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:
Jun. 24, 2025
Filed:
Feb. 02, 2023
Applicant:
Textron Aviation Inc., Wichita, KS (US);
Inventors:
Michael John Seibel, Wichita, KS (US);
Jamie L. Taber, Wichita, KS (US);
Sidney Aloysius Mohr, Clearwater, KS (US);
Assignee:
Textron Innovations Inc., Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 1/24 (2006.01); A47B 5/04 (2006.01); A47B 31/06 (2006.01); B64D 9/00 (2006.01); H01F 7/02 (2006.01);
U.S. Cl.
CPC ...
B64C 1/24 (2013.01); A47B 5/04 (2013.01); A47B 31/06 (2013.01); B64D 9/00 (2013.01); H01F 7/0252 (2013.01); Y10T 403/32319 (2015.01);
Abstract
A stairway for aircraft is disclosed which includes first and second stair halves, one which nests in the other. The first half is hinged to the doorway and the second half is hinged to the first half. A mechanical resistance system uses different devices to allow for the airstair to be damped when switching between modes. A retracting arrangement is also disclosed.