ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,736, issued on Aug. 25, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Elevator safety device" was invented by Luis Marti Sanchez (Madrid).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator safety device comprises a housing attachable to an elevator car or to an elevator counterweight of an elevator system, the housing comprising a passage for allowing a guide member to pass through. A brake shoe is attached to the housing and is located on a first side of the guide member passing through the passage. A spring assembly is arranged on a second of side of the guide member and comprises at least one leaf spring, the spring assembly havi...