Machine belts; synchronous belts in the nature of timing belts; v-belts in the nature of power transmission belts for machines; drive belts, namely transmission belts not for land vehicles; nubbed belts in the nature of timing belts; double-sided belts in the nature of transmission belts for industrial machines; flat belts in the nature of belts for industrial machines; variator belts in the nature of timing belts; lifting belts as parts of machines; driving belts, other than for land vehicle...

Electrical and Electronic Amplitude and Frequency Control Units for Electrically Operated Vibrators, Feeders, Agitators, and the Like

VARIABLE SPEED DRIVES