Patents Assigned to Etablissements Charles Coutier
  • Device for preventing access to ladders
    Patent number: 4664225
    Abstract: A panel (6) has a flap (9) for closing a person-passing opening (4') (e.g. leading into a ladder cage (4)) and is pivotally mounted to one of the risers of the ladder (1). A locking element (10) having a padlock-receiving hole (12) is pivotally mounted on the other riser (2) and is connected by a first link (14) to an intermediate lever (16) having a finger (23) for holding the panel (6) in its closed position, said intermediate lever being operable from inside the cage (24) by means of an operating lever (21).
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: May 12, 1987
    Assignee: Etablissements Charles Coutier
    Inventor: Charles Coutier