Device for locking doors on hollow masts

摘要

Device for locking the doors of recesses arranged in hollow masts, with locking bolts engaging respectively behind the upper and the lower edge of these assembly and maintenance apertures, the locking bolts forming the ends, pressable in the direction of the inside of the door, of a clamping clip which is mounted so as to be adjustable by means of threaded bolts actuable from outside and passing through it and so as to maintain a hold in a spaced opening position by means of compression springs.