Locking device for a double ladder with hollow rungs

摘要

The subject of the present invention is a locking device for a double ladder with hollow rungs. This device consists of a rod 10 which is folded substantially in the form of a U and whose end branches 10b and 10c can be inserted into the rungs 4 of the two elements 1a and 1b of the ladder, means being provided to prevent these end branches from coming out of the rungs. <IMAGE>