Patent ID: 6972387

Claim:
Maintained contact push-button for positioning on a flat support, comprising a fixed elongate barrel ( 20 ) and a movable actuating head ( 10 ) mounted movably on the barrel, the head being slidable along a principal axis (X) to assume an outer position and a pushed-in position, the barrel having an upper part to be positioned above the support and a lower part which can pass through an opening in the support, a padlocking accessory being associated with the button to lock the actuating head in the pushed-in position, characterized in that the padlocking accessory (C) comprises: a sleeve ( 30 ) which is fixed with respect to the barrel ( 20 ) and has an internal shape matching an upper part ( 21 ) of the barrel, a ring ( 40 ) having at least one aperture ( 45 ) for passage of a padlock on an upper edge ( 44 ), the ring being mounted on the outside of the sleeve so that the ring can move between a lower inactive position and an upper active position, by a movement which is limited by stop elements ( 33 , 47 ), in such a way that the head is left free in the lower position and the upper edge ( 44 ) of the ring rises above the head in the upper position.