Protective defenses of lower rollers for machinery of public works of traction for caterpillars. (Machine-translation by Google Translate, not legally binding)

摘要

Protective lower roller protectors for other public traction machines characterized by comprising three types of fundamental elements, consisting respectively of cooperators, defensive supports, and lateral defenses said protective rollers and chains, all side assembly and easy coupling, and intended to prevent defects presenting in the aforementioned rollers and chains, to avoid breakage of the chassis joining screws and to support the passage of the machine works in unevenness. (Machine-translation by Google Translate, not legally binding)