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. 25, 2000
Filed:
Oct. 11, 1998
Applicant:
Inventors:
Allen C McDowell, Pensacola, FL (US);
Willis J Mullet, Pensacola Beach, FL (US);
Assignee:
Wayne-Dalton Corp., Mt. Hope, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ; E05F / ; E05F / ;
U.S. Cl.
CPC ...
49200 ; 49197 ; 49199 ; 160191 ;
Abstract
A cable control device (10) for a sectional overhead door (11) having a motor-driven counterbalance system (30) including, a spring-loaded drive shaft (31), cable drums (33) carried by the drive shaft, cables (C) attached to and interconnecting the cable drums and the door and forming and releasing cable wraps on the cable drums upon raising and lowering of the door, and retainers (60) associated with the cable drums engaging a portion of at least one cable wrap to maintain engagement of the cable wrap with the cable drums in the event of the development of slack in the cables.