MODULAR CORNER UPLIFT ASSEMBLY

A joint system for use with a plurality of bows in an uplift of a tarpaulin system having a joint and a base insert with, a body component with a first base end and a second base end, a third coupling member extending from the first base end, the third coupling member adapted to releasably engage with a free end of one of the plurality of bows, a fourth coupling member fixed to the second base end, the fourth coupling member adapted to be securable to a component of the uplift, and a third support extending from the first base end proximate the third coupling member for engaging with the bow releasably secured with the third coupling member.