Improvements in the construction of extensible rolling platforms. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of extensible rolling platforms, of the type that includes four laminar elements of contour in right angle and that include two arms of section in inverted u, by means of which said elements are telescopically coupled by introduction of the arms of two of those mentioned angled elements in the arms of the other two, forming a frame, provided with self-orienting wheels in the corners of the said elements, characterized essentially by the fact of providing said elements with plates corner plates that are arranged respectively fixed on the corners of said elements and comprising two fins that form a right angle in correspondence with that of the said corners and are directed upwards to facilitate the centering of the box of the apparatus or equivalent that is placed on the platform and in order to serve as stops of retention of said box, acting at the same time the said plates cant oneras as a reinforcement of the angular elements. (Machine-translation by Google Translate, not legally binding)