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:
Jan. 25, 2022
Filed:
Jul. 10, 2019
Applicant:
Somfy Activites SA, Cluses, FR;
Inventor:
Adrien Brondex, Domancy, FR;
Assignee:
SOMFY ACTIVITES SA, Cluses, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B 9/72 (2006.01); E06B 9/42 (2006.01); E06B 9/60 (2006.01);
U.S. Cl.
CPC ...
E06B 9/72 (2013.01); E06B 9/42 (2013.01); E06B 9/60 (2013.01);
Abstract
Disclosed is a drive system for driving a screen, that includes an actuator designed to drive in rotation a winding tube acting on the screen, and a compensation spring which is mounted around the actuator and has several turns formed by winding a wire. The drive system includes at least one ring made of plastic material that is placed between two adjacent turns of the compensation spring, and an external radius of the ring is larger than a maximum external radius of the compensation spring.