Aircraft Plug Door Hinge

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.

Aircraft plug door hinge.

The hinge is aircraft quality extruded ms20001 4 hinge with a 3 32 steel hinge pin. The door you mentioned is called a plug door. Bergman etal outward opening plug type door for aircraft filed april 4 1958 6 sheets sheet 4 inventors. 28338 constellation road unit 970 valencia california 91355 usa tel.

Plug doors seal themselves due to the pressure difference on the two sides and are often used on aircraft with cabin pressurization. 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. 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. For a small plane thats lacking something essential or would benefit from a replacement a variety of parts and accessories are available.

Extruded piano hinge 18 18 21 80. When installed and closed the hinge pin is gripped tightly by the force of the spring. 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. Home metals aircraft hinges.

Outward opening plug type door for aircraft filed april 4 1958 6 sheets sheet 3 1 v k v a rroga aug. Composites finishing materials. This invention relates to door hinges and more particularly to hinges for connecting a door to the fuselage of an aircraft. El rfo v kffm immrt q f fei l aez ama v w opj al l ill apt k.

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. One end of the hinge pin is flattened.