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:
Dec. 08, 2015
Filed:
Mar. 15, 2013
Applicant:
Overhead Door Corporation, Lewisville, TX (US);
Inventors:
Jorge Manuel Prieto, Garland, TX (US);
Mark Daus, Doylestown, OH (US);
Charles A. Haba, Massillon, OH (US);
Assignee:
OVERHEAD DOOR CORPORATION, Lewisville, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47H 1/00 (2006.01); E05D 13/00 (2006.01);
U.S. Cl.
CPC ...
E05D 13/1215 (2013.01);
Abstract
A counterbalance system for an upward acting door including a first casing and a second casing. Each casing includes a spring element disposed therein operable to store and release potential energy in response to movement of the upward acting door between open and closed positions. The first casing is interlockable with the second casing to accommodate and counterbalance upward acting doors of differing weights.