The article introduces a new roller named Tru-Trac with its features, structure and working principles, which preferably resolves the problems existed in current-used belt conveyor rollers.

• 本文介绍了一种新型、译名为传确托辊的特点、结构及其工作原理。该装置能够较好地解决现用带式输送机托辊所存在的问题。