ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,781, issued on Nov. 4, was assigned to KONE Corp. (Helsinki).
"Elevator brake arrangement" was invented by Henri Wenlin (Helsinki), Joni Lappalainen (Helsinki), Petri Alkula (Helsinki), Mikko Jussila (Helsinki), Andrej Burakov (Helsinki), Lasse Hurri (Helsinki) and Tarmo Torkkeli (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator brake arrangement includes at least a brake unit including a body, a brake plate assembly, a spring assembly, an electromagnet arrangement and a counter element, and also a rotating brake disc. The brake plate assembly includes at least two brake plates and a state detector that is arranged to monitor the o...