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. 01, 2014
Filed:
Jun. 06, 2008
Applicant:
Friedhelm Frede, Lippstadt, DE;
Inventor:
Friedhelm Frede, Lippstadt, DE;
Assignee:
Assa Abloy Entrance Systems AB, Landskrona, SE;
Primary Examiner:
Int. Cl.
CPC ...
E06B 9/17 (2006.01);
U.S. Cl.
CPC ...
Abstract
An industrial rollup door to selectively cover a doorway opening or to provide industrial guarding is presented. The rollup door comprises door leaf, comprised of lamellae, or panels a flexible strip as a lifting belt for selectively lifting and lowering the door, a continuous dampening profile running along the outer surface of each lamellae near an end, and a rotatable spiral disc to accept the lamellae as the door is lifted and to release the lamellae as the door is lowered.