INDEPENDENT STEEL GRAIN ELEVATOR. 



leys having a vertical adjustment of 8 inches. The elevator cases arc made of No. 12 steel up to 

 the liins, and of A-in. plates in the bins, and No. 14 steel above the bins. The cases are strength- 

 riu-il by angles at the corners. The elevator heads are made of No. 14 steel. At each receiving 

 i-lrv itor is a large elevator pit extending from the leg back to the center of the track. This pit 

 is constructed of beams and i' -in. plates and is covered with a grating of I } X J-in. bars spaced 

 ij in. apart. 



The elevator buckets are " Buffalo" buckets; those for the receiving elevators are 20 in. X 7 

 in. X 7 in.; for the shipping elevators two lines of 12 in. X 7 in. X 7 in. buckets; for the cleaning 

 elevators one line of 12 in. X 6 in. X 6 in. buckets; and for the screenings elevator one line of 

 8 in. X 5 in. X 5 in. buckets. The buckets in the receiving, shipping and cleaning elevators 

 are spaced 14 in. apart, while those in the screenings elevator are spaced 12 in. apart. 



The elevator belts in the receiving elevators are 22 in. wide and 6-ply, the shipping belts 

 are 26 in. wide and 6-ply; the cleaning belts are 14 in. wide and 6-ply, and the screenings belts 

 are 9 in. wide and 5-ply. The belting is made of 32 ounce duck and is first-class. 



Roof Framing Plan for Tanks. 



FIG. ii. FRAMING FOR ROOF OF CIRCULAR BINS, INDEPENDENT ELEVATOR. 



Spouts. The building is provided with a complete system of spouts. The general distrib- 

 uting spouts from the scales to the shipping spouts are double-jointed Mayo spouts. There are 

 three shipping spouts which are provided with telescoping bottom sections. All bin bottoms 

 are provided with a revolving spout with a cut-off gate operated with a rack and pinion, with 

 cords leading to within reaching distance of the floor. 



Conveyors. The conveyor belt leading from the working house over the bins is a 36 in. 

 4-ply conveyor belt, is carried on disc rolls consisting of 3 straight-faced 6-in. pulleys and 2 special 

 discs; the discs run loose on the shafts, which are iA-in. diameter and are spaced 5 ft. centers. 

 The return rolls are 5-in. straight-faced rolls spaced 15 ft. centers. At each point in the elevator 

 where grain is loaded onto the belt there are two pairs of special concentrating rolls. Movable 



