[trivet diner & restaurant serving allentown and emmaus, pa trivet diner in allentown, pa. our pleasant family style atmosphere, consistent fine quality, and warm friendly service have made our restaurants area favorites. the next time you're ready to eat breakfast, lunch or dinner, no matter what time of day it is, stop by the trivet, where your stomach's desire is available 24 hours day! you'll be sure to make us your regular spot!]