga aug.

On some aircraft the plug door opens partially inward and through a complex hinge design can be tilted to fit through the fuselage opening or the door may have locking hinged panels at the top and bottom edges that can make it smaller than the opening so that it may be swung outward. For a small plane thats lacking something essential or would benefit from a replacement a variety of parts and accessories are available. This invention relates to door hinges and more particularly to hinges for connecting a door to the fuselage of an aircraft. A plug door is a door designed to seal itself by taking advantage of pressure difference on its two sides and is typically used on aircraft with cabin pressurization the higher pressure on one side forces the usually wedge shaped door into its socket making a good seal and preventing it from being opened until the pressure is released non plug doors rely on the strength of the locking.

Extruded piano hinge 18 18 21 80. The door you mentioned is called a plug door. 28338 constellation road unit 970 valencia california 91355 usa tel. Home metals aircraft hinges.

Founded in 1927 by william piper piper aircraft was once considered one of the big three in the manufacture of planes and aviation parts. Background art in the past many commercial passenger carrying aircraft have utilized doors ranging in design from outwardly opening plug type doors to inwardly opening overhead storage type doors. Bergman etal outward opening plug type door for aircraft filed april 4 1958 6 sheets sheet 4 inventors. Canopy hinge 3 07.

Composites finishing materials. The hinge is aircraft quality extruded ms20001 4 hinge with a 3 32 steel hinge pin.