Mistake resistant design for wing fuel tank access door alignment features

Patent metadata

Field	Value
Publication number	US-9079656-B2
Application number	US-201313767005-A
Country	US
Kind code	B2
Filing date	Feb 14, 2013
Priority date	Feb 14, 2013
Publication date	Jul 14, 2015
Grant date	Jul 14, 2015

Abstract

An access door structure for a wing skin is received in an access hole opening which incorporates a protective glove having a set of mistake resisting features and engaging the periphery of the access hole opening. An inner door seals an interior of the access hole opening and has multiple fastener attachment elements and a set of mating mistake resisting features. An outer door engaged over an exterior of the access hole opening has fastener holes for mating alignment with the fastener attachment elements and receives a plurality of fasteners for engagement of the inner and outer doors.

First claim

What is claimed is:

1. An access door structure comprising:
a wing skin having an access hole opening;
a protective glove engaging the periphery of the access hole opening and having a set of mistake resisting features;
an inner door sealing an interior of the access hole opening and having a plurality of fastener attachment elements and a set of mating mistake resisting features;
and an outer door engaged over an exterior of the access hole opening having a plurality of fas…

Assignees

• Boeing Co

Inventors

• Korenaga Brian H
• Novak Mark S

Classifications

• B64C1/1446 Primary

  Operations & Transport · mapped topic

• B64C1/1461 Primary

  Operations & Transport · mapped topic