US Patent 10184244 Shear link including replaceable cover plates

The present invention relates to a shear link including replaceable cover plates. The shear link includes first and second combination plates combined with a structure, a main frame that includes both ends fixed to the first and second combination plates respectively and a hollow formed in a center to pass therethrough forward and backward, first and second cover plates positioned to come into contact with left and right sides of the main frame respectively to cover the hollow and including a plurality of through holes passing therethrough forward and backward, and a combination unit that separably combines the main frame with the first and second cover plates.