ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,520, issued on April 22, was assigned to MECHOSHADE SYSTEMS LLC (Long Island City, N.Y.).
"Friction slip ring for a drive mechanism" was invented by Stanley Mayer (Rego Park, N.Y.) and Stephen P. Hebeisen (Amawalk, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A window shade system may comprise a drive mechanism having a friction slip ring inside a brake hub, wherein the brake hub is configured to rotate with respect to the friction slip ring, in response to an at least partial rotation of the drive mechanism. The brake hub may be configured to overcome a break-away force between the drive hub and the friction slip ring. The brake hub may be co...