US Patent Issued to Assa Abloy Entrance Systems on April 15 for "Double door system and method with service check mode" (Swedish Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,154, issued on April 15, was assigned to Assa Abloy Entrance Systems AB (Landskrona, Sweden).

"Double door system and method with service check mode" was invented by Sven-Gunnar Soderqvist (Vallakra, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Double door system (1) comprising an understriking door leaf (2), an overstriking door leaf (3), a first door operator (11) adapted to move the understriking door leaf (2) between an open and a closed position, a second door operator (12) adapted to move the overstriking door leaf (3) between an open and a closed position, a mechanical brake arrangement (100) and an electric coordination system (90)."...