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. 24, 2012
Filed:
May. 02, 2005
Mikael Bengtsson, Eldsberga, SE;
Hakan Larsson, Halmstad, SE;
Raymond Sauve, Stone Mountain, GA (US);
Holger Siewert, Rheda-Wiedenbrueck, DE;
Jan Victor, Halmstad, SE;
Kent Palsson, Aled, SE;
Mikael Bengtsson, Eldsberga, SE;
Hakan Larsson, Halmstad, SE;
Raymond Sauve, Stone Mountain, GA (US);
Holger Siewert, Rheda-Wiedenbrueck, DE;
Jan Victor, Halmstad, SE;
Kent Palsson, Aled, SE;
Assa Abloy Entrance Systems AB, Landskrona, SE;
Abstract
A high load operation industrial roll door, including a flexible door curtain windable about a top roll positioned above a door opening and provided with a drive system. The roll door includes a bottom beam fastened to the door curtain, and a biasing spring, for resisting movement of the door upon application of a load thereon, and a positive stop preventing movement of the biasing means beyond a predetermined point.