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Pat. 11286131 United States, Int. Cl.22 B66B 1/32, B66B 5/02, B66B 25/00, B66B 29/00, H02M 1/00, H02M 5/293, H02M 7/06, H02M 7/155, H02M 7/217. Energizing circuit of a magnetizing coil of an operational brake, a passenger conveyor, and a method for energizing the magnetizing coil of the operational brake of a passenger conveyor : Appl. N 15/642654 : Filed 06.07.2017 : Pub. 29.03.2022 : / Arto Nakari ; Assignee Kone Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11286131/en?oq=US11286131.html (дата обращения: ДД.ММ.ГГГГ).