Patent Number: 053012143
Section: claims

1. An assembling apparatus for a fuel assembly comprising a plurality of grids of a latticed structure, aligned about a central axis of said apparatus and containing a plurality of grid cells into which fuel rods and control rod guide pipes are inserted, wherein said plurality of grid cells consist essentially of: a plurality of pipe-cells disposed in predetermined locations in said grids for inserting control rod pipes passing through said grids;  a plurality of fuel-rod-cells disposed in the remaining locations of said grids for holding a plurality of fuel rods passing through said grids;  said apparatus comprising, in the order from an entry-side end of said apparatus;  a plurality of pull-in rods provided with gripping means attached to the tip end thereof for gripping and loading said fuel rods in said fuel assembly, wherein:  (e) said pull-in loader is provided with:  (f) said pull-in loader comprising: 2. An apparatus for assembly a fuel assembly as claimed in claim 1, wherein said support frames are disposed on a top surface of a rotating base extending longitudinally in the fuel rod direction, wherein said rotating base rotates said top surface of said rotating base reversibly from a horizontal position to a vertical position. 3. An apparatus for assembling a fuel assembly as claimed in claim 1, wherein said pull-in loader further comprises a transfer base adapted to transfer along said extended base in said longitudinal direction.