Patent ID: 8765326

Claim:
A joining device for a fuel cell stack that pressedly engages a pair of end plates disposed at upper and lower ends of a plurality of unit cells disposed one after another by a rope made up of a first rope and a second rope, the joining device comprising: a plurality of fastener assemblies disposed at both side portions of one end plate along a length direction thereof, wherein the fastener assemblies are connected to the first rope catching one side portion of the unit cells and to the second rope catching the other side portion of the unit cells, and supplying tension to the rope; and a plurality of hook units mounted at both side portions of the other end plate corresponding to each fastener assembly along the length direction so as to hook each rope, wherein each fastener assembly includes: a pair of engagement blocks disposed on the one end plate and being slidable along a width direction thereof; a plurality of wedge members engaged to each engagement block so as to connect the ropes catching both side portions of the unit cells through the engagement block, and pressing the ropes to the engagement block; and at least one lead screw engaged to the pair of engagement blocks so as to control a distance therebetween, and supplying the tension to the ropes.