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:
Jul. 29, 2025
Filed:
Dec. 20, 2023
Applicant:
Trinity North American Freight Car, Inc., Dallas, TX (US);
Inventor:
Kenneth W. Huck, Fairview, TX (US);
Assignee:
TRINITY NORTH AMERICAN FREIGHT CAR, INC., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 83/02 (2014.01); E05F 11/54 (2006.01);
U.S. Cl.
CPC ...
E05B 83/02 (2013.01); E05F 11/54 (2013.01); E05Y 2201/712 (2013.01); E05Y 2900/51 (2013.01);
Abstract
According to particular embodiments, a door operating system comprises: a rotating handle removably coupled to a first gear; the first gear coupled to a second gear; the second gear removably coupled to a worm gear; and the worm gear coupled to a rotating plate. Rotation of the handle rotates the first gear which rotates the second gear which rotates the worm gear which rotates the rotating plate to cause the door to open or close. The first gear is swappable with the second gear to modify a gear ratio of the door operating system.