The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 1990
Filed:
Jul. 31, 1989
Applicant:
Inventor:
Leo W Plude, Woodinville, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
2441295 ; 340543 ; 292D / ;
Abstract
An aircraft exit door locking system in which an exit door is automatically locked depending on three dissimilar inputs to a logic system. The inputs are provided from acceleration, pressure, and motion sensors and are utilized in a manner whereby any two can determine whether the lock in the passenger cabin exit door will be energized or deenergized.