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. 02, 2013
Filed:
Mar. 04, 2008
Lars Koop, Bremerhaven, DE;
Lars Koop, Bremerhaven, DE;
Hunter Douglas Industries BV, Rotterdam, NL;
Abstract
Operating system () for rotatably controlling retraction and deployment of an architectural covering. The operating system includes a drive pulley wheel () having a circumferential rim (), a length of looped drive cord () operatively engaged with the pulley wheel () about its circumferential rim () and having depending portions on opposite sides of the pulley wheel (), a cover () co-extensive with a portion of the circumference of the pulley wheel () and at least one stopper () attached to a portion of the length of the drive cord () and adapted to engage the cover () to stop rotation upon a predetermined amount of rotation of the pulley wheel (). The pulley wheel is provided with a cavity () on its toothed circumference for receiving the at least one stopper () to prevent it from engaging the cover ().