ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,418, issued on April 21, was assigned to Kone Corp. (Helsinki).
"Arrangement, elevator and method" was invented by Aki Haikonen (Helsinki), Tapio Siironen (Helsinki), Seppo Valliovuo (Helsinki), Ville Myyrylainen (Helsinki) and Lasse Nyman (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arrangement for controlling a lock of an upmost landing door of an elevator, an elevator and a method. The arrangement comprises an actuator arranged to be activated in consequence of activation of a service limit device of the elevator, the actuator being connected to the lock of the upmost landing door, and said activation of the actuator arranged to o...