FLYING VEHICLE DOOR Russian patent published in 2007 - IPC B64C1/14 B60J5/06 

FIELD: aeronautical engineering; flying vehicle doors.

SUBSTANCE: proposed door has hinged door leaf with foot rests mounted in fuselage doorway, sliding upper leaf mounted with the aid of three hinge brackets with movable hinge members, rollers for example and three guides for movable members; each guide has bent-aside end section. Hinge brackets are located on inner side of sliding upper leaf and guides are mounted inside fuselage skin contour; guide for movable member of lower hinge bracket of upper leaf is mounted at the top of lower leaf. Locking mechanism of hinged lower leaf is provided with interlock unit with bracket whose base is secured on side wall of doorway of fuselage with cantilever section of guide adjoining the guide on lower leaf and spring-loaded latch mounted on base of bracket for interlocking the lower leaf locking mechanism during motion of latch. Lower hinge bracket of upper leaf has pin projection which is engageable with spring-loaded latch of interlocking unit at shift of movable member of lower hinge bracket to cantilever section of guide and spring-loaded pin retainer engageable with end projection on cantilever section of guide. All hinge brackets are located on inner side of upper sliding leaf and all three guides are mounted inside fuselage skin contour. Guide for movable member of upper hinge bracket is located at the top on the doorway wall and guide for movable member of center hinge bracket is located on the fuselage outside at the side of doorway between upper and lower guides; it is sunk flush into fuselage skin.

EFFECT: improved aerodynamics; simplified construction; reduced mass of sliding leaf components.

2 cl, 5 dwg