A device for actuating and locking the doors, 2004, industrial intended for transporting people.

摘要

Actuating and locking device for doors of industrial vehicles intended for public transport, comprising a main double-acting jack (7) having an opening chamber (8) and a closing chamber (9), a secondary jack (10) possessing a locking chamber (12) and an unlocking chamber (11), a first energy source (14), and a first distributor (13) controlling the supply of energy to the closing chamber (9) of the main jack (7) by means of a first supply circuit (18) during the control of the closing of the doors from the dashboard (3) and the supply of energy to the opening chamber (8) of the main jack (7) by means of a second supply circuit (19) during the control of the opening of the doors (1 or 2) from the dashboard (3), characterised in that, during the control of the opening of the doors (1 or 2) from the dashboard (3), the first distributor valve (13) also makes it possible to supply energy to the unlocking chamber (11) of the secondary jack (10) by means of a third supply circuit (20). IMAGE