ES275171U - Lock for elevators (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Lift lock, of the type of which includes a hall door operated by the elevator car door, characterized in that it includes a trigger according to an elongated and weight-compensated metal sheet, which has on its underside a projection in which it is it locates a bearing by means of which it is fixed by means of an axle to said aisle door, having on its upper side two sheaves, displaced, both longitudinally and vertically, between which the spreader of the elevator which is moves longitudinally in its opening and closing; while frontally on its underside a contact and subsequently to this a roller perpendicular to the trigger by its external face, and because said trigger rests on its closure by a latch that is configured according to an elongated plate that presents respective contacts in correspondence with the of the trigger, which are closed by this and then a protruding flange or slip at the base of this roller; the aperture being produced when the spindle moves in this direction, which acts on the rear sheave making it swing the trigger on its bearing, disconnecting the contacts and causing the roller to ascend on the crimped end of the latch until it is placed on a rail by which it slides, while in the closing, marked by the reverse stroke of the spindle acting on the more advanced sheave, when the roller reaches the end of the rail the assembly falls mechanically blocking the roller in the latch and closing the contacts until a new action of the spit. (Machine-translation by Google Translate, not legally binding)